RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

Patch from Eric Valette <valette@crf.canon.fr> so this will build

Browse Source 
independently of a BSP.
This commit is contained in:
Joel Sherrill
1999-11-05 17:49:56 +00:00
parent 968f774296
commit 0fab6dded8
9 changed files with 94 additions and 463 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
c/src/lib/libbsp/powerpc/mcp750/clock/Makefile.in
View File

@@ -16,11 +16,11 @@ VPATH = @srcdir@
PGM = ${ARCH}/clock.rel
# C source names, if any, go here -- minus the .c
C_PIECES = c_clock
C_PIECES = p_clock
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
H_FILES =
SRCS = $(C_FILES) $(H_FILES)
OBJS = $(C_O_FILES)
@@ -61,11 +61,7 @@ CLOBBER_ADDITIONS +=
${PGM}: ${SRCS} ${OBJS}
$(make-rel)
preinstall:
@$(mkinstalldirs) $(PROJECT_INCLUDE)/bsp
@$(INSTALL_CHANGE) -m 644 $(H_FILES) $(PROJECT_INCLUDE)/bsp
all: ${ARCH} $(SRCS) preinstall $(PGM)
all: ${ARCH} $(SRCS) $(PGM)
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
install: all

215
c/src/lib/libbsp/powerpc/mcp750/clock/c_clock.c
View File

@@ -1,215 +0,0 @@
/*
* Clock Tick Device Driver
*
* This routine utilizes the Decrementer Register common to the PPC family.
*
* The tick frequency is directly programmed to the configured number of
* microseconds per tick.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* Modified to support the MPC750.
* Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr
*
* $Id$
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <rtems/libio.h>
#include <stdlib.h> /* for atexit() */
#include <assert.h>
#include <libcpu/cpu.h>
/*
* Clock ticks since initialization
*/
volatile rtems_unsigned32 Clock_driver_ticks;
/*
* This is the value programmed into the count down timer.
*/
rtems_unsigned32 Clock_Decrementer_value;
/*
* These are set by clock driver during its init
*/
rtems_device_major_number rtems_clock_major = ~0;
rtems_device_minor_number rtems_clock_minor;
void clockOff(const rtems_irq_connect_data* unused)
{
if (BSP_Configuration.ticks_per_timeslice) {
/*
* Nothing to do as we cannot disable all interrupts and
* the decrementer interrupt enable is MSR_EE
*/
}
}
static void clockOn(const rtems_irq_connect_data* unused)
{
PPC_Set_decrementer( Clock_Decrementer_value );
}
/*
* Clock_isr
*
* This is the clock tick interrupt handler.
*
* Input parameters:
* vector - vector number
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
void clockIsr()
{
/*
* The driver has seen another tick.
*/
PPC_Set_decrementer( Clock_Decrementer_value );
Clock_driver_ticks += 1;
/*
* Real Time Clock counter/timer is set to automatically reload.
*/
rtems_clock_tick();
}
int clockIsOn(const rtems_irq_connect_data* unused)
{
unsigned32 msr_value;
_CPU_MSR_GET( msr_value );
if (msr_value & MSR_EE) return 1;
return 0;
}
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
clockIsr,
clockOn,
clockOff,
clockIsOn};
/*
* Clock_exit
*
* This routine allows the clock driver to exit by masking the interrupt and
* disabling the clock's counter.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
void Clock_exit( void )
{
if ( BSP_Configuration.ticks_per_timeslice ) {
BSP_remove_rtems_irq_handler (&clockIrqData);
}
}
/*
* Clock_initialize
*
* This routine initializes the clock driver.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
Clock_Decrementer_value = (BSP_bus_frequency/4000)*
(BSP_Configuration.microseconds_per_tick/1000);
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
printk("Unable to initialize system clock\n");
rtems_fatal_error_occurred(1);
}
/* make major/minor avail to others such as shared memory driver */
rtems_clock_major = major;
rtems_clock_minor = minor;
return RTEMS_SUCCESSFUL;
} /* Clock_initialize */
/*
* Clock_control
*
* This routine is the clock device driver control entry point.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
rtems_unsigned32 isrlevel;
rtems_libio_ioctl_args_t *args = pargp;
if (args == 0)
goto done;
Clock_Decrementer_value = (BSP_bus_frequency/4000)*
(BSP_Configuration.microseconds_per_tick/1000);
if (args->command == rtems_build_name('I', 'S', 'R', ' '))
clockIsr();
else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
{
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
printk("Error installing clock interrupt handler!\n");
rtems_fatal_error_occurred(1);
}
}
done:
return RTEMS_SUCCESSFUL;
}

37
c/src/lib/libbsp/powerpc/mcp750/clock/p_clock.c Normal file
View File

@@ -0,0 +1,37 @@
/*
* Clock Tick interrupt conexion code.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* Modified to support the MPC750.
* Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr
*
* $Id$
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <libcpu/c_clock.h>
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
clockIsr,
(rtems_irq_enable)clockOn,
(rtems_irq_disable)clockOff,
(rtems_irq_is_enabled) clockIsOn};
int BSP_disconnect_clock_handler (void)
{
return BSP_remove_rtems_irq_handler (&clockIrqData);
}
int BSP_connect_clock_handler (void)
{
return BSP_install_rtems_irq_handler (&clockIrqData);
}

10
c/src/lib/libbsp/powerpc/motorola_powerpc/clock/Makefile.in
View File

@@ -16,11 +16,11 @@ VPATH = @srcdir@
PGM = ${ARCH}/clock.rel
# C source names, if any, go here -- minus the .c
C_PIECES = c_clock
C_PIECES = p_clock
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
H_FILES =
SRCS = $(C_FILES) $(H_FILES)
OBJS = $(C_O_FILES)
@@ -61,11 +61,7 @@ CLOBBER_ADDITIONS +=
${PGM}: ${SRCS} ${OBJS}
$(make-rel)
preinstall:
@$(mkinstalldirs) $(PROJECT_INCLUDE)/bsp
@$(INSTALL_CHANGE) -m 644 $(H_FILES) $(PROJECT_INCLUDE)/bsp
all: ${ARCH} $(SRCS) preinstall $(PGM)
all: ${ARCH} $(SRCS) $(PGM)
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
install: all

215
c/src/lib/libbsp/powerpc/motorola_powerpc/clock/c_clock.c
View File

@@ -1,215 +0,0 @@
/*
* Clock Tick Device Driver
*
* This routine utilizes the Decrementer Register common to the PPC family.
*
* The tick frequency is directly programmed to the configured number of
* microseconds per tick.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* Modified to support the MPC750.
* Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr
*
* $Id$
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <rtems/libio.h>
#include <stdlib.h> /* for atexit() */
#include <assert.h>
#include <libcpu/cpu.h>
/*
* Clock ticks since initialization
*/
volatile rtems_unsigned32 Clock_driver_ticks;
/*
* This is the value programmed into the count down timer.
*/
rtems_unsigned32 Clock_Decrementer_value;
/*
* These are set by clock driver during its init
*/
rtems_device_major_number rtems_clock_major = ~0;
rtems_device_minor_number rtems_clock_minor;
void clockOff(const rtems_irq_connect_data* unused)
{
if (BSP_Configuration.ticks_per_timeslice) {
/*
* Nothing to do as we cannot disable all interrupts and
* the decrementer interrupt enable is MSR_EE
*/
}
}
static void clockOn(const rtems_irq_connect_data* unused)
{
PPC_Set_decrementer( Clock_Decrementer_value );
}
/*
* Clock_isr
*
* This is the clock tick interrupt handler.
*
* Input parameters:
* vector - vector number
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
void clockIsr()
{
/*
* The driver has seen another tick.
*/
PPC_Set_decrementer( Clock_Decrementer_value );
Clock_driver_ticks += 1;
/*
* Real Time Clock counter/timer is set to automatically reload.
*/
rtems_clock_tick();
}
int clockIsOn(const rtems_irq_connect_data* unused)
{
unsigned32 msr_value;
_CPU_MSR_GET( msr_value );
if (msr_value & MSR_EE) return 1;
return 0;
}
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
clockIsr,
clockOn,
clockOff,
clockIsOn};
/*
* Clock_exit
*
* This routine allows the clock driver to exit by masking the interrupt and
* disabling the clock's counter.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* Return values: NONE
*
*/
void Clock_exit( void )
{
if ( BSP_Configuration.ticks_per_timeslice ) {
BSP_remove_rtems_irq_handler (&clockIrqData);
}
}
/*
* Clock_initialize
*
* This routine initializes the clock driver.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
Clock_Decrementer_value = (BSP_bus_frequency/4000)*
(BSP_Configuration.microseconds_per_tick/1000);
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
printk("Unable to initialize system clock\n");
rtems_fatal_error_occurred(1);
}
/* make major/minor avail to others such as shared memory driver */
rtems_clock_major = major;
rtems_clock_minor = minor;
return RTEMS_SUCCESSFUL;
} /* Clock_initialize */
/*
* Clock_control
*
* This routine is the clock device driver control entry point.
*
* Input parameters:
* major - clock device major number
* minor - clock device minor number
* parg - pointer to optional device driver arguments
*
* Output parameters: NONE
*
* Return values:
* rtems_device_driver status code
*/
rtems_device_driver Clock_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
rtems_unsigned32 isrlevel;
rtems_libio_ioctl_args_t *args = pargp;
if (args == 0)
goto done;
Clock_Decrementer_value = (BSP_bus_frequency/4000)*
(BSP_Configuration.microseconds_per_tick/1000);
if (args->command == rtems_build_name('I', 'S', 'R', ' '))
clockIsr();
else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
{
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
printk("Error installing clock interrupt handler!\n");
rtems_fatal_error_occurred(1);
}
}
done:
return RTEMS_SUCCESSFUL;
}

37
c/src/lib/libbsp/powerpc/motorola_powerpc/clock/p_clock.c Normal file
View File

@@ -0,0 +1,37 @@
/*
* Clock Tick interrupt conexion code.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* Modified to support the MPC750.
* Modifications Copyright (c) 1999 Eric Valette valette@crf.canon.fr
*
* $Id$
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <libcpu/c_clock.h>
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
clockIsr,
(rtems_irq_enable)clockOn,
(rtems_irq_disable)clockOff,
(rtems_irq_is_enabled) clockIsOn};
int BSP_disconnect_clock_handler (void)
{
return BSP_remove_rtems_irq_handler (&clockIrqData);
}
int BSP_connect_clock_handler (void)
{
return BSP_install_rtems_irq_handler (&clockIrqData);
}

3
c/src/lib/libcpu/powerpc/mpc750/Makefile.in
View File

@@ -20,8 +20,7 @@ INSTALL_CHANGE = @INSTALL_CHANGE@
# wrapup is the one that actually builds and installs the library
# from the individual .rel files built in other directories
# SUB_DIRS = exceptions mmu clock wrapup
SUB_DIRS = exceptions mmu wrapup
SUB_DIRS = exceptions mmu clock wrapup
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) \

7
c/src/lib/libcpu/powerpc/mpc750/clock/Makefile.in
View File

@@ -18,7 +18,7 @@ C_PIECES = c_clock
C_FILES = $(C_PIECES:%=%.c)
C_O_FILES = $(C_PIECES:%=${ARCH}/%.o)
H_FILES =
H_FILES = $(srcdir)/c_clock.h
# Assembly source names, if any, go here -- minus the .S
S_PIECES =
@@ -55,7 +55,10 @@ LDFLAGS +=
CLEAN_ADDITIONS +=
CLOBBER_ADDITIONS +=
all: ${ARCH} $(SRCS) $(OBJS)
all: ${ARCH} $(SRCS) preinstall $(OBJS)
preinstall: $(INSTALLDIRS) $(H_FILES)
@$(INSTALL_CHANGE) -m 644 $(H_FILES) $(PROJECT_INCLUDE)/libcpu
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
install: all

23
c/src/lib/libcpu/powerpc/mpc750/clock/c_clock.c
View File

@@ -20,12 +20,12 @@
* $Id$
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <rtems.h>
#include <rtems/libio.h>
#include <stdlib.h> /* for atexit() */
#include <assert.h>
#include <libcpu/cpu.h>
#include <libcpu/c_clock.h>
/*
* Clock ticks since initialization
@@ -46,7 +46,7 @@ rtems_unsigned32 Clock_Decrementer_value;
rtems_device_major_number rtems_clock_major = ~0;
rtems_device_minor_number rtems_clock_minor;
void clockOff(const rtems_irq_connect_data* unused)
void clockOff(void* unused)
{
if (BSP_Configuration.ticks_per_timeslice) {
/*
@@ -55,7 +55,7 @@ void clockOff(const rtems_irq_connect_data* unused)
*/
}
}
static void clockOn(const rtems_irq_connect_data* unused)
void clockOn(void* unused)
{
PPC_Set_decrementer( Clock_Decrementer_value );
}
@@ -90,7 +90,7 @@ void clockIsr()
rtems_clock_tick();
}
int clockIsOn(const rtems_irq_connect_data* unused)
int clockIsOn(void* unused)
{
unsigned32 msr_value;
@@ -99,12 +99,6 @@ int clockIsOn(const rtems_irq_connect_data* unused)
return 0;
}
static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
clockIsr,
clockOn,
clockOff,
clockIsOn};
/*
* Clock_exit
@@ -123,7 +117,7 @@ static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER,
void Clock_exit( void )
{
if ( BSP_Configuration.ticks_per_timeslice ) {
BSP_remove_rtems_irq_handler (&clockIrqData);
(void) BSP_disconnect_clock_handler ();
}
}
@@ -152,7 +146,7 @@ rtems_device_driver Clock_initialize(
Clock_Decrementer_value = (BSP_bus_frequency/4000)*
(BSP_Configuration.microseconds_per_tick/1000);
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
if (!BSP_connect_clock_handler ()) {
printk("Unable to initialize system clock\n");
rtems_fatal_error_occurred(1);
}
@@ -186,7 +180,6 @@ rtems_device_driver Clock_control(
void *pargp
)
{
rtems_unsigned32 isrlevel;
rtems_libio_ioctl_args_t *args = pargp;
if (args == 0)
@@ -199,7 +192,7 @@ rtems_device_driver Clock_control(
clockIsr();
else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
{
if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
if (!BSP_connect_clock_handler ()) {
printk("Error installing clock interrupt handler!\n");
rtems_fatal_error_occurred(1);
}