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41
ChangeLog
41
ChangeLog
@@ -1,3 +1,44 @@
|
||||
2006-04-24 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* VERSION: Updated to rtems-4.6.6.
|
||||
|
||||
2006-04-24 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* aclocal/version.m4: Updated to rtems-4.6.6.
|
||||
|
||||
2005-10-06 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* VERSION: Updated to rtems-4.6.5.
|
||||
|
||||
2005-10-06 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* aclocal/version.m4: Updated to rtems-4.6.5.
|
||||
|
||||
2005-10-05 Jiri Gaisler <jiri@gaisler.com>
|
||||
Edvin Catovic <edvin@gaisler.com>
|
||||
Konrad Eisele <konrad@gaisler.com>
|
||||
|
||||
PR 827/bsps
|
||||
* aclocal/bsp-alias.m4, aclocal/check-bsps.m4: Portion of large update
|
||||
of SPARC BSPs. Includes addition of sis, leon2 and leon3 BSPs,
|
||||
deletion of leon BSP, addition of SMC91111 NIC driver and much more.
|
||||
|
||||
2005-09-01 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* VERSION: Updated to rtems-4.6.4.
|
||||
|
||||
2005-09-01 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* aclocal/version.m4: Updated to rtems-4.6.4.
|
||||
|
||||
2005-03-17 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* VERSION: Updated to rtems-4.6.3.
|
||||
|
||||
2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* aclocal/bsp-alias.m4: Add MVME2100 BSP.
|
||||
|
||||
2004-10-18 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* VERSION: Updated to rtems-4.6.2.
|
||||
|
||||
@@ -10,6 +10,7 @@ AC_DEFUN([_RTEMS_BSP_ALIAS],
|
||||
simcpu32) $2=sim68000 ;; # BSVC CPU32 variant
|
||||
c3xsim) $2=c4xsim ;; # TI C3x Simulator in gdb
|
||||
mcp750) $2=motorola_powerpc ;; # Motorola PPC board variant
|
||||
mvme2100) $2=motorola_powerpc ;; # Motorola PPC board variant
|
||||
mvme2307) $2=motorola_powerpc ;; # Motorola PPC board variant
|
||||
mtx603e) $2=motorola_powerpc ;; # Motorola PPC board variant
|
||||
mvme162lx) $2=mvme162 ;; # m68k - mvme162 board variant
|
||||
@@ -23,9 +24,9 @@ AC_DEFUN([_RTEMS_BSP_ALIAS],
|
||||
pc686) $2=pc386 ;; # i386 - PC with PentiumPro
|
||||
pck6) $2=pc386 ;; # i386 - PC with K6
|
||||
bare*) $2=bare ;; # EXP: bare-aliases
|
||||
erc32nfp) $2=erc32 ;; # erc32 without fpu
|
||||
leon1) $2=leon ;; # leon without fpu
|
||||
leon2) $2=leon ;; # leon with fpu
|
||||
sis) $2=erc32 ;; # ERC32 SIS simulator
|
||||
leon2) $2=leon2 ;; # leon with fpu
|
||||
leon3) $2=leon3 ;; # another leon variant
|
||||
simsh7032) $2=shsim ;; # SH7032 simulator
|
||||
simsh7045) $2=shsim ;; # SH7045 simulator
|
||||
*) $2=$1;;
|
||||
|
||||
@@ -21,8 +21,8 @@ AC_MSG_CHECKING([for bsps])
|
||||
mbx8xx) $1="[$]$1 mbx821_001 mbx860_002 mbx860_005b";;
|
||||
motorola_powerpc) $1="[$]$1 mvme2307 mcp750 mtx603e";;
|
||||
pc386) $1="[$]$1 pc386 pc386dx pc486 pc586 pc686 pck6";;
|
||||
erc32) $1="[$]$1 erc32 erc32nfp";;
|
||||
leon) $1="[$]$1 leon1 leon2";;
|
||||
erc32) $1="[$]$1 erc32 sis";;
|
||||
leon) $1="[$]$1 leon2 leon3";;
|
||||
sim68000) $1="[$]$1 sim68000 simcpu32";;
|
||||
shsim) $1="[$]$1 simsh7032 simsh7045";;
|
||||
*) $1="[$]$1 $file";;
|
||||
|
||||
@@ -1,2 +1,2 @@
|
||||
AC_DEFUN([RTEMS_VERSIONING],
|
||||
m4_define([_RTEMS_VERSION],[4.6.2]))
|
||||
m4_define([_RTEMS_VERSION],[4.6.6]))
|
||||
|
||||
@@ -1,3 +1,9 @@
|
||||
2006-04-24 Jiri Gaisler <jiri@gaisler.com>
|
||||
Edvin Catovic <edvin@gaisler.com>
|
||||
|
||||
PR bsps/972
|
||||
* shmdr/shm_driver.h: Add sparc lock/unlock values.
|
||||
|
||||
2003-08-11 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
* configure.ac: Use rtems-bugs@rtems.com as bug report email address.
|
||||
|
||||
@@ -1,3 +1,44 @@
|
||||
2006-04-24 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* configure.ac, console/console.c:
|
||||
|
||||
2005-11-08 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR832/bsps
|
||||
* startup/ldsegs.S: move CPU segment descriptor tables from .text to
|
||||
.data; the CPU modifies the descriptor tables and this could be a
|
||||
problem: a) if text segment is ever write-protected b) rtems-gdb-stub
|
||||
checksums the text segment against the file gdb is using. A checksum
|
||||
mismatch results because of the CPU touching the accessed bit...
|
||||
|
||||
2005-08-23 Karel Gardas <kgardas@objectsecurity.com>>
|
||||
|
||||
* timer/timer.c: Enhance to use either interupt-based timer
|
||||
functions on older CPUs or to use TSC-based timer functions on
|
||||
more recent (Pentium and above) CPUs. The decision is made in
|
||||
Timer_initialize function when it is called for the first time
|
||||
based on a result obtained from cpuid instruction during the BSP
|
||||
initialization phase. During the first call, there are also late
|
||||
bindings to the implementation functions initialized to
|
||||
appropriate values.
|
||||
|
||||
2005-09-29 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>
|
||||
|
||||
PR 649/filesystem
|
||||
* ide/idecfg.c: added configuration items for primary/secondary
|
||||
IDE interface
|
||||
* configure.ac: added configuration items for primary/secondary
|
||||
IDE interface
|
||||
|
||||
2005-09-01 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* clock/Makefile.am, include/Makefile.am: Install tod.h
|
||||
|
||||
2005-01-20 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
PR 743/bsps
|
||||
* clock/Makefile.am: Did not install tod.h.
|
||||
|
||||
2004-10-13 Eric Norum <norume@aps.anl.gov>
|
||||
|
||||
PR 688/bsps
|
||||
|
||||
@@ -16,6 +16,28 @@ RTEMS_CANONICALIZE_TOOLS
|
||||
|
||||
RTEMS_CHECK_NETWORKING
|
||||
|
||||
RTEMS_BSPOPTS_SET([USE_COM1_AS_CONSOLE],[*],[0])
|
||||
RTEMS_BSPOPTS_HELP([USE_COM1_AS_CONSOLE],
|
||||
[Determines, whether the console will be associated with the standard
|
||||
VGA display or with the COM1 serial port. Currently only the VGA
|
||||
display and COM1 support printk.])
|
||||
|
||||
RTEMS_BSPOPTS_SET([IDE_USE_PRIMARY_INTERFACE],[*],[1])
|
||||
RTEMS_BSPOPTS_HELP([IDE_USE_PRIMARY_INTERFACE],
|
||||
[Determines, whether RTEMS will try to use the primary IDE interface.
|
||||
Disable it, if:
|
||||
- you have no primary IDE interface
|
||||
- or you have no disk attached to this interface
|
||||
- or you do not want to access disks attached to this interface])
|
||||
|
||||
RTEMS_BSPOPTS_SET([IDE_USE_SECONDARY_INTERFACE],[*],[0])
|
||||
RTEMS_BSPOPTS_HELP([IDE_USE_SECONDARY_INTERFACE],
|
||||
[Determines, whether RTEMS will try to use the primary IDE interface.
|
||||
Enable it, if:
|
||||
- you have a secondary IDE interface
|
||||
- and you have at least one disk attached to this interface
|
||||
- and you do want to access disks attached to this interface])
|
||||
|
||||
## if this is an i386, does gas have good code16 support?
|
||||
RTEMS_I386_GAS_CODE16
|
||||
AM_CONDITIONAL(RTEMS_GAS_CODE16,[test "$RTEMS_GAS_CODE16" = "yes"])
|
||||
|
||||
@@ -61,10 +61,14 @@ void __assert (const char *file, int line, const char *msg);
|
||||
* to same serial device it does not work that great
|
||||
*/
|
||||
|
||||
#if (USE_COM1_AS_CONSOLE == 1)
|
||||
int BSPConsolePort = BSP_UART_COM1;
|
||||
int BSPPrintkPort = BSP_UART_COM1;
|
||||
#else
|
||||
int BSPConsolePort = BSP_CONSOLE_PORT_CONSOLE;
|
||||
int BSPPrintkPort = BSP_CONSOLE_PORT_CONSOLE;
|
||||
#endif
|
||||
|
||||
/* int BSPConsolePort = BSP_UART_COM2; */
|
||||
int BSPBaseBaud = 115200;
|
||||
|
||||
extern BSP_polling_getchar_function_type BSP_poll_char;
|
||||
|
||||
@@ -36,7 +36,8 @@ extern ide_ctrl_fns_t pc386_ide_ctrl_fns;
|
||||
|
||||
/* IDE controllers Table */
|
||||
ide_controller_bsp_table_t IDE_Controller_Table[] = {
|
||||
{"/dev/ide",
|
||||
#if IDE_USE_PRIMARY_INTERFACE
|
||||
{"/dev/ide0",
|
||||
IDE_STD, /* standard IDE controller */
|
||||
&pc386_ide_ctrl_fns,
|
||||
NULL, /* probe for IDE standard registers */
|
||||
@@ -45,6 +46,21 @@ ide_controller_bsp_table_t IDE_Controller_Table[] = {
|
||||
FALSE,0, /* not (yet) interrupt driven */
|
||||
NULL
|
||||
}
|
||||
#if IDE_USE_SECONDARY_INTERFACE
|
||||
, /* colon only neede when bith interfaces present */
|
||||
#endif
|
||||
#endif
|
||||
#if IDE_USE_SECONDARY_INTERFACE
|
||||
{"/dev/ide1",
|
||||
IDE_STD, /* standard IDE controller */
|
||||
&pc386_ide_ctrl_fns,
|
||||
NULL, /* probe for IDE standard registers */
|
||||
FALSE, /* not (yet) initialized */
|
||||
0x170, /* base I/O address for second IDE controller */
|
||||
FALSE,0, /* not (yet) interrupt driven */
|
||||
NULL
|
||||
}
|
||||
#endif
|
||||
};
|
||||
|
||||
/* Number of rows in IDE_Controller_Table */
|
||||
|
||||
@@ -9,11 +9,15 @@ if HAS_NETWORKING
|
||||
WD80X3 = wd80x3.h
|
||||
endif
|
||||
|
||||
include_HEADERS = bsp.h crt.h coverhd.h $(WD80X3) bspopts.h
|
||||
include_HEADERS = bsp.h crt.h coverhd.h tod.h $(WD80X3) bspopts.h
|
||||
|
||||
coverhd.h: $(top_srcdir)/../../shared/include/coverhd.h
|
||||
cp $< $@
|
||||
CLEANFILES = coverhd.h
|
||||
|
||||
tod.h: $(top_srcdir)/../../shared/tod.h
|
||||
cp $< $@
|
||||
|
||||
CLEANFILES = coverhd.h tod.h
|
||||
|
||||
$(PROJECT_INCLUDE):
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
@@ -187,6 +187,7 @@ SYM (_return_to_monitor):
|
||||
| GDT itself
|
||||
+--------------------------------------------------------------------------*/
|
||||
|
||||
BEGIN_DATA
|
||||
.p2align 4
|
||||
|
||||
PUBLIC (_Global_descriptor_table)
|
||||
@@ -216,7 +217,6 @@ SYM (gdtdesc):
|
||||
/*---------------------------------------------------------------------------+
|
||||
| IDT itself
|
||||
+---------------------------------------------------------------------------*/
|
||||
BEGIN_DATA
|
||||
.p2align 4
|
||||
|
||||
PUBLIC(Interrupt_descriptor_table)
|
||||
@@ -224,18 +224,17 @@ SYM(Interrupt_descriptor_table):
|
||||
.rept 256
|
||||
.word 0,0,0,0
|
||||
.endr
|
||||
END_DATA
|
||||
|
||||
/*---------------------------------------------------------------------------+
|
||||
| Descriptor of IDT
|
||||
+--------------------------------------------------------------------------*/
|
||||
BEGIN_CODE
|
||||
|
||||
.p2align 4
|
||||
SYM(idtdesc):
|
||||
.word (256*8 - 1)
|
||||
.long SYM (Interrupt_descriptor_table)
|
||||
|
||||
END_CODE
|
||||
END_DATA
|
||||
|
||||
.section .m_hdr
|
||||
.long 0x1BADB002
|
||||
|
||||
@@ -38,7 +38,6 @@
|
||||
| $Id$
|
||||
+--------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <bsp.h>
|
||||
@@ -51,7 +50,7 @@
|
||||
#define LEAST_VALID 1 /* Don't trust a value lower than this. */
|
||||
#define SLOW_DOWN_IO 0x80 /* io which does nothing */
|
||||
|
||||
#define TWO_MS (rtems_unsigned32)(2000) /* TWO_MS = 2000us (sic!) */
|
||||
#define TWO_MS (uint32_t)(2000) /* TWO_MS = 2000us (sic!) */
|
||||
|
||||
#define MSK_NULL_COUNT 0x40 /* bit counter available for reading */
|
||||
|
||||
@@ -59,27 +58,36 @@
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Global Variables
|
||||
+--------------------------------------------------------------------------*/
|
||||
volatile rtems_unsigned32 Ttimer_val;
|
||||
volatile uint32_t Ttimer_val;
|
||||
rtems_boolean Timer_driver_Find_average_overhead = TRUE;
|
||||
volatile unsigned int fastLoop1ms, slowLoop1ms;
|
||||
void (*Timer_initialize_function)(void) = 0;
|
||||
uint32_t (*Read_timer_function)(void) = 0;
|
||||
void (*Timer_exit_function)(void) = 0;
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| External Prototypes
|
||||
+--------------------------------------------------------------------------*/
|
||||
extern void timerisr(void);
|
||||
/* timer (int 08h) Interrupt Service Routine (defined in 'timerisr.s') */
|
||||
extern int x86_capability;
|
||||
|
||||
/*
|
||||
* forward declarations
|
||||
*/
|
||||
|
||||
void Timer_exit();
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Pentium optimized timer handling.
|
||||
+--------------------------------------------------------------------------*/
|
||||
#if defined(pentium)
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: rdtsc
|
||||
| Description: Read the value of PENTIUM on-chip cycle counter.
|
||||
| Global Variables: None.
|
||||
| Arguments: None.
|
||||
| Returns: Value of PENTIUM on-chip cycle counter.
|
||||
| Returns: Value of PENTIUM on-chip cycle counter.
|
||||
+--------------------------------------------------------------------------*/
|
||||
static inline unsigned long long
|
||||
rdtsc(void)
|
||||
@@ -90,30 +98,28 @@ rdtsc(void)
|
||||
return result;
|
||||
} /* rdtsc */
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Timer_exit
|
||||
| Description: Timer cleanup routine at RTEMS exit. NOTE: This routine is
|
||||
| not really necessary, since there will be a reset at exit.
|
||||
| Global Variables: None.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Timer_exit(void)
|
||||
tsc_timer_exit(void)
|
||||
{
|
||||
} /* Timer_exit */
|
||||
|
||||
} /* tsc_timer_exit */
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Timer_initialize
|
||||
| Description: Timer initialization routine.
|
||||
| Global Variables: Ttimer_val.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Timer_initialize(void)
|
||||
tsc_timer_initialize(void)
|
||||
{
|
||||
static rtems_boolean First = TRUE;
|
||||
|
||||
@@ -124,22 +130,21 @@ Timer_initialize(void)
|
||||
atexit(Timer_exit); /* Try not to hose the system at exit. */
|
||||
}
|
||||
Ttimer_val = rdtsc(); /* read starting time */
|
||||
} /* Timer_initialize */
|
||||
|
||||
} /* tsc_timer_initialize */
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Read_timer
|
||||
| Description: Read hardware timer value.
|
||||
| Global Variables: Ttimer_val, Timer_driver_Find_average_overhead.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
rtems_unsigned32
|
||||
Read_timer(void)
|
||||
uint32_t
|
||||
tsc_read_timer(void)
|
||||
{
|
||||
register rtems_unsigned32 total;
|
||||
register uint32_t total;
|
||||
|
||||
total = (rtems_unsigned32)(rdtsc() - Ttimer_val);
|
||||
total = (uint32_t)(rdtsc() - Ttimer_val);
|
||||
|
||||
if (Timer_driver_Find_average_overhead)
|
||||
return total;
|
||||
@@ -147,23 +152,20 @@ Read_timer(void)
|
||||
return 0; /* below timer resolution */
|
||||
else
|
||||
return (total - AVG_OVERHEAD);
|
||||
} /* Read_timer */
|
||||
|
||||
#else /* pentium */
|
||||
} /* tsc_read_timer */
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Non-Pentium timer handling.
|
||||
+--------------------------------------------------------------------------*/
|
||||
#define US_PER_ISR 250 /* Number of micro-seconds per timer interruption */
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Timer_exit
|
||||
| Description: Timer cleanup routine at RTEMS exit. NOTE: This routine is
|
||||
| not really necessary, since there will be a reset at exit.
|
||||
| Global Variables: None.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
static void
|
||||
timerOff(const rtems_raw_irq_connect_data* used)
|
||||
@@ -178,8 +180,7 @@ timerOff(const rtems_raw_irq_connect_data* used)
|
||||
outport_byte(TIMER_CNTR0, 0);
|
||||
} /* Timer_exit */
|
||||
|
||||
|
||||
static void
|
||||
static void
|
||||
timerOn(const rtems_raw_irq_connect_data* used)
|
||||
{
|
||||
/* load timer for US_PER_ISR microsecond period */
|
||||
@@ -192,10 +193,11 @@ timerOn(const rtems_raw_irq_connect_data* used)
|
||||
BSP_irq_enable_at_i8259s(used->idtIndex - BSP_IRQ_VECTOR_BASE);
|
||||
}
|
||||
|
||||
static int
|
||||
static int
|
||||
timerIsOn(const rtems_raw_irq_connect_data *used)
|
||||
{
|
||||
return BSP_irq_enabled_at_i8259s(used->idtIndex - BSP_IRQ_VECTOR_BASE);}
|
||||
return BSP_irq_enabled_at_i8259s(used->idtIndex - BSP_IRQ_VECTOR_BASE);
|
||||
}
|
||||
|
||||
static rtems_raw_irq_connect_data timer_raw_irq_data = {
|
||||
BSP_PERIODIC_TIMER + BSP_IRQ_VECTOR_BASE,
|
||||
@@ -211,10 +213,10 @@ static rtems_raw_irq_connect_data timer_raw_irq_data = {
|
||||
| not really necessary, since there will be a reset at exit.
|
||||
| Global Variables: None.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Timer_exit(void)
|
||||
i386_timer_exit(void)
|
||||
{
|
||||
i386_delete_idt_entry (&timer_raw_irq_data);
|
||||
} /* Timer_exit */
|
||||
@@ -224,10 +226,10 @@ Timer_exit(void)
|
||||
| Description: Timer initialization routine.
|
||||
| Global Variables: Ttimer_val.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Timer_initialize(void)
|
||||
i386_timer_initialize(void)
|
||||
{
|
||||
static rtems_boolean First = TRUE;
|
||||
|
||||
@@ -248,19 +250,18 @@ Timer_initialize(void)
|
||||
Ttimer_val = 0;
|
||||
} /* Timer_initialize */
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Read_timer
|
||||
| Description: Read hardware timer value.
|
||||
| Global Variables: Ttimer_val, Timer_driver_Find_average_overhead.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
rtems_unsigned32
|
||||
Read_timer(void)
|
||||
uint32_t
|
||||
i386_read_timer(void)
|
||||
{
|
||||
register rtems_unsigned32 total, clicks;
|
||||
register rtems_unsigned8 lsb, msb;
|
||||
register uint32_t total, clicks;
|
||||
register uint8_t lsb, msb;
|
||||
|
||||
outport_byte(TIMER_MODE, TIMER_SEL0|TIMER_LATCH);
|
||||
inport_byte(TIMER_CNTR0, lsb);
|
||||
@@ -276,28 +277,68 @@ Read_timer(void)
|
||||
return (total - AVG_OVERHEAD);
|
||||
}
|
||||
|
||||
#endif /* pentium */
|
||||
/*
|
||||
* General timer functions using either TSC-based implementation
|
||||
* or interrupt-based implementation
|
||||
*/
|
||||
|
||||
void
|
||||
Timer_initialize(void)
|
||||
{
|
||||
static rtems_boolean First = TRUE;
|
||||
|
||||
if (First) {
|
||||
if (x86_capability & (1 << 4) ) {
|
||||
#if defined(DEBUG)
|
||||
printk("TSC: timer initialization\n");
|
||||
#endif
|
||||
Timer_initialize_function = &tsc_timer_initialize;
|
||||
Read_timer_function = &tsc_read_timer;
|
||||
Timer_exit_function = &tsc_timer_exit;
|
||||
}
|
||||
else {
|
||||
#if defined(DEBUG)
|
||||
printk("ISR: timer initialization\n");
|
||||
#endif
|
||||
Timer_initialize_function = &i386_timer_initialize;
|
||||
Read_timer_function = &i386_read_timer;
|
||||
Timer_exit_function = &i386_timer_exit;
|
||||
}
|
||||
First = FALSE;
|
||||
}
|
||||
(*Timer_initialize_function)();
|
||||
}
|
||||
|
||||
uint32_t
|
||||
Read_timer()
|
||||
{
|
||||
return (*Read_timer_function)();
|
||||
}
|
||||
|
||||
void
|
||||
Timer_exit()
|
||||
{
|
||||
return (*Timer_exit_function)();
|
||||
}
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Empty_function
|
||||
| Description: Empty function used in time tests.
|
||||
| Global Variables: None.
|
||||
| Arguments: None.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
rtems_status_code Empty_function(void)
|
||||
{
|
||||
return RTEMS_SUCCESSFUL;
|
||||
} /* Empty function */
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function: Set_find_average_overhead
|
||||
| Description: Set internal Timer_driver_Find_average_overhead flag value.
|
||||
| Global Variables: Timer_driver_Find_average_overhead.
|
||||
| Arguments: find_flag - new value of the flag.
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Set_find_average_overhead(rtems_boolean find_flag)
|
||||
@@ -319,11 +360,10 @@ void loadTimerValue( unsigned short loadedValue )
|
||||
outport_byte(TIMER_CNTR0, (loadedValue >> 8) & 0xff);
|
||||
}
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Description: Reads the current value of the timer, and converts the
|
||||
| number of ticks to micro-seconds.
|
||||
| Returns: number of clock bits elapsed since last load.
|
||||
| Description: Reads the current value of the timer, and converts the
|
||||
| number of ticks to micro-seconds.
|
||||
| Returns: number of clock bits elapsed since last load.
|
||||
+--------------------------------------------------------------------------*/
|
||||
unsigned int readTimer0()
|
||||
{
|
||||
@@ -338,7 +378,7 @@ unsigned int readTimer0()
|
||||
count = ( msb << 8 ) | lsb ;
|
||||
if (status & RB_OUTPUT )
|
||||
count += lastLoadedValue;
|
||||
|
||||
|
||||
return (2*lastLoadedValue - count);
|
||||
}
|
||||
|
||||
@@ -372,19 +412,19 @@ Calibrate_loop_1ms(void)
|
||||
unsigned int targetClockBits, currentClockBits;
|
||||
unsigned int slowLoopGranularity, fastLoopGranularity;
|
||||
rtems_interrupt_level level;
|
||||
|
||||
|
||||
#ifdef DEBUG_CALIBRATE
|
||||
printk( "Calibrate_loop_1ms is starting, please wait ( but not too loooong. )\n" );
|
||||
#endif
|
||||
#endif
|
||||
targetClockBits = US_TO_TICK(1000);
|
||||
|
||||
|
||||
rtems_interrupt_disable(level);
|
||||
/*
|
||||
* Fill up the cache to get a correct offset
|
||||
*/
|
||||
Timer0Reset();
|
||||
readTimer0();
|
||||
/*
|
||||
/*
|
||||
* Compute the minimal offset to apply due to read counter register.
|
||||
*/
|
||||
offset = 0xffffffff;
|
||||
@@ -437,24 +477,24 @@ Calibrate_loop_1ms(void)
|
||||
while (1);
|
||||
}
|
||||
slowLoopGranularity = (res - offset - emptyCall)/ 10;
|
||||
|
||||
|
||||
if (slowLoopGranularity == 0) {
|
||||
printk("Problem #3 in Calibrate_loop_1ms in file libbsp/i386/pc386/timer/timer.c\n");
|
||||
while (1);
|
||||
}
|
||||
|
||||
targetClockBits += offset;
|
||||
#ifdef DEBUG_CALIBRATE
|
||||
#ifdef DEBUG_CALIBRATE
|
||||
printk("offset = %u, emptyCall = %u, targetClockBits = %u\n",
|
||||
offset, emptyCall, targetClockBits);
|
||||
printk("slowLoopGranularity = %u fastLoopGranularity = %u\n",
|
||||
slowLoopGranularity, fastLoopGranularity);
|
||||
#endif
|
||||
#endif
|
||||
slowLoop1ms = (targetClockBits - emptyCall) / slowLoopGranularity;
|
||||
if (slowLoop1ms != 0) {
|
||||
fastLoop1ms = targetClockBits % slowLoopGranularity;
|
||||
if (fastLoop1ms > emptyCall) fastLoop1ms -= emptyCall;
|
||||
}
|
||||
}
|
||||
else
|
||||
fastLoop1ms = targetClockBits - emptyCall / fastLoopGranularity;
|
||||
|
||||
@@ -462,7 +502,7 @@ Calibrate_loop_1ms(void)
|
||||
/*
|
||||
* calibrate slow loop
|
||||
*/
|
||||
|
||||
|
||||
while(1)
|
||||
{
|
||||
int previousSign = 0; /* 0 = unset, 1 = incrementing, 2 = decrementing */
|
||||
@@ -497,7 +537,7 @@ Calibrate_loop_1ms(void)
|
||||
/*
|
||||
* calibrate fast loop
|
||||
*/
|
||||
|
||||
|
||||
if (fastLoopGranularity != 0 ) {
|
||||
while(1) {
|
||||
int previousSign = 0; /* 0 = unset, 1 = incrementing, 2 = decrementing */
|
||||
@@ -525,11 +565,11 @@ Calibrate_loop_1ms(void)
|
||||
}
|
||||
}
|
||||
}
|
||||
#ifdef DEBUG_CALIBRATE
|
||||
#ifdef DEBUG_CALIBRATE
|
||||
printk("slowLoop1ms = %u, fastLoop1ms = %u\n", slowLoop1ms, fastLoop1ms);
|
||||
#endif
|
||||
#endif
|
||||
rtems_interrupt_enable(level);
|
||||
|
||||
|
||||
}
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
@@ -537,7 +577,7 @@ Calibrate_loop_1ms(void)
|
||||
| Description: loop which waits at least timeToWait ms
|
||||
| Global Variables: loop1ms
|
||||
| Arguments: timeToWait
|
||||
| Returns: Nothing.
|
||||
| Returns: Nothing.
|
||||
+--------------------------------------------------------------------------*/
|
||||
void
|
||||
Wait_X_ms( unsigned int timeToWait){
|
||||
@@ -550,9 +590,3 @@ Wait_X_ms( unsigned int timeToWait){
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -1,4 +1,10 @@
|
||||
2003-11-01 Greg Menke <gregory.menke@gsfc.nasa.gov>
|
||||
2005-11-08 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR832/bsps
|
||||
* pci/pcibios.c: replace BSP_pciFindDevice implementation by pcibios
|
||||
call.
|
||||
|
||||
2004-09-27 Greg Menke <gregory.menke@gsfc.nasa.gov>
|
||||
|
||||
PR 608/bsps
|
||||
* pci/pcibios.c: BusCountPCI().
|
||||
|
||||
@@ -281,54 +281,17 @@ int
|
||||
BSP_pciFindDevice( unsigned short vendorid, unsigned short deviceid,
|
||||
int instance, int *pbus, int *pdev, int *pfun )
|
||||
{
|
||||
int sig;
|
||||
unsigned int d;
|
||||
unsigned short s;
|
||||
unsigned char bus,dev,fun,hd;
|
||||
int sig, rval;
|
||||
|
||||
for (bus=0; bus<BusCountPCI(); bus++)
|
||||
{
|
||||
for (dev=0; dev<PCI_MAX_DEVICES; dev++)
|
||||
{
|
||||
sig = PCIB_DEVSIG_MAKE(bus,dev,0);
|
||||
rval = pcib_find_by_devid(vendorid, deviceid, instance, &sig);
|
||||
|
||||
/* pci_read_config_byte(bus,dev,0, PCI_HEADER_TYPE, &hd); */
|
||||
pcib_conf_read8(sig, 0xe, &hd);
|
||||
|
||||
hd = (hd & PCI_MULTI_FUNCTION ? PCI_MAX_FUNCTIONS : 1);
|
||||
|
||||
for (fun=0; fun<hd; fun++) {
|
||||
/*
|
||||
* The last devfn id/slot is special; must skip it
|
||||
*/
|
||||
if( PCI_MAX_DEVICES-1 == dev && PCI_MAX_FUNCTIONS-1 == fun )
|
||||
break;
|
||||
|
||||
/*pci_read_config_dword(bus,dev,fun,PCI_VENDOR_ID,&d); */
|
||||
pcib_conf_read32(sig, 0, &d);
|
||||
if( d == -1 )
|
||||
continue;
|
||||
#ifdef PCI_DEBUG
|
||||
printk("BSP_pciFindDevice: found 0x%08x at %d/%d/%d\n",d,bus,dev,fun);
|
||||
#endif
|
||||
/* pci_read_config_word(bus,dev,fun,PCI_VENDOR_ID,&s); */
|
||||
pcib_conf_read16(sig, 0, &s);
|
||||
if (vendorid != s)
|
||||
continue;
|
||||
|
||||
/* pci_read_config_word(bus,dev,fun,PCI_DEVICE_ID,&s); */
|
||||
pcib_conf_read16(sig, 0x2, &s);
|
||||
if (deviceid == s) {
|
||||
if (instance--) continue;
|
||||
*pbus=bus;
|
||||
*pdev=dev;
|
||||
*pfun=fun;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
if ( PCIB_ERR_SUCCESS == rval ) {
|
||||
*pbus = PCIB_DEVSIG_BUS(sig);
|
||||
*pdev = PCIB_DEVSIG_DEV(sig);
|
||||
*pfun = PCIB_DEVSIG_FUNC(sig);
|
||||
}
|
||||
return -1;
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -1,3 +1,11 @@
|
||||
2006-03-07 Aaron Frye <aaron@frye.com>
|
||||
|
||||
PR 719/bsps
|
||||
* m68kpretaskinghook.c: The optimizer on gcc 3.4.2 assumes that the
|
||||
address of a variable cannot be 0, so it optimizes out any such
|
||||
checks. this breaks the shared m68k bsp_pretasking_hook() which uses
|
||||
such a check to determine heap size during runtime.
|
||||
|
||||
2004-03-05 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
PR 505/bsps
|
||||
|
||||
@@ -36,20 +36,21 @@ extern rtems_configuration_table BSP_Configuration;
|
||||
|
||||
extern void *_RamBase;
|
||||
extern void *_WorkspaceBase;
|
||||
extern void *_HeapSize;
|
||||
extern volatile void *_HeapSize;
|
||||
|
||||
|
||||
unsigned long _M68k_Ramsize;
|
||||
|
||||
void bsp_pretasking_hook(void)
|
||||
{
|
||||
void *heapStart;
|
||||
unsigned long heapSize = (unsigned long)&_HeapSize;
|
||||
unsigned long ramSpace;
|
||||
void *heapStart;
|
||||
volatile unsigned long heapSize = (volatile unsigned long)&_HeapSize;
|
||||
unsigned long ramSpace;
|
||||
|
||||
heapStart = (void *)
|
||||
((unsigned long)&_WorkspaceBase + BSP_Configuration.work_space_size);
|
||||
ramSpace = (unsigned long) &_RamBase + _M68k_Ramsize - (unsigned long) heapStart;
|
||||
ramSpace = (unsigned long) &_RamBase + _M68k_Ramsize -
|
||||
(unsigned long) heapStart;
|
||||
|
||||
if (heapSize == 0)
|
||||
heapSize = ramSpace;
|
||||
|
||||
@@ -1,3 +1,8 @@
|
||||
2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* configure.ac: Add TOD support in shared as part of adding MVME2100
|
||||
BSP.
|
||||
|
||||
2003-08-11 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
* configure.ac: Use rtems-bugs@rtems.com as bug report email address.
|
||||
|
||||
@@ -33,6 +33,7 @@ shared/pci/Makefile
|
||||
shared/residual/Makefile
|
||||
shared/start/Makefile
|
||||
shared/startup/Makefile
|
||||
shared/tod/Makefile
|
||||
shared/vectors/Makefile
|
||||
shared/vme/Makefile])
|
||||
AC_OUTPUT
|
||||
|
||||
@@ -1,3 +1,18 @@
|
||||
2005-11-07 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 834/bsps
|
||||
* vectors/vectors.S: reload stack pointer/R1 from exception frame
|
||||
instead of adding static offset.
|
||||
|
||||
2005-10-06 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 833/bsps
|
||||
* irq/irq_asm.S: Currently, all (new exception) BSPs explicitely enable
|
||||
the FPU across the user ISR but DONT save/restore the FPU context.
|
||||
Any use of the FPU fron the user handler (e.g., due to GCC
|
||||
optimizations) result in corruption. The fix results in an exception
|
||||
in such cases (user ISR must explicitely save/enable/restore FPU).
|
||||
|
||||
2003-12-19 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
PR 545/bsps
|
||||
|
||||
@@ -12,6 +12,8 @@
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2003/7:
|
||||
* - store isr nesting level in _ISR_Nest_level rather than
|
||||
* SPRG0 - RTEMS relies on that variable.
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2005/4:
|
||||
* - DONT enable FP across user USR since fpregs are never saved!!
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
@@ -88,14 +90,8 @@ SYM (shared_raw_irq_code_entry):
|
||||
/*
|
||||
* Enable data and instruction address translation, exception recovery
|
||||
*
|
||||
* also, on CPUs with FP, enable FP so that FP context can be
|
||||
* saved and restored (using FP instructions)
|
||||
*/
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR
|
||||
#else
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR | MSR_FP
|
||||
#endif
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
@@ -298,6 +294,27 @@ nested:
|
||||
rfi
|
||||
|
||||
switch:
|
||||
#if ( PPC_HAS_FPU != 0 )
|
||||
#if ! defined( CPU_USE_DEFERRED_FP_SWITCH )
|
||||
#error missing include file???
|
||||
#endif
|
||||
mfmsr r4
|
||||
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
|
||||
/* if the executing thread has FP enabled propagate
|
||||
* this now so _Thread_Dispatch can save/restore the FPREGS
|
||||
* NOTE: it is *crucial* to disable the FPU across the
|
||||
* user ISR [independent of using the 'deferred'
|
||||
* strategy or not]. We don't save FP regs across
|
||||
* the user ISR and hence we prefer an exception to
|
||||
* be raised rather than experiencing corruption.
|
||||
*/
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
rlwimi r4, r3, 0, 18, 18 /* MSR_FP */
|
||||
#else
|
||||
ori r4, r4, MSR_FP
|
||||
#endif
|
||||
mtmsr r4
|
||||
#endif
|
||||
bl SYM (_Thread_Dispatch)
|
||||
|
||||
easy_exit:
|
||||
|
||||
@@ -137,6 +137,10 @@ SYM (push_normalized_frame):
|
||||
mtsrr0 r3
|
||||
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
addi r1,r1, EXCEPTION_FRAME_END
|
||||
/* DONT add back the frame size but reload the value
|
||||
* stored in the frame -- maybe the exception handler
|
||||
* changed it with good reason (e.g., gdb pushed a dummy frame)
|
||||
*/
|
||||
lwz r1, GPR1_OFFSET(r1)
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
@@ -1,3 +1,9 @@
|
||||
2004-10-02 Ralf Corsepius <ralf_corsepius@rtems.org>
|
||||
|
||||
PR 697/bsps
|
||||
* flashentry/flashentry.S: Fix broken comments
|
||||
(Patch by Thomas.Doerfler@imd-systems.de)
|
||||
|
||||
2003-12-16 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
PR 533/bsps
|
||||
|
||||
@@ -191,7 +191,7 @@ stack_top:
|
||||
lis r3,0x0100 /* size 16 MB = 0x01000000 */
|
||||
bl ramacc /* test memory accessibility */
|
||||
cmpi 0,0,r4,0 /* memory ok? else test smaller size */
|
||||
beq ramcfgok /* ok, we found configuration... +/
|
||||
beq ramcfgok /* ok, we found configuration... */
|
||||
|
||||
lis r2,0x0000 /* disable BR6, config not ok */
|
||||
mtdcr br6,r2 /* write to DCR BR6*/
|
||||
@@ -263,7 +263,7 @@ ramcfgt18:
|
||||
lis r3,0x0080 /* size 8 MB = 0x00800000 */
|
||||
bl ramacc /* test memory accessibility */
|
||||
cmpi 0,0,r4,0 /* memory ok? else test smaller size */
|
||||
beq ramcfgok /* ok, we found configuration... +/
|
||||
beq ramcfgok /* ok, we found configuration... */
|
||||
|
||||
lis r2,0x0000 /* disable BR6, config not ok */
|
||||
mtdcr br6,r2 /* write to DCR BR6*/
|
||||
@@ -333,7 +333,7 @@ ramcfgt14:
|
||||
lis r3,0x0040 /* size 4 MB = 0x00400000 */
|
||||
bl ramacc /* test memory accessibility */
|
||||
cmpi 0,0,r4,0 /* memory ok? else test smaller size */
|
||||
beq ramcfgok /* ok, we found configuration... +/
|
||||
beq ramcfgok /* ok, we found configuration... */
|
||||
|
||||
lis r2,0x0000 /* disable BR6, config not ok */
|
||||
mtdcr br6,r2 /* write to DCR BR6*/
|
||||
|
||||
@@ -1,3 +1,29 @@
|
||||
2005-11-07 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 834/bsps
|
||||
* vectors/vectors.S: reload stack pointer/R1 from exception frame
|
||||
instead of adding static offset.
|
||||
|
||||
2005-10-06 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 833/bsps
|
||||
* irq/irq_asm.S: Currently, all (new exception) BSPs explicitely enable
|
||||
the FPU across the user ISR but DONT save/restore the FPU context.
|
||||
Any use of the FPU fron the user handler (e.g., due to GCC
|
||||
optimizations) result in corruption. The fix results in an exception
|
||||
in such cases (user ISR must explicitely save/enable/restore FPU).
|
||||
|
||||
2005-09-12 Thomas Doerfler <Thomas.Doerfler@imd-systems.de>
|
||||
|
||||
PR 527/bsps
|
||||
PR 822/bsps
|
||||
* console/console.c, startup/bspstart.c, startup/imbx8xx.c,
|
||||
startup/mmutlbtab.c, startup/start.S, vectors/vectors_init.c:
|
||||
Currently the MBX8xx BSP does not boot, because some logical errors
|
||||
are in the startup code. Additionally, the mpc8xx shared clock driver
|
||||
does not support the clocking scheme of some of the board variants,
|
||||
which are clocked from a 32768Hz (!) external crystal.
|
||||
|
||||
2003-12-29 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
* startup/Makefile.am: start.S instead of start.s.
|
||||
|
||||
@@ -542,6 +542,13 @@ serial_init()
|
||||
unsigned int dpaddr, memaddr;
|
||||
bd_t *bd;
|
||||
|
||||
#if NVRAM_CONFIGURE == 1
|
||||
if ( ((nvram->console_mode & 0x06) != 0x04 ) ||
|
||||
((nvram->console_mode & 0x30) != 0x20 )) {
|
||||
/*
|
||||
* FIXME: refine this condition...
|
||||
*/
|
||||
#endif
|
||||
bd = eppcbugInfo;
|
||||
|
||||
cp = cpmp;
|
||||
@@ -647,7 +654,26 @@ serial_init()
|
||||
/* Enable transmitter/receiver.
|
||||
*/
|
||||
sp->smc_smcmr |= SMCMR_REN | SMCMR_TEN;
|
||||
#if NVRAM_CONFIGURE == 1
|
||||
}
|
||||
else {
|
||||
const char bootmsg_text[]= "using EPPC bug for console I/O\n";
|
||||
_EPPCBug_pollWrite((nvram->console_printk_port & 0x70) >> 4,
|
||||
bootmsg_text,
|
||||
sizeof(bootmsg_text)-1);
|
||||
}
|
||||
#endif
|
||||
#if NVRAM_CONFIGURE == 1
|
||||
if ((nvram->console_mode & 0x30) == 0x20 ) {
|
||||
BSP_output_char = _BSP_output_char;
|
||||
}
|
||||
else {
|
||||
BSP_output_char = serial_putchar;
|
||||
}
|
||||
#else
|
||||
|
||||
BSP_output_char = serial_putchar;
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
|
||||
@@ -12,6 +12,8 @@
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2003/7:
|
||||
* - store isr nesting level in _ISR_Nest_level rather than
|
||||
* SPRG0 - RTEMS relies on that variable.
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2005/4:
|
||||
* - DONT enable FP across user ISR since fpregs are never saved!!
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
@@ -127,11 +129,7 @@ SYM (shared_raw_irq_code_entry):
|
||||
* also, on CPUs with FP, enable FP so that FP context can be
|
||||
* saved and restored (using FP instructions)
|
||||
*/
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR
|
||||
#else
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR | MSR_FP
|
||||
#endif
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
@@ -338,6 +336,27 @@ nested:
|
||||
rfi
|
||||
|
||||
switch:
|
||||
#if ( PPC_HAS_FPU != 0 )
|
||||
#if ! defined( CPU_USE_DEFERRED_FP_SWITCH )
|
||||
#error missing include file???
|
||||
#endif
|
||||
mfmsr r4
|
||||
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
|
||||
/* if the executing thread has FP enabled propagate
|
||||
* this now so _Thread_Dispatch can save/restore the FPREGS
|
||||
* NOTE: it is *crucial* to disable the FPU across the
|
||||
* user ISR [independent of using the 'deferred'
|
||||
* strategy or not]. We don't save FP regs across
|
||||
* the user ISR and hence we prefer an exception to
|
||||
* be raised rather than experiencing corruption.
|
||||
*/
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
rlwimi r4, r3, 0, 18, 18 /* MSR_FP */
|
||||
#else
|
||||
ori r4, r4, MSR_FP
|
||||
#endif
|
||||
mtmsr r4
|
||||
#endif
|
||||
bl SYM (_Thread_Dispatch)
|
||||
|
||||
easy_exit:
|
||||
|
||||
@@ -148,7 +148,7 @@ void bsp_start(void)
|
||||
myCpuRevision = get_ppc_cpu_revision();
|
||||
|
||||
mmu_init();
|
||||
|
||||
|
||||
/*
|
||||
* Enable instruction and data caches. Do not force writethrough mode.
|
||||
*/
|
||||
@@ -201,7 +201,22 @@ void bsp_start(void)
|
||||
if( Cpu_table.interrupt_stack_size < 4 * 1024 )
|
||||
Cpu_table.interrupt_stack_size = 4 * 1024;
|
||||
|
||||
Cpu_table.clicks_per_usec = 1; /* for 4MHz extclk */
|
||||
#if ( defined(mbx821_001b) ||\
|
||||
defined(mbx821_002b) ||\
|
||||
defined(mbx821_003b) ||\
|
||||
defined(mbx821_004b) ||\
|
||||
defined(mbx821_005b) ||\
|
||||
defined(mbx821_006b) ||\
|
||||
defined(mbx860_001b) ||\
|
||||
defined(mbx860_002b) ||\
|
||||
defined(mbx860_003b) ||\
|
||||
defined(mbx860_004b) ||\
|
||||
defined(mbx860_005b) ||\
|
||||
defined(mbx860_006b))
|
||||
Cpu_table.clicks_per_usec = 0; /* for 32768 Hz oscclk */
|
||||
#else
|
||||
Cpu_table.clicks_per_usec = 1; /* for 4MHz oscclk */
|
||||
#endif
|
||||
Cpu_table.serial_per_sec = 10000000;
|
||||
Cpu_table.serial_external_clock = 1;
|
||||
Cpu_table.serial_xon_xoff = 0;
|
||||
|
||||
@@ -271,6 +271,7 @@ void _InitMBX8xx (void)
|
||||
m8xx.sccrk = M8xx_UNLOCK_KEY; /* unlock SCCR */
|
||||
m8xx.sccr = 0x02800000; /* for MBX860/MBX821 */
|
||||
|
||||
#if 0 /* IMD hack: do not init PLL after EPPCbug load */
|
||||
/* Initialize the PLL, Low-Power, and Reset Control Register (PLPRCR) */
|
||||
/* - set the clock speed and set normal power mode */
|
||||
m8xx.plprck = M8xx_UNLOCK_KEY; /* unlock PLPRCR */
|
||||
@@ -300,6 +301,7 @@ void _InitMBX8xx (void)
|
||||
m8xx.plprcr = 0x4C400000;
|
||||
#else
|
||||
#error "MBX board not defined"
|
||||
#endif
|
||||
#endif
|
||||
/* Unlock the timebase and decrementer registers. */
|
||||
m8xx.tbk = M8xx_UNLOCK_KEY;
|
||||
@@ -316,6 +318,7 @@ void _InitMBX8xx (void)
|
||||
_mtspr( M8xx_TBU_WR, r1 );
|
||||
_mtspr( M8xx_TBL_WR, r1 );
|
||||
|
||||
#if 0 /* IMD hack: do not init UPMs after EPPCbug load */
|
||||
/*
|
||||
* Memory Controller Initialization
|
||||
*/
|
||||
@@ -584,6 +587,7 @@ void _InitMBX8xx (void)
|
||||
#endif
|
||||
m8xx.memc[7]._br = M8xx_BR_BA(0xFC000000) | M8xx_BR_AT(0) | M8xx_BR_PS8 |
|
||||
M8xx_BR_MS_GPCM | M8xx_MEMC_BR_V;
|
||||
#endif /* IMD hack */
|
||||
/*
|
||||
* PCMCIA initialization
|
||||
*/
|
||||
|
||||
@@ -31,19 +31,8 @@
|
||||
* location is equal to its real address.
|
||||
*/
|
||||
MMU_TLB_table_t MMU_TLB_table[] = {
|
||||
#if ( defined(mbx860_001b) )
|
||||
/*
|
||||
* DRAM: CS1, Start address 0x00000000, 2M,
|
||||
* ASID=0x0, APG=0x0, not guarded memory, copyback data cache policy,
|
||||
* R/W,X for all, no ASID comparison, not cache-inhibited.
|
||||
* Last 512K block is cache-inhibited, but not guarded for use by EPPCBug.
|
||||
* EPN TWC RPN
|
||||
*/
|
||||
{ 0x00000200, 0x05, 0x000009FD }, /* DRAM - PS=512K */
|
||||
{ 0x00080200, 0x05, 0x000809FD }, /* DRAM - PS=512K */
|
||||
{ 0x00100200, 0x05, 0x001009FD }, /* DRAM - PS=512K */
|
||||
{ 0x00180200, 0x05, 0x001809FF }, /* DRAM - PS=512K, cache-inhibited */
|
||||
#elif ( defined(mbx860_002b) || \
|
||||
#if ( defined(mbx860_001b) || \
|
||||
defined(mbx860_002b) || \
|
||||
defined(mbx860_003b) || \
|
||||
defined(mbx821_001b) || \
|
||||
defined(mbx821_002b) || \
|
||||
|
||||
@@ -243,6 +243,46 @@ spin:
|
||||
*/
|
||||
#define LOADED_BY_EPPCBUG
|
||||
#define EARLY_CONSOLE
|
||||
/*
|
||||
* test function: blink orange led once
|
||||
*/
|
||||
#define LEDBLINK_DELAY (5*1000*1000)
|
||||
#define LEDPORT 0xFA100001
|
||||
#define LEDMASK 0xf0
|
||||
#define LEDON 0x00
|
||||
#define LEDOFF 0x08
|
||||
|
||||
PUBLIC_VAR(ledblink)
|
||||
SYM(ledblink):
|
||||
lis r3,LEDBLINK_DELAY>>16
|
||||
ledblink1:
|
||||
subi r3,r3,1
|
||||
cmpi 0,1,r3,0
|
||||
bne ledblink1
|
||||
/*
|
||||
* turn orange led off
|
||||
*/
|
||||
lis r3,LEDPORT@ha
|
||||
lbz r0,LEDPORT@l(r3)
|
||||
andi. r0,r0,LEDMASK
|
||||
ori r0,r0,LEDOFF
|
||||
stb r0,LEDPORT@l(r3)
|
||||
|
||||
lis r3,LEDBLINK_DELAY>>16
|
||||
ledblink2:
|
||||
subi r3,r3,1
|
||||
cmpi 0,1,r3,0
|
||||
bne ledblink2
|
||||
/*
|
||||
* turn orange led on
|
||||
*/
|
||||
lis r3,LEDPORT@ha
|
||||
lbz r0,LEDPORT@l(r3)
|
||||
andi. r0,r0,LEDMASK
|
||||
ori r0,r0,LEDON
|
||||
stb r0,LEDPORT@l(r3)
|
||||
|
||||
blr
|
||||
/*
|
||||
* Initialization code
|
||||
*/
|
||||
|
||||
@@ -144,6 +144,10 @@ SYM (push_normalized_frame):
|
||||
mtsrr0 r3
|
||||
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
addi r1,r1, EXCEPTION_FRAME_END
|
||||
/* DONT add back the frame size but reload the value
|
||||
* stored in the frame -- maybe the exception handler
|
||||
* changed it with good reason (e.g., gdb pushed a dummy frame)
|
||||
*/
|
||||
lwz r1, GPR1_OFFSET(r1)
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
@@ -115,6 +115,11 @@ void initialize_exceptions()
|
||||
if (!mpc8xx_vector_is_valid (i)) {
|
||||
continue;
|
||||
}
|
||||
#if 0 /* FIXME: refine this condition, leave Syscall for EPPCBug console */
|
||||
if (i == ASM_SYS_VECTOR) {
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
exception_table[i].exceptIndex = i;
|
||||
exception_table[i].hdl = exception_config.defaultRawEntry.hdl;
|
||||
exception_table[i].hdl.vector = i;
|
||||
|
||||
@@ -1,3 +1,19 @@
|
||||
2005-05-20 Ralf Corsepius <ralf_corsepius@rtems.org>
|
||||
|
||||
PR 717/bsps
|
||||
* bootloader/Makefile.am: Typo results in wrong flags being used.
|
||||
|
||||
2004-11-16 Richard Campbell <richard.campbell@OARcorp.com>
|
||||
|
||||
* README.MVME2100: Update to include DBAT0.
|
||||
* bsp_specs: Fix spacing.
|
||||
|
||||
2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* Makefile.am, configure.ac, bootloader/Makefile.am,
|
||||
include/Makefile.am, wrapup/Makefile.am: Add MVME2100 BSP.
|
||||
* README.MVME2100, tod/.cvsignore, tod/Makefile.am: New files.
|
||||
|
||||
2003-12-16 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
PR 533/bsps
|
||||
|
||||
@@ -7,12 +7,12 @@ ACLOCAL_AMFLAGS = -I ../../../../../../aclocal
|
||||
# wrapup is the one that actually builds and installs the library
|
||||
# from the individual .rel files built in other directories
|
||||
SUBDIRS = include clock console pci residual openpic irq vectors start \
|
||||
startup bootloader motorola @exceptions@ vme wrapup
|
||||
startup bootloader motorola @exceptions@ tod vme wrapup
|
||||
|
||||
include $(top_srcdir)/../../bsp.am
|
||||
|
||||
EXTRA_DIST = BOOTING README.MVME2300 README.OTHERBOARDS README.dec21140 \
|
||||
bsp_specs times.mcp750 times.mvme2307
|
||||
EXTRA_DIST = BOOTING README.MVME2100 README.MVME2300 README.OTHERBOARDS \
|
||||
README.dec21140 bsp_specs times.mcp750 times.mvme2307
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/subdirs.am
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
132
c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2100
Normal file
132
c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2100
Normal file
@@ -0,0 +1,132 @@
|
||||
#
|
||||
# $Id$
|
||||
#
|
||||
|
||||
The MVME2100 is a Motorola VMEbus board which is similar to the other
|
||||
Motorola PowerPC boards supported by this BSP. But it does not support
|
||||
the Motorola CPU Configuration Register. This makes it impossible to
|
||||
dynamically probe and determine that you are executing on this board
|
||||
variant. So this BSP variant must be explicitly built to only support
|
||||
the MVME2100. The complete list of differences found so far is:
|
||||
|
||||
* No CPU Configuration Register
|
||||
* one COM port
|
||||
* COM port is on PCI IRQ not ISA IRQ
|
||||
* limited on RAM (32 or 64 MB)
|
||||
* uses the EPIC interrupt controller on the MPC8240
|
||||
* does not have an ISA bus but has an ISA I/O address space
|
||||
* cannot set DBAT2 in bspstart like other variants because
|
||||
there are PCI/ISA Interrupt Acknowledge registers at this space
|
||||
This BSP may have left some PCI memory uncovered
|
||||
* PPCBug starts programs with vectors still in ROM
|
||||
|
||||
Supported Features:
|
||||
- Interrupt driven console using termios
|
||||
- Network device driver
|
||||
- Real-Time Clock driver
|
||||
- Clock Tick Device Driver
|
||||
|
||||
Things to address:
|
||||
- Does not return to monitor
|
||||
- Level 1 cache is disabled for now
|
||||
- Check on trying to read CPU Configuration Register for CHRP/Prep for PCI
|
||||
and report a failure if in the wrong mode. May be able to set the model
|
||||
but it may be hard to test if we break PPCBug.
|
||||
- Use NVRAM for network configuration information
|
||||
|
||||
BSP Features Not Implemented:
|
||||
- VMEbus mapped in but untested
|
||||
- OpenPIC features not required for BSP are not supported
|
||||
|
||||
Memory Map
|
||||
==========
|
||||
BAT Mapping
|
||||
|
||||
ffff ffff |------------------------------------| ----- ffff ffff
|
||||
| ROM/FLASH Bank 0 | |
|
||||
fff0 0000 |------------------------------------| |
|
||||
| System I/O | |
|
||||
ffe0 0000 |------------------------------------| |
|
||||
| Replicated ROM/FLASH Bank 0 | |
|
||||
| Replicated System I/O | |
|
||||
ff80 0000 |------------------------------------| |
|
||||
| ROM/FLASH Bank 1 | DBAT3
|
||||
ff00 0000 |------------------------------------| - Supervisor R/W
|
||||
| PCI Interrupt Acknowledge | - Cache Inhibited
|
||||
fef0 0000 |------------------------------------| - Guarded
|
||||
| PCI Configuration Data Register | |
|
||||
fee0 0000 |------------------------------------| |
|
||||
| PCI Configuration Address Register | |
|
||||
fec0 0000 |------------------------------------| |
|
||||
| PCI I/O Space | |
|
||||
fe80 0000 |------------------------------------| |
|
||||
| PCI/ISA I/O Space | |
|
||||
fe00 0000 |------------------------------------| |
|
||||
| PCI/ISA Memory Space | |
|
||||
fd00 0000 |------------------------------------| |
|
||||
| | |
|
||||
| xxxxxxxxxxxxxx| ----- f000 0000
|
||||
| x not mapped | |
|
||||
| xxxxxxxxxxxxxx| ----- a000 0000
|
||||
| | |
|
||||
| | |
|
||||
| | DBAT0
|
||||
| | - Supervisor R/W
|
||||
| | - Cache Inhibited
|
||||
| | - Guarded
|
||||
| | |
|
||||
| | |
|
||||
| | ----- 9000 0000
|
||||
| | |
|
||||
| | |
|
||||
| PCI Memory Space | DBAT2
|
||||
| | - Supervisor R/W
|
||||
| | - Cache Inhibited
|
||||
| | - Guarded
|
||||
| | |
|
||||
| | |
|
||||
| | |
|
||||
8000 0000 |------------------------------------| ----- 8000 0000
|
||||
| x |
|
||||
| x not mapped |
|
||||
| Reserved xxxxxxxxxxxxxx| ----- 1000 0000
|
||||
| | |
|
||||
| | |
|
||||
0200 0000 |------------------------------------| |
|
||||
| | |
|
||||
| | |
|
||||
| | |
|
||||
| | |
|
||||
| DRAM (32MB) | DBAT1/IBAT1
|
||||
| | - Supervisor R/W
|
||||
| | |
|
||||
| | |
|
||||
| | |
|
||||
| | |
|
||||
0000 0000 |------------------------------------| ----- 0000 0000
|
||||
|
||||
|
||||
TTCP Performance on First Day Run
|
||||
=================================
|
||||
Fedora Core 1 on (according to /proc/cpuinfo) a 300 Mhz P3 using Netgear
|
||||
10/100 CardBus NIC on a dedicated 10BaseT LAN.
|
||||
|
||||
ON MVME2100: ttcp -t -s 192.168.2.107
|
||||
REPORTED ON MVME2100:
|
||||
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp -> 192.168.2.107
|
||||
ttcp-t: socket
|
||||
ttcp-t: connect
|
||||
ttcp-t: 16777216 bytes in 20.80 real seconds = 787.69 KB/sec +++
|
||||
ttcp-t: 2048 I/O calls, msec/call = 10.40, calls/sec = 98.46
|
||||
ttcp-t: 0.0user 20.8sys 0:20real 100% 0i+0d 0maxrss 0+0pf 0+0csw
|
||||
|
||||
ON MVME2100: ttcp -t -s 192.168.2.107
|
||||
REPORTED ON MVME2100:
|
||||
ttcp -r -s
|
||||
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001 tcp
|
||||
ttcp-r: socket
|
||||
ttcp-r: accept from 192.168.2.107
|
||||
ttcp-r: 16777216 bytes in 15.41 real seconds = 1063.21 KB/sec +++
|
||||
ttcp-r: 11588 I/O calls, msec/call = 1.36, calls/sec = 751.98
|
||||
ttcp-r: 0.0user 15.4sys 0:15real 100% 0i+0d 0maxrss 0+0pf 0+0csw
|
||||
|
||||
@@ -24,8 +24,8 @@ LD = @LD@
|
||||
DEFAULT_INCLUDES =
|
||||
|
||||
# Remove references to EABI when compiling bootloader
|
||||
BOOTLOADER_CPU_FLAGS=$(subst -msdata=eabi,,$(subst -meabi,,$(CPU_CFLAGS)))
|
||||
AM_CPPFLAGS = -D__BOOT__ -DDEBUG
|
||||
BOOTLOADER_CPU_CFLAGS=$(subst -msdata=eabi,,$(subst -meabi,,$(CPU_CFLAGS)))
|
||||
AM_CPPFLAGS = -D__BOOT__
|
||||
AM_CFLAGS = \
|
||||
$(GCC_SPECS) -specs bsp_specs -qrtems -mrelocatable \
|
||||
-msoft-float -mstrict-align -fno-builtin -Wall -mmultiple \
|
||||
|
||||
@@ -3,11 +3,10 @@
|
||||
%rename startfile old_startfile
|
||||
%rename link old_link
|
||||
|
||||
|
||||
*lib:
|
||||
%{!qrtems: %(old_lib)} %{!nostdlib: %{qrtems: --start-group \
|
||||
%{!qrtems_debug: -lrtemsbsp -lrtemscpu} %{qrtems_debug: -lrtemsbsp_g -lrtemscpu_g} \
|
||||
-lc -lgcc --end-group \
|
||||
-lc -lgcc --end-group \
|
||||
%{!qnolinkcmds: -T linkcmds%s}}}
|
||||
|
||||
*startfile:
|
||||
|
||||
@@ -20,6 +20,16 @@ AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
|
||||
AS=$CC
|
||||
AM_PROG_AS
|
||||
|
||||
RTEMS_BSPOPTS_SET([mvme2100],[mvme2100],[1])
|
||||
RTEMS_BSPOPTS_SET([mvme2100],[*],[])
|
||||
RTEMS_BSPOPTS_HELP([mvme2100],
|
||||
[Defined for MVME2100 -- undefined for others])
|
||||
|
||||
RTEMS_BSPOPTS_SET([mpc8240],[mvme2100],[1])
|
||||
RTEMS_BSPOPTS_SET([mpc8240],[*],[])
|
||||
RTEMS_BSPOPTS_HELP([mpc8240],
|
||||
[Defined for boards with MPC8240 -- undefined for others])
|
||||
|
||||
RTEMS_BSPOPTS_SET([PPC_USE_DATA_CACHE],[*],[1])
|
||||
RTEMS_BSPOPTS_HELP([PPC_USE_DATA_CACHE],
|
||||
[If defined, then the PowerPC specific code in RTEMS will use
|
||||
@@ -43,6 +53,7 @@ pci/Makefile
|
||||
residual/Makefile
|
||||
start/Makefile
|
||||
startup/Makefile
|
||||
tod/Makefile
|
||||
vectors/Makefile
|
||||
vme/Makefile
|
||||
wrapup/Makefile])
|
||||
|
||||
@@ -5,11 +5,12 @@
|
||||
include_HEADERS = bspopts.h
|
||||
|
||||
include_HEADERS += ../../shared/include/nvram.h ../../shared/include/bsp.h \
|
||||
../../../shared/include/coverhd.h
|
||||
../../../shared/include/coverhd.h ../../../shared/tod.h
|
||||
|
||||
include_bspdir = $(includedir)/bsp
|
||||
include_bsp_HEADERS = ../../shared/console/consoleIo.h ../../shared/console/uart.h \
|
||||
../../shared/irq/irq.h ../../shared/motorola/motorola.h
|
||||
include_bsp_HEADERS = ../../shared/console/consoleIo.h \
|
||||
../../shared/console/uart.h ../../shared/irq/irq.h \
|
||||
../../shared/motorola/motorola.h
|
||||
|
||||
$(PROJECT_INCLUDE):
|
||||
$(mkinstalldirs) $@
|
||||
@@ -29,6 +30,9 @@ $(PROJECT_INCLUDE)/bsp.h: ../../shared/include/bsp.h
|
||||
$(PROJECT_INCLUDE)/coverhd.h: ../../../shared/include/coverhd.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_INCLUDE)/tod.h: ../../../shared/tod.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_INCLUDE)/bsp/consoleIo.h: ../../shared/console/consoleIo.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
@@ -46,6 +50,7 @@ TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/nvram.h
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/tod.h
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bsp
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/motorola.h
|
||||
|
||||
22
c/src/lib/libbsp/powerpc/motorola_powerpc/tod/Makefile.am
Normal file
22
c/src/lib/libbsp/powerpc/motorola_powerpc/tod/Makefile.am
Normal file
@@ -0,0 +1,22 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
|
||||
VPATH = @srcdir@:@srcdir@/../../shared/tod:@srcdir@/../../../shared
|
||||
|
||||
C_FILES = todcfg.c tod.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/compile.am
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
all-local: $(ARCH) $(OBJS)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
@@ -2,7 +2,8 @@
|
||||
## $Id$
|
||||
##
|
||||
|
||||
BSP_PIECES = clock console irq openpic pci residual startup vectors motorola vme
|
||||
BSP_PIECES = clock console irq openpic pci residual startup \
|
||||
tod vectors motorola vme
|
||||
|
||||
# bummer; have to use $foreach since % pattern subst rules only replace 1x
|
||||
OBJS = $(foreach piece, $(BSP_PIECES), ../$(piece)/$(ARCH)/*.$(OBJEXT)) \
|
||||
|
||||
@@ -1,3 +1,18 @@
|
||||
2005-11-07 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 834/bsps
|
||||
* vectors/vectors.S: reload stack pointer/R1 from exception frame
|
||||
instead of adding static offset.
|
||||
|
||||
2005-10-06 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 833/bsps
|
||||
* irq/irq_asm.S: Currently, all (new exception) BSPs explicitely enable
|
||||
the FPU across the user ISR but DONT save/restore the FPU context.
|
||||
Any use of the FPU fron the user handler (e.g., due to GCC
|
||||
optimizations) result in corruption. The fix results in an exception
|
||||
in such cases (user ISR must explicitely save/enable/restore FPU).
|
||||
|
||||
2004-09-27 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
PR 680/bsps
|
||||
|
||||
@@ -12,6 +12,9 @@
|
||||
* Modifications to store nesting level in global _ISR_Nest_level
|
||||
* variable instead of SPRG0. Andy Dachs <a.dachs@sstl.co.uk>
|
||||
*
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2005/4:
|
||||
* - DONT enable FP across user ISR since fpregs are never saved!!
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
@@ -93,11 +96,7 @@ SYM (shared_raw_irq_code_entry):
|
||||
* also, on CPUs with FP, enable FP so that FP context can be
|
||||
* saved and restored (using FP instructions)
|
||||
*/
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r3, r3, MSR_RI /*| MSR_IR | MSR_DR*/
|
||||
#else
|
||||
ori r3, r3, MSR_RI | /*MSR_IR | MSR_DR |*/ MSR_FP
|
||||
#endif
|
||||
mtmsr r3
|
||||
SYNC
|
||||
|
||||
@@ -301,6 +300,27 @@ nested:
|
||||
rfi
|
||||
|
||||
switch:
|
||||
#if ( PPC_HAS_FPU != 0 )
|
||||
#if ! defined( CPU_USE_DEFERRED_FP_SWITCH )
|
||||
#error missing include file???
|
||||
#endif
|
||||
mfmsr r4
|
||||
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
|
||||
/* if the executing thread has FP enabled propagate
|
||||
* this now so _Thread_Dispatch can save/restore the FPREGS
|
||||
* NOTE: it is *crucial* to disable the FPU across the
|
||||
* user ISR [independent of using the 'deferred'
|
||||
* strategy or not]. We don't save FP regs across
|
||||
* the user ISR and hence we prefer an exception to
|
||||
* be raised rather than experiencing corruption.
|
||||
*/
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
rlwimi r4, r3, 0, 18, 18 /* MSR_FP */
|
||||
#else
|
||||
ori r4, r4, MSR_FP
|
||||
#endif
|
||||
mtmsr r4
|
||||
#endif
|
||||
bl SYM (_Thread_Dispatch)
|
||||
|
||||
easy_exit:
|
||||
|
||||
@@ -139,6 +139,10 @@ SYM (push_normalized_frame):
|
||||
mtsrr0 r3
|
||||
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
addi r1,r1, EXCEPTION_FRAME_END
|
||||
/* DONT add back the frame size but reload the value
|
||||
* stored in the frame -- maybe the exception handler
|
||||
* changed it with good reason (e.g., gdb pushed a dummy frame)
|
||||
*/
|
||||
lwz r1, GPR1_OFFSET(r1)
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
@@ -1,3 +1,35 @@
|
||||
2005-11-07 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 834/bsps
|
||||
* vectors/vectors.S: reload stack pointer/R1 from exception frame
|
||||
instead of adding static offset.
|
||||
|
||||
2005-04-11 Jennifer Averett <jennifer@OARcorp.com>
|
||||
|
||||
PR 777/bsps
|
||||
* include/bsp.h: Add a Processor_Synchronize command in bsp.h
|
||||
|
||||
2005-03-17 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* irq/.cvsignore: New file.
|
||||
|
||||
2004-11-22 Jennifer Averett <jennifer@OARcorp.com>
|
||||
|
||||
* Makefile.am, wrapup/Makefile.am: Pick up SHM driver when MP enabled.
|
||||
|
||||
2004-11-22 Jennifer Averett <jennifer@OARcorp.com>
|
||||
|
||||
PR 617/bsps
|
||||
PR 581/bsps
|
||||
* Makefile.am, bsp_specs, configure.ac, clock/Makefile.am,
|
||||
include/bsp.h, start/Makefile.am, start/start.S, startup/Makefile.am,
|
||||
startup/bspstart.c, startup/linkcmds, vectors/Makefile.am,
|
||||
vectors/vectors.S, wrapup/Makefile.am: Convert PSIM to new exception
|
||||
model.
|
||||
* irq/Makefile.am, irq/irq.c, irq/irq.h, irq/irq_asm.S,
|
||||
irq/irq_init.c: New files.
|
||||
* clock/clock.c: Removed.
|
||||
|
||||
2003-12-16 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
|
||||
|
||||
PR 533/bsps
|
||||
|
||||
@@ -6,7 +6,7 @@ ACLOCAL_AMFLAGS = -I ../../../../../../aclocal
|
||||
|
||||
# wrapup is the one that actually builds and installs the library
|
||||
# from the individual .rel files built in other directories
|
||||
SUBDIRS = include start clock console startup shmsupp timer vectors \
|
||||
SUBDIRS = include start irq clock console startup shmsupp timer vectors \
|
||||
@exceptions@ wrapup \
|
||||
tools
|
||||
|
||||
|
||||
@@ -10,13 +10,13 @@
|
||||
%{!qnolinkcmds: -T linkcmds%s}}}
|
||||
|
||||
*startfile:
|
||||
%{!qrtems: %(old_startfile)} %{!nostdlib: %{qrtems: ecrti%O%s \
|
||||
%{!qrtems: %(old_startfile)} %{!nostdlib: %{qrtems: ecrti%O%s rtems_crti%O%s crtbegin.o%s \
|
||||
%{!qrtems_debug: start.o%s} \
|
||||
%{qrtems_debug: start_g.o%s}}}
|
||||
|
||||
*endfile:
|
||||
%{!qrtems: %(old_endfile)} %{qrtems: ecrtn%O%s}
|
||||
|
||||
*link:
|
||||
%{!qrtems: %(old_link)} %{qrtems: -Qy -dp -Bstatic -e _start -u __vectors}
|
||||
|
||||
*endfile:
|
||||
%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s ecrtn.o%s}
|
||||
|
||||
|
||||
@@ -3,9 +3,9 @@
|
||||
##
|
||||
|
||||
|
||||
PGM = $(ARCH)/clock.rel
|
||||
VPATH = @srcdir@:@srcdir@/../../shared/clock
|
||||
|
||||
C_FILES = clock.c
|
||||
C_FILES = p_clock.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
@@ -17,15 +17,8 @@ include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = clock.c
|
||||
all-local: $(ARCH) $(OBJS)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
@@ -1,51 +0,0 @@
|
||||
/*
|
||||
* Instantiate the clock driver shell for psim based
|
||||
* on the decrementer register.
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <rtems.h>
|
||||
|
||||
/*
|
||||
* If defined, speed up the clock ticks while the idle task is running so
|
||||
* time spent in the idle task is minimized. This significantly reduces
|
||||
* the wall time required to execute the RTEMS test suites.
|
||||
*/
|
||||
|
||||
/* #define CLOCK_DRIVER_USE_FAST_IDLE */
|
||||
|
||||
#define CLOCK_VECTOR PPC_IRQ_DECREMENTER
|
||||
|
||||
/* On psim, each click of the decrementer register corresponds
|
||||
* to 1 instruction. By setting this to 100, we are indicating
|
||||
* that we are assuming it can execute 100 instructions per
|
||||
* microsecond. This corresponds to sustaining 1 instruction
|
||||
* per cycle at 100 Mhz. Whether this is a good guess or not
|
||||
* is anyone's guess.
|
||||
*/
|
||||
|
||||
extern int PSIM_INSTRUCTIONS_PER_MICROSECOND;
|
||||
|
||||
unsigned int PPC_DECREMENTER_CLICKS;
|
||||
|
||||
#define Clock_driver_support_install_isr( _new, _old ) \
|
||||
do { \
|
||||
_old = (rtems_isr_entry) set_vector( _new, CLOCK_VECTOR, 1 ); \
|
||||
PPC_DECREMENTER_CLICKS = (unsigned int)&PSIM_INSTRUCTIONS_PER_MICROSECOND; \
|
||||
PPC_DECREMENTER_CLICKS *= rtems_configuration_get_microseconds_per_tick(); \
|
||||
/* PPC_DECREMENTER_CLICKS = 5000; */ \
|
||||
} while(0)
|
||||
|
||||
#define Clock_driver_support_initialize_hardware() \
|
||||
do { \
|
||||
unsigned int _clicks = PPC_DECREMENTER_CLICKS; \
|
||||
PPC_Set_decrementer( _clicks ); \
|
||||
} while (0)
|
||||
|
||||
#define Clock_driver_support_at_tick() \
|
||||
Clock_driver_support_initialize_hardware()
|
||||
|
||||
#define Clock_driver_support_shutdown_hardware()
|
||||
|
||||
#include "../../../shared/clockdrv_shell.c"
|
||||
@@ -38,6 +38,7 @@ AC_CONFIG_FILES([Makefile
|
||||
clock/Makefile
|
||||
console/Makefile
|
||||
include/Makefile
|
||||
irq/Makefile
|
||||
shmsupp/Makefile
|
||||
start/Makefile
|
||||
startup/Makefile
|
||||
@@ -45,6 +46,6 @@ timer/Makefile
|
||||
vectors/Makefile
|
||||
wrapup/Makefile])
|
||||
|
||||
RTEMS_PPC_EXCEPTIONS([old])
|
||||
RTEMS_PPC_EXCEPTIONS([new])
|
||||
|
||||
AC_OUTPUT
|
||||
|
||||
@@ -54,30 +54,39 @@ extern "C" {
|
||||
#else
|
||||
#include <rtems.h>
|
||||
#include <console.h>
|
||||
#include <libcpu/io.h>
|
||||
#include <clockdrv.h>
|
||||
#include <console.h>
|
||||
#include <iosupp.h>
|
||||
|
||||
/*
|
||||
* Define the time limits for RTEMS Test Suite test durations.
|
||||
* Long test and short test duration limits are provided. These
|
||||
* values are in seconds and need to be converted to ticks for the
|
||||
* application.
|
||||
*
|
||||
*/
|
||||
|
||||
#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */
|
||||
#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */
|
||||
|
||||
#include <bsp/vectors.h>
|
||||
|
||||
/*
|
||||
* Stuff for Time Test 27
|
||||
*/
|
||||
#if defined(RTEMS_TM27)
|
||||
|
||||
#include <bsp/irq.h>
|
||||
|
||||
#define MUST_WAIT_FOR_INTERRUPT 1
|
||||
|
||||
#define Install_tm27_vector( _handler ) \
|
||||
set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 )
|
||||
/* #define Install_tm27_vector( _handler ) \
|
||||
set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 ) */
|
||||
|
||||
void nullFunc() {}
|
||||
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
|
||||
0,
|
||||
(rtems_irq_enable)nullFunc,
|
||||
(rtems_irq_disable)nullFunc,
|
||||
(rtems_irq_is_enabled) nullFunc};
|
||||
|
||||
void Install_tm27_vector(void (*_handler)())
|
||||
{
|
||||
clockIrqData.hdl = _handler;
|
||||
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
|
||||
printk("Error installing clock interrupt handler!\n");
|
||||
rtems_fatal_error_occurred(1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#define Cause_tm27_intr() \
|
||||
do { \
|
||||
@@ -100,6 +109,7 @@ extern "C" {
|
||||
_msr |= 0x8002; \
|
||||
asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
/* Constants */
|
||||
|
||||
@@ -120,42 +130,29 @@ extern "C" {
|
||||
* Information placed in the linkcmds file.
|
||||
*/
|
||||
|
||||
extern int RAM_START;
|
||||
extern int RAM_END;
|
||||
extern int RAM_SIZE;
|
||||
|
||||
extern int PROM_START;
|
||||
extern int PROM_END;
|
||||
extern int PROM_SIZE;
|
||||
|
||||
extern int CLOCK_SPEED;
|
||||
|
||||
extern int end; /* last address in the program */
|
||||
|
||||
|
||||
#define BSP_Convert_decrementer( _value ) ( (unsigned long long) _value )
|
||||
|
||||
/* macros */
|
||||
#define Processor_Synchronize() \
|
||||
asm(" eieio ")
|
||||
|
||||
/* functions */
|
||||
|
||||
void bsp_start( void );
|
||||
|
||||
void bsp_cleanup( void );
|
||||
|
||||
rtems_isr_entry set_vector( /* returns old vector */
|
||||
rtems_isr_entry handler, /* isr routine */
|
||||
rtems_vector_number vector, /* vector number */
|
||||
int type /* RTEMS or RAW intr */
|
||||
);
|
||||
|
||||
void DEBUG_puts( char *string );
|
||||
|
||||
void BSP_fatal_return( void );
|
||||
|
||||
void bsp_spurious_initialize( void );
|
||||
void bsp_cleanup( void );
|
||||
|
||||
extern rtems_configuration_table BSP_Configuration; /* owned by BSP */
|
||||
|
||||
extern rtems_cpu_table Cpu_table; /* owned by BSP */
|
||||
|
||||
extern rtems_unsigned32 bsp_isr_level;
|
||||
|
||||
#endif /* ASM */
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
1
c/src/lib/libbsp/powerpc/psim/irq/.cvsignore
Normal file
1
c/src/lib/libbsp/powerpc/psim/irq/.cvsignore
Normal file
@@ -0,0 +1 @@
|
||||
Makefile.in
|
||||
41
c/src/lib/libbsp/powerpc/psim/irq/Makefile.am
Normal file
41
c/src/lib/libbsp/powerpc/psim/irq/Makefile.am
Normal file
@@ -0,0 +1,41 @@
|
||||
##
|
||||
## Makefile.am,v 1.5 2002/12/17 13:37:41 ralf Exp
|
||||
##
|
||||
|
||||
|
||||
include_bspdir = $(includedir)/bsp
|
||||
|
||||
C_FILES = irq.c irq_init.c
|
||||
OBJS = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
include_bsp_HEADERS = irq.h
|
||||
|
||||
S_FILES = irq_asm.S
|
||||
OBJS += $(S_FILES:%.S=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/compile.am
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
$(PROJECT_INCLUDE)/bsp:
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
$(PROJECT_INCLUDE)/bsp/%.h: %.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
PREINSTALL_FILES = $(PROJECT_INCLUDE)/bsp \
|
||||
$(include_bsp_HEADERS:%=$(PROJECT_INCLUDE)/bsp/%)
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
|
||||
all-local: $(PREINSTALL_FILES) $(ARCH) $(OBJS) $(PGM)
|
||||
|
||||
EXTRA_DIST = irq.c irq.h irq_asm.S irq_init.c
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
361
c/src/lib/libbsp/powerpc/psim/irq/irq.c
Normal file
361
c/src/lib/libbsp/powerpc/psim/irq/irq.c
Normal file
@@ -0,0 +1,361 @@
|
||||
/*
|
||||
*
|
||||
* This file contains the implementation of the function described in irq.h
|
||||
*
|
||||
* Copyright (C) 1998, 1999 valette@crf.canon.fr
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
|
||||
*
|
||||
* irq.c,v 1.4.2.8 2003/09/04 18:45:20 joel Exp
|
||||
*/
|
||||
|
||||
#include <rtems/system.h>
|
||||
#include <bsp.h>
|
||||
#include <bsp/irq.h>
|
||||
#if 0
|
||||
#include <bsp/VME.h>
|
||||
#include <bsp/openpic.h>
|
||||
#endif
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <rtems/score/thread.h>
|
||||
#include <rtems/score/apiext.h>
|
||||
#include <libcpu/raw_exception.h>
|
||||
#include <libcpu/io.h>
|
||||
#include <bsp/vectors.h>
|
||||
|
||||
#include <rtems/bspIo.h> /* for printk */
|
||||
#define RAVEN_INTR_ACK_REG 0xfeff0030
|
||||
|
||||
/*
|
||||
* pointer to the mask representing the additionnal irq vectors
|
||||
* that must be disabled when a particular entry is activated.
|
||||
* They will be dynamically computed from teh prioruty table given
|
||||
* in BSP_rtems_irq_mngt_set();
|
||||
* CAUTION : this table is accessed directly by interrupt routine
|
||||
* prologue.
|
||||
*/
|
||||
rtems_i8259_masks irq_mask_or_tbl[BSP_IRQ_NUMBER];
|
||||
/*
|
||||
* default handler connected on each irq after bsp initialization
|
||||
*/
|
||||
static rtems_irq_connect_data default_rtems_entry;
|
||||
|
||||
/*
|
||||
* location used to store initial tables used for interrupt
|
||||
* management.
|
||||
*/
|
||||
static rtems_irq_global_settings* internal_config;
|
||||
static rtems_irq_connect_data* rtems_hdl_tbl;
|
||||
|
||||
/*
|
||||
* Check if IRQ is an ISA IRQ
|
||||
*/
|
||||
static inline int is_isa_irq(const rtems_irq_symbolic_name irqLine)
|
||||
{
|
||||
return (((int) irqLine <= BSP_ISA_IRQ_MAX_OFFSET) &
|
||||
((int) irqLine >= BSP_ISA_IRQ_LOWEST_OFFSET)
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* Check if IRQ is an OPENPIC IRQ
|
||||
*/
|
||||
static inline int is_pci_irq(const rtems_irq_symbolic_name irqLine)
|
||||
{
|
||||
return (((int) irqLine <= BSP_PCI_IRQ_MAX_OFFSET) &
|
||||
((int) irqLine >= BSP_PCI_IRQ_LOWEST_OFFSET)
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* Check if IRQ is a Porcessor IRQ
|
||||
*/
|
||||
static inline int is_processor_irq(const rtems_irq_symbolic_name irqLine)
|
||||
{
|
||||
return (((int) irqLine <= BSP_PROCESSOR_IRQ_MAX_OFFSET) &
|
||||
((int) irqLine >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET)
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Irq helper functions ----------------
|
||||
*/
|
||||
|
||||
/*
|
||||
* Caution : this function assumes the variable "internal_config"
|
||||
* is already set and that the tables it contains are still valid
|
||||
* and accessible.
|
||||
*/
|
||||
static void compute_i8259_masks_from_prio ()
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
/*
|
||||
* Always mask at least current interrupt to prevent re-entrance
|
||||
*/
|
||||
for (i=BSP_ISA_IRQ_LOWEST_OFFSET; i < BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER; i++) {
|
||||
* ((unsigned short*) &irq_mask_or_tbl[i]) = (1 << i);
|
||||
for (j = BSP_ISA_IRQ_LOWEST_OFFSET; j < BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER; j++) {
|
||||
/*
|
||||
* Mask interrupts at i8259 level that have a lower priority
|
||||
*/
|
||||
if (internal_config->irqPrioTbl [i] > internal_config->irqPrioTbl [j]) {
|
||||
* ((unsigned short*) &irq_mask_or_tbl[i]) |= (1 << j);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* This function check that the value given for the irq line
|
||||
* is valid.
|
||||
*/
|
||||
|
||||
static int isValidInterrupt(int irq)
|
||||
{
|
||||
if ( (irq < BSP_LOWEST_OFFSET) || (irq > BSP_MAX_OFFSET))
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Shared Irq Handler Mngt Routines ----------------
|
||||
*/
|
||||
int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data* irq)
|
||||
{
|
||||
printk("BSP_insall_rtems_shared_irq_handler Not supported in psim\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Single Irq Handler Mngt Routines ----------------
|
||||
*/
|
||||
|
||||
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data* irq)
|
||||
{
|
||||
unsigned int level;
|
||||
|
||||
if (!isValidInterrupt(irq->name)) {
|
||||
printk("Invalid interrupt vector %d\n",irq->name);
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
* Check if default handler is actually connected. If not issue an error.
|
||||
* You must first get the current handler via i386_get_current_idt_entry
|
||||
* and then disconnect it using i386_delete_idt_entry.
|
||||
* RATIONALE : to always have the same transition by forcing the user
|
||||
* to get the previous handler before accepting to disconnect.
|
||||
*/
|
||||
_CPU_ISR_Disable(level);
|
||||
if (rtems_hdl_tbl[irq->name].hdl != default_rtems_entry.hdl) {
|
||||
_CPU_ISR_Enable(level);
|
||||
printk("IRQ vector %d already connected\n",irq->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* store the data provided by user
|
||||
*/
|
||||
rtems_hdl_tbl[irq->name] = *irq;
|
||||
rtems_hdl_tbl[irq->name].next_handler = (void *)-1;
|
||||
|
||||
if (is_isa_irq(irq->name)) {
|
||||
printk("What's a isa_irq on psim?");
|
||||
}
|
||||
|
||||
if (is_processor_irq(irq->name)) {
|
||||
/*
|
||||
* Enable exception at processor level
|
||||
*/
|
||||
}
|
||||
/*
|
||||
* Enable interrupt on device
|
||||
*/
|
||||
irq->on(irq);
|
||||
|
||||
_CPU_ISR_Enable(level);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* irq)
|
||||
{
|
||||
unsigned int level;
|
||||
|
||||
if (!isValidInterrupt(irq->name)) {
|
||||
return 0;
|
||||
}
|
||||
_CPU_ISR_Disable(level);
|
||||
*irq = rtems_hdl_tbl[irq->name];
|
||||
_CPU_ISR_Enable(level);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data* irq)
|
||||
{
|
||||
rtems_irq_connect_data *pchain= NULL, *vchain = NULL;
|
||||
unsigned int level;
|
||||
|
||||
if (!isValidInterrupt(irq->name)) {
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
* Check if default handler is actually connected. If not issue an error.
|
||||
* You must first get the current handler via i386_get_current_idt_entry
|
||||
* and then disconnect it using i386_delete_idt_entry.
|
||||
* RATIONALE : to always have the same transition by forcing the user
|
||||
* to get the previous handler before accepting to disconnect.
|
||||
*/
|
||||
_CPU_ISR_Disable(level);
|
||||
if (rtems_hdl_tbl[irq->name].hdl != irq->hdl) {
|
||||
_CPU_ISR_Enable(level);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if( (int)rtems_hdl_tbl[irq->name].next_handler != -1 )
|
||||
{
|
||||
int found = 0;
|
||||
|
||||
for( (pchain= NULL, vchain = &rtems_hdl_tbl[irq->name]);
|
||||
(vchain->hdl != default_rtems_entry.hdl);
|
||||
(pchain= vchain, vchain = (rtems_irq_connect_data*)vchain->next_handler) )
|
||||
{
|
||||
if( vchain->hdl == irq->hdl )
|
||||
{
|
||||
found= -1; break;
|
||||
}
|
||||
}
|
||||
|
||||
if( !found )
|
||||
{
|
||||
_CPU_ISR_Enable(level);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (rtems_hdl_tbl[irq->name].hdl != irq->hdl)
|
||||
{
|
||||
_CPU_ISR_Enable(level);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_isa_irq(irq->name)) {
|
||||
printk("isa irq on psim?");
|
||||
}
|
||||
if (is_processor_irq(irq->name)) {
|
||||
/*
|
||||
* disable exception at processor level
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
* Disable interrupt on device
|
||||
*/
|
||||
irq->off(irq);
|
||||
|
||||
/*
|
||||
* restore the default irq value
|
||||
*/
|
||||
if( !vchain )
|
||||
{
|
||||
/* single handler vector... */
|
||||
rtems_hdl_tbl[irq->name] = default_rtems_entry;
|
||||
}
|
||||
else
|
||||
{
|
||||
if( pchain )
|
||||
{
|
||||
/* non-first handler being removed */
|
||||
pchain->next_handler = vchain->next_handler;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* first handler isn't malloc'ed, so just overwrite it. Since
|
||||
the contents of vchain are being struct copied, vchain itself
|
||||
goes away */
|
||||
rtems_hdl_tbl[irq->name]= *vchain;
|
||||
}
|
||||
free(vchain);
|
||||
}
|
||||
|
||||
_CPU_ISR_Enable(level);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Global Irq Handler Mngt Routines ----------------
|
||||
*/
|
||||
|
||||
int BSP_rtems_irq_mngt_set(rtems_irq_global_settings* config)
|
||||
{
|
||||
/*
|
||||
* Store various code accelerators
|
||||
*/
|
||||
internal_config = config;
|
||||
default_rtems_entry = config->defaultEntry;
|
||||
rtems_hdl_tbl = config->irqHdlTbl;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int BSP_rtems_irq_mngt_get(rtems_irq_global_settings** config)
|
||||
{
|
||||
*config = internal_config;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _BSP_vme_bridge_irq = -1;
|
||||
|
||||
unsigned BSP_spuriousIntr = 0;
|
||||
|
||||
/*
|
||||
* High level IRQ handler called from shared_raw_irq_code_entry
|
||||
*/
|
||||
void C_dispatch_irq_handler (CPU_Interrupt_frame *frame, unsigned int excNum)
|
||||
{
|
||||
register unsigned msr;
|
||||
register unsigned new_msr;
|
||||
|
||||
if (excNum == ASM_DEC_VECTOR) {
|
||||
_CPU_MSR_GET(msr);
|
||||
new_msr = msr | MSR_EE;
|
||||
_CPU_MSR_SET(new_msr);
|
||||
|
||||
rtems_hdl_tbl[BSP_DECREMENTER].hdl();
|
||||
|
||||
_CPU_MSR_SET(msr);
|
||||
return;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
void _ThreadProcessSignalsFromIrq (BSP_Exception_frame* ctx)
|
||||
{
|
||||
/*
|
||||
* Process pending signals that have not already been
|
||||
* processed by _Thread_Displatch. This happens quite
|
||||
* unfrequently : the ISR must have posted an action
|
||||
* to the current running thread.
|
||||
*/
|
||||
if ( _Thread_Do_post_task_switch_extension ||
|
||||
_Thread_Executing->do_post_task_switch_extension ) {
|
||||
_Thread_Executing->do_post_task_switch_extension = FALSE;
|
||||
_API_extensions_Run_postswitch();
|
||||
}
|
||||
/*
|
||||
* I plan to process other thread related events here.
|
||||
* This will include DEBUG session requested from keyboard...
|
||||
*/
|
||||
}
|
||||
333
c/src/lib/libbsp/powerpc/psim/irq/irq.h
Normal file
333
c/src/lib/libbsp/powerpc/psim/irq/irq.h
Normal file
@@ -0,0 +1,333 @@
|
||||
/* irq.h
|
||||
*
|
||||
* This include file describe the data structure and the functions implemented
|
||||
* by rtems to write interrupt handlers.
|
||||
*
|
||||
* CopyRight (C) 1999 valette@crf.canon.fr
|
||||
*
|
||||
* This code is heavilly inspired by the public specification of STREAM V2
|
||||
* that can be found at :
|
||||
*
|
||||
* <http://www.chorus.com/Documentation/index.html> by following
|
||||
* the STREAM API Specification Document link.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
|
||||
*
|
||||
* irq.h,v 1.2.4.2 2003/09/04 18:45:20 joel Exp
|
||||
*/
|
||||
|
||||
#ifndef LIBBSP_POWERPC_MCP750_IRQ_IRQ_H
|
||||
#define LIBBSP_POWERPC_MCP750_IRQ_IRQ_H
|
||||
|
||||
|
||||
/*
|
||||
* 8259 edge/level control definitions at VIA
|
||||
*/
|
||||
#define ISA8259_M_ELCR 0x4d0
|
||||
#define ISA8259_S_ELCR 0x4d1
|
||||
|
||||
#define ELCRS_INT15_LVL 0x80
|
||||
#define ELCRS_INT14_LVL 0x40
|
||||
#define ELCRS_INT13_LVL 0x20
|
||||
#define ELCRS_INT12_LVL 0x10
|
||||
#define ELCRS_INT11_LVL 0x08
|
||||
#define ELCRS_INT10_LVL 0x04
|
||||
#define ELCRS_INT9_LVL 0x02
|
||||
#define ELCRS_INT8_LVL 0x01
|
||||
#define ELCRM_INT7_LVL 0x80
|
||||
#define ELCRM_INT6_LVL 0x40
|
||||
#define ELCRM_INT5_LVL 0x20
|
||||
#define ELCRM_INT4_LVL 0x10
|
||||
#define ELCRM_INT3_LVL 0x8
|
||||
#define ELCRM_INT2_LVL 0x4
|
||||
#define ELCRM_INT1_LVL 0x2
|
||||
#define ELCRM_INT0_LVL 0x1
|
||||
|
||||
#define BSP_ASM_IRQ_VECTOR_BASE 0x0
|
||||
/* PIC's command and mask registers */
|
||||
#define PIC_MASTER_COMMAND_IO_PORT 0x20 /* Master PIC command register */
|
||||
#define PIC_SLAVE_COMMAND_IO_PORT 0xa0 /* Slave PIC command register */
|
||||
#define PIC_MASTER_IMR_IO_PORT 0x21 /* Master PIC Interrupt Mask Register */
|
||||
#define PIC_SLAVE_IMR_IO_PORT 0xa1 /* Slave PIC Interrupt Mask Register */
|
||||
|
||||
/* Command for specific EOI (End Of Interrupt): Interrupt acknowledge */
|
||||
#define PIC_EOSI 0x60 /* End of Specific Interrupt (EOSI) */
|
||||
#define SLAVE_PIC_EOSI 0x62 /* End of Specific Interrupt (EOSI) for cascade */
|
||||
#define PIC_EOI 0x20 /* Generic End of Interrupt (EOI) */
|
||||
|
||||
#ifndef ASM
|
||||
|
||||
|
||||
/*
|
||||
* Symblolic IRQ names and related definitions.
|
||||
*/
|
||||
|
||||
typedef enum {
|
||||
/* Base vector for our ISA IRQ handlers. */
|
||||
BSP_ISA_IRQ_VECTOR_BASE = BSP_ASM_IRQ_VECTOR_BASE,
|
||||
/*
|
||||
* ISA IRQ handler related definitions
|
||||
*/
|
||||
BSP_ISA_IRQ_NUMBER = 16,
|
||||
BSP_ISA_IRQ_LOWEST_OFFSET = 0,
|
||||
BSP_ISA_IRQ_MAX_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* PCI IRQ handlers related definitions
|
||||
* CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE
|
||||
*/
|
||||
BSP_PCI_IRQ_NUMBER = 16,
|
||||
BSP_PCI_IRQ_LOWEST_OFFSET = BSP_ISA_IRQ_NUMBER,
|
||||
BSP_PCI_IRQ_MAX_OFFSET = BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* PowerPc exceptions handled as interrupt where a rtems managed interrupt
|
||||
* handler might be connected
|
||||
*/
|
||||
BSP_PROCESSOR_IRQ_NUMBER = 1,
|
||||
BSP_PROCESSOR_IRQ_LOWEST_OFFSET = BSP_PCI_IRQ_MAX_OFFSET + 1,
|
||||
BSP_PROCESSOR_IRQ_MAX_OFFSET = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1,
|
||||
/* Misc vectors for OPENPIC irqs (IPI, timers)
|
||||
*/
|
||||
BSP_MISC_IRQ_NUMBER = 8,
|
||||
BSP_MISC_IRQ_LOWEST_OFFSET = BSP_PROCESSOR_IRQ_MAX_OFFSET + 1,
|
||||
BSP_MISC_IRQ_MAX_OFFSET = BSP_MISC_IRQ_LOWEST_OFFSET + BSP_MISC_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* Summary
|
||||
*/
|
||||
BSP_IRQ_NUMBER = BSP_MISC_IRQ_MAX_OFFSET + 1,
|
||||
BSP_LOWEST_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET,
|
||||
BSP_MAX_OFFSET = BSP_MISC_IRQ_MAX_OFFSET,
|
||||
/*
|
||||
* Some ISA IRQ symbolic name definition
|
||||
*/
|
||||
BSP_ISA_PERIODIC_TIMER = 0,
|
||||
|
||||
BSP_ISA_KEYBOARD = 1,
|
||||
|
||||
BSP_ISA_UART_COM2_IRQ = 3,
|
||||
|
||||
BSP_ISA_UART_COM1_IRQ = 4,
|
||||
|
||||
BSP_ISA_RT_TIMER1 = 8,
|
||||
|
||||
BSP_ISA_RT_TIMER3 = 10,
|
||||
/*
|
||||
* Some PCI IRQ symbolic name definition
|
||||
*/
|
||||
BSP_PCI_IRQ0 = BSP_PCI_IRQ_LOWEST_OFFSET,
|
||||
BSP_PCI_ISA_BRIDGE_IRQ = BSP_PCI_IRQ0,
|
||||
/*
|
||||
* Some Processor execption handled as rtems IRQ symbolic name definition
|
||||
*/
|
||||
BSP_DECREMENTER = BSP_PROCESSOR_IRQ_LOWEST_OFFSET
|
||||
|
||||
}rtems_irq_symbolic_name;
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Type definition for RTEMS managed interrupts
|
||||
*/
|
||||
typedef unsigned char rtems_irq_prio;
|
||||
typedef unsigned short rtems_i8259_masks;
|
||||
|
||||
extern volatile rtems_i8259_masks i8259s_cache;
|
||||
|
||||
struct __rtems_irq_connect_data__; /* forward declaratiuon */
|
||||
|
||||
typedef void (*rtems_irq_hdl) (void);
|
||||
typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*);
|
||||
typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*);
|
||||
typedef int (*rtems_irq_is_enabled) (const struct __rtems_irq_connect_data__*);
|
||||
|
||||
typedef struct __rtems_irq_connect_data__ {
|
||||
/*
|
||||
* IRQ line
|
||||
*/
|
||||
rtems_irq_symbolic_name name;
|
||||
/*
|
||||
* handler. See comment on handler properties below in function prototype.
|
||||
*/
|
||||
rtems_irq_hdl hdl;
|
||||
/*
|
||||
* function for enabling interrupts at device level (ONLY!).
|
||||
* The BSP code will automatically enable it at i8259s level and openpic level.
|
||||
* RATIONALE : anyway such code has to exist in current driver code.
|
||||
* It is usually called immediately AFTER connecting the interrupt handler.
|
||||
* RTEMS may well need such a function when restoring normal interrupt
|
||||
* processing after a debug session.
|
||||
*
|
||||
*/
|
||||
rtems_irq_enable on;
|
||||
/*
|
||||
* function for disabling interrupts at device level (ONLY!).
|
||||
* The code will disable it at i8259s level. RATIONALE : anyway
|
||||
* such code has to exist for clean shutdown. It is usually called
|
||||
* BEFORE disconnecting the interrupt. RTEMS may well need such
|
||||
* a function when disabling normal interrupt processing for
|
||||
* a debug session. May well be a NOP function.
|
||||
*/
|
||||
rtems_irq_disable off;
|
||||
/*
|
||||
* function enabling to know what interrupt may currently occur
|
||||
* if someone manipulates the i8259s interrupt mask without care...
|
||||
*/
|
||||
rtems_irq_is_enabled isOn;
|
||||
/*
|
||||
* Set to -1 for vectors forced to have only 1 handler
|
||||
*/
|
||||
void *next_handler;
|
||||
|
||||
}rtems_irq_connect_data;
|
||||
|
||||
typedef struct {
|
||||
/*
|
||||
* size of all the table fields (*Tbl) described below.
|
||||
*/
|
||||
unsigned int irqNb;
|
||||
/*
|
||||
* Default handler used when disconnecting interrupts.
|
||||
*/
|
||||
rtems_irq_connect_data defaultEntry;
|
||||
/*
|
||||
* Table containing initials/current value.
|
||||
*/
|
||||
rtems_irq_connect_data* irqHdlTbl;
|
||||
/*
|
||||
* actual value of BSP_ISA_IRQ_VECTOR_BASE...
|
||||
*/
|
||||
rtems_irq_symbolic_name irqBase;
|
||||
/*
|
||||
* software priorities associated with interrupts.
|
||||
* if irqPrio [i] > intrPrio [j] it means that
|
||||
* interrupt handler hdl connected for interrupt name i
|
||||
* will not be interrupted by the handler connected for interrupt j
|
||||
* The interrupt source will be physically masked at i8259 level.
|
||||
*/
|
||||
rtems_irq_prio* irqPrioTbl;
|
||||
}rtems_irq_global_settings;
|
||||
|
||||
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Function Prototypes.
|
||||
+--------------------------------------------------------------------------*/
|
||||
/*
|
||||
* ------------------------ Intel 8259 (or emulation) Mngt Routines -------
|
||||
*/
|
||||
|
||||
/*
|
||||
* function to disable a particular irq at 8259 level. After calling
|
||||
* this function, even if the device asserts the interrupt line it will
|
||||
* not be propagated further to the processor
|
||||
*/
|
||||
int BSP_irq_disable_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
/*
|
||||
* function to enable a particular irq at 8259 level. After calling
|
||||
* this function, if the device asserts the interrupt line it will
|
||||
* be propagated further to the processor
|
||||
*/
|
||||
int BSP_irq_enable_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
/*
|
||||
* function to acknoledge a particular irq at 8259 level. After calling
|
||||
* this function, if a device asserts an enabled interrupt line it will
|
||||
* be propagated further to the processor. Mainly usefull for people
|
||||
* writting raw handlers as this is automagically done for rtems managed
|
||||
* handlers.
|
||||
*/
|
||||
int BSP_irq_ack_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
/*
|
||||
* function to check if a particular irq is enabled at 8259 level. After calling
|
||||
*/
|
||||
int BSP_irq_enabled_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
/*
|
||||
* ------------------------ RTEMS Single Irq Handler Mngt Routines ----------------
|
||||
*/
|
||||
/*
|
||||
* function to connect a particular irq handler. This hanlder will NOT be called
|
||||
* directly as the result of the corresponding interrupt. Instead, a RTEMS
|
||||
* irq prologue will be called that will :
|
||||
*
|
||||
* 1) save the C scratch registers,
|
||||
* 2) switch to a interrupt stack if the interrupt is not nested,
|
||||
* 3) store the current i8259s' interrupt masks
|
||||
* 4) modify them to disable the current interrupt at 8259 level (and may
|
||||
* be others depending on software priorities)
|
||||
* 5) aknowledge the i8259s',
|
||||
* 6) demask the processor,
|
||||
* 7) call the application handler
|
||||
*
|
||||
* As a result the hdl function provided
|
||||
*
|
||||
* a) can perfectly be written is C,
|
||||
* b) may also well directly call the part of the RTEMS API that can be used
|
||||
* from interrupt level,
|
||||
* c) It only responsible for handling the jobs that need to be done at
|
||||
* the device level including (aknowledging/re-enabling the interrupt at device,
|
||||
* level, getting the data,...)
|
||||
*
|
||||
* When returning from the function, the following will be performed by
|
||||
* the RTEMS irq epilogue :
|
||||
*
|
||||
* 1) masks the interrupts again,
|
||||
* 2) restore the original i8259s' interrupt masks
|
||||
* 3) switch back on the orinal stack if needed,
|
||||
* 4) perform rescheduling when necessary,
|
||||
* 5) restore the C scratch registers...
|
||||
* 6) restore initial execution flow
|
||||
*
|
||||
*/
|
||||
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*);
|
||||
int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data*);
|
||||
|
||||
#define BSP_SHARED_HANDLER_SUPPORT 1
|
||||
|
||||
/*
|
||||
* function to get the current RTEMS irq handler for ptr->name. It enables to
|
||||
* define hanlder chain...
|
||||
*/
|
||||
int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr);
|
||||
/*
|
||||
* function to get disconnect the RTEMS irq handler for ptr->name.
|
||||
* This function checks that the value given is the current one for safety reason.
|
||||
* The user can use the previous function to get it.
|
||||
*/
|
||||
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*);
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Global Irq Handler Mngt Routines ----------------
|
||||
*/
|
||||
/*
|
||||
* (Re) Initialize the RTEMS interrupt management.
|
||||
*
|
||||
* The result of calling this function will be the same as if each individual
|
||||
* handler (config->irqHdlTbl[i].hdl) different from "config->defaultEntry.hdl"
|
||||
* has been individualy connected via
|
||||
* BSP_install_rtems_irq_handler(&config->irqHdlTbl[i])
|
||||
* And each handler currently equal to config->defaultEntry.hdl
|
||||
* has been previously disconnected via
|
||||
* BSP_remove_rtems_irq_handler (&config->irqHdlTbl[i])
|
||||
*
|
||||
* This is to say that all information given will be used and not just
|
||||
* only the space.
|
||||
*
|
||||
* CAUTION : the various table address contained in config will be used
|
||||
* directly by the interrupt mangement code in order to save
|
||||
* data size so they must stay valid after the call => they should
|
||||
* not be modified or declared on a stack.
|
||||
*/
|
||||
|
||||
int BSP_rtems_irq_mngt_set(rtems_irq_global_settings* config);
|
||||
/*
|
||||
* (Re) get info on current RTEMS interrupt management.
|
||||
*/
|
||||
int BSP_rtems_irq_mngt_get(rtems_irq_global_settings**);
|
||||
|
||||
extern void BSP_rtems_irq_mng_init(unsigned cpuId);
|
||||
extern void BSP_i8259s_init(void);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
357
c/src/lib/libbsp/powerpc/psim/irq/irq_asm.S
Normal file
357
c/src/lib/libbsp/powerpc/psim/irq/irq_asm.S
Normal file
@@ -0,0 +1,357 @@
|
||||
/*
|
||||
* This file contains the assembly code for the PowerPC
|
||||
* IRQ veneers for RTEMS.
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
|
||||
*
|
||||
* Modified to support the MCP750.
|
||||
* Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
|
||||
*
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2003/7:
|
||||
* - store isr nesting level in _ISR_Nest_level rather than
|
||||
* SPRG0 - RTEMS relies on that variable.
|
||||
*
|
||||
* irq_asm.S,v 1.5.4.3 2003/09/04 18:45:20 joel Exp
|
||||
*/
|
||||
|
||||
#include <asm.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <bsp/vectors.h>
|
||||
#include <libcpu/raw_exception.h>
|
||||
|
||||
|
||||
#define SYNC \
|
||||
sync; \
|
||||
isync
|
||||
|
||||
.text
|
||||
.p2align 5
|
||||
|
||||
PUBLIC_VAR(decrementer_exception_vector_prolog_code)
|
||||
|
||||
SYM (decrementer_exception_vector_prolog_code):
|
||||
/*
|
||||
* let room for exception frame
|
||||
*/
|
||||
stwu r1, - (EXCEPTION_FRAME_END)(r1)
|
||||
stw r4, GPR4_OFFSET(r1)
|
||||
li r4, ASM_DEC_VECTOR
|
||||
ba shared_raw_irq_code_entry
|
||||
|
||||
PUBLIC_VAR (decrementer_exception_vector_prolog_code_size)
|
||||
|
||||
decrementer_exception_vector_prolog_code_size = . - decrementer_exception_vector_prolog_code
|
||||
|
||||
PUBLIC_VAR(external_exception_vector_prolog_code)
|
||||
|
||||
SYM (external_exception_vector_prolog_code):
|
||||
/*
|
||||
* let room for exception frame
|
||||
*/
|
||||
stwu r1, - (EXCEPTION_FRAME_END)(r1)
|
||||
stw r4, GPR4_OFFSET(r1)
|
||||
li r4, ASM_EXT_VECTOR
|
||||
ba shared_raw_irq_code_entry
|
||||
|
||||
PUBLIC_VAR (external_exception_vector_prolog_code_size)
|
||||
|
||||
external_exception_vector_prolog_code_size = . - external_exception_vector_prolog_code
|
||||
|
||||
PUBLIC_VAR(shared_raw_irq_code_entry)
|
||||
PUBLIC_VAR(C_dispatch_irq_handler)
|
||||
|
||||
.p2align 5
|
||||
SYM (shared_raw_irq_code_entry):
|
||||
/*
|
||||
* Entry conditions :
|
||||
* Registers already saved : R1, R4
|
||||
* R1 : points to a location with enough room for the
|
||||
* interrupt frame
|
||||
* R4 : vector number
|
||||
*/
|
||||
/*
|
||||
* Save SRR0/SRR1 As soon As possible as it is the minimal needed
|
||||
* to reenable exception processing
|
||||
*/
|
||||
stw r0, GPR0_OFFSET(r1)
|
||||
/* PPC EABI: R2 is reserved (pointer to short data .sdata2) - we won't touch it
|
||||
* but we still save/restore it, just in case...
|
||||
*/
|
||||
stw r2, GPR2_OFFSET(r1)
|
||||
stw r3, GPR3_OFFSET(r1)
|
||||
|
||||
mfsrr0 r0
|
||||
mfsrr1 r3
|
||||
|
||||
stw r0, SRR0_FRAME_OFFSET(r1)
|
||||
stw r3, SRR1_FRAME_OFFSET(r1)
|
||||
|
||||
mfmsr r3
|
||||
/*
|
||||
* Enable data and instruction address translation, exception recovery
|
||||
*
|
||||
* also, on CPUs with FP, enable FP so that FP context can be
|
||||
* saved and restored (using FP instructions)
|
||||
*/
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR
|
||||
#else
|
||||
ori r3, r3, MSR_RI | MSR_FP /* MSR_IR | MSR_DR */
|
||||
#endif
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
* Push C scratch registers on the current stack. It may
|
||||
* actually be the thread stack or the interrupt stack.
|
||||
* Anyway we have to make it in order to be able to call C/C++
|
||||
* functions. Depending on the nesting interrupt level, we will
|
||||
* switch to the right stack later.
|
||||
*/
|
||||
stw r5, GPR5_OFFSET(r1)
|
||||
stw r6, GPR6_OFFSET(r1)
|
||||
stw r7, GPR7_OFFSET(r1)
|
||||
stw r8, GPR8_OFFSET(r1)
|
||||
stw r9, GPR9_OFFSET(r1)
|
||||
stw r10, GPR10_OFFSET(r1)
|
||||
stw r11, GPR11_OFFSET(r1)
|
||||
stw r12, GPR12_OFFSET(r1)
|
||||
stw r13, GPR13_OFFSET(r1)
|
||||
|
||||
mfcr r5
|
||||
mfctr r6
|
||||
mfxer r7
|
||||
mflr r8
|
||||
|
||||
stw r5, EXC_CR_OFFSET(r1)
|
||||
stw r6, EXC_CTR_OFFSET(r1)
|
||||
stw r7, EXC_XER_OFFSET(r1)
|
||||
stw r8, EXC_LR_OFFSET(r1)
|
||||
|
||||
/*
|
||||
* Add some non volatile registers to store information
|
||||
* that will be used when returning from C handler
|
||||
*/
|
||||
stw r14, GPR14_OFFSET(r1)
|
||||
stw r15, GPR15_OFFSET(r1)
|
||||
/*
|
||||
* save current stack pointer location in R14
|
||||
*/
|
||||
addi r14, r1, 0
|
||||
/*
|
||||
* store part of _Thread_Dispatch_disable_level address in R15
|
||||
*/
|
||||
addis r15,0, _Thread_Dispatch_disable_level@ha
|
||||
#if BROKEN_ISR_NEST_LEVEL
|
||||
/*
|
||||
* Get current nesting level in R3
|
||||
*/
|
||||
mfspr r3, SPRG0
|
||||
#else
|
||||
/*
|
||||
* Retrieve current nesting level from _ISR_Nest_level
|
||||
*/
|
||||
lis r7, _ISR_Nest_level@ha
|
||||
lwz r3, _ISR_Nest_level@l(r7)
|
||||
#endif
|
||||
/*
|
||||
* Check if stack switch is necessary
|
||||
*/
|
||||
cmpwi r3,0
|
||||
bne nested
|
||||
mfspr r1, SPRG1
|
||||
|
||||
nested:
|
||||
/*
|
||||
* Start Incrementing nesting level in R3
|
||||
*/
|
||||
addi r3,r3,1
|
||||
/*
|
||||
* Start Incrementing _Thread_Dispatch_disable_level R4 = _Thread_Dispatch_disable_level
|
||||
*/
|
||||
lwz r6,_Thread_Dispatch_disable_level@l(r15)
|
||||
#if BROKEN_ISR_NEST_LEVEL
|
||||
/*
|
||||
* Store new nesting level in SPRG0
|
||||
*/
|
||||
mtspr SPRG0, r3
|
||||
#else
|
||||
/* store new nesting level in _ISR_Nest_level */
|
||||
stw r3, _ISR_Nest_level@l(r7)
|
||||
#endif
|
||||
|
||||
addi r6, r6, 1
|
||||
mfmsr r5
|
||||
/*
|
||||
* store new _Thread_Dispatch_disable_level value
|
||||
*/
|
||||
stw r6, _Thread_Dispatch_disable_level@l(r15)
|
||||
/*
|
||||
* We are now running on the interrupt stack. External and decrementer
|
||||
* exceptions are still disabled. I see no purpose trying to optimize
|
||||
* further assembler code.
|
||||
*/
|
||||
/*
|
||||
* Call C exception handler for decrementer Interrupt frame is passed just
|
||||
* in case...
|
||||
*/
|
||||
addi r3, r14, 0x8
|
||||
bl C_dispatch_irq_handler /* C_dispatch_irq_handler(cpu_interrupt_frame* r3, vector r4) */
|
||||
/*
|
||||
* start decrementing nesting level. Note : do not test result against 0
|
||||
* value as an easy exit condition because if interrupt nesting level > 1
|
||||
* then _Thread_Dispatch_disable_level > 1
|
||||
*/
|
||||
#if BROKEN_ISR_NEST_LEVEL
|
||||
mfspr r4, SPRG0
|
||||
#else
|
||||
lis r7, _ISR_Nest_level@ha
|
||||
lwz r4, _ISR_Nest_level@l(r7)
|
||||
#endif
|
||||
/*
|
||||
* start decrementing _Thread_Dispatch_disable_level
|
||||
*/
|
||||
lwz r3,_Thread_Dispatch_disable_level@l(r15)
|
||||
addi r4, r4, -1 /* Continue decrementing nesting level */
|
||||
addi r3, r3, -1 /* Continue decrementing _Thread_Dispatch_disable_level */
|
||||
#if BROKEN_ISR_NEST_LEVEL
|
||||
mtspr SPRG0, r4 /* End decrementing nesting level */
|
||||
#else
|
||||
stw r4, _ISR_Nest_level@l(r7) /* End decrementing nesting level */
|
||||
#endif
|
||||
stw r3,_Thread_Dispatch_disable_level@l(r15) /* End decrementing _Thread_Dispatch_disable_level */
|
||||
cmpwi r3, 0
|
||||
/*
|
||||
* switch back to original stack (done here just optimize registers
|
||||
* contention. Could have been done before...)
|
||||
*/
|
||||
addi r1, r14, 0
|
||||
bne easy_exit /* if (_Thread_Dispatch_disable_level != 0) goto easy_exit */
|
||||
/*
|
||||
* Here we are running again on the thread system stack.
|
||||
* We have interrupt nesting level = _Thread_Dispatch_disable_level = 0.
|
||||
* Interrupt are still disabled. Time to check if scheduler request to
|
||||
* do something with the current thread...
|
||||
*/
|
||||
addis r4, 0, _Context_Switch_necessary@ha
|
||||
lwz r5, _Context_Switch_necessary@l(r4)
|
||||
cmpwi r5, 0
|
||||
bne switch
|
||||
|
||||
addis r6, 0, _ISR_Signals_to_thread_executing@ha
|
||||
lwz r7, _ISR_Signals_to_thread_executing@l(r6)
|
||||
cmpwi r7, 0
|
||||
li r8, 0
|
||||
beq easy_exit
|
||||
stw r8, _ISR_Signals_to_thread_executing@l(r6)
|
||||
/*
|
||||
* going to call _ThreadProcessSignalsFromIrq
|
||||
* Push a complete exception like frame...
|
||||
*/
|
||||
stmw r16, GPR16_OFFSET(r1)
|
||||
addi r3, r1, 0x8
|
||||
/*
|
||||
* compute SP at exception entry
|
||||
*/
|
||||
addi r4, r1, EXCEPTION_FRAME_END
|
||||
/*
|
||||
* store it at the right place
|
||||
*/
|
||||
stw r4, GPR1_OFFSET(r1)
|
||||
/*
|
||||
* Call High Level signal handling code
|
||||
*/
|
||||
bl _ThreadProcessSignalsFromIrq
|
||||
/*
|
||||
* start restoring exception like frame
|
||||
*/
|
||||
lwz r31, EXC_CTR_OFFSET(r1)
|
||||
lwz r30, EXC_XER_OFFSET(r1)
|
||||
lwz r29, EXC_CR_OFFSET(r1)
|
||||
lwz r28, EXC_LR_OFFSET(r1)
|
||||
|
||||
mtctr r31
|
||||
mtxer r30
|
||||
mtcr r29
|
||||
mtlr r28
|
||||
|
||||
lmw r4, GPR4_OFFSET(r1)
|
||||
lwz r2, GPR2_OFFSET(r1)
|
||||
lwz r0, GPR0_OFFSET(r1)
|
||||
|
||||
/*
|
||||
* Disable data and instruction translation. Make path non recoverable...
|
||||
*/
|
||||
mfmsr r3
|
||||
xori r3, r3, MSR_RI /* | MSR_IR | MSR_DR */
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
* Restore rfi related settings
|
||||
*/
|
||||
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
mtsrr1 r3
|
||||
lwz r3, SRR0_FRAME_OFFSET(r1)
|
||||
mtsrr0 r3
|
||||
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
addi r1,r1, EXCEPTION_FRAME_END
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
switch:
|
||||
bl SYM (_Thread_Dispatch)
|
||||
|
||||
easy_exit:
|
||||
/*
|
||||
* start restoring interrupt frame
|
||||
*/
|
||||
lwz r3, EXC_CTR_OFFSET(r1)
|
||||
lwz r4, EXC_XER_OFFSET(r1)
|
||||
lwz r5, EXC_CR_OFFSET(r1)
|
||||
lwz r6, EXC_LR_OFFSET(r1)
|
||||
|
||||
mtctr r3
|
||||
mtxer r4
|
||||
mtcr r5
|
||||
mtlr r6
|
||||
|
||||
lwz r15, GPR15_OFFSET(r1)
|
||||
lwz r14, GPR14_OFFSET(r1)
|
||||
lwz r13, GPR13_OFFSET(r1)
|
||||
lwz r12, GPR12_OFFSET(r1)
|
||||
lwz r11, GPR11_OFFSET(r1)
|
||||
lwz r10, GPR10_OFFSET(r1)
|
||||
lwz r9, GPR9_OFFSET(r1)
|
||||
lwz r8, GPR8_OFFSET(r1)
|
||||
lwz r7, GPR7_OFFSET(r1)
|
||||
lwz r6, GPR6_OFFSET(r1)
|
||||
lwz r5, GPR5_OFFSET(r1)
|
||||
|
||||
/*
|
||||
* Disable nested exception processing, data and instruction
|
||||
* translation.
|
||||
*/
|
||||
mfmsr r3
|
||||
xori r3, r3, MSR_RI /* | MSR_IR | MSR_DR */
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
* Restore rfi related settings
|
||||
*/
|
||||
|
||||
lwz r4, SRR1_FRAME_OFFSET(r1)
|
||||
lwz r3, SRR0_FRAME_OFFSET(r1)
|
||||
lwz r2, GPR2_OFFSET(r1)
|
||||
lwz r0, GPR0_OFFSET(r1)
|
||||
|
||||
mtsrr1 r4
|
||||
mtsrr0 r3
|
||||
lwz r4, GPR4_OFFSET(r1)
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
addi r1,r1, EXCEPTION_FRAME_END
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
168
c/src/lib/libbsp/powerpc/psim/irq/irq_init.c
Normal file
168
c/src/lib/libbsp/powerpc/psim/irq/irq_init.c
Normal file
@@ -0,0 +1,168 @@
|
||||
/* irq_init.c
|
||||
*
|
||||
* This file contains the implementation of rtems initialization
|
||||
* related to interrupt handling.
|
||||
*
|
||||
* CopyRight (C) 1999 valette@crf.canon.fr
|
||||
*
|
||||
* Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com>
|
||||
* to make it valid for MVME2300 Motorola boards.
|
||||
*
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 12/20/2001:
|
||||
* Use the new interface to openpic_init
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
|
||||
*
|
||||
* irq_init.c,v 1.6.2.5 2003/09/04 18:45:20 joel Exp
|
||||
*/
|
||||
|
||||
#include <libcpu/io.h>
|
||||
#include <libcpu/spr.h>
|
||||
#include <bsp/irq.h>
|
||||
#include <bsp.h>
|
||||
#include <libcpu/raw_exception.h>
|
||||
#include <rtems/bspIo.h>
|
||||
#if 0
|
||||
#include <bsp/pci.h>
|
||||
#include <bsp/residual.h>
|
||||
#include <bsp/openpic.h>
|
||||
#include <bsp/motorola.h>
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
#define SHOW_ISA_PCI_BRIDGE_SETTINGS
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
unsigned char bus; /* few chance the PCI/ISA bridge is not on first bus but ... */
|
||||
unsigned char device;
|
||||
unsigned char function;
|
||||
} pci_isa_bridge_device;
|
||||
|
||||
pci_isa_bridge_device* via_82c586 = 0;
|
||||
|
||||
extern unsigned int external_exception_vector_prolog_code_size[];
|
||||
extern void external_exception_vector_prolog_code();
|
||||
extern unsigned int decrementer_exception_vector_prolog_code_size[];
|
||||
extern void decrementer_exception_vector_prolog_code();
|
||||
|
||||
/*
|
||||
* default on/off function
|
||||
*/
|
||||
static void nop_func(){}
|
||||
/*
|
||||
* default isOn function
|
||||
*/
|
||||
static int not_connected() {return 0;}
|
||||
/*
|
||||
* default possible isOn function
|
||||
*/
|
||||
static int connected() {return 1;}
|
||||
|
||||
static rtems_irq_connect_data rtemsIrq[BSP_IRQ_NUMBER];
|
||||
static rtems_irq_global_settings initial_config;
|
||||
static rtems_irq_connect_data defaultIrq = {
|
||||
/* vectorIdex, hdl , on , off , isOn */
|
||||
0, nop_func , nop_func , nop_func , not_connected
|
||||
};
|
||||
static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
|
||||
/*
|
||||
* actual rpiorities for interrupt :
|
||||
* 0 means that only current interrupt is masked
|
||||
* 255 means all other interrupts are masked
|
||||
*/
|
||||
/*
|
||||
* ISA interrupts.
|
||||
* The second entry has a priority of 255 because
|
||||
* it is the slave pic entry and is should always remain
|
||||
* unmasked.
|
||||
*/
|
||||
0,0,
|
||||
255,
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
/*
|
||||
* PCI Interrupts
|
||||
*/
|
||||
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, /* for raven prio 0 means unactive... */
|
||||
/*
|
||||
* Processor exceptions handled as interrupts
|
||||
*/
|
||||
0
|
||||
};
|
||||
|
||||
void VIA_isa_bridge_interrupts_setup(void)
|
||||
{
|
||||
printk("VIA_isa_bridge_interrupts_setup - Shouldn't get here!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* This code assumes the exceptions management setup has already
|
||||
* been done. We just need to replace the exceptions that will
|
||||
* be handled like interrupt. On mcp750/mpc750 and many PPC processors
|
||||
* this means the decrementer exception and the external exception.
|
||||
*/
|
||||
void BSP_rtems_irq_mng_init(unsigned cpuId)
|
||||
{
|
||||
rtems_raw_except_connect_data vectorDesc;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* First initialize the Interrupt management hardware
|
||||
*/
|
||||
|
||||
/*
|
||||
* Initialize Rtems management interrupt table
|
||||
*/
|
||||
/*
|
||||
* re-init the rtemsIrq table
|
||||
*/
|
||||
for (i = 0; i < BSP_IRQ_NUMBER; i++) {
|
||||
rtemsIrq[i] = defaultIrq;
|
||||
rtemsIrq[i].name = i;
|
||||
}
|
||||
/*
|
||||
* Init initial Interrupt management config
|
||||
*/
|
||||
initial_config.irqNb = BSP_IRQ_NUMBER;
|
||||
initial_config.defaultEntry = defaultIrq;
|
||||
initial_config.irqHdlTbl = rtemsIrq;
|
||||
initial_config.irqBase = BSP_ASM_IRQ_VECTOR_BASE;
|
||||
initial_config.irqPrioTbl = irqPrioTable;
|
||||
|
||||
if (!BSP_rtems_irq_mngt_set(&initial_config)) {
|
||||
/*
|
||||
* put something here that will show the failure...
|
||||
*/
|
||||
BSP_panic("Unable to initialize RTEMS interrupt Management!!! System locked\n");
|
||||
}
|
||||
|
||||
/*
|
||||
* We must connect the raw irq handler for the two
|
||||
* expected interrupt sources : decrementer and external interrupts.
|
||||
*/
|
||||
vectorDesc.exceptIndex = ASM_DEC_VECTOR;
|
||||
vectorDesc.hdl.vector = ASM_DEC_VECTOR;
|
||||
vectorDesc.hdl.raw_hdl = decrementer_exception_vector_prolog_code;
|
||||
vectorDesc.hdl.raw_hdl_size = (unsigned) decrementer_exception_vector_prolog_code_size;
|
||||
vectorDesc.on = nop_func;
|
||||
vectorDesc.off = nop_func;
|
||||
vectorDesc.isOn = connected;
|
||||
if (!mpc60x_set_exception (&vectorDesc)) {
|
||||
BSP_panic("Unable to initialize RTEMS decrementer raw exception\n");
|
||||
}
|
||||
vectorDesc.exceptIndex = ASM_EXT_VECTOR;
|
||||
vectorDesc.hdl.vector = ASM_EXT_VECTOR;
|
||||
vectorDesc.hdl.raw_hdl = external_exception_vector_prolog_code;
|
||||
vectorDesc.hdl.raw_hdl_size = (unsigned) external_exception_vector_prolog_code_size;
|
||||
if (!mpc60x_set_exception (&vectorDesc)) {
|
||||
BSP_panic("Unable to initialize RTEMS external raw exception\n");
|
||||
}
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("RTEMS IRQ management is now operationnal\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
@@ -2,7 +2,9 @@
|
||||
## $Id$
|
||||
##
|
||||
|
||||
S_FILES = start.S
|
||||
VPATH = @srcdir@:@srcdir@/../../shared/start
|
||||
|
||||
S_FILES = start.S rtems_crti.S
|
||||
S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
OBJS = $(S_O_FILES)
|
||||
@@ -13,20 +15,22 @@ include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
install-data-local: $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).$(OBJEXT)
|
||||
@$(mkinstalldirs) $(DESTDIR)$(bsplibdir)
|
||||
$(INSTALL_DATA) $< $(DESTDIR)$(bsplibdir)
|
||||
bsplib_DATA = $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).$(OBJEXT)
|
||||
bsplib_DATA += $(PROJECT_RELEASE)/lib/rtems_crti.$(OBJEXT)
|
||||
|
||||
$(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).$(OBJEXT): $(ARCH)/start.$(OBJEXT)
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
$(PROJECT_RELEASE)/lib/rtems_crti.$(OBJEXT): $(ARCH)/rtems_crti.$(OBJEXT)
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).$(OBJEXT)
|
||||
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/rtems_crti.$(OBJEXT)
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(ARCH)/start.$(OBJEXT) $(TMPINSTALL_FILES)
|
||||
all-local: $(ARCH) $(OBJS) $(ARCH)/start.$(OBJEXT) $(ARCH)/rtems_crti.$(OBJEXT) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(ARCH)/start.$(OBJEXT)
|
||||
$(OBJS): $(ARCH)
|
||||
|
||||
EXTRA_DIST = start.S
|
||||
.PRECIOUS: $(ARCH)/start.$(OBJEXT) $(ARCH)/rtems_crti.$(OBJEXT)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
@@ -17,6 +17,9 @@
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <asm.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <libcpu/io.h>
|
||||
#include "ppc-asm.h"
|
||||
|
||||
.file "startsim.s"
|
||||
@@ -53,9 +56,14 @@ FUNC_NAME(__atexit): /* tell C's eabi-ctor's we have an atexit function */
|
||||
.Lptr:
|
||||
.long .LCTOC1-.Laddr
|
||||
|
||||
.globl __rtems_entry_point
|
||||
.type __rtems_entry_point,@function
|
||||
__rtems_entry_point:
|
||||
#if 1
|
||||
.globl _start
|
||||
.type _start,@function
|
||||
_start:
|
||||
#endif
|
||||
bl .Laddr /* get current address */
|
||||
.Laddr:
|
||||
mflr r4 /* real address of .Laddr */
|
||||
@@ -64,6 +72,7 @@ _start:
|
||||
lwz r4,.Ltable(r5) /* get linker's idea of where .Laddr is */
|
||||
subf r4,r4,r5 /* calculate difference between where linked and current */
|
||||
|
||||
bl __eabi /* setup EABI and SYSV environment */
|
||||
/* clear bss */
|
||||
lwz r6,.Lbss_start(r5) /* calculate beginning of the BSS */
|
||||
lwz r7,.Lend(r5) /* calculate end of the BSS */
|
||||
@@ -100,6 +109,7 @@ _start:
|
||||
la r5,environ@l(r5) /* environp */
|
||||
li r4, 0 /* argv */
|
||||
li r3, 0 /* argc */
|
||||
|
||||
/* Let her rip */
|
||||
bl FUNC_NAME(boot_card)
|
||||
|
||||
|
||||
@@ -8,7 +8,7 @@ VPATH = @srcdir@:@srcdir@/../../../shared
|
||||
PGM = $(ARCH)/startup.rel
|
||||
|
||||
C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c bootcard.c main.c sbrk.c \
|
||||
setvec.c gnatinstallhandler.c
|
||||
gnatinstallhandler.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
OBJS = $(C_O_FILES)
|
||||
@@ -38,6 +38,6 @@ all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
|
||||
EXTRA_DIST = bspclean.c bspstart.c device-tree linkcmds setvec.c
|
||||
EXTRA_DIST = bspclean.c bspstart.c device-tree linkcmds
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
@@ -16,37 +16,85 @@
|
||||
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bsp/irq.h>
|
||||
#include <rtems/libio.h>
|
||||
#include <rtems/libcsupport.h>
|
||||
#include <rtems/bspIo.h>
|
||||
#include <libcpu/cpuIdent.h>
|
||||
#include <libcpu/spr.h>
|
||||
|
||||
SPR_RW(SPRG0)
|
||||
SPR_RW(SPRG1)
|
||||
|
||||
|
||||
extern unsigned long __rtems_end[];
|
||||
|
||||
void initialize_exceptions(void);
|
||||
|
||||
/* On psim, each click of the decrementer register corresponds
|
||||
* to 1 instruction. By setting this to 100, we are indicating
|
||||
* that we are assuming it can execute 100 instructions per
|
||||
* microsecond. This corresponds to sustaining 1 instruction
|
||||
* per cycle at 100 Mhz. Whether this is a good guess or not
|
||||
* is anyone's guess.
|
||||
*/
|
||||
|
||||
extern int PSIM_INSTRUCTIONS_PER_MICROSECOND;
|
||||
|
||||
/*
|
||||
* The original table from the application and our copy of it with
|
||||
* some changes.
|
||||
*/
|
||||
|
||||
|
||||
extern rtems_configuration_table Configuration;
|
||||
rtems_configuration_table BSP_Configuration;
|
||||
|
||||
rtems_cpu_table Cpu_table;
|
||||
rtems_unsigned32 bsp_isr_level;
|
||||
|
||||
/*
|
||||
* Tells us where to put the workspace in case remote debugger is present.
|
||||
*/
|
||||
|
||||
#if 0
|
||||
extern rtems_unsigned32 rdb_start;
|
||||
extern uint32_t rdb_start;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PCI Bus Frequency
|
||||
*/
|
||||
unsigned int BSP_bus_frequency;
|
||||
/*
|
||||
* * Time base divisior (how many tick for 1 second).
|
||||
* */
|
||||
unsigned int BSP_time_base_divisor;
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Use the shared implementations of the following routines
|
||||
*/
|
||||
|
||||
|
||||
void bsp_postdriver_hook(void);
|
||||
void bsp_libc_init( void *, unsigned32, int );
|
||||
void bsp_libc_init( void *, uint32_t, int );
|
||||
|
||||
/*
|
||||
* system init stack and soft ir stack size
|
||||
*/
|
||||
#define INIT_STACK_SIZE 0x1000
|
||||
#define INTR_STACK_SIZE CONFIGURE_INTERRUPT_STACK_MEMORY
|
||||
|
||||
|
||||
void BSP_panic(char *s)
|
||||
{
|
||||
printk("%s PANIC %s\n",_RTEMS_version, s);
|
||||
__asm__ __volatile ("sc");
|
||||
}
|
||||
|
||||
void _BSP_Fatal_error(unsigned int v)
|
||||
{
|
||||
printk("%s PANIC ERROR %x\n",_RTEMS_version, v);
|
||||
__asm__ __volatile ("sc");
|
||||
}
|
||||
|
||||
/*
|
||||
* bsp_pretasking_hook
|
||||
@@ -58,10 +106,10 @@ void bsp_libc_init( void *, unsigned32, int );
|
||||
void bsp_pretasking_hook(void)
|
||||
{
|
||||
extern int end;
|
||||
rtems_unsigned32 heap_start;
|
||||
rtems_unsigned32 heap_size;
|
||||
uint32_t heap_start;
|
||||
uint32_t heap_size;
|
||||
|
||||
heap_start = (rtems_unsigned32) &end;
|
||||
heap_start = (uint32_t) &end;
|
||||
if (heap_start & (CPU_ALIGNMENT-1))
|
||||
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
|
||||
|
||||
@@ -84,16 +132,14 @@ void bsp_pretasking_hook(void)
|
||||
|
||||
void bsp_start( void )
|
||||
{
|
||||
unsigned char *work_space_start;
|
||||
unsigned char *work_space_start;
|
||||
register uint32_t intrStack;
|
||||
register uint32_t *intrStackPtr;
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* Set MSR to show vectors at 0 XXX
|
||||
/*
|
||||
* Note we can not get CPU identification dynamically, so force current_ppc_cpu.
|
||||
*/
|
||||
_CPU_MSR_Value( msr_value );
|
||||
msr_value &= ~PPC_MSR_EP;
|
||||
_CPU_MSR_SET( msr_value );
|
||||
#endif
|
||||
current_ppc_cpu = PPC_PSIM;
|
||||
|
||||
/*
|
||||
* Set up our hooks
|
||||
@@ -118,15 +164,18 @@ void bsp_start( void )
|
||||
|
||||
Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
|
||||
|
||||
BSP_bus_frequency = (unsigned int)&PSIM_INSTRUCTIONS_PER_MICROSECOND;
|
||||
BSP_time_base_divisor = 1;
|
||||
|
||||
/*
|
||||
* The monitor likes the exception table to be at 0x0.
|
||||
* The simulator likes the exception table to be at 0xfff00000.
|
||||
*/
|
||||
|
||||
Cpu_table.exceptions_in_RAM = TRUE;
|
||||
Cpu_table.exceptions_in_RAM = FALSE;
|
||||
|
||||
BSP_Configuration.work_space_size += 1024;
|
||||
|
||||
work_space_start =
|
||||
work_space_start =
|
||||
(unsigned char *)&RAM_END - BSP_Configuration.work_space_size;
|
||||
|
||||
if ( work_space_start <= (unsigned char *)&end ) {
|
||||
@@ -136,4 +185,36 @@ void bsp_start( void )
|
||||
|
||||
BSP_Configuration.work_space_start = work_space_start;
|
||||
|
||||
/*
|
||||
* Initialize the interrupt related settings
|
||||
* SPRG1 = software managed IRQ stack
|
||||
*
|
||||
* This could be done latter (e.g in IRQ_INIT) but it helps to understand
|
||||
* some settings below...
|
||||
*/
|
||||
intrStack = ((uint32_t) __rtems_end) +
|
||||
INIT_STACK_SIZE + INTR_STACK_SIZE - CPU_MINIMUM_STACK_FRAME_SIZE;
|
||||
|
||||
/* make sure it's properly aligned */
|
||||
intrStack &= ~(CPU_STACK_ALIGNMENT-1);
|
||||
|
||||
/* tag the bottom (T. Straumann 6/36/2001 <strauman@slac.stanford.edu>) */
|
||||
intrStackPtr = (uint32_t*) intrStack;
|
||||
*intrStackPtr = 0;
|
||||
|
||||
_write_SPRG1(intrStack);
|
||||
|
||||
/* signal them that we have fixed PR288 - eventually, this should go away */
|
||||
_write_SPRG0(PPC_BSP_HAS_FIXED_PR288);
|
||||
|
||||
/*
|
||||
* Initialize default raw exception hanlders. See vectors/vectors_init.c
|
||||
*/
|
||||
initialize_exceptions();
|
||||
|
||||
/*
|
||||
* Initalize RTEMS IRQ system
|
||||
*/
|
||||
BSP_rtems_irq_mng_init(0);
|
||||
|
||||
}
|
||||
|
||||
@@ -16,7 +16,7 @@ OUTPUT_ARCH(powerpc)
|
||||
ENTRY(_start)
|
||||
/* Do we need any of these for elf?
|
||||
__DYNAMIC = 0; */
|
||||
PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 100);
|
||||
PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000); /* 100); */
|
||||
PROVIDE (CPU_PPC_CLICKS_PER_MS = 16667);
|
||||
MEMORY
|
||||
{
|
||||
@@ -26,10 +26,10 @@ MEMORY
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
.vectors 0xFFF00100 :
|
||||
.entry_point_section :
|
||||
{
|
||||
*(.vectors)
|
||||
} >EPROM
|
||||
*(.entry_point_section)
|
||||
} > EPROM
|
||||
|
||||
/* Read-only sections, merged into text segment: */
|
||||
/* . = 0x40000 + SIZEOF_HEADERS; */
|
||||
@@ -74,8 +74,15 @@ SECTIONS
|
||||
/* .gnu.warning sections are handled specially by elf32.em. */
|
||||
*(.gnu.warning)
|
||||
} >RAM
|
||||
.init : { _init = .; __init = .; *(.init) } >RAM
|
||||
.fini : { _fini = .; __fini = .; *(.fini) } >RAM
|
||||
.init :
|
||||
{
|
||||
KEEP (*(.init))
|
||||
} >RAM =0
|
||||
.fini :
|
||||
{
|
||||
_fini = .;
|
||||
KEEP (*(.fini))
|
||||
} >RAM =0
|
||||
.rodata : { *(.rodata*) *(.gnu.linkonce.r*) } >RAM
|
||||
.rodata1 : { *(.rodata1) } >RAM
|
||||
.eh_frame : { *.(eh_frame) } >RAM
|
||||
@@ -143,6 +150,8 @@ SECTIONS
|
||||
PROVIDE (_GOT_END_ = .);
|
||||
PROVIDE (__GOT_END__ = .);
|
||||
|
||||
.jcr : { KEEP (*(.jcr)) } > RAM
|
||||
|
||||
/* We want the small data sections together, so single-instruction offsets
|
||||
can access them all, and initialized data all before uninitialized, so
|
||||
we can shorten the on-disk segment size. */
|
||||
@@ -170,6 +179,7 @@ SECTIONS
|
||||
*(COMMON)
|
||||
} >RAM
|
||||
. = ALIGN(8) + 0x8000;
|
||||
__rtems_end = . ;
|
||||
PROVIDE(__stack = .);
|
||||
PROVIDE(_end = .);
|
||||
PROVIDE(end = .);
|
||||
|
||||
@@ -3,12 +3,17 @@
|
||||
##
|
||||
|
||||
|
||||
PGM = $(ARCH)/vectors.rel
|
||||
VPATH = @srcdir@:@srcdir@/../console:@srcdir@/../../shared/vectors
|
||||
|
||||
S_FILES = align_h.S vectors.S
|
||||
C_FILES = vectors_init.c
|
||||
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
H_FILES = ../../shared/vectors/vectors.h
|
||||
|
||||
S_FILES = vectors.S
|
||||
S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.$(OBJEXT))
|
||||
|
||||
OBJS = $(S_O_FILES)
|
||||
OBJS = $(S_O_FILES) $(C_O_FILES)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/compile.am
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
@@ -20,12 +25,20 @@ include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
$(PGM): $(OBJS)
|
||||
$(make-rel)
|
||||
|
||||
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
|
||||
include_bspdir = $(includedir)/bsp
|
||||
include_bsp_HEADERS = ../../shared/vectors/vectors.h
|
||||
|
||||
all-local: $(ARCH) $(OBJS) $(PGM)
|
||||
$(PROJECT_INCLUDE)/bsp:
|
||||
$(mkinstalldirs) $@
|
||||
|
||||
.PRECIOUS: $(PGM)
|
||||
$(PROJECT_INCLUDE)/bsp/vectors.h: ../../shared/vectors/vectors.h
|
||||
$(INSTALL_DATA) $< $@
|
||||
|
||||
EXTRA_DIST = README align_h.S vectors.S
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bsp
|
||||
TMPINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/vectors.h
|
||||
|
||||
all-local: $(ARCH) $(TMPINSTALL_FILES) $(OBJS)
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/force-preinstall.am
|
||||
include $(top_srcdir)/../../../../../../automake/local.am
|
||||
|
||||
@@ -1,123 +1,164 @@
|
||||
/* vectors.s 1.1 - 95/12/04
|
||||
/*
|
||||
* (c) 1999, Eric Valette valette@crf.canon.fr
|
||||
*
|
||||
*
|
||||
* This file contains the assembly code for the PowerPC
|
||||
* interrupt vectors for RTEMS.
|
||||
* exception veneers for RTEMS.
|
||||
*
|
||||
* COPYRIGHT (c) 1989-1999.
|
||||
* On-Line Applications Research Corporation (OAR).
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.com/license/LICENSE.
|
||||
*
|
||||
* $Id$
|
||||
* vectors.S,v 1.3.4.1 2003/02/20 21:48:25 joel Exp
|
||||
*/
|
||||
|
||||
|
||||
|
||||
#include <asm.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <bsp/vectors.h>
|
||||
|
||||
|
||||
#define SYNC \
|
||||
sync; \
|
||||
isync
|
||||
|
||||
PUBLIC_VAR (__rtems_start)
|
||||
.section .entry_point_section,"awx",@progbits
|
||||
/*
|
||||
* The issue with this file is getting it loaded at the right place.
|
||||
* The first vector MUST be at address 0x????0100.
|
||||
* How this is achieved is dependant on the tool chain.
|
||||
*
|
||||
* However the basic mechanism for ELF assemblers is to create a
|
||||
* section called ".vectors", which will be loaded to an address
|
||||
* between 0x????0000 and 0x????0100 (inclusive) via a link script.
|
||||
*
|
||||
* The basic mechanism for XCOFF assemblers is to place it in the
|
||||
* normal text section, and arrange for this file to be located
|
||||
* at an appropriate position on the linker command line.
|
||||
*
|
||||
* The variable 'PPC_VECTOR_FILE_BASE' must be defined to be the
|
||||
* offset from 0x????0000 to the first location in the file. This
|
||||
* will usually be 0x0000 or 0x0100.
|
||||
* Entry point information used by bootloader code
|
||||
*/
|
||||
SYM (__rtems_start):
|
||||
.long __rtems_entry_point
|
||||
|
||||
#include <bsp.h>
|
||||
#include "asm.h"
|
||||
|
||||
#ifndef PPC_VECTOR_FILE_BASE
|
||||
#error "PPC_VECTOR_FILE_BASE is not defined."
|
||||
#endif
|
||||
|
||||
/* Where this file will be loaded */
|
||||
.set file_base, PPC_VECTOR_FILE_BASE
|
||||
|
||||
/* Offset to store reg 0 */
|
||||
|
||||
.set IP_LINK, 0
|
||||
#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)
|
||||
.set IP_0, (IP_LINK + 56)
|
||||
#else
|
||||
.set IP_0, (IP_LINK + 8)
|
||||
#endif
|
||||
.set IP_2, (IP_0 + 4)
|
||||
|
||||
.set IP_3, (IP_2 + 4)
|
||||
.set IP_4, (IP_3 + 4)
|
||||
.set IP_5, (IP_4 + 4)
|
||||
.set IP_6, (IP_5 + 4)
|
||||
/*
|
||||
* end of special Entry point section
|
||||
*/
|
||||
.text
|
||||
.p2align 5
|
||||
|
||||
PUBLIC_VAR(default_exception_vector_code_prolog)
|
||||
SYM (default_exception_vector_code_prolog):
|
||||
/*
|
||||
* let room for exception frame
|
||||
*/
|
||||
stwu r1, - (EXCEPTION_FRAME_END)(r1)
|
||||
stw r3, GPR3_OFFSET(r1)
|
||||
/* R2 should never change (EABI: pointer to .sdata2) - we
|
||||
* save it nevertheless..
|
||||
*/
|
||||
stw r2, GPR2_OFFSET(r1)
|
||||
mflr r3
|
||||
stw r3, EXC_LR_OFFSET(r1)
|
||||
bl 0f
|
||||
0: /*
|
||||
* r3 = exception vector entry point
|
||||
* (256 * vector number) + few instructions
|
||||
*/
|
||||
mflr r3
|
||||
/*
|
||||
* r3 = r3 >> 8 = vector
|
||||
*/
|
||||
srwi r3,r3,8
|
||||
ba push_normalized_frame
|
||||
|
||||
.set IP_7, (IP_6 + 4)
|
||||
.set IP_8, (IP_7 + 4)
|
||||
.set IP_9, (IP_8 + 4)
|
||||
.set IP_10, (IP_9 + 4)
|
||||
PUBLIC_VAR (default_exception_vector_code_prolog_size)
|
||||
|
||||
.set IP_11, (IP_10 + 4)
|
||||
.set IP_12, (IP_11 + 4)
|
||||
.set IP_13, (IP_12 + 4)
|
||||
.set IP_28, (IP_13 + 4)
|
||||
default_exception_vector_code_prolog_size= . - default_exception_vector_code_prolog
|
||||
|
||||
.set IP_29, (IP_28 + 4)
|
||||
.set IP_30, (IP_29 + 4)
|
||||
.set IP_31, (IP_30 + 4)
|
||||
.set IP_CR, (IP_31 + 4)
|
||||
|
||||
.set IP_CTR, (IP_CR + 4)
|
||||
.set IP_XER, (IP_CTR + 4)
|
||||
.set IP_LR, (IP_XER + 4)
|
||||
.set IP_PC, (IP_LR + 4)
|
||||
|
||||
.set IP_MSR, (IP_PC + 4)
|
||||
|
||||
.set IP_END, (IP_MSR + 16)
|
||||
.p2align 5
|
||||
PUBLIC_VAR (push_normalized_frame)
|
||||
SYM (push_normalized_frame):
|
||||
stw r3, EXCEPTION_NUMBER_OFFSET(r1)
|
||||
stw r0, GPR0_OFFSET(r1)
|
||||
mfsrr0 r3
|
||||
stw r3, SRR0_FRAME_OFFSET(r1)
|
||||
mfsrr1 r3
|
||||
stw r3, SRR1_FRAME_OFFSET(r1)
|
||||
/*
|
||||
* Save general purpose registers
|
||||
* Already saved in prolog : R1, R2, R3, LR.
|
||||
* Saved a few line above : R0
|
||||
*
|
||||
* Manual says that "stmw" instruction may be slower than
|
||||
* series of individual "stw" but who cares about performance
|
||||
* for the DEFAULT exception handler?
|
||||
*/
|
||||
stmw r4, GPR4_OFFSET(r1) /* save R4->R31 */
|
||||
|
||||
/* Vector offsets */
|
||||
.set begin_vector,0xFFF00000
|
||||
.set crit_vector,0xFFF00100
|
||||
.set mach_vector,0xFFF00200
|
||||
.set prot_vector,0xFFF00300
|
||||
.set ext_vector,0xFFF00500
|
||||
.set align_vector,0xFFF00600
|
||||
.set prog_vector,0xFFF00700
|
||||
.set dec_vector,0xFFF00900
|
||||
.set sys_vector,0xFFF00C00
|
||||
.set pit_vector,0xFFF01000
|
||||
.set fit_vector,0xFFF01010
|
||||
.set wadt_vector,0xFFF01020
|
||||
.set debug_vector,0xFFF02000
|
||||
|
||||
/* Go to the right section */
|
||||
#if PPC_ASM == PPC_ASM_ELF
|
||||
.section .vectors,"awx",@progbits
|
||||
#elif PPC_ASM == PPC_ASM_XCOFF
|
||||
.csect .text[PR]
|
||||
#endif
|
||||
|
||||
PUBLIC_VAR (__vectors)
|
||||
SYM (__vectors):
|
||||
mfcr r31
|
||||
stw r31, EXC_CR_OFFSET(r1)
|
||||
mfctr r30
|
||||
stw r30, EXC_CTR_OFFSET(r1)
|
||||
mfxer r28
|
||||
stw r28, EXC_XER_OFFSET(r1)
|
||||
mfmsr r28
|
||||
stw r28, EXC_MSR_OFFSET(r1)
|
||||
mfdar r28
|
||||
stw r28, EXC_DAR_OFFSET(r1)
|
||||
/*
|
||||
* compute SP at exception entry
|
||||
*/
|
||||
addi r3, r1, EXCEPTION_FRAME_END
|
||||
/*
|
||||
* store it at the right place
|
||||
*/
|
||||
stw r3, GPR1_OFFSET(r1)
|
||||
/*
|
||||
* Enable data and instruction address translation, exception nesting
|
||||
*/
|
||||
mfmsr r3
|
||||
ori r3,r3, MSR_RI /* | MSR_IR | MSR_DR */
|
||||
mtmsr r3
|
||||
SYNC
|
||||
|
||||
/* Decrementer interrupt */
|
||||
.org dec_vector - file_base
|
||||
#if (PPC_ABI == PPC_ABI_POWEROPEN || PPC_ABI == PPC_ABI_GCC27)
|
||||
#if (PPC_HAS_FPU)
|
||||
stwu r1, -(20*4 + 18*8 + IP_END)(r1)
|
||||
#else
|
||||
stwu r1, -(20*4 + IP_END)(r1)
|
||||
#endif
|
||||
#else
|
||||
stwu r1, -(IP_END)(r1)
|
||||
#endif
|
||||
stw r0, IP_0(r1)
|
||||
/*
|
||||
* Call C exception handler
|
||||
*/
|
||||
/*
|
||||
* store the execption frame address in r3 (first param)
|
||||
*/
|
||||
addi r3, r1, 0x8
|
||||
/*
|
||||
* globalExceptHdl(r3)
|
||||
*/
|
||||
addis r4, 0, globalExceptHdl@ha
|
||||
lwz r5, globalExceptHdl@l(r4)
|
||||
mtlr r5
|
||||
blrl
|
||||
/*
|
||||
* Restore registers status
|
||||
*/
|
||||
lwz r31, EXC_CR_OFFSET(r1)
|
||||
mtcr r31
|
||||
lwz r30, EXC_CTR_OFFSET(r1)
|
||||
mtctr r30
|
||||
lwz r29, EXC_LR_OFFSET(r1)
|
||||
mtlr r29
|
||||
lwz r28, EXC_XER_OFFSET(r1)
|
||||
mtxer r28
|
||||
|
||||
li r0, PPC_IRQ_DECREMENTER
|
||||
b PROC (_ISR_Handler)
|
||||
lmw r4, GPR4_OFFSET(r1)
|
||||
lwz r2, GPR2_OFFSET(r1)
|
||||
lwz r0, GPR0_OFFSET(r1)
|
||||
|
||||
/*
|
||||
* Disable data and instruction translation. Make path non recoverable...
|
||||
*/
|
||||
mfmsr r3
|
||||
xori r3, r3, MSR_RI | MSR_IR | MSR_DR
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
* Restore rfi related settings
|
||||
*/
|
||||
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
mtsrr1 r3
|
||||
lwz r3, SRR0_FRAME_OFFSET(r1)
|
||||
mtsrr0 r3
|
||||
|
||||
lwz r3, GPR3_OFFSET(r1)
|
||||
/* DONT add back the frame size but reload the value
|
||||
* stored in the frame -- maybe the exception handler
|
||||
* changed it with good reason (e.g., gdb pushed a dummy frame)
|
||||
*/
|
||||
lwz r1, GPR1_OFFSET(r1)
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
@@ -2,25 +2,28 @@
|
||||
## $Id$
|
||||
##
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/compile.am
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
if HAS_MP
|
||||
BSP_MP_O_FILES = shmsupp
|
||||
endif
|
||||
BSP_PIECES = startup clock console irq vectors $(BSP_MP_O_FILES)
|
||||
|
||||
if HAS_MP
|
||||
GENERIC_MP_REL_PIECES = shmdr
|
||||
GENERIC_MP_REL_FILES = shmdr
|
||||
endif
|
||||
GENERIC_PIECES = $(GENERIC_MP_REL_PIECES)
|
||||
|
||||
if HAS_MP
|
||||
BSP_MP_O_PIECES = shmsupp
|
||||
endif
|
||||
BSP_PIECES = startup clock console timer vectors $(BSP_MP_O_PIECES)
|
||||
GENERIC_FILES = $(GENERIC_MP_REL_FILES)
|
||||
|
||||
# bummer; have to use $foreach since % pattern subst rules only replace 1x
|
||||
OBJS = $(foreach piece, $(BSP_PIECES), $(wildcard ../$(piece)/$(ARCH)/*.$(OBJEXT))) \
|
||||
OBJS = $(foreach piece, $(BSP_PIECES), ../$(piece)/$(ARCH)/*.$(OBJEXT)) \
|
||||
$(foreach piece, $(GENERIC_FILES), ../../../$(piece)/$(ARCH)/$(piece).rel) \
|
||||
$(wildcard ../../../../libcpu/$(RTEMS_CPU)/shared/*/$(ARCH)/*.$(OBJEXT)) \
|
||||
$(wildcard ../../../../libcpu/$(RTEMS_CPU)/mpc6xx/*/$(ARCH)/*.$(OBJEXT)) \
|
||||
../@exceptions@/$(ARCH)/rtems-cpu.rel \
|
||||
$(foreach piece, $(GENERIC_PIECES), ../../../$(piece)/$(ARCH)/$(piece).rel)
|
||||
$(wildcard ../../../../libcpu/$(RTEMS_CPU)/$(RTEMS_CPU_MODEL)/*/$(ARCH)/*.$(OBJEXT))
|
||||
LIB = $(ARCH)/libbsp.a
|
||||
|
||||
include $(top_srcdir)/../../../../../../automake/compile.am
|
||||
include $(top_srcdir)/../../../../../../automake/lib.am
|
||||
|
||||
#
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
@@ -1,3 +1,10 @@
|
||||
2005-04-11 Jennifer Averett<jennifer.averett@oarcorp.com>
|
||||
|
||||
PR 778/bsps
|
||||
* include/bsp.h, include/gen2.h, startup/FPGA.c, startup/Hwr_init.c,
|
||||
startup/bspstart.c, tod/tod.c:
|
||||
modify SCORE_.. to BSP_.. for externally used define's.
|
||||
|
||||
2003-09-04 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* PCI_bus/PCI.h, clock/clock.c, console/85c30.c, console/85c30.h,
|
||||
|
||||
@@ -69,7 +69,10 @@ extern "C" {
|
||||
|
||||
#define Initialize_Board_ctrl_register() \
|
||||
*SCORE603E_BOARD_CTRL_REG = (*SCORE603E_BOARD_CTRL_REG | \
|
||||
SCORE603E_BRD_FLASH_DISABLE_MASK) \
|
||||
SCORE603E_BRD_FLASH_DISABLE_MASK)
|
||||
|
||||
#define Processor_Synchronize() \
|
||||
asm(" eieio ")
|
||||
|
||||
/*
|
||||
* Define the time limits for RTEMS Test Suite test durations.
|
||||
@@ -249,6 +252,9 @@ unsigned int SCORE603e_FLASH_Enable_writes(
|
||||
rtems_unsigned32 area /* Unused */
|
||||
);
|
||||
|
||||
#define BSP_FLASH_ENABLE_WRITES( _area) SCORE603e_FLASH_Enable_writes( _area )
|
||||
#define BSP_FLASH_DISABLE_WRITES(_area) SCORE603e_FLASH_Disable( _area )
|
||||
|
||||
#define Convert_Endian_32( _data ) \
|
||||
( ((_data&0x000000ff)<<24) | ((_data&0x0000ff00)<<8) | \
|
||||
((_data&0x00ff0000)>>8) | ((_data&0xff000000)>>24) )
|
||||
|
||||
@@ -25,7 +25,7 @@ extern "C" {
|
||||
* ISA/PCI I/O space.
|
||||
*/
|
||||
#define SCORE603E_VME_JUMPER_ADDR 0x00e20000
|
||||
#define SCORE603E_FLASH_BASE_ADDR 0x04000000
|
||||
#define BSP_FLASH_BASE 0x04000000
|
||||
#define SCORE603E_ISA_PCI_IO_BASE 0x80000000
|
||||
#define SCORE603E_TIMER_PORT_C 0xfd000000
|
||||
#define SCORE603E_TIMER_INT_ACK 0xfd000000
|
||||
@@ -47,62 +47,61 @@ extern "C" {
|
||||
/*
|
||||
* PSC8 - PMC Card
|
||||
*/
|
||||
#define SCORE603E_PCI_CONFIGURATION_BASE 0x80800000
|
||||
#define SCORE603E_PMC_BASE SCORE603E_PCI_CONFIGURATION_BASE
|
||||
#define SCORE603E_PCI_PMC_DEVICE_BASE 0x80808000
|
||||
#define BSP_PCI_CONFIGURATION_BASE 0x80800000
|
||||
#define BSP_PMC_BASE BSP_PCI_CONFIGURATION_BASE
|
||||
#define BSP_PCI_PMC_DEVICE_BASE 0x80808000
|
||||
|
||||
#define SCORE603E_PCI_REGISTER_BASE 0xfc000000
|
||||
#define BSP_PCI_REGISTER_BASE 0xfc000000
|
||||
|
||||
#define SCORE603E_PCI_DEVICE_ADDRESS( _offset) \
|
||||
((volatile rtems_unsigned32 *)( SCORE603E_PCI_PMC_DEVICE_BASE + _offset ))
|
||||
|
||||
#define BSP_PCI_DEVICE_ADDRESS( _offset) \
|
||||
((volatile rtems_unsigned32 *)( BSP_PCI_PMC_DEVICE_BASE + _offset ))
|
||||
|
||||
#define SCORE603E_PMC_SERIAL_ADDRESS( _offset ) \
|
||||
((volatile rtems_unsigned8 *)(SCORE603E_PCI_REGISTER_BASE + _offset))
|
||||
|
||||
#define BSP_PMC_SERIAL_ADDRESS( _offset ) \
|
||||
((volatile rtems_unsigned8 *)(BSP_PCI_REGISTER_BASE + _offset))
|
||||
|
||||
/*
|
||||
* PMC serial channels - (4-7: 232 and 8-11: 422)
|
||||
*/
|
||||
#define SCORE603E_85C30_CTRL_4 SCORE603E_PMC_SERIAL_ADDRESS(0x200020)
|
||||
#define SCORE603E_85C30_DATA_4 SCORE603E_PMC_SERIAL_ADDRESS(0x200024)
|
||||
#define SCORE603E_85C30_CTRL_5 SCORE603E_PMC_SERIAL_ADDRESS(0x200028)
|
||||
#define SCORE603E_85C30_DATA_5 SCORE603E_PMC_SERIAL_ADDRESS(0x20002c)
|
||||
#define SCORE603E_85C30_CTRL_6 SCORE603E_PMC_SERIAL_ADDRESS(0x200030)
|
||||
#define SCORE603E_85C30_DATA_6 SCORE603E_PMC_SERIAL_ADDRESS(0x200034)
|
||||
#define SCORE603E_85C30_CTRL_7 SCORE603E_PMC_SERIAL_ADDRESS(0x200038)
|
||||
#define SCORE603E_85C30_DATA_7 SCORE603E_PMC_SERIAL_ADDRESS(0x20003c)
|
||||
#define SCORE603E_85C30_CTRL_8 SCORE603E_PMC_SERIAL_ADDRESS(0x200000)
|
||||
#define SCORE603E_85C30_DATA_8 SCORE603E_PMC_SERIAL_ADDRESS(0x200004)
|
||||
#define SCORE603E_85C30_CTRL_9 SCORE603E_PMC_SERIAL_ADDRESS(0x200008)
|
||||
#define SCORE603E_85C30_DATA_9 SCORE603E_PMC_SERIAL_ADDRESS(0x20000c)
|
||||
#define SCORE603E_85C30_CTRL_10 SCORE603E_PMC_SERIAL_ADDRESS(0x200010)
|
||||
#define SCORE603E_85C30_DATA_10 SCORE603E_PMC_SERIAL_ADDRESS(0x200014)
|
||||
#define SCORE603E_85C30_CTRL_11 SCORE603E_PMC_SERIAL_ADDRESS(0x200018)
|
||||
#define SCORE603E_85C30_DATA_11 SCORE603E_PMC_SERIAL_ADDRESS(0x20001c)
|
||||
#define SCORE603E_85C30_CTRL_4 BSP_PMC_SERIAL_ADDRESS(0x200020)
|
||||
#define SCORE603E_85C30_DATA_4 BSP_PMC_SERIAL_ADDRESS(0x200024)
|
||||
#define SCORE603E_85C30_CTRL_5 BSP_PMC_SERIAL_ADDRESS(0x200028)
|
||||
#define SCORE603E_85C30_DATA_5 BSP_PMC_SERIAL_ADDRESS(0x20002c)
|
||||
#define SCORE603E_85C30_CTRL_6 BSP_PMC_SERIAL_ADDRESS(0x200030)
|
||||
#define SCORE603E_85C30_DATA_6 BSP_PMC_SERIAL_ADDRESS(0x200034)
|
||||
#define SCORE603E_85C30_CTRL_7 BSP_PMC_SERIAL_ADDRESS(0x200038)
|
||||
#define SCORE603E_85C30_DATA_7 BSP_PMC_SERIAL_ADDRESS(0x20003c)
|
||||
#define SCORE603E_85C30_CTRL_8 BSP_PMC_SERIAL_ADDRESS(0x200000)
|
||||
#define SCORE603E_85C30_DATA_8 BSP_PMC_SERIAL_ADDRESS(0x200004)
|
||||
#define SCORE603E_85C30_CTRL_9 BSP_PMC_SERIAL_ADDRESS(0x200008)
|
||||
#define SCORE603E_85C30_DATA_9 BSP_PMC_SERIAL_ADDRESS(0x20000c)
|
||||
#define SCORE603E_85C30_CTRL_10 BSP_PMC_SERIAL_ADDRESS(0x200010)
|
||||
#define SCORE603E_85C30_DATA_10 BSP_PMC_SERIAL_ADDRESS(0x200014)
|
||||
#define SCORE603E_85C30_CTRL_11 BSP_PMC_SERIAL_ADDRESS(0x200018)
|
||||
#define SCORE603E_85C30_DATA_11 BSP_PMC_SERIAL_ADDRESS(0x20001c)
|
||||
|
||||
#define SCORE603E_PCI_IO_CFG_ADDR 0x80000cf8
|
||||
#define SCORE603E_PCI_IO_CFG_DATA 0x80000cfc
|
||||
|
||||
#define SCORE603E_UNIVERSE_BASE 0x80030000
|
||||
#define SCORE603E_IO_VME_UNIVERSE_BASE 0x80007000
|
||||
#define SCORE603E_PCI_MEM_BASE 0xc0000000
|
||||
#define SCORE603E_NVRAM_BASE 0xfd100000
|
||||
#define SCORE603E_RTC_ADDRESS ((volatile unsigned char *)0xfd180000)
|
||||
#define BSP_PCI_MEM_BASE 0xc0000000
|
||||
#define BSP_NVRAM_BASE 0xfd100000
|
||||
#define BSP_RTC_ADDRESS ((volatile unsigned char *)0xfd180000)
|
||||
#define SCORE603E_JP1_JP2_PROM_BASE 0xfff00000
|
||||
#define SCORE603E_NOT_JP1_2_FLASH_BASE 0xff800000
|
||||
|
||||
|
||||
#if (SCORE603E_USE_SDS) | (SCORE603E_USE_OPEN_FIRMWARE) | (SCORE603E_USE_NONE)
|
||||
#define SCORE603E_VME_A16_OFFSET 0x04000000
|
||||
#elif (SCORE603E_USE_DINK)
|
||||
#define SCORE603E_VME_A16_OFFSET 0x11000000
|
||||
#define SCORE603E_VME_A24_OFFSET 0x10000000
|
||||
#define SCORE603E_VME_A24_BASE (SCORE603E_PCI_MEM_BASE+SCORE603E_VME_A24_OFFSET)
|
||||
#define BSP_VME_A24_BASE (BSP_PCI_MEM_BASE+SCORE603E_VME_A24_OFFSET)
|
||||
#else
|
||||
#error "SCORE603E gen2.h -- what ROM monitor are you using"
|
||||
#endif
|
||||
|
||||
#define SCORE603E_VME_A16_BASE (SCORE603E_PCI_MEM_BASE+SCORE603E_VME_A16_OFFSET)
|
||||
#define BSP_VME_A16_BASE (BSP_PCI_MEM_BASE+SCORE603E_VME_A16_OFFSET)
|
||||
|
||||
/*
|
||||
* Definations for the ICM 1770 RTC chip
|
||||
@@ -115,7 +114,7 @@ extern "C" {
|
||||
#define ICM1770_CRYSTAL_FREQ_2M 0x02
|
||||
#define ICM1770_CRYSTAL_FREQ_4M 0x03
|
||||
|
||||
#define SCORE_RTC_FREQUENCY ICM1770_CRYSTAL_FREQ_32K
|
||||
#define BSP_RTC_FREQUENCY ICM1770_CRYSTAL_FREQ_32K
|
||||
|
||||
/*
|
||||
* Z85C30 Definations for the 423 interface.
|
||||
@@ -158,13 +157,13 @@ extern "C" {
|
||||
/*
|
||||
* The PMC status word is at the PMC base address
|
||||
*/
|
||||
#define SCORE603E_PMC_STATUS_ADDRESS (SCORE603E_PMC_SERIAL_ADDRESS (0))
|
||||
#define BSP_PMC_STATUS_ADDRESS (BSP_PMC_SERIAL_ADDRESS (0))
|
||||
#define Is_PMC_85C30_4_IRQ( _status ) (_status & 0x80) /* SCC 422-1 */
|
||||
#define Is_PMC_85C30_2_IRQ( _status ) (_status & 0x40) /* SCC 232-1 */
|
||||
#define Is_PMC_85C30_5_IRQ( _status ) (_status & 0x20) /* SCC 422-2 */
|
||||
#define Is_PMC_85C30_3_IRQ( _status ) (_status & 0x08) /* SCC 232-2 */
|
||||
|
||||
#define SCORE603E_PMC_CONTROL_ADDRESS SCORE603E_PMC_SERIAL_ADDRESS(0x100000)
|
||||
#define SCORE603E_PMC_CONTROL_ADDRESS BSP_PMC_SERIAL_ADDRESS(0x100000)
|
||||
#define SCORE603E_PMC_SCC_232_LOOPBACK (_word) (_word|0x20)
|
||||
|
||||
#define PMC_SET_232_LOOPBACK(_word) (_word | 0x02)
|
||||
|
||||
@@ -115,7 +115,7 @@ rtems_unsigned16 read_and_clear_PMC_irq(
|
||||
{
|
||||
rtems_unsigned16 status_word = irq;
|
||||
|
||||
status_word = (*SCORE603E_PMC_STATUS_ADDRESS);
|
||||
status_word = (*BSP_PMC_STATUS_ADDRESS);
|
||||
|
||||
return status_word;
|
||||
}
|
||||
|
||||
@@ -76,7 +76,7 @@ void init_RTC()
|
||||
{
|
||||
volatile Harris_RTC *the_RTC;
|
||||
|
||||
the_RTC = (volatile Harris_RTC *)SCORE603E_RTC_ADDRESS;
|
||||
the_RTC = (volatile Harris_RTC *)BSP_RTC_ADDRESS;
|
||||
|
||||
the_RTC->command_register = 0x0;
|
||||
}
|
||||
|
||||
@@ -116,20 +116,20 @@ void initialize_PMC() {
|
||||
/*
|
||||
* set PMC base address.
|
||||
*/
|
||||
PMC_addr = SCORE603E_PCI_DEVICE_ADDRESS( 0x14 );
|
||||
*PMC_addr = (SCORE603E_PCI_REGISTER_BASE >> 24) & 0x3f;
|
||||
PMC_addr = BSP_PCI_DEVICE_ADDRESS( 0x14 );
|
||||
*PMC_addr = (BSP_PCI_REGISTER_BASE >> 24) & 0x3f;
|
||||
|
||||
/*
|
||||
* Clear status, enable SERR and memory space only.
|
||||
*/
|
||||
PMC_addr = SCORE603E_PCI_DEVICE_ADDRESS( 0x4 );
|
||||
PMC_addr = BSP_PCI_DEVICE_ADDRESS( 0x4 );
|
||||
*PMC_addr = 0x0201ff37;
|
||||
|
||||
/*
|
||||
* Bit 0 and 1 HI cause Medium Loopback to occur.
|
||||
*/
|
||||
PMC_addr = (volatile rtems_unsigned32 *)
|
||||
SCORE603E_PMC_SERIAL_ADDRESS( 0x100000 );
|
||||
BSP_PMC_SERIAL_ADDRESS( 0x100000 );
|
||||
data = *PMC_addr;
|
||||
/* *PMC_addr = data | 0x3; */
|
||||
*PMC_addr = data & 0xfc;
|
||||
@@ -142,17 +142,17 @@ void initialize_PMC() {
|
||||
/*
|
||||
* Clear status, enable SERR and memory space only.
|
||||
*/
|
||||
PMC_addr = SCORE603E_PCI_DEVICE_ADDRESS( 0x4 );
|
||||
PMC_addr = BSP_PCI_DEVICE_ADDRESS( 0x4 );
|
||||
*PMC_addr = 0x020080cc;
|
||||
|
||||
/*
|
||||
* set PMC base address.
|
||||
*/
|
||||
PMC_addr = SCORE603E_PCI_DEVICE_ADDRESS( 0x14 );
|
||||
*PMC_addr = (SCORE603E_PCI_REGISTER_BASE >> 24) & 0x3f;
|
||||
PMC_addr = BSP_PCI_DEVICE_ADDRESS( 0x14 );
|
||||
*PMC_addr = (BSP_PCI_REGISTER_BASE >> 24) & 0x3f;
|
||||
|
||||
PMC_addr = (volatile rtems_unsigned32 *)
|
||||
SCORE603E_PMC_SERIAL_ADDRESS( 0x100000 );
|
||||
BSP_PMC_SERIAL_ADDRESS( 0x100000 );
|
||||
data = *PMC_addr;
|
||||
*PMC_addr = data & 0xfc;
|
||||
|
||||
|
||||
@@ -43,7 +43,7 @@ void setRealTimeToRTEMS()
|
||||
{
|
||||
rtems_time_of_day rtc_tod;
|
||||
|
||||
ICM7170_GetTOD( SCORE603E_RTC_ADDRESS, SCORE_RTC_FREQUENCY, &rtc_tod );
|
||||
ICM7170_GetTOD( BSP_RTC_ADDRESS, BSP_RTC_FREQUENCY, &rtc_tod );
|
||||
rtems_clock_set( &rtc_tod );
|
||||
}
|
||||
|
||||
@@ -52,7 +52,7 @@ void setRealTimeFromRTEMS()
|
||||
rtems_time_of_day rtems_tod;
|
||||
|
||||
rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod );
|
||||
ICM7170_SetTOD( SCORE603E_RTC_ADDRESS, SCORE_RTC_FREQUENCY, &rtems_tod );
|
||||
ICM7170_SetTOD( BSP_RTC_ADDRESS, BSP_RTC_FREQUENCY, &rtems_tod );
|
||||
}
|
||||
|
||||
int checkRealTime()
|
||||
@@ -60,7 +60,7 @@ int checkRealTime()
|
||||
rtems_time_of_day rtems_tod;
|
||||
rtems_time_of_day rtc_tod;
|
||||
|
||||
ICM7170_GetTOD( SCORE603E_RTC_ADDRESS, SCORE_RTC_FREQUENCY, &rtc_tod );
|
||||
ICM7170_GetTOD( BSP_RTC_ADDRESS, BSP_RTC_FREQUENCY, &rtc_tod );
|
||||
rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod );
|
||||
|
||||
if( rtems_tod.year == rtc_tod.year &&
|
||||
|
||||
@@ -1,3 +1,70 @@
|
||||
2005-11-08 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 845/bsps
|
||||
* startup/bspstart.c, start/start.S: setup BATs prior to attempting any
|
||||
device access - missing BAT mappings were probably the reason for the
|
||||
MMU malfunction assumption. Enabled MSR_DR.
|
||||
|
||||
2005-11-08 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 837/bsps
|
||||
* startup/bspstart.c, pci/detect_raven_bridge.c: Make sure
|
||||
exceptions_in_RAM flag is set prior to initializing exception
|
||||
handling. Keep MCP disabled for memory probes :-( (the raven would
|
||||
otherwise fault on PCI config space access to empty slots).
|
||||
|
||||
2005-11-07 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 834/bsps
|
||||
* vectors/vectors.S: reload stack pointer/R1 from exception frame
|
||||
instead of adding static offset.
|
||||
|
||||
2005-10-06 Till Straumann <strauman@slac.stanford.edu>
|
||||
|
||||
PR 833/bsps
|
||||
* irq/irq_asm.S: Currently, all (new exception) BSPs explicitely enable
|
||||
the FPU across the user ISR but DONT save/restore the FPU context.
|
||||
Any use of the FPU fron the user handler (e.g., due to GCC
|
||||
optimizations) result in corruption. The fix results in an exception
|
||||
in such cases (user ISR must explicitely save/enable/restore FPU).
|
||||
|
||||
2005-09-01 Joel Sherrill <joel@OARcorp.com>
|
||||
|
||||
* include/bsp.h: This file is only to be used by BSPs with the new
|
||||
interrupt API so checking for USE_ENHANCED_INTR_API is not needed.
|
||||
|
||||
2004-11-23 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* startup/bspstart.c: Removed mpc824x conditionals around call to
|
||||
L1_caches_enables, conditionals are now in mmuAsm.S.
|
||||
* vme/VMEConfig.h: Set up VME A16, A24 and A32 windows at different
|
||||
locations for mvme2100.
|
||||
* vme/vmeconfig.c: Fixed spelling.
|
||||
|
||||
2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* ChangeLog, Makefile.am, bootloader/misc.c, bootloader/pci.c,
|
||||
bootloader/pci.h, console/console.c, console/inch.c,
|
||||
console/reboot.c, console/uart.c, console/uart.h, include/bsp.h,
|
||||
irq/irq.c, irq/irq.h, irq/irq_init.c, motorola/motorola.c,
|
||||
motorola/motorola.h, openpic/openpic.c, openpic/openpic.h,
|
||||
pci/detect_raven_bridge.c, pci/pci.c, pci/pci.h, start/start.S,
|
||||
startup/bspstart.c, vectors/vectors_init.c, vme/vmeconfig.c: Add
|
||||
MVME2100 BSP and MPC8240 support. There was also a significant amount
|
||||
of spelling and whitespace cleanup.
|
||||
* tod/.cvsignore, tod/Makefile.am, tod/todcfg.c: New files.
|
||||
|
||||
2004-11-10 Richard Campbell <richard.campbell@oarcorp.com>
|
||||
|
||||
* Makefile.am, bootloader/misc.c, bootloader/pci.c, bootloader/pci.h,
|
||||
console/console.c, console/inch.c, console/reboot.c, console/uart.c,
|
||||
console/uart.h, include/bsp.h, irq/irq.c, irq/irq.h, irq/irq_init.c,
|
||||
motorola/motorola.c, motorola/motorola.h, openpic/openpic.c,
|
||||
openpic/openpic.h, pci/detect_raven_bridge.c, pci/pci.c, pci/pci.h,
|
||||
start/start.S, startup/bspstart.c, vectors/vectors_init.c,
|
||||
vme/vmeconfig.c: Add MVME2100 BSP and MPC8240 support.
|
||||
* tod/.cvsignore, tod/Makefile.am, tod/todcfg.c: New files.
|
||||
|
||||
2004-09-27 Greg Menke <gregory.menke@gsfc.nasa.gov>
|
||||
|
||||
PR 606/bsps
|
||||
|
||||
@@ -5,7 +5,7 @@
|
||||
|
||||
if need_shared
|
||||
SUBDIRS = clock console include pci residual openpic irq vectors start \
|
||||
startup motorola bootloader vme
|
||||
startup motorola bootloader vme tod
|
||||
endif
|
||||
|
||||
include $(top_srcdir)/../../../../../automake/subdirs.am
|
||||
|
||||
@@ -24,6 +24,7 @@
|
||||
#include <libcpu/page.h>
|
||||
#include <libcpu/byteorder.h>
|
||||
#include <rtems/bspIo.h>
|
||||
#include <bsp.h>
|
||||
|
||||
SPR_RW(DEC)
|
||||
SPR_RO(PVR)
|
||||
@@ -280,8 +281,13 @@ setup_hw(void)
|
||||
/* We check that the keyboard is present and immediately
|
||||
* select the serial console if not.
|
||||
*/
|
||||
#if defined(BSP_KBD_IOBASE)
|
||||
err = kbdreset();
|
||||
if (err) select_console(CONSOLE_SERIAL);
|
||||
if (err) select_console(CONSOLE_SERIAL);
|
||||
#else
|
||||
err = 1;
|
||||
select_console(CONSOLE_SERIAL);
|
||||
#endif
|
||||
|
||||
printk("\nModel: %s\nSerial: %s\n"
|
||||
"Processor/Bus frequencies (Hz): %ld/%ld\n"
|
||||
@@ -293,8 +299,6 @@ setup_hw(void)
|
||||
vpd.ProcessorBusHz,
|
||||
(vpd.TimeBaseDivisor ? vpd.TimeBaseDivisor : 4000),
|
||||
res->TotalMemory);
|
||||
printk("Original MSR: %lx\nOriginal HID0: %lx\nOriginal R31: %lx\n",
|
||||
bd->o_msr, bd->o_hid0, bd->o_r31);
|
||||
|
||||
/* This reconfigures all the PCI subsystem */
|
||||
pci_init();
|
||||
|
||||
@@ -24,6 +24,7 @@
|
||||
#include <libcpu/io.h>
|
||||
#include <libcpu/page.h>
|
||||
#include <bsp/consoleIo.h>
|
||||
#include <string.h>
|
||||
|
||||
typedef unsigned int u32;
|
||||
|
||||
|
||||
@@ -497,6 +497,7 @@
|
||||
#define PCI_VENDOR_ID_MOTOROLA 0x1057
|
||||
#define PCI_DEVICE_ID_MOTOROLA_MPC105 0x0001
|
||||
#define PCI_DEVICE_ID_MOTOROLA_MPC106 0x0002
|
||||
#define PCI_DEVICE_ID_MOTOROLA_MPC8240 0x0003
|
||||
#define PCI_DEVICE_ID_MOTOROLA_RAVEN 0x4801
|
||||
|
||||
#define PCI_VENDOR_ID_PROMISE 0x105a
|
||||
|
||||
@@ -75,7 +75,6 @@ static TtySTblRec ttyS[]={
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------+
|
||||
| Console device driver INITIALIZE entry point.
|
||||
+--------------------------------------------------------------------------+
|
||||
@@ -135,6 +134,7 @@ console_initialize(rtems_device_major_number major,
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return RTEMS_SUCCESSFUL;
|
||||
} /* console_initialize */
|
||||
|
||||
@@ -174,22 +174,35 @@ console_open(rtems_device_major_number major,
|
||||
{
|
||||
rtems_status_code status;
|
||||
static rtems_termios_callbacks cb =
|
||||
#if defined(USE_POLLED_IO)
|
||||
{
|
||||
NULL, /* firstOpen */
|
||||
NULL, /* lastClose */
|
||||
NULL, /* pollRead */
|
||||
BSP_uart_termios_write_polled, /* write */
|
||||
conSetAttr, /* setAttributes */
|
||||
NULL, /* stopRemoteTx */
|
||||
NULL, /* startRemoteTx */
|
||||
0 /* outputUsesInterrupts */
|
||||
};
|
||||
#else
|
||||
{
|
||||
console_first_open, /* firstOpen */
|
||||
console_last_close, /* lastClose */
|
||||
NULL, /* pollRead */
|
||||
BSP_uart_termios_write_com, /* write */
|
||||
conSetAttr, /* setAttributes */
|
||||
NULL, /* stopRemoteTx */
|
||||
NULL, /* startRemoteTx */
|
||||
1 /* outputUsesInterrupts */
|
||||
NULL, /* pollRead */
|
||||
BSP_uart_termios_write_com, /* write */
|
||||
conSetAttr, /* setAttributes */
|
||||
NULL, /* stopRemoteTx */
|
||||
NULL, /* startRemoteTx */
|
||||
1 /* outputUsesInterrupts */
|
||||
};
|
||||
#endif
|
||||
|
||||
status = rtems_termios_open (major, minor, arg, &cb);
|
||||
|
||||
if(status != RTEMS_SUCCESSFUL)
|
||||
{
|
||||
printk("Error openning console device\n");
|
||||
printk("Error opening console device\n");
|
||||
return status;
|
||||
}
|
||||
|
||||
|
||||
@@ -20,6 +20,7 @@
|
||||
*/
|
||||
|
||||
#include <bsp.h>
|
||||
#if defined(BSP_KBD_IOBASE)
|
||||
#include <bsp/irq.h>
|
||||
|
||||
#include "console.inl"
|
||||
@@ -299,9 +300,4 @@ _IBMPC_inch_sleep(void)
|
||||
|
||||
return c;
|
||||
} /* _IBMPC_inch */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
@@ -16,5 +16,7 @@ void rtemsReboot(void)
|
||||
printk("Printing a stack trace for your convenience :-)\n");
|
||||
CPU_print_stack();
|
||||
/* shutdown and reboot */
|
||||
#if defined(BSP_KBD_IOBASE)
|
||||
kbd_outb(0x4, 0xFE); /* use keyboard controler to do the job... */
|
||||
#endif
|
||||
} /* rtemsReboot */
|
||||
|
||||
@@ -132,7 +132,7 @@ void
|
||||
BSP_uart_init(int uart, int baud, int hwFlow)
|
||||
{
|
||||
unsigned char tmp;
|
||||
|
||||
|
||||
/* Sanity check */
|
||||
SANITY_CHECK(uart);
|
||||
|
||||
@@ -156,10 +156,10 @@ BSP_uart_init(int uart, int baud, int hwFlow)
|
||||
assert(0);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
/* Set DLAB bit to 1 */
|
||||
uwrite(uart, LCR, DLAB);
|
||||
|
||||
|
||||
/* Set baud rate */
|
||||
uwrite(uart, DLL, (BSPBaseBaud/baud) & 0xff);
|
||||
uwrite(uart, DLM, ((BSPBaseBaud/baud) >> 8) & 0xff);
|
||||
@@ -185,6 +185,7 @@ BSP_uart_init(int uart, int baud, int hwFlow)
|
||||
/* Remember state */
|
||||
uart_data[uart].hwFlow = hwFlow;
|
||||
uart_data[uart].baud = baud;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -201,7 +202,7 @@ BSP_uart_set_baud(int uart, int baud)
|
||||
|
||||
/*
|
||||
* This function may be called whenever TERMIOS parameters
|
||||
* are changed, so we have to make sire that baud change is
|
||||
* are changed, so we have to make sure that baud change is
|
||||
* indeed required
|
||||
*/
|
||||
|
||||
@@ -460,8 +461,14 @@ uart_noop(const rtems_irq_connect_data *unused)
|
||||
static int
|
||||
uart_isr_is_on(const rtems_irq_connect_data *irq)
|
||||
{
|
||||
int uart = (irq->name == BSP_ISA_UART_COM1_IRQ) ?
|
||||
int uart;
|
||||
|
||||
#if defined(mvme2100)
|
||||
uart = BSP_UART_COM1;
|
||||
#else
|
||||
uart = (irq->name == BSP_ISA_UART_COM1_IRQ) ?
|
||||
BSP_UART_COM1 : BSP_UART_COM2;
|
||||
#endif
|
||||
return uread(uart,IER);
|
||||
}
|
||||
|
||||
@@ -469,8 +476,12 @@ static int
|
||||
doit(int uart, rtems_irq_hdl handler, int (*p)(const rtems_irq_connect_data*))
|
||||
{
|
||||
rtems_irq_connect_data d={0};
|
||||
#if defined(mvme2100)
|
||||
d.name = BSP_UART_COM1_IRQ;
|
||||
#else
|
||||
d.name = (uart == BSP_UART_COM1) ?
|
||||
BSP_ISA_UART_COM1_IRQ : BSP_ISA_UART_COM2_IRQ;
|
||||
#endif
|
||||
d.off = d.on = uart_noop;
|
||||
d.isOn = uart_isr_is_on;
|
||||
d.hdl = handler;
|
||||
@@ -525,6 +536,21 @@ BSP_uart_termios_set(int uart, void *ttyp)
|
||||
return;
|
||||
}
|
||||
|
||||
int
|
||||
BSP_uart_termios_write_polled(int minor, const char *buf, int len)
|
||||
{
|
||||
int uart=minor; /* could differ, theoretically */
|
||||
int nwrite;
|
||||
const char *b = buf;
|
||||
|
||||
assert(buf != NULL);
|
||||
|
||||
for (nwrite=0 ; nwrite < len ; nwrite++) {
|
||||
BSP_uart_polled_write(uart, *b++);
|
||||
}
|
||||
return nwrite;
|
||||
}
|
||||
|
||||
int
|
||||
BSP_uart_termios_write_com(int minor, const char *buf, int len)
|
||||
{
|
||||
@@ -536,7 +562,7 @@ BSP_uart_termios_write_com(int minor, const char *buf, int len)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* If there TX buffer is busy - something is royally screwed up */
|
||||
/* If the TX buffer is busy - something is royally screwed up */
|
||||
/* assert((uread(BSP_UART_COM1, LSR) & THRE) != 0); */
|
||||
|
||||
|
||||
|
||||
@@ -16,7 +16,7 @@
|
||||
#include <rtems/libio.h>
|
||||
|
||||
void BSP_uart_init(int uart, int baud, int hwFlow);
|
||||
void BSP_uart_set_baud(int aurt, int baud);
|
||||
void BSP_uart_set_baud(int uart, int baud);
|
||||
void BSP_uart_intr_ctrl(int uart, int cmd);
|
||||
void BSP_uart_throttle(int uart);
|
||||
void BSP_uart_unthrottle(int uart);
|
||||
@@ -31,6 +31,7 @@ void BSP_uart_dbgisr_com1(void);
|
||||
void BSP_uart_dbgisr_com2(void);
|
||||
int BSP_uart_install_isr(int uart, rtems_irq_hdl handler);
|
||||
int BSP_uart_remove_isr(int uart, rtems_irq_hdl handler);
|
||||
int BSP_uart_termios_write_polled(int minor, const char *buf, int len);
|
||||
int BSP_uart_get_break_cb(int uart, rtems_libio_ioctl_args_t *arg);
|
||||
int BSP_uart_set_break_cb(int uart, rtems_libio_ioctl_args_t *arg);
|
||||
|
||||
|
||||
@@ -26,28 +26,69 @@
|
||||
* - Interrupt stack space is not minimum if defined.
|
||||
*/
|
||||
|
||||
#if defined(mvme2100)
|
||||
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 1
|
||||
#else
|
||||
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2
|
||||
#endif
|
||||
|
||||
#define CONFIGURE_INTERRUPT_STACK_MEMORY (16 * 1024)
|
||||
|
||||
/* fundamental addresses for this BSP (PREPxxx are from libcpu/io.h) */
|
||||
#define _IO_BASE PREP_ISA_IO_BASE
|
||||
/* fundamental addresses for BSP (CHRPxxx and PREPxxx are from libcpu/io.h) */
|
||||
#if defined(mvme2100)
|
||||
#define _IO_BASE CHRP_ISA_IO_BASE
|
||||
#define _ISA_MEM_BASE CHRP_ISA_MEM_BASE
|
||||
/* address of our ram on the PCI bus */
|
||||
#define PCI_DRAM_OFFSET CHRP_PCI_DRAM_OFFSET
|
||||
#define PCI_MEM_BASE 0x80000000
|
||||
#define PCI_MEM_BASE_ADJUSTMENT 0
|
||||
|
||||
#else
|
||||
#define _IO_BASE PREP_ISA_IO_BASE
|
||||
#define _ISA_MEM_BASE PREP_ISA_MEM_BASE
|
||||
/* address of our ram on the PCI bus */
|
||||
#define PCI_DRAM_OFFSET PREP_PCI_DRAM_OFFSET
|
||||
/* offset of pci memory as seen from the CPU */
|
||||
#define PCI_MEM_BASE PREP_ISA_MEM_BASE
|
||||
#define PCI_MEM_BASE_ADJUSTMENT PREP_ISA_MEM_BASE
|
||||
#endif
|
||||
|
||||
/*
|
||||
* base address definitions for several devices
|
||||
* Base address definitions for several devices
|
||||
*
|
||||
* MVME2100 is very similar but has fewer devices and uses on-CPU EPIC
|
||||
* implementation of OpenPIC controller. It also cannot be probed to
|
||||
* find out what it is which is VERY different from other Motorola boards.
|
||||
*/
|
||||
|
||||
#if defined(mvme2100)
|
||||
#define BSP_UART_IOBASE_COM1 ((_IO_BASE)+0x01e10000)
|
||||
/* #define BSP_UART_IOBASE_COM1 (0xffe10000) */
|
||||
#define BSP_OPEN_PIC_BASE_OFFSET 0x40000
|
||||
|
||||
#define MVME_HAS_DEC21140
|
||||
#else
|
||||
#define BSP_UART_IOBASE_COM1 ((_IO_BASE)+0x3f8)
|
||||
#define BSP_UART_IOBASE_COM2 ((_IO_BASE)+0x2f8)
|
||||
|
||||
#define BSP_KBD_IOBASE ((_IO_BASE)+0x60)
|
||||
#define BSP_VGA_IOBASE ((_IO_BASE)+0x3c0)
|
||||
|
||||
#define BSP_CONSOLE_PORT BSP_UART_COM1
|
||||
#if defined(mvme2300)
|
||||
#define MVME_HAS_DEC21140
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define BSP_UART_BAUD_BASE 115200
|
||||
#define BSP_CONSOLE_PORT BSP_UART_COM1
|
||||
|
||||
#if defined(MVME_HAS_DEC21140)
|
||||
struct rtems_bsdnet_ifconfig;
|
||||
int rtems_dec21140_driver_attach (struct rtems_bsdnet_ifconfig *, int);
|
||||
|
||||
#define RTEMS_BSP_NETWORK_DRIVER_NAME "dc1"
|
||||
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_dec21140_driver_attach
|
||||
#endif
|
||||
|
||||
#include <bsp/openpic.h>
|
||||
#define BSP_PIC_DO_EOI openpic_eoi(0)
|
||||
@@ -110,7 +151,7 @@ extern unsigned long _BSP_clear_hostbridge_errors(int enableMCP, int quiet);
|
||||
* TM27 stuff
|
||||
*/
|
||||
|
||||
#if defined(USE_ENHANCED_INTR_API) && defined(RTEMS_TM27)
|
||||
#if defined(RTEMS_TM27)
|
||||
|
||||
#include <bsp/irq.h>
|
||||
|
||||
|
||||
@@ -21,6 +21,7 @@
|
||||
#include <libcpu/raw_exception.h>
|
||||
#include <libcpu/io.h>
|
||||
#include <bsp/vectors.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <rtems/bspIo.h> /* for printk */
|
||||
#define RAVEN_INTR_ACK_REG 0xfeff0030
|
||||
@@ -28,7 +29,7 @@
|
||||
/*
|
||||
* pointer to the mask representing the additionnal irq vectors
|
||||
* that must be disabled when a particular entry is activated.
|
||||
* They will be dynamically computed from teh prioruty table given
|
||||
* They will be dynamically computed from the priority table given
|
||||
* in BSP_rtems_irq_mngt_set();
|
||||
* CAUTION : this table is accessed directly by interrupt routine
|
||||
* prologue.
|
||||
@@ -67,7 +68,7 @@ static inline int is_pci_irq(const rtems_irq_symbolic_name irqLine)
|
||||
}
|
||||
|
||||
/*
|
||||
* Check if IRQ is a Porcessor IRQ
|
||||
* Check if IRQ is a Processor IRQ
|
||||
*/
|
||||
static inline int is_processor_irq(const rtems_irq_symbolic_name irqLine)
|
||||
{
|
||||
@@ -126,7 +127,7 @@ int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data* irq)
|
||||
{
|
||||
unsigned int level;
|
||||
rtems_irq_connect_data* vchain;
|
||||
|
||||
|
||||
if (!isValidInterrupt(irq->name)) {
|
||||
printk("Invalid interrupt vector %d\n",irq->name);
|
||||
return 0;
|
||||
@@ -191,7 +192,7 @@ int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data* irq)
|
||||
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data* irq)
|
||||
{
|
||||
unsigned int level;
|
||||
|
||||
|
||||
if (!isValidInterrupt(irq->name)) {
|
||||
printk("Invalid interrupt vector %d\n",irq->name);
|
||||
return 0;
|
||||
@@ -363,7 +364,7 @@ int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data* irq)
|
||||
}
|
||||
|
||||
/*
|
||||
* ------------------------ RTEMS Global Irq Handler Mngt Routines ----------------
|
||||
* RTEMS Global Interrupt Handler Management Routines
|
||||
*/
|
||||
|
||||
int BSP_rtems_irq_mngt_set(rtems_irq_global_settings* config)
|
||||
@@ -517,7 +518,6 @@ void C_dispatch_irq_handler (CPU_Interrupt_frame *frame, unsigned int excNum)
|
||||
register unsigned msr;
|
||||
register unsigned new_msr;
|
||||
|
||||
|
||||
if (excNum == ASM_DEC_VECTOR) {
|
||||
_CPU_MSR_GET(msr);
|
||||
new_msr = msr | MSR_EE;
|
||||
@@ -527,8 +527,8 @@ void C_dispatch_irq_handler (CPU_Interrupt_frame *frame, unsigned int excNum)
|
||||
|
||||
_CPU_MSR_SET(msr);
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
irq = openpic_irq(0);
|
||||
if (irq == OPENPIC_VEC_SPURIOUS) {
|
||||
++BSP_spuriousIntr;
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
/* irq.h
|
||||
*
|
||||
* This include file describe the data structure and the functions implemented
|
||||
* by rtems to write interrupt handlers.
|
||||
* by RTEMS to write interrupt handlers.
|
||||
*
|
||||
* CopyRight (C) 1999 valette@crf.canon.fr
|
||||
* Copyright (C) 1999 valette@crf.canon.fr
|
||||
*
|
||||
* This code is heavilly inspired by the public specification of STREAM V2
|
||||
* that can be found at :
|
||||
@@ -21,7 +21,6 @@
|
||||
#ifndef LIBBSP_POWERPC_MCP750_IRQ_IRQ_H
|
||||
#define LIBBSP_POWERPC_MCP750_IRQ_IRQ_H
|
||||
|
||||
|
||||
/*
|
||||
* 8259 edge/level control definitions at VIA
|
||||
*/
|
||||
@@ -65,71 +64,79 @@ extern "C" {
|
||||
|
||||
|
||||
/*
|
||||
* Symblolic IRQ names and related definitions.
|
||||
* Symbolic IRQ names and related definitions.
|
||||
*/
|
||||
|
||||
typedef enum {
|
||||
/* Base vector for our ISA IRQ handlers. */
|
||||
BSP_ISA_IRQ_VECTOR_BASE = BSP_ASM_IRQ_VECTOR_BASE,
|
||||
BSP_ISA_IRQ_VECTOR_BASE = BSP_ASM_IRQ_VECTOR_BASE,
|
||||
/*
|
||||
* ISA IRQ handler related definitions
|
||||
*/
|
||||
BSP_ISA_IRQ_NUMBER = 16,
|
||||
BSP_ISA_IRQ_LOWEST_OFFSET = 0,
|
||||
BSP_ISA_IRQ_MAX_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER - 1,
|
||||
BSP_ISA_IRQ_NUMBER = 16,
|
||||
BSP_ISA_IRQ_LOWEST_OFFSET = 0,
|
||||
BSP_ISA_IRQ_MAX_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* PCI IRQ handlers related definitions
|
||||
* CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE
|
||||
*/
|
||||
BSP_PCI_IRQ_NUMBER = 16,
|
||||
BSP_PCI_IRQ_LOWEST_OFFSET = BSP_ISA_IRQ_NUMBER,
|
||||
BSP_PCI_IRQ_MAX_OFFSET = BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1,
|
||||
BSP_PCI_IRQ_NUMBER = 16,
|
||||
BSP_PCI_IRQ_LOWEST_OFFSET = BSP_ISA_IRQ_NUMBER,
|
||||
BSP_PCI_IRQ_MAX_OFFSET = BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* PowerPc exceptions handled as interrupt where a rtems managed interrupt
|
||||
* PowerPC exceptions handled as interrupt where an RTEMS managed interrupt
|
||||
* handler might be connected
|
||||
*/
|
||||
BSP_PROCESSOR_IRQ_NUMBER = 1,
|
||||
BSP_PROCESSOR_IRQ_LOWEST_OFFSET = BSP_PCI_IRQ_MAX_OFFSET + 1,
|
||||
BSP_PROCESSOR_IRQ_MAX_OFFSET = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1,
|
||||
BSP_PROCESSOR_IRQ_NUMBER = 1,
|
||||
BSP_PROCESSOR_IRQ_LOWEST_OFFSET = BSP_PCI_IRQ_MAX_OFFSET + 1,
|
||||
BSP_PROCESSOR_IRQ_MAX_OFFSET = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1,
|
||||
/* Misc vectors for OPENPIC irqs (IPI, timers)
|
||||
*/
|
||||
BSP_MISC_IRQ_NUMBER = 8,
|
||||
BSP_MISC_IRQ_LOWEST_OFFSET = BSP_PROCESSOR_IRQ_MAX_OFFSET + 1,
|
||||
BSP_MISC_IRQ_MAX_OFFSET = BSP_MISC_IRQ_LOWEST_OFFSET + BSP_MISC_IRQ_NUMBER - 1,
|
||||
BSP_MISC_IRQ_NUMBER = 8,
|
||||
BSP_MISC_IRQ_LOWEST_OFFSET = BSP_PROCESSOR_IRQ_MAX_OFFSET + 1,
|
||||
BSP_MISC_IRQ_MAX_OFFSET = BSP_MISC_IRQ_LOWEST_OFFSET + BSP_MISC_IRQ_NUMBER - 1,
|
||||
/*
|
||||
* Summary
|
||||
*/
|
||||
BSP_IRQ_NUMBER = BSP_MISC_IRQ_MAX_OFFSET + 1,
|
||||
BSP_LOWEST_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET,
|
||||
BSP_MAX_OFFSET = BSP_MISC_IRQ_MAX_OFFSET,
|
||||
BSP_IRQ_NUMBER = BSP_MISC_IRQ_MAX_OFFSET + 1,
|
||||
BSP_LOWEST_OFFSET = BSP_ISA_IRQ_LOWEST_OFFSET,
|
||||
BSP_MAX_OFFSET = BSP_MISC_IRQ_MAX_OFFSET,
|
||||
/*
|
||||
* Some ISA IRQ symbolic name definition
|
||||
*/
|
||||
BSP_ISA_PERIODIC_TIMER = 0,
|
||||
|
||||
BSP_ISA_KEYBOARD = 1,
|
||||
|
||||
BSP_ISA_UART_COM2_IRQ = 3,
|
||||
|
||||
BSP_ISA_UART_COM1_IRQ = 4,
|
||||
|
||||
BSP_ISA_RT_TIMER1 = 8,
|
||||
|
||||
BSP_ISA_RT_TIMER3 = 10,
|
||||
*/
|
||||
BSP_ISA_PERIODIC_TIMER = 0,
|
||||
BSP_ISA_KEYBOARD = 1,
|
||||
BSP_ISA_UART_COM2_IRQ = 3,
|
||||
BSP_ISA_UART_COM1_IRQ = 4,
|
||||
BSP_ISA_RT_TIMER1 = 8,
|
||||
BSP_ISA_RT_TIMER3 = 10,
|
||||
/*
|
||||
* Some PCI IRQ symbolic name definition
|
||||
*/
|
||||
BSP_PCI_IRQ0 = BSP_PCI_IRQ_LOWEST_OFFSET,
|
||||
BSP_PCI_ISA_BRIDGE_IRQ = BSP_PCI_IRQ0,
|
||||
BSP_PCI_IRQ0 = BSP_PCI_IRQ_LOWEST_OFFSET,
|
||||
BSP_PCI_ISA_BRIDGE_IRQ = BSP_PCI_IRQ0,
|
||||
|
||||
#if defined(mvme2100)
|
||||
BSP_DEC21143_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 1,
|
||||
BSP_PMC_PCMIP_TYPE1_SLOT0_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 2,
|
||||
BSP_PCMIP_TYPE1_SLOT1_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 3,
|
||||
BSP_PCMIP_TYPE2_SLOT0_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 4,
|
||||
BSP_PCMIP_TYPE2_SLOT1_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 5,
|
||||
BSP_PCI_INTA_UNIVERSE_LINT0_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 7,
|
||||
BSP_PCI_INTB_UNIVERSE_LINT1_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 8,
|
||||
BSP_PCI_INTC_UNIVERSE_LINT2_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 9,
|
||||
BSP_PCI_INTD_UNIVERSE_LINT3_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 10,
|
||||
BSP_UART_COM1_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 13,
|
||||
BSP_FRONT_PANEL_ABORT_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 14,
|
||||
BSP_RTC_IRQ = BSP_PCI_IRQ_LOWEST_OFFSET + 15,
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Some Processor execption handled as rtems IRQ symbolic name definition
|
||||
* Some Processor exception handled as RTEMS IRQ symbolic name definition
|
||||
*/
|
||||
BSP_DECREMENTER = BSP_PROCESSOR_IRQ_LOWEST_OFFSET
|
||||
|
||||
}rtems_irq_symbolic_name;
|
||||
|
||||
|
||||
BSP_DECREMENTER = BSP_PROCESSOR_IRQ_LOWEST_OFFSET
|
||||
|
||||
} rtems_irq_symbolic_name;
|
||||
|
||||
/*
|
||||
* Type definition for RTEMS managed interrupts
|
||||
@@ -162,7 +169,6 @@ typedef struct __rtems_irq_connect_data__ {
|
||||
* It is usually called immediately AFTER connecting the interrupt handler.
|
||||
* RTEMS may well need such a function when restoring normal interrupt
|
||||
* processing after a debug session.
|
||||
*
|
||||
*/
|
||||
rtems_irq_enable on;
|
||||
/*
|
||||
@@ -205,7 +211,7 @@ typedef struct {
|
||||
rtems_irq_symbolic_name irqBase;
|
||||
/*
|
||||
* software priorities associated with interrupts.
|
||||
* if irqPrio [i] > intrPrio [j] it means that
|
||||
* if irqPrio [i] > intrPrio [j] it means that
|
||||
* interrupt handler hdl connected for interrupt name i
|
||||
* will not be interrupted by the handler connected for interrupt j
|
||||
* The interrupt source will be physically masked at i8259 level.
|
||||
@@ -236,10 +242,10 @@ int BSP_irq_disable_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
*/
|
||||
int BSP_irq_enable_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
/*
|
||||
* function to acknoledge a particular irq at 8259 level. After calling
|
||||
* function to acknowledge a particular irq at 8259 level. After calling
|
||||
* this function, if a device asserts an enabled interrupt line it will
|
||||
* be propagated further to the processor. Mainly usefull for people
|
||||
* writting raw handlers as this is automagically done for rtems managed
|
||||
* be propagated further to the processor. Mainly useful for people
|
||||
* writing raw handlers as this is automagically done for RTEMS managed
|
||||
* handlers.
|
||||
*/
|
||||
int BSP_irq_ack_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
@@ -260,18 +266,18 @@ int BSP_irq_enabled_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
* 3) store the current i8259s' interrupt masks
|
||||
* 4) modify them to disable the current interrupt at 8259 level (and may
|
||||
* be others depending on software priorities)
|
||||
* 5) aknowledge the i8259s',
|
||||
* 5) acknowledge the i8259s',
|
||||
* 6) demask the processor,
|
||||
* 7) call the application handler
|
||||
*
|
||||
* As a result the hdl function provided
|
||||
*
|
||||
* a) can perfectly be written is C,
|
||||
* b) may also well directly call the part of the RTEMS API that can be used
|
||||
* from interrupt level,
|
||||
* c) It only responsible for handling the jobs that need to be done at
|
||||
* the device level including (aknowledging/re-enabling the interrupt at device,
|
||||
* level, getting the data,...)
|
||||
* b) may also well directly call the part of the RTEMS API that can be
|
||||
* used from interrupt level,
|
||||
* c) It is only responsible for handling the jobs that need to be done at
|
||||
* the device level including (acknowledging/re-enabling the interrupt
|
||||
* at the device level, getting the data,...)
|
||||
*
|
||||
* When returning from the function, the following will be performed by
|
||||
* the RTEMS irq epilogue :
|
||||
@@ -282,7 +288,6 @@ int BSP_irq_enabled_at_i8259s (const rtems_irq_symbolic_name irqLine);
|
||||
* 4) perform rescheduling when necessary,
|
||||
* 5) restore the C scratch registers...
|
||||
* 6) restore initial execution flow
|
||||
*
|
||||
*/
|
||||
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*);
|
||||
int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data*);
|
||||
@@ -296,7 +301,8 @@ int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data*);
|
||||
int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr);
|
||||
/*
|
||||
* function to get disconnect the RTEMS irq handler for ptr->name.
|
||||
* This function checks that the value given is the current one for safety reason.
|
||||
* This function checks that the value given is the current one for safety
|
||||
* reasons.
|
||||
* The user can use the previous function to get it.
|
||||
*/
|
||||
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*);
|
||||
@@ -329,7 +335,7 @@ int BSP_rtems_irq_mngt_set(rtems_irq_global_settings* config);
|
||||
* (Re) get info on current RTEMS interrupt management.
|
||||
*/
|
||||
int BSP_rtems_irq_mngt_get(rtems_irq_global_settings**);
|
||||
|
||||
|
||||
extern void BSP_rtems_irq_mng_init(unsigned cpuId);
|
||||
extern void BSP_i8259s_init(void);
|
||||
|
||||
|
||||
@@ -12,6 +12,9 @@
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2003/7:
|
||||
* - store isr nesting level in _ISR_Nest_level rather than
|
||||
* SPRG0 - RTEMS relies on that variable.
|
||||
* Till Straumann <strauman@slac.stanford.edu>, 2005/4:
|
||||
* - DONT enable FP across ISR since fpregs are not saved!!
|
||||
* FPU is used by Thread_Dispatch however...
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
@@ -95,11 +98,7 @@ SYM (shared_raw_irq_code_entry):
|
||||
* also, on CPUs with FP, enable FP so that FP context can be
|
||||
* saved and restored (using FP instructions)
|
||||
*/
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR
|
||||
#else
|
||||
ori r3, r3, MSR_RI | MSR_IR | MSR_DR | MSR_FP
|
||||
#endif
|
||||
mtmsr r3
|
||||
SYNC
|
||||
/*
|
||||
@@ -302,6 +301,27 @@ nested:
|
||||
rfi
|
||||
|
||||
switch:
|
||||
#if ( PPC_HAS_FPU != 0 )
|
||||
#if ! defined( CPU_USE_DEFERRED_FP_SWITCH )
|
||||
#error missing include file???
|
||||
#endif
|
||||
mfmsr r4
|
||||
#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
|
||||
/* if the executing thread has FP enabled propagate
|
||||
* this now so _Thread_Dispatch can save/restore the FPREGS
|
||||
* NOTE: it is *crucial* to disable the FPU across the
|
||||
* user ISR [independent of using the 'deferred'
|
||||
* strategy or not]. We don't save FP regs across
|
||||
* the user ISR and hence we prefer an exception to
|
||||
* be raised rather than experiencing corruption.
|
||||
*/
|
||||
lwz r3, SRR1_FRAME_OFFSET(r1)
|
||||
rlwimi r4, r3, 0, 18, 18 /* MSR_FP */
|
||||
#else
|
||||
ori r4, r4, MSR_FP
|
||||
#endif
|
||||
mtmsr r4
|
||||
#endif
|
||||
bl SYM (_Thread_Dispatch)
|
||||
|
||||
easy_exit:
|
||||
|
||||
@@ -29,10 +29,6 @@
|
||||
#include <bsp/motorola.h>
|
||||
#include <rtems/bspIo.h>
|
||||
|
||||
/*
|
||||
#define SHOW_ISA_PCI_BRIDGE_SETTINGS
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
unsigned char bus; /* few chance the PCI/ISA bridge is not on first bus but ... */
|
||||
unsigned char device;
|
||||
@@ -68,14 +64,14 @@ static rtems_irq_connect_data defaultIrq = {
|
||||
};
|
||||
static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
|
||||
/*
|
||||
* actual rpiorities for interrupt :
|
||||
* actual priorities for interrupt :
|
||||
* 0 means that only current interrupt is masked
|
||||
* 255 means all other interrupts are masked
|
||||
*/
|
||||
/*
|
||||
* ISA interrupts.
|
||||
* The second entry has a priority of 255 because
|
||||
* it is the slave pic entry and is should always remain
|
||||
* it is the slave pic entry and should always remain
|
||||
* unmasked.
|
||||
*/
|
||||
0,0,
|
||||
@@ -91,6 +87,45 @@ static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
|
||||
0
|
||||
};
|
||||
|
||||
#if defined(mvme2100)
|
||||
static unsigned char mvme2100_openpic_initpolarities[16] = {
|
||||
0, /* Not used - should be disabled */
|
||||
0, /* DEC21143 Controller */
|
||||
0, /* PMC/PC-MIP Type I Slot 0 */
|
||||
0, /* PC-MIP Type I Slot 1 */
|
||||
0, /* PC-MIP Type II Slot 0 */
|
||||
0, /* PC-MIP Type II Slot 1 */
|
||||
0, /* Not used - should be disabled */
|
||||
0, /* PCI Expansion Interrupt A/Universe II (LINT0) */
|
||||
0, /* PCI Expansion Interrupt B/Universe II (LINT1) */
|
||||
0, /* PCI Expansion Interrupt C/Universe II (LINT2) */
|
||||
0, /* PCI Expansion Interrupt D/Universe II (LINT3) */
|
||||
0, /* Not used - should be disabled */
|
||||
0, /* Not used - should be disabled */
|
||||
1, /* 16550 UART */
|
||||
0, /* Front panel Abort Switch */
|
||||
0, /* RTC IRQ */
|
||||
};
|
||||
|
||||
static unsigned char mvme2100_openpic_initsenses[] = {
|
||||
0, /* Not used - should be disabled */
|
||||
1, /* DEC21143 Controller */
|
||||
1, /* PMC/PC-MIP Type I Slot 0 */
|
||||
1, /* PC-MIP Type I Slot 1 */
|
||||
1, /* PC-MIP Type II Slot 0 */
|
||||
1, /* PC-MIP Type II Slot 1 */
|
||||
0, /* Not used - should be disabled */
|
||||
1, /* PCI Expansion Interrupt A/Universe II (LINT0) */
|
||||
1, /* PCI Expansion Interrupt B/Universe II (LINT1) */
|
||||
1, /* PCI Expansion Interrupt C/Universe II (LINT2) */
|
||||
1, /* PCI Expansion Interrupt D/Universe II (LINT3) */
|
||||
0, /* Not used - should be disabled */
|
||||
0, /* Not used - should be disabled */
|
||||
1, /* 16550 UART */
|
||||
0, /* Front panel Abort Switch */
|
||||
1, /* RTC IRQ */
|
||||
};
|
||||
#else
|
||||
static unsigned char mcp750_openpic_initpolarities[16] = {
|
||||
1, /* 8259 cascade */
|
||||
0, /* all the rest of them */
|
||||
@@ -114,6 +149,7 @@ static unsigned char mcp750_openpic_initsenses[] = {
|
||||
1, /* MCP750_INT_PCI_BUS2_INTC */
|
||||
1, /* MCP750_INT_PCI_BUS2_INTD */
|
||||
};
|
||||
#endif
|
||||
|
||||
void VIA_isa_bridge_interrupts_setup(void)
|
||||
{
|
||||
@@ -226,17 +262,28 @@ loop_exit:
|
||||
*/
|
||||
void BSP_rtems_irq_mng_init(unsigned cpuId)
|
||||
{
|
||||
rtems_raw_except_connect_data vectorDesc;
|
||||
#if !defined(mvme2100)
|
||||
int known_cpi_isa_bridge = 0;
|
||||
#endif
|
||||
rtems_raw_except_connect_data vectorDesc;
|
||||
int i;
|
||||
|
||||
/*
|
||||
* First initialize the Interrupt management hardware
|
||||
*/
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
#if defined(mvme2100)
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("Going to initialize EPIC interrupt controller (openpic compliant)\n");
|
||||
#endif
|
||||
openpic_init(1, mvme2100_openpic_initpolarities, mvme2100_openpic_initsenses);
|
||||
#else
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("Going to initialize raven interrupt controller (openpic compliant)\n");
|
||||
#endif
|
||||
#endif
|
||||
openpic_init(1, mcp750_openpic_initpolarities, mcp750_openpic_initsenses);
|
||||
#endif
|
||||
|
||||
#if !defined(mvme2100)
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("Going to initialize the PCI/ISA bridge IRQ related setting (VIA 82C586)\n");
|
||||
#endif
|
||||
@@ -261,9 +308,12 @@ void BSP_rtems_irq_mng_init(unsigned cpuId)
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("Going to initialize the ISA PC legacy IRQ management hardware\n");
|
||||
#endif
|
||||
|
||||
BSP_i8259s_init();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Initialize Rtems management interrupt table
|
||||
* Initialize RTEMS management interrupt table
|
||||
*/
|
||||
/*
|
||||
* re-init the rtemsIrq table
|
||||
@@ -309,8 +359,8 @@ void BSP_rtems_irq_mng_init(unsigned cpuId)
|
||||
if (!mpc60x_set_exception (&vectorDesc)) {
|
||||
BSP_panic("Unable to initialize RTEMS external raw exception\n");
|
||||
}
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("RTEMS IRQ management is now operationnal\n");
|
||||
#ifdef TRACE_IRQ_INIT
|
||||
printk("RTEMS IRQ management is now operational\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
@@ -12,7 +12,7 @@
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
|
||||
#include <bsp.h>
|
||||
#include <bsp/motorola.h>
|
||||
#include <rtems/bspIo.h>
|
||||
#include <libcpu/io.h>
|
||||
@@ -20,8 +20,8 @@
|
||||
|
||||
|
||||
/*
|
||||
** Board-specific table that maps interrupt names to onboard pci
|
||||
** peripherals as well as local pci busses. This table is used at
|
||||
** Board-specific table that maps interrupt names to onboard PCI
|
||||
** peripherals as well as local PCI busses. This table is used at
|
||||
** bspstart() to configure the interrupt name & pin for all devices that
|
||||
** do not have it already specified. If the device is already
|
||||
** configured, we leave it alone but sanity check & print a warning if
|
||||
@@ -116,12 +116,18 @@ static struct _int_map mtx603_intmap[] = {
|
||||
|
||||
NULL_INTMAP };
|
||||
|
||||
static struct _int_map mvme2100_intmap[] = {
|
||||
{0, 0, 0, {{1, {16,-1,-1,-1}}, /* something shows up in slot 0 and OpenPIC */
|
||||
/* 0 is unused. This hushes the init code. */
|
||||
NULL_PINMAP}},
|
||||
|
||||
{0, 13, 0, {{1, {23,24,25,26}}, /* PCI INT[A-D]/Universe Lint[0-3] */
|
||||
NULL_PINMAP}},
|
||||
|
||||
{0, 14, 0, {{1, {17,-1,-1,-1}}, /* onboard ethernet */
|
||||
NULL_PINMAP}},
|
||||
|
||||
|
||||
|
||||
|
||||
NULL_INTMAP };
|
||||
|
||||
/*
|
||||
* This table represents the standard PCI swizzle defined in the
|
||||
@@ -141,14 +147,6 @@ static int prep_pci_swizzle(int slot, int pin)
|
||||
return prep_pci_intpins[ slot % 4 ][ pin-1 ];
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
typedef struct {
|
||||
/*
|
||||
* 0x100 mask assumes for Raven and Hawk boards
|
||||
@@ -163,7 +161,6 @@ typedef struct {
|
||||
int (*swizzler)(int, int);
|
||||
} mot_info_t;
|
||||
|
||||
|
||||
static const mot_info_t mot_boards[] = {
|
||||
{0x300, 0x00, "MVME 2400", NULL, NULL},
|
||||
{0x010, 0x00, "Genesis", NULL, NULL},
|
||||
@@ -185,13 +182,13 @@ static const mot_info_t mot_boards[] = {
|
||||
{0x1E0, 0xFD, "MVME 3600 with MVME712M", NULL, NULL},
|
||||
{0x1E0, 0xFE, "MVME 3600 with MVME761", NULL, NULL},
|
||||
{0x1E0, 0xFF, "MVME 1600-001 or 1600-011", NULL, NULL},
|
||||
{0x000, 0x00, ""}
|
||||
{0x000, 0x00, ""}, /* end of probeable values for automatic scan */
|
||||
{0x000, 0x00, "MVME 2100", mvme2100_intmap, prep_pci_swizzle},
|
||||
};
|
||||
|
||||
|
||||
|
||||
prep_t currentPrepType;
|
||||
motorolaBoard currentBoard;
|
||||
motorolaBoard currentBoard;
|
||||
|
||||
prep_t checkPrepBoardType(RESIDUAL *res)
|
||||
{
|
||||
prep_t PREP_type;
|
||||
@@ -213,13 +210,22 @@ prep_t checkPrepBoardType(RESIDUAL *res)
|
||||
return PREP_type;
|
||||
}
|
||||
|
||||
motorolaBoard getMotorolaBoard()
|
||||
motorolaBoard getMotorolaBoard()
|
||||
{
|
||||
/*
|
||||
* At least the MVME2100 does not have the CPU Type and Base Type Registers,
|
||||
* so it cannot be probed.
|
||||
*
|
||||
* NOTE: Every path must set currentBoard.
|
||||
*/
|
||||
#if defined(mvme2100)
|
||||
currentBoard = (motorolaBoard) MVME_2100;
|
||||
#else
|
||||
unsigned char cpu_type;
|
||||
unsigned char base_mod;
|
||||
int entry;
|
||||
int mot_entry = -1;
|
||||
|
||||
|
||||
cpu_type = inb(MOTOROLA_CPUTYPE_REG) & 0xF0;
|
||||
base_mod = inb(MOTOROLA_BASETYPE_REG);
|
||||
|
||||
@@ -234,7 +240,7 @@ motorolaBoard getMotorolaBoard()
|
||||
|
||||
if (mot_boards[entry].base_type != base_mod)
|
||||
continue;
|
||||
else{
|
||||
else {
|
||||
mot_entry = entry;
|
||||
break;
|
||||
}
|
||||
@@ -247,6 +253,7 @@ motorolaBoard getMotorolaBoard()
|
||||
return currentBoard;
|
||||
}
|
||||
currentBoard = (motorolaBoard) mot_entry;
|
||||
#endif
|
||||
return currentBoard;
|
||||
}
|
||||
|
||||
@@ -261,6 +268,7 @@ const char* motorolaBoardToString(motorolaBoard board)
|
||||
const struct _int_map *motorolaIntMap(motorolaBoard board)
|
||||
{
|
||||
if (board == MOTOROLA_UNKNOWN) return NULL;
|
||||
/* printk( "IntMap board %d 0x%08x\n", board, mot_boards[board].intmap ); */
|
||||
return mot_boards[board].intmap;
|
||||
}
|
||||
|
||||
|
||||
@@ -52,6 +52,8 @@ typedef enum {
|
||||
MVME_3600_W_MVME712M = 17,
|
||||
MVME_3600_W_MVME761 = 18,
|
||||
MVME_1600 = 19,
|
||||
/* In the table, slot 20 is the marker for end of automatic probe and scan */
|
||||
MVME_2100 = 21,
|
||||
MOTOROLA_UNKNOWN = 255
|
||||
} motorolaBoard;
|
||||
|
||||
@@ -59,7 +61,7 @@ typedef enum {
|
||||
HOST_BRIDGE_RAVEN = 0,
|
||||
HOST_BRIDGE_HAWK = 1,
|
||||
HOST_BRIDGE_UNKNOWN = 255
|
||||
}motorolaHostBridge;
|
||||
} motorolaHostBridge;
|
||||
|
||||
#define MOTOROLA_CPUTYPE_REG 0x800
|
||||
#define MOTOROLA_BASETYPE_REG 0x803
|
||||
|
||||
@@ -20,12 +20,12 @@
|
||||
*/
|
||||
|
||||
#include <rtems.h>
|
||||
#include <bsp.h>
|
||||
#include <rtems/bspIo.h>
|
||||
#include <bsp/openpic.h>
|
||||
#include <bsp/pci.h>
|
||||
#include <libcpu/io.h>
|
||||
#include <libcpu/byteorder.h>
|
||||
#include <bsp.h>
|
||||
#include <rtems/bspIo.h>
|
||||
|
||||
#ifndef NULL
|
||||
@@ -198,7 +198,9 @@ void openpic_init(int main_pic, unsigned char *polarities, unsigned char *senses
|
||||
OPENPIC_VENDOR_ID_STEPPING_SHIFT;
|
||||
|
||||
/* Kludge for the Raven */
|
||||
/*
|
||||
pci_read_config_dword(0, 0, 0, 0, &t);
|
||||
*/
|
||||
if (t == PCI_VENDOR_ID_MOTOROLA + (PCI_DEVICE_ID_MOTOROLA_RAVEN<<16)) {
|
||||
vendor = "Motorola";
|
||||
device = "Raven";
|
||||
@@ -479,6 +481,11 @@ unsigned long flags;
|
||||
|
||||
void openpic_initirq(unsigned int irq, unsigned int pri, unsigned int vec, int pol, int sense)
|
||||
{
|
||||
#if 0
|
||||
printk("openpic_initirq: irq=%d pri=%d vec=%d pol=%d sense=%d\n",
|
||||
irq, pri, vec, pol, sense);
|
||||
#endif
|
||||
|
||||
check_arg_irq(irq);
|
||||
check_arg_pri(pri);
|
||||
check_arg_vec(vec);
|
||||
|
||||
@@ -37,12 +37,15 @@
|
||||
#ifndef _RTEMS_OPENPIC_H
|
||||
#define _RTEMS_OPENPIC_H
|
||||
|
||||
|
||||
/*
|
||||
* OpenPIC supports up to 2048 interrupt sources and up to 32 processors
|
||||
*/
|
||||
|
||||
#if defined(mpc8240) || defined(mpc8245)
|
||||
#define OPENPIC_MAX_SOURCES (2048 - 16)
|
||||
#else
|
||||
#define OPENPIC_MAX_SOURCES 2048
|
||||
#endif
|
||||
#define OPENPIC_MAX_PROCESSORS 32
|
||||
|
||||
#define OPENPIC_NUM_TIMERS 4
|
||||
@@ -157,6 +160,9 @@ typedef struct _OpenPIC_Global {
|
||||
OpenPIC_Reg _Timer_Frequency; /* Read/Write */
|
||||
OpenPIC_Timer Timer[OPENPIC_NUM_TIMERS];
|
||||
char Pad1[0xee00];
|
||||
#if defined(mpc8240) || defined(mpc8245)
|
||||
char Pad2[0x0200];
|
||||
#endif
|
||||
} OpenPIC_Global;
|
||||
|
||||
|
||||
|
||||
@@ -12,20 +12,22 @@
|
||||
#include <bsp/openpic.h>
|
||||
|
||||
#include <rtems/bspIo.h>
|
||||
#include <libcpu/cpuIdent.h>
|
||||
|
||||
#define RAVEN_MPIC_IOSPACE_ENABLE 0x1
|
||||
#define RAVEN_MPIC_MEMSPACE_ENABLE 0x2
|
||||
#define RAVEN_MASTER_ENABLE 0x4
|
||||
#define RAVEN_PARITY_CHECK_ENABLE 0x40
|
||||
#define RAVEN_SYSTEM_ERROR_ENABLE 0x100
|
||||
#define RAVEN_CLEAR_EVENTS_MASK 0xf9000000
|
||||
#define RAVEN_MPIC_IOSPACE_ENABLE 0x0001
|
||||
#define RAVEN_MPIC_MEMSPACE_ENABLE 0x0002
|
||||
#define RAVEN_MASTER_ENABLE 0x0004
|
||||
#define RAVEN_PARITY_CHECK_ENABLE 0x0040
|
||||
#define RAVEN_SYSTEM_ERROR_ENABLE 0x0100
|
||||
#define RAVEN_CLEAR_EVENTS_MASK 0xf9000000
|
||||
|
||||
#define RAVEN_MPIC_MEREN ((volatile unsigned *)0xfeff0020)
|
||||
#define RAVEN_MPIC_MERST ((volatile unsigned *)0xfeff0024)
|
||||
#define RAVEN_MPIC_MEREN ((volatile unsigned *)0xfeff0020)
|
||||
#define RAVEN_MPIC_MERST ((volatile unsigned *)0xfeff0024)
|
||||
/* enable machine check on all conditions */
|
||||
#define MEREN_VAL 0x2f00
|
||||
#define MEREN_VAL 0x2f00
|
||||
|
||||
#define pci BSP_pci_configuration
|
||||
extern unsigned int EUMBBAR;
|
||||
|
||||
extern const pci_config_access_functions pci_direct_functions;
|
||||
extern const pci_config_access_functions pci_indirect_functions;
|
||||
@@ -35,48 +37,65 @@ _BSP_clear_hostbridge_errors(int enableMCP, int quiet)
|
||||
{
|
||||
unsigned merst;
|
||||
|
||||
merst = in_be32(RAVEN_MPIC_MERST);
|
||||
/* write back value to clear status */
|
||||
out_be32(RAVEN_MPIC_MERST, merst);
|
||||
merst = in_be32(RAVEN_MPIC_MERST);
|
||||
/* write back value to clear status */
|
||||
out_be32(RAVEN_MPIC_MERST, merst);
|
||||
|
||||
if (enableMCP) {
|
||||
if (!quiet)
|
||||
printk("Enabling MCP generation on hostbridge errors\n");
|
||||
out_be32(RAVEN_MPIC_MEREN, MEREN_VAL);
|
||||
} else {
|
||||
out_be32(RAVEN_MPIC_MEREN, 0);
|
||||
if ( !quiet && enableMCP ) {
|
||||
printk("leaving MCP interrupt disabled\n");
|
||||
}
|
||||
}
|
||||
return (merst & 0xffff);
|
||||
if (enableMCP) {
|
||||
/* disallow MCP for now; (pci config access to empty slot faults :-() */
|
||||
return -1;
|
||||
if (!quiet)
|
||||
printk("Enabling MCP generation on hostbridge errors\n");
|
||||
out_be32(RAVEN_MPIC_MEREN, MEREN_VAL);
|
||||
} else {
|
||||
out_be32(RAVEN_MPIC_MEREN, 0);
|
||||
if ( !quiet && enableMCP ) {
|
||||
printk("leaving MCP interrupt disabled\n");
|
||||
}
|
||||
}
|
||||
return (merst & 0xffff);
|
||||
}
|
||||
|
||||
void detect_host_bridge()
|
||||
{
|
||||
#if (defined(mpc8240) || defined(mpc8245))
|
||||
/*
|
||||
* If the processor is an 8240 or an 8245 then the PIC is built
|
||||
* in instead of being on the PCI bus. The MVME2100 is using Processor
|
||||
* Address Map B (CHRP) although the Programmer's Reference Guide says
|
||||
* it defaults to Map A.
|
||||
*/
|
||||
/* We have an EPIC Interrupt Controller */
|
||||
OpenPIC = (volatile struct OpenPIC *) (EUMBBAR + BSP_OPEN_PIC_BASE_OFFSET);
|
||||
pci.pci_functions = &pci_indirect_functions;
|
||||
pci.pci_config_addr = (volatile unsigned char *) 0xfec00000;
|
||||
pci.pci_config_data = (volatile unsigned char *) 0xfee00000;
|
||||
#else
|
||||
|
||||
PPC_DEVICE *hostbridge;
|
||||
unsigned int id0;
|
||||
unsigned int tmp;
|
||||
|
||||
|
||||
/*
|
||||
* This code assumes that the host bridge is located at
|
||||
* bus 0, dev 0, func 0 AND that the old pre PCI 2.1
|
||||
* standart devices detection mecahnism that was used on PC
|
||||
* (still used in BSD source code) works.
|
||||
*/
|
||||
hostbridge=residual_find_device(&residualCopy, PROCESSORDEVICE, NULL,
|
||||
BridgeController,
|
||||
PCIBridge, -1, 0);
|
||||
hostbridge=residual_find_device(&residualCopy, PROCESSORDEVICE, NULL,
|
||||
BridgeController,
|
||||
PCIBridge, -1, 0);
|
||||
|
||||
if (hostbridge) {
|
||||
if (hostbridge->DeviceId.Interface==PCIBridgeIndirect) {
|
||||
pci.pci_functions=&pci_indirect_functions;
|
||||
/* Should be extracted from residual data,
|
||||
/* Should be extracted from residual data,
|
||||
* indeed MPC106 in CHRP mode is different,
|
||||
* but we should not use residual data in
|
||||
* this case anyway.
|
||||
* this case anyway.
|
||||
*/
|
||||
pci.pci_config_addr = ((volatile unsigned char *)
|
||||
(ptr_mem_map->io_base+0xcf8));
|
||||
pci.pci_config_addr = ((volatile unsigned char *)
|
||||
(ptr_mem_map->io_base+0xcf8));
|
||||
pci.pci_config_data = ptr_mem_map->io_base+0xcfc;
|
||||
} else if(hostbridge->DeviceId.Interface==PCIBridgeDirect) {
|
||||
pci.pci_functions=&pci_direct_functions;
|
||||
@@ -87,14 +106,15 @@ void detect_host_bridge()
|
||||
/* Let us try by experimentation at our own risk! */
|
||||
pci.pci_functions = &pci_direct_functions;
|
||||
/* On all direct bridges I know the host bridge itself
|
||||
* appears as device 0 function 0.
|
||||
*/
|
||||
* appears as device 0 function 0.
|
||||
*/
|
||||
pci_read_config_dword(0, 0, 0, PCI_VENDOR_ID, &id0);
|
||||
if (id0==~0U) {
|
||||
pci.pci_functions = &pci_indirect_functions;
|
||||
pci.pci_config_addr = ((volatile unsigned char*)
|
||||
(ptr_mem_map->io_base+0xcf8));
|
||||
pci.pci_config_data = ((volatile unsigned char*)ptr_mem_map->io_base+0xcfc);
|
||||
pci.pci_config_addr = (volatile unsigned char*)
|
||||
(ptr_mem_map->io_base+0xcf8);
|
||||
pci.pci_config_data = (volatile unsigned char*)
|
||||
(ptr_mem_map->io_base+0xcfc);
|
||||
}
|
||||
/* Here we should check that the host bridge is actually
|
||||
* present, but if it not, we are in such a desperate
|
||||
@@ -102,40 +122,42 @@ void detect_host_bridge()
|
||||
*/
|
||||
}
|
||||
pci_read_config_dword(0, 0, 0, 0, &id0);
|
||||
|
||||
if(id0 == PCI_VENDOR_ID_MOTOROLA +
|
||||
(PCI_DEVICE_ID_MOTOROLA_RAVEN<<16)) {
|
||||
/*
|
||||
* We have a Raven bridge. We will get information about its settings
|
||||
*/
|
||||
pci_read_config_dword(0, 0, 0, PCI_COMMAND, &id0);
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("RAVEN PCI command register = %x\n",id0);
|
||||
#endif
|
||||
#endif
|
||||
id0 |= RAVEN_CLEAR_EVENTS_MASK;
|
||||
pci_write_config_dword(0, 0, 0, PCI_COMMAND, id0);
|
||||
pci_read_config_dword(0, 0, 0, PCI_COMMAND, &id0);
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("After error clearing RAVEN PCI command register = %x\n",id0);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
if (id0 & RAVEN_MPIC_IOSPACE_ENABLE) {
|
||||
pci_read_config_dword(0, 0, 0,PCI_BASE_ADDRESS_0, &tmp);
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("Raven MPIC is accessed via IO Space Access at address : %x\n",(tmp & ~0x1));
|
||||
#endif
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("Raven MPIC is accessed via IO Space Access at address : %x\n",
|
||||
(tmp & ~0x1));
|
||||
#endif
|
||||
}
|
||||
if (id0 & RAVEN_MPIC_MEMSPACE_ENABLE) {
|
||||
pci_read_config_dword(0, 0, 0,PCI_BASE_ADDRESS_1, &tmp);
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("Raven MPIC is accessed via memory Space Access at address : %x\n", tmp);
|
||||
#endif
|
||||
#ifdef SHOW_RAVEN_SETTING
|
||||
printk("Raven MPIC is accessed via memory Space Access"
|
||||
"at address : %x\n", tmp)
|
||||
#endif
|
||||
OpenPIC=(volatile struct OpenPIC *) (tmp + PREP_ISA_MEM_BASE);
|
||||
printk("OpenPIC found at %x.\n",
|
||||
OpenPIC);
|
||||
printk("OpenPIC found at %x.\n", OpenPIC);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (OpenPIC == (volatile struct OpenPIC *)0) {
|
||||
BSP_panic("OpenPic Not found\n");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
/*
|
||||
* pci.c : this file contains basic PCI Io functions.
|
||||
*
|
||||
* CopyRight (C) 1999 valette@crf.canon.fr
|
||||
* Copyright (C) 1999 valette@crf.canon.fr
|
||||
*
|
||||
* This code is heavilly inspired by the public specification of STREAM V2
|
||||
* This code is heavily inspired by the public specification of STREAM V2
|
||||
* that can be found at :
|
||||
*
|
||||
* <http://www.chorus.com/Documentation/index.html> by following
|
||||
@@ -217,17 +217,6 @@ const pci_config_access_functions pci_direct_functions = {
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#define PRINT_MSG() \
|
||||
printk("pci : Device %d:%02x routed to interrupt_line %d\n", pbus, pslot, int_name )
|
||||
|
||||
@@ -236,9 +225,15 @@ const pci_config_access_functions pci_direct_functions = {
|
||||
** Validate a test interrupt name and print a warning if its not one of
|
||||
** the names defined in the routing record.
|
||||
*/
|
||||
static int test_intname( struct _int_map *row, int pbus, int pslot, int int_pin, int int_name )
|
||||
static int test_intname(
|
||||
const struct _int_map *row,
|
||||
int pbus,
|
||||
int pslot,
|
||||
int int_pin,
|
||||
int int_name
|
||||
)
|
||||
{
|
||||
int j,k;
|
||||
int j, k;
|
||||
int _nopin= -1, _noname= -1;
|
||||
|
||||
for(j=0; row->pin_route[j].pin > -1; j++)
|
||||
@@ -333,7 +328,7 @@ static int FindPCIbridge( int mybus, struct pcibridge *pb )
|
||||
|
||||
|
||||
|
||||
void FixupPCI( struct _int_map *bspmap, int (*swizzler)(int,int) )
|
||||
void FixupPCI( const struct _int_map *bspmap, int (*swizzler)(int,int) )
|
||||
{
|
||||
unsigned char cvalue;
|
||||
unsigned16 devid;
|
||||
|
||||
@@ -1164,7 +1164,7 @@ struct _int_map
|
||||
struct _pin_routes pin_route[5];
|
||||
};
|
||||
|
||||
void FixupPCI( struct _int_map *, int (*swizzler)(int,int) );
|
||||
void FixupPCI( const struct _int_map *, int (*swizzler)(int,int) );
|
||||
|
||||
|
||||
/* scan for a specific device */
|
||||
|
||||
@@ -14,6 +14,7 @@
|
||||
#include <asm.h>
|
||||
#include <rtems/score/cpu.h>
|
||||
#include <libcpu/io.h>
|
||||
#include <bspopts.h>
|
||||
|
||||
#define SYNC \
|
||||
sync; \
|
||||
@@ -28,7 +29,6 @@
|
||||
li r10,0x63 ; \
|
||||
sc
|
||||
|
||||
|
||||
.text
|
||||
.globl __rtems_entry_point
|
||||
.type __rtems_entry_point,@function
|
||||
@@ -67,13 +67,24 @@ __rtems_entry_point:
|
||||
* of RAM to KERNELBASE.
|
||||
*/
|
||||
lis r11,KERNELBASE@h
|
||||
ori r11,r11,0x1ffe /* set up BAT registers for 604 */
|
||||
/* set up BAT registers for 604 */
|
||||
ori r11,r11,0x1ffe
|
||||
li r8,2 /* R/W access */
|
||||
isync
|
||||
#if defined(mvme2100)
|
||||
/* BSP_vme_config() wants to use BAT0, this board will use the
|
||||
* available BAT1 to map RAM.
|
||||
*/
|
||||
mtspr DBAT1L,r8 /* N.B. 6xx (not 601) have valid */
|
||||
mtspr DBAT1U,r11 /* bit in upper BAT register */
|
||||
mtspr IBAT1L,r8
|
||||
mtspr IBAT1U,r11
|
||||
#else
|
||||
mtspr DBAT0L,r8 /* N.B. 6xx (not 601) have valid */
|
||||
mtspr DBAT0U,r11 /* bit in upper BAT register */
|
||||
mtspr IBAT0L,r8
|
||||
mtspr IBAT0U,r11
|
||||
#endif
|
||||
isync
|
||||
|
||||
/*
|
||||
@@ -87,7 +98,7 @@ __rtems_entry_point:
|
||||
|
||||
enter_C_code:
|
||||
bl MMUon
|
||||
bl __eabi /* setup EABI and SYSV environment */
|
||||
bl __eabi /* setup EABI and SYSV environment */
|
||||
bl zero_bss
|
||||
/*
|
||||
* restore prep boot params
|
||||
@@ -105,7 +116,8 @@ enter_C_code:
|
||||
addi r9,r9, __rtems_end+(4096-CPU_MINIMUM_STACK_FRAME_SIZE)@l
|
||||
mr r1, r9
|
||||
/*
|
||||
* We are know in a environment that is totally independent from bootloader setup.
|
||||
* We are now in a environment that is totally independent from
|
||||
* bootloader setup.
|
||||
*/
|
||||
lis r5,environ@ha
|
||||
la r5,environ@l(r5) /* environp */
|
||||
@@ -113,16 +125,15 @@ enter_C_code:
|
||||
li r3, 0 /* argc */
|
||||
bl boot_card
|
||||
bl _return_to_ppcbug
|
||||
|
||||
|
||||
.globl MMUon
|
||||
.type MMUon,@function
|
||||
MMUon:
|
||||
MMUon:
|
||||
mfmsr r0
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
ori r0,r0, MSR_IP | MSR_RI | MSR_IR | MSR_DR | MSR_EE | MSR_FE0 | MSR_FE1 | MSR_FP
|
||||
#if (PPC_HAS_FPU == 0)
|
||||
xori r0, r0, MSR_EE | MSR_IP | MSR_FP
|
||||
#else
|
||||
ori r0,r0, MSR_IP | MSR_RI | MSR_IR | MSR_DR | MSR_EE | MSR_FE0 | MSR_FE1 | MSR_FP
|
||||
xori r0, r0, MSR_EE | MSR_IP | MSR_FE0 | MSR_FE1
|
||||
#endif
|
||||
mflr r11
|
||||
@@ -130,10 +141,10 @@ MMUon:
|
||||
mtsrr1 r0
|
||||
SYNC
|
||||
rfi
|
||||
|
||||
|
||||
.globl MMUoff
|
||||
.type MMUoff,@function
|
||||
MMUoff:
|
||||
MMUoff:
|
||||
mfmsr r0
|
||||
ori r0,r0,MSR_IR| MSR_DR | MSR_IP
|
||||
mflr r11
|
||||
|
||||
@@ -19,6 +19,7 @@
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include <bsp.h>
|
||||
#include <rtems/libio.h>
|
||||
#include <rtems/libcsupport.h>
|
||||
#include <bsp/consoleIo.h>
|
||||
@@ -28,7 +29,6 @@
|
||||
#include <bsp/openpic.h>
|
||||
#include <bsp/irq.h>
|
||||
#include <bsp/VME.h>
|
||||
#include <bsp.h>
|
||||
#include <libcpu/bat.h>
|
||||
#include <libcpu/pte121.h>
|
||||
#include <libcpu/cpuIdent.h>
|
||||
@@ -48,6 +48,41 @@ extern void BSP_vme_config();
|
||||
SPR_RW(SPRG0)
|
||||
SPR_RW(SPRG1)
|
||||
|
||||
#if defined(DEBUG_BATS)
|
||||
void printBAT( int bat, unsigned32 upper, unsigned32 lower )
|
||||
{
|
||||
unsigned32 lowest_addr;
|
||||
unsigned32 size;
|
||||
|
||||
printk("BAT%d raw(upper=0x%08x, lower=0x%08x) ", bat, upper, lower );
|
||||
|
||||
lowest_addr = (upper & 0xFFFE0000);
|
||||
size = (((upper & 0x00001FFC) >> 2) + 1) * (128 * 1024);
|
||||
printk(" range(0x%08x, 0x%08x) %s%s %s%s%s%s %s\n",
|
||||
lowest_addr,
|
||||
lowest_addr + (size - 1),
|
||||
(upper & 0x01) ? "P" : "p",
|
||||
(upper & 0x02) ? "S" : "s",
|
||||
(lower & 0x08) ? "G" : "g",
|
||||
(lower & 0x10) ? "M" : "m",
|
||||
(lower & 0x20) ? "I" : "i",
|
||||
(lower & 0x40) ? "W" : "w",
|
||||
(lower & 0x01) ? "Read Only" :
|
||||
((lower & 0x02) ? "Read/Write" : "No Access")
|
||||
);
|
||||
}
|
||||
|
||||
void ShowBATS(){
|
||||
unsigned32 lower;
|
||||
unsigned32 upper;
|
||||
|
||||
__MFSPR(536, upper); __MFSPR(537, lower); printBAT( 0, upper, lower );
|
||||
__MFSPR(538, upper); __MFSPR(539, lower); printBAT( 1, upper, lower );
|
||||
__MFSPR(540, upper); __MFSPR(541, lower); printBAT( 2, upper, lower );
|
||||
__MFSPR(542, upper); __MFSPR(543, lower); printBAT( 3, upper, lower );
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Copy of residuals passed by firmware
|
||||
*/
|
||||
@@ -130,28 +165,28 @@ void bsp_libc_init( void *, unsigned32, int );
|
||||
|
||||
void bsp_pretasking_hook(void)
|
||||
{
|
||||
rtems_unsigned32 heap_start;
|
||||
rtems_unsigned32 heap_size;
|
||||
rtems_unsigned32 heap_sbrk_spared;
|
||||
extern rtems_unsigned32 _bsp_sbrk_init(rtems_unsigned32, rtems_unsigned32*);
|
||||
rtems_unsigned32 heap_start;
|
||||
rtems_unsigned32 heap_size;
|
||||
rtems_unsigned32 heap_sbrk_spared;
|
||||
extern rtems_unsigned32 _bsp_sbrk_init(rtems_unsigned32, rtems_unsigned32*);
|
||||
|
||||
heap_start = ((rtems_unsigned32) __rtems_end) +INIT_STACK_SIZE + INTR_STACK_SIZE;
|
||||
if (heap_start & (CPU_ALIGNMENT-1))
|
||||
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
|
||||
heap_start = ((rtems_unsigned32) __rtems_end) +
|
||||
INIT_STACK_SIZE + INTR_STACK_SIZE;
|
||||
if (heap_start & (CPU_ALIGNMENT-1))
|
||||
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
|
||||
|
||||
heap_size = (BSP_mem_size - heap_start) - BSP_Configuration.work_space_size;
|
||||
|
||||
heap_sbrk_spared=_bsp_sbrk_init(heap_start, &heap_size);
|
||||
heap_size = (BSP_mem_size - heap_start) - BSP_Configuration.work_space_size;
|
||||
heap_sbrk_spared=_bsp_sbrk_init(heap_start, &heap_size);
|
||||
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk(" HEAP start %x size %x (%x bytes spared for sbrk)\n", heap_start, heap_size, heap_sbrk_spared);
|
||||
printk( "HEAP start %x size %x (%x bytes spared for sbrk)\n",
|
||||
heap_start, heap_size, heap_sbrk_spared);
|
||||
#endif
|
||||
|
||||
bsp_libc_init((void *) 0, heap_size, heap_sbrk_spared);
|
||||
|
||||
bsp_libc_init((void *) 0, heap_size, heap_sbrk_spared);
|
||||
|
||||
#ifdef RTEMS_DEBUG
|
||||
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
|
||||
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
|
||||
#endif
|
||||
}
|
||||
|
||||
@@ -173,6 +208,33 @@ void save_boot_params(RESIDUAL* r3, void *r4, void* r5, char *additional_boot_op
|
||||
loaderParam[MAX_LOADER_ADD_PARM - 1] ='\0';
|
||||
}
|
||||
|
||||
#if defined(mpc8240) || defined(mpc8245)
|
||||
unsigned int EUMBBAR;
|
||||
|
||||
/*
|
||||
* Return the current value of the Embedded Utilities Memory Block Base Address
|
||||
* Register (EUMBBAR) as read from the processor configuration register using
|
||||
* Processor Address Map B (CHRP).
|
||||
*/
|
||||
unsigned int get_eumbbar() {
|
||||
register int a, e;
|
||||
|
||||
asm volatile( "lis %0,0xfec0; ori %0,%0,0x0000": "=r" (a) );
|
||||
asm volatile("sync");
|
||||
|
||||
asm volatile("lis %0,0x8000; ori %0,%0,0x0078": "=r"(e) );
|
||||
asm volatile("stwbrx %0,0x0,%1": "=r"(e): "r"(a));
|
||||
asm volatile("sync");
|
||||
|
||||
asm volatile("lis %0,0xfee0; ori %0,%0,0x0000": "=r" (a) );
|
||||
asm volatile("sync");
|
||||
|
||||
asm volatile("lwbrx %0,0x0,%1": "=r" (e): "r" (a));
|
||||
asm volatile("isync");
|
||||
return e;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* bsp_start
|
||||
*
|
||||
@@ -181,7 +243,6 @@ void save_boot_params(RESIDUAL* r3, void *r4, void* r5, char *additional_boot_op
|
||||
|
||||
void bsp_start( void )
|
||||
{
|
||||
int err;
|
||||
unsigned char *stack;
|
||||
unsigned l2cr;
|
||||
register unsigned char* intrStack;
|
||||
@@ -191,17 +252,50 @@ void bsp_start( void )
|
||||
prep_t boardManufacturer;
|
||||
motorolaBoard myBoard;
|
||||
Triv121PgTbl pt=0;
|
||||
|
||||
select_console(CONSOLE_SERIAL);
|
||||
/*
|
||||
* Get CPU identification dynamically. Note that the get_ppc_cpu_type() function
|
||||
* store the result in global variables so that it can be used latter...
|
||||
* Get CPU identification dynamically. Note that the get_ppc_cpu_type()
|
||||
* function store the result in global variables so that it can be used
|
||||
* later...
|
||||
*/
|
||||
myCpu = get_ppc_cpu_type();
|
||||
myCpuRevision = get_ppc_cpu_revision();
|
||||
|
||||
/*
|
||||
* Init MMU block address translation to enable hardware access
|
||||
*/
|
||||
|
||||
#if !defined(mvme2100)
|
||||
/*
|
||||
* PC legacy IO space used for inb/outb and all PC compatible hardware
|
||||
*/
|
||||
setdbat(1, _IO_BASE, _IO_BASE, 0x10000000, IO_PAGE);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* PCI devices memory area. Needed to access OpenPIC features
|
||||
* provided by the Raven
|
||||
*
|
||||
* T. Straumann: give more PCI address space
|
||||
*/
|
||||
setdbat(2, PCI_MEM_BASE, PCI_MEM_BASE, 0x10000000, IO_PAGE);
|
||||
|
||||
/*
|
||||
* Must have access to OpenPIC PCI ACK registers provided by the Raven
|
||||
*/
|
||||
setdbat(3, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE);
|
||||
|
||||
#if defined(mvme2100)
|
||||
EUMBBAR = get_eumbbar();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* enables L1 Cache. Note that the L1_caches_enables() codes checks for
|
||||
* relevant CPU type so that the reason why there is no use of myCpu...
|
||||
*/
|
||||
L1_caches_enables();
|
||||
|
||||
/*
|
||||
* Enable L2 Cache. Note that the set_L2CR(L2CR) codes checks for
|
||||
* relevant CPU type (mpc750)...
|
||||
@@ -212,24 +306,27 @@ void bsp_start( void )
|
||||
#endif
|
||||
if ( (! (l2cr & 0x80000000)) && ((int) l2cr == -1))
|
||||
set_L2CR(0xb9A14000);
|
||||
|
||||
/*
|
||||
* the initial stack has aready been set to this value in start.S
|
||||
* the initial stack has already been set to this value in start.S
|
||||
* so there is no need to set it in r1 again... It is just for info
|
||||
* so that It can be printed without accessing R1.
|
||||
*/
|
||||
stack = ((unsigned char*) __rtems_end) + INIT_STACK_SIZE - CPU_MINIMUM_STACK_FRAME_SIZE;
|
||||
stack = ((unsigned char*) __rtems_end) +
|
||||
INIT_STACK_SIZE - CPU_MINIMUM_STACK_FRAME_SIZE;
|
||||
|
||||
/* tag the bottom (T. Straumann 6/36/2001 <strauman@slac.stanford.edu>) */
|
||||
/* tag the bottom (T. Straumann 6/36/2001 <strauman@slac.stanford.edu>) */
|
||||
*((unsigned32 *)stack) = 0;
|
||||
|
||||
/*
|
||||
* Initialize the interrupt related settings
|
||||
* SPRG1 = software managed IRQ stack
|
||||
*
|
||||
* This could be done latter (e.g in IRQ_INIT) but it helps to understand
|
||||
* This could be done later (e.g in IRQ_INIT) but it helps to understand
|
||||
* some settings below...
|
||||
*/
|
||||
intrStack = ((unsigned char*) __rtems_end) + INIT_STACK_SIZE + INTR_STACK_SIZE - CPU_MINIMUM_STACK_FRAME_SIZE;
|
||||
intrStack = ((unsigned char*) __rtems_end) +
|
||||
INIT_STACK_SIZE + INTR_STACK_SIZE - CPU_MINIMUM_STACK_FRAME_SIZE;
|
||||
|
||||
/* make sure it's properly aligned */
|
||||
(unsigned32)intrStack &= ~(CPU_STACK_ALIGNMENT-1);
|
||||
@@ -242,39 +339,27 @@ void bsp_start( void )
|
||||
/* signal them that we have fixed PR288 - eventually, this should go away */
|
||||
_write_SPRG0(PPC_BSP_HAS_FIXED_PR288);
|
||||
|
||||
/* initialize_exceptions() evaluates the exceptions_in_RAM flag */
|
||||
Cpu_table.exceptions_in_RAM = TRUE;
|
||||
/*
|
||||
* Initialize default raw exception hanlders. See vectors/vectors_init.c
|
||||
* Initialize default raw exception handlers. See vectors/vectors_init.c
|
||||
*/
|
||||
initialize_exceptions();
|
||||
/*
|
||||
* Init MMU block address translation to enable hardware
|
||||
* access
|
||||
*/
|
||||
/*
|
||||
* PC legacy IO space used for inb/outb and all PC
|
||||
* compatible hardware
|
||||
*/
|
||||
setdbat(1, _IO_BASE, _IO_BASE, 0x10000000, IO_PAGE);
|
||||
/*
|
||||
* PCI devices memory area. Needed to access OPENPIC features
|
||||
* provided by the RAVEN
|
||||
*/
|
||||
/* T. Straumann: give more PCI address space */
|
||||
setdbat(2, PCI_MEM_BASE, PCI_MEM_BASE, 0x10000000, IO_PAGE);
|
||||
/*
|
||||
* Must have acces to open pic PCI ACK registers
|
||||
* provided by the RAVEN
|
||||
*
|
||||
*/
|
||||
setdbat(3, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE);
|
||||
|
||||
select_console(CONSOLE_LOG);
|
||||
|
||||
/* We check that the keyboard is present and immediately
|
||||
/*
|
||||
* We check that the keyboard is present and immediately
|
||||
* select the serial console if not.
|
||||
*/
|
||||
err = kbdreset();
|
||||
if (err) select_console(CONSOLE_SERIAL);
|
||||
#if defined(BSP_KBD_IOBASE)
|
||||
{ int err;
|
||||
err = kbdreset();
|
||||
if (err) select_console(CONSOLE_SERIAL);
|
||||
}
|
||||
#else
|
||||
select_console(CONSOLE_SERIAL);
|
||||
#endif
|
||||
|
||||
boardManufacturer = checkPrepBoardType(&residualCopy);
|
||||
if (boardManufacturer != PREP_Motorola) {
|
||||
@@ -284,7 +369,8 @@ void bsp_start( void )
|
||||
myBoard = getMotorolaBoard();
|
||||
|
||||
printk("-----------------------------------------\n");
|
||||
printk("Welcome to %s on %s\n", _RTEMS_version, motorolaBoardToString(myBoard));
|
||||
printk("Welcome to %s on %s\n", _RTEMS_version,
|
||||
motorolaBoardToString(myBoard));
|
||||
printk("-----------------------------------------\n");
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk("Residuals are located at %x\n", (unsigned) &residualCopy);
|
||||
@@ -308,18 +394,17 @@ void bsp_start( void )
|
||||
#endif
|
||||
InitializePCI();
|
||||
|
||||
{
|
||||
struct _int_map *bspmap = motorolaIntMap(currentBoard);
|
||||
if( bspmap )
|
||||
{
|
||||
printk("pci : Configuring interrupt routing for '%s'\n", motorolaBoardToString(currentBoard));
|
||||
{
|
||||
const struct _int_map *bspmap = motorolaIntMap(currentBoard);
|
||||
if( bspmap ) {
|
||||
printk("pci : Configuring interrupt routing for '%s'\n",
|
||||
motorolaBoardToString(currentBoard));
|
||||
FixupPCI(bspmap, motorolaIntSwizzle(currentBoard) );
|
||||
}
|
||||
else
|
||||
printk("pci : Interrupt routing not available for this bsp\n");
|
||||
}
|
||||
|
||||
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk("Number of PCI buses found is : %d\n", BusCountPCI());
|
||||
#endif
|
||||
@@ -330,25 +415,31 @@ void bsp_start( void )
|
||||
*/
|
||||
__asm__ __volatile ("sc");
|
||||
/*
|
||||
* Check we can still catch exceptions and returned coorectly.
|
||||
* Check we can still catch exceptions and return correctly.
|
||||
*/
|
||||
printk("Testing exception handling Part 2\n");
|
||||
__asm__ __volatile ("sc");
|
||||
|
||||
/*
|
||||
* Somehow doing the above seems to clobber SPRG0 on the mvme2100. It
|
||||
* is probably a not so subtle hint that you do not want to use PPCBug
|
||||
* once RTEMS is up and running. Anyway, we still needs to indicate
|
||||
* that we have fixed PR288. Eventually, this should go away.
|
||||
*/
|
||||
_write_SPRG0(PPC_BSP_HAS_FIXED_PR288);
|
||||
#endif
|
||||
|
||||
|
||||
BSP_mem_size = residualCopy.TotalMemory;
|
||||
BSP_bus_frequency = residualCopy.VitalProductData.ProcessorBusHz;
|
||||
BSP_processor_frequency = residualCopy.VitalProductData.ProcessorHz;
|
||||
BSP_time_base_divisor = (residualCopy.VitalProductData.TimeBaseDivisor?
|
||||
residualCopy.VitalProductData.TimeBaseDivisor : 4000);
|
||||
BSP_mem_size = residualCopy.TotalMemory;
|
||||
BSP_bus_frequency = residualCopy.VitalProductData.ProcessorBusHz;
|
||||
BSP_processor_frequency = residualCopy.VitalProductData.ProcessorHz;
|
||||
BSP_time_base_divisor = (residualCopy.VitalProductData.TimeBaseDivisor?
|
||||
residualCopy.VitalProductData.TimeBaseDivisor : 4000);
|
||||
|
||||
/* clear hostbridge errors but leave MCP disabled -
|
||||
* PCI config space scanning code will trip otherwise :-(
|
||||
*/
|
||||
_BSP_clear_hostbridge_errors(0 /* enableMCP */, 0/*quiet*/);
|
||||
|
||||
|
||||
/* Allocate and set up the page table mappings
|
||||
* This is only available on >604 CPUs.
|
||||
*
|
||||
@@ -358,18 +449,13 @@ void bsp_start( void )
|
||||
*/
|
||||
pt = BSP_pgtbl_setup(&BSP_mem_size);
|
||||
|
||||
if (!pt ||
|
||||
TRIV121_MAP_SUCCESS != triv121PgTblMap(
|
||||
pt,
|
||||
TRIV121_121_VSID,
|
||||
0xfeff0000,
|
||||
1,
|
||||
TRIV121_ATTR_IO_PAGE,
|
||||
TRIV121_PP_RW_PAGE
|
||||
)) {
|
||||
printk("WARNING: unable to setup page tables VME bridge must share PCI space\n");
|
||||
if (!pt || TRIV121_MAP_SUCCESS != triv121PgTblMap(
|
||||
pt, TRIV121_121_VSID, 0xfeff0000, 1,
|
||||
TRIV121_ATTR_IO_PAGE, TRIV121_PP_RW_PAGE)) {
|
||||
printk("WARNING: unable to setup page tables VME "
|
||||
"bridge must share PCI space\n");
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Set up our hooks
|
||||
* Make sure libc_init is done before drivers initialized so that
|
||||
@@ -381,15 +467,16 @@ void bsp_start( void )
|
||||
Cpu_table.do_zero_of_workspace = TRUE;
|
||||
Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
|
||||
Cpu_table.clicks_per_usec = BSP_processor_frequency/(BSP_time_base_divisor * 1000);
|
||||
Cpu_table.exceptions_in_RAM = TRUE;
|
||||
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk("BSP_Configuration.work_space_size = %x\n", BSP_Configuration.work_space_size);
|
||||
printk("BSP_Configuration.work_space_size = %x\n",
|
||||
BSP_Configuration.work_space_size);
|
||||
#endif
|
||||
work_space_start =
|
||||
(unsigned char *)BSP_mem_size - BSP_Configuration.work_space_size;
|
||||
|
||||
if ( work_space_start <= ((unsigned char *)__rtems_end) + INIT_STACK_SIZE + INTR_STACK_SIZE) {
|
||||
if ( work_space_start <=
|
||||
((unsigned char *)__rtems_end) + INIT_STACK_SIZE + INTR_STACK_SIZE) {
|
||||
printk( "bspstart: Not enough RAM!!!\n" );
|
||||
bsp_cleanup();
|
||||
}
|
||||
@@ -401,7 +488,6 @@ void bsp_start( void )
|
||||
*/
|
||||
BSP_rtems_irq_mng_init(0);
|
||||
|
||||
|
||||
/* Activate the page table mappings only after
|
||||
* initializing interrupts because the irq_mng_init()
|
||||
* routine needs to modify the text
|
||||
@@ -411,23 +497,27 @@ void bsp_start( void )
|
||||
printk("Page table setup finished; will activate it NOW...\n");
|
||||
#endif
|
||||
BSP_pgtbl_activate(pt);
|
||||
/* finally, switch off DBAT3 */
|
||||
setdbat(3, 0, 0, 0, 0);
|
||||
/* finally, switch off DBAT3 */
|
||||
setdbat(3, 0, 0, 0, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize VME bridge - needs working PCI
|
||||
* and IRQ subsystems...
|
||||
* Initialize VME bridge - needs working PCI and IRQ subsystems...
|
||||
*/
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk("Going to initialize VME bridge\n");
|
||||
#endif
|
||||
/* VME initialization is in a separate file so apps which don't use
|
||||
* VME or want a different configuration may link against a customized
|
||||
* routine.
|
||||
/*
|
||||
* VME initialization is in a separate file so apps which don't use VME or
|
||||
* want a different configuration may link against a customized routine.
|
||||
*/
|
||||
BSP_vme_config();
|
||||
|
||||
|
||||
#if defined(DEBUG_BATS)
|
||||
ShowBATS();
|
||||
#endif
|
||||
|
||||
#ifdef SHOW_MORE_INIT_SETTINGS
|
||||
printk("Exit from bspstart\n");
|
||||
#endif
|
||||
|
||||
12
c/src/lib/libbsp/powerpc/shared/tod/Makefile.am
Normal file
12
c/src/lib/libbsp/powerpc/shared/tod/Makefile.am
Normal file
@@ -0,0 +1,12 @@
|
||||
##
|
||||
## $Id$
|
||||
##
|
||||
|
||||
|
||||
C_FILES = todcfg.c
|
||||
|
||||
all-local:
|
||||
|
||||
EXTRA_DIST = todcfg.c
|
||||
|
||||
include $(top_srcdir)/../../../../../automake/local.am
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user