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2001-01-08 Joel Sherrill <joel@OARcorp.com>

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* Shared memory support removed since it was non-functional.
	* shmsupp/.cvsignore, shmsupp/Makefile.am, shmsupp/addrconv.c,
	shmsupp/getcfg.c, shmsupp/lock.c, shmsupp/mpisr.c: Removed.
	* configure.in, Makefile.am, wrapup/Makefile.am: Modified to
	reflect above.
This commit is contained in:
Joel Sherrill
2001-01-08 19:22:25 +00:00
parent 81f6e8cca4
commit 7af5e14dbf
10 changed files with 10 additions and 303 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
c/src/lib/libbsp/a29k/portsw/ChangeLog
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@@ -1,3 +1,11 @@
2001-01-08 Joel Sherrill <joel@OARcorp.com>
* Shared memory support removed since it was non-functional.
* shmsupp/.cvsignore, shmsupp/Makefile.am, shmsupp/addrconv.c,
shmsupp/getcfg.c, shmsupp/lock.c, shmsupp/mpisr.c: Removed.
* configure.in, Makefile.am, wrapup/Makefile.am: Modified to
reflect above.
2000-11-09 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS.

2
c/src/lib/libbsp/a29k/portsw/Makefile.am
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@@ -7,7 +7,7 @@ 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 startup console shmsupp wrapup
SUBDIRS = include start startup console wrapup
include $(top_srcdir)/../../bsp.am

4
c/src/lib/libbsp/a29k/portsw/configure.in
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@@ -17,11 +17,8 @@ RTEMS_CANONICALIZE_TOOLS
RTEMS_ENV_RTEMSBSP
RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP)
RTEMS_CHECK_BSP_CACHE(RTEMS_BSP)
RTEMS_CHECK_MULTIPROCESSING(RTEMS_BSP)
RTEMS_CANONICAL_HOST
AM_CONDITIONAL(HAS_MP,test "$HAS_MP" = "yes")
RTEMS_PROJECT_ROOT
# Explicitly list all Makefiles here
@@ -29,7 +26,6 @@ AC_OUTPUT(
Makefile
console/Makefile
include/Makefile
shmsupp/Makefile
start/Makefile
startup/Makefile
wrapup/Makefile)

2
c/src/lib/libbsp/a29k/portsw/shmsupp/.cvsignore
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@@ -1,2 +0,0 @@
Makefile
Makefile.in

36
c/src/lib/libbsp/a29k/portsw/shmsupp/Makefile.am
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@@ -1,36 +0,0 @@
##
## $Id$
##
AUTOMAKE_OPTIONS = foreign 1.4
PGM = ${ARCH}/shmsupp.rel
## C source names
C_FILES = addrconv.c getcfg.c lock.c mpisr.c
C_O_FILES = $(C_FILES:%.c=${ARCH}/%.o)
OBJS = $(C_O_FILES)
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../../../../automake/compile.am
include $(top_srcdir)/../../../../../../automake/lib.am
#
# (OPTIONAL) Add local stuff here using +=
#
$(PGM): ${OBJS}
$(make-rel)
if HAS_MP
all-local: ${ARCH} $(PGM)
else
all-local:
endif
# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
EXTRA_DIST = addrconv.c getcfg.c lock.c mpisr.c
include $(top_srcdir)/../../../../../../automake/local.am

34
c/src/lib/libbsp/a29k/portsw/shmsupp/addrconv.c
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@@ -1,34 +0,0 @@
/* Shm_Convert_address
*
* No address range conversion is required.
*
* Input parameters:
* address - address to convert
*
* Output parameters:
* returns - converted address
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#include <shm_driver.h>
#ifndef lint
static char _sccsid[] = "@(#)addrconv.c 04/08/96 1.1\n";
#endif
void *Shm_Convert_address(
void *address
)
{
return ( address );
}

80
c/src/lib/libbsp/a29k/portsw/shmsupp/getcfg.c
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@@ -1,80 +0,0 @@
/* void Shm_Get_configuration( localnode, &shmcfg )
*
* This routine initializes, if necessary, and returns a pointer
* to the Shared Memory Configuration Table for the XXX target.
*
* INPUT PARAMETERS:
* localnode - local node number
* shmcfg - address of pointer to SHM Config Table
*
* OUTPUT PARAMETERS:
* *shmcfg - pointer to SHM Config Table
*
XXX: FIX THE COMMENTS BELOW WHEN THE CPU IS KNOWN
* NOTES: The XYZ does not have an interprocessor interrupt.
*
* The following table illustrates the configuration limitations:
*
* BUS MAX
* MODE ENDIAN NODES
* ========= ====== =======
* POLLED BIG 2+
* INTERRUPT **** NOT SUPPORTED ****
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#include <shm_driver.h>
#ifndef lint
static char _sccsid[] = "@(#)getcfg.c 04/08/96 1.1\n";
#endif
/*
* configured if currently polling of interrupt driven
*/
#define INTERRUPT 0 /* XXX: */
#define POLLING 1 /* XXX: fix me -- is polling ONLY!!! */
shm_config_table BSP_shm_cfgtbl;
void Shm_Get_configuration(
rtems_unsigned32 localnode,
shm_config_table **shmcfg
)
{
BSP_shm_cfgtbl.base = 0x0;
BSP_shm_cfgtbl.length = 1 * MEGABYTE;
BSP_shm_cfgtbl.format = SHM_BIG;
/*
* Override cause_intr or shm_isr if your target has
* special requirements.
*/
BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt;
#ifdef NEUTRAL_BIG
BSP_shm_cfgtbl.convert = NULL_CONVERT;
#else
BSP_shm_cfgtbl.convert = CPU_swap_u32;
#endif
BSP_shm_cfgtbl.poll_intr = POLLED_MODE;
BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT;
BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT;
BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT;
*shmcfg = &BSP_shm_cfgtbl;
}

89
c/src/lib/libbsp/a29k/portsw/shmsupp/lock.c
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@@ -1,89 +0,0 @@
/* Shared Memory Lock Routines
*
* This shared memory locked queue support routine need to be
* able to lock the specified locked queue. Interrupts are
* disabled while the queue is locked to prevent preemption
* and deadlock when two tasks poll for the same lock.
* previous level.
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#include <shm_driver.h>
#ifndef lint
static char _sccsid[] = "@(#)lock.c 04/08/96 1.1\n";
#endif
/*
* Shm_Initialize_lock
*
* Initialize the lock for the specified locked queue.
*/
void Shm_Initialize_lock(
Shm_Locked_queue_Control *lq_cb
)
{
lq_cb->lock = LQ_UNLOCKED;
}
/* void _Shm_Lock( &lq_cb )
*
* This shared memory locked queue support routine locks the
* specified locked queue. It disables interrupts to prevent
* a deadlock condition.
*/
void Shm_Lock(
Shm_Locked_queue_Control *lq_cb
)
{
rtems_unsigned32 isr_level;
rtems_unsigned32 *lockptr = &lq_cb->lock;
rtems_unsigned32 lock_value;
lock_value = 0x80000000;
rtems_interrupt_disable( isr_level );
Shm_isrstat = isr_level;
while ( lock_value ) {
asm volatile( ""
: "=r" (lockptr), "=r" (lock_value)
: "0" (lockptr), "1" (lock_value)
);
/*
* If not available, then may want to delay to reduce load on lock.
*/
if ( lock_value )
delay( 10 ); /* approximately 10 microseconds */
}
}
/*
* Shm_Unlock
*
* Unlock the lock for the specified locked queue.
*/
void Shm_Unlock(
Shm_Locked_queue_Control *lq_cb
)
{
rtems_unsigned32 isr_level;
lq_cb->lock = SHM_UNLOCK_VALUE;
isr_level = Shm_isrstat;
rtems_interrupt_enable( isr_level );
}

50
c/src/lib/libbsp/a29k/portsw/shmsupp/mpisr.c
View File

@@ -1,50 +0,0 @@
/* Shm_isr_nobsp()
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <bsp.h>
#include <shm_driver.h>
#ifndef lint
static char _sccsid[] = "@(#)mpisr.c 04/08/96 1.1\n";
#endif
rtems_isr Shm_isr_nobsp( void )
{
/*
* If this routine has to do anything other than the mpisr.c
* found in the generic driver, then copy the contents of the generic
* mpisr.c and augment it to satisfy this particular board. Typically,
* you need to have a board specific mpisr.c when the interrupt
* must be cleared.
*
* If the generic mpisr.c satisifies your requirements, then
* remove this routine from your target's shmsupp/mpisb.c file.
* Then simply install the generic Shm_isr in the Shm_setvec
* routine below.
*/
}
/* Shm_setvec
*
* This driver routine sets the SHM interrupt vector to point to the
* driver's SHM interrupt service routine.
*
* Input parameters: NONE
*
* Output parameters: NONE
*/
void Shm_setvec( void )
{
/* XXX: FIX ME!!! */
}

8
c/src/lib/libbsp/a29k/portsw/wrapup/Makefile.am
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@@ -4,11 +4,6 @@
AUTOMAKE_OPTIONS = foreign 1.4
if HAS_MP
GENERIC_MP_REL_PIECES = shmdr
endif
GENERIC_PIECES += $(GENERIC_MP_REL_PIECES)
if HAS_MP
MP_BSP_O_FILES = shmsupp
endif
@@ -18,8 +13,7 @@ CPU_FILES = clock timer
# bummer; have to use $foreach since % pattern subst rules only replace 1x
OBJS = $(foreach piece, $(BSP_FILES), $(wildcard ../$(piece)/$(ARCH)/*.o)) \
$(foreach piece, $(CPU_FILES), ../../../../libcpu/$(RTEMS_CPU)/$(piece)/$(ARCH)/$(piece).rel) \
$(foreach piece, $(GENERIC_PIECES), ../../../$(piece)/$(ARCH)/$(piece).rel)
$(foreach piece, $(CPU_FILES), ../../../../libcpu/$(RTEMS_CPU)/$(piece)/$(ARCH)/$(piece).rel)
LIB = $(ARCH)/libbsp.a
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg