new files

6 files changed, 260 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/Makefile.in b/c/src/lib/libbsp/powerpc/psim/shmsupp/Makefile.in
new file mode 100644
index 0000000000..031a0aa0cd
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/Makefile.in
@@ -0,0 +1,55 @@
+#
+#  $Id$
+#
+
+@SET_MAKE@
+srcdir = @srcdir@
+VPATH = @srcdir@
+RTEMS_ROOT = @top_srcdir@
+PROJECT_ROOT = @PROJECT_ROOT@
+
+PGM=${ARCH}/shmsupp.rel
+
+# C source names, if any, go here -- minus the .c
+C_PIECES=addrconv getcfg lock mpisr
+C_FILES=$(C_PIECES:%=%.c)
+C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
+
+H_FILES=
+
+SRCS=$(C_FILES) $(H_FILES)
+OBJS=$(C_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+DEFINES  +=
+CPPFLAGS +=
+CFLAGS   +=
+
+LD_PATHS  +=
+LD_LIBS   +=
+LDFLAGS   +=
+
+#
+# Add your list of files to delete here.  The config files
+#  already know how to delete some stuff, so you may want
+#  to just run 'make clean' first to see what gets missed.
+#  'make clobber' already includes 'make clean'
+#
+
+CLEAN_ADDITIONS +=
+CLOBBER_ADDITIONS +=
+
+${PGM}: ${SRCS} ${OBJS}
+	$(make-rel)
+
+all:	${ARCH} $(SRCS) $(PGM)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+install:  all
+
diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/README b/c/src/lib/libbsp/powerpc/psim/shmsupp/README
new file mode 100644
index 0000000000..3c82078bac
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/README
@@ -0,0 +1,6 @@
+#
+#  $Id$
+#
+
+This shared memory driver support code works with a modified version
+of the PowerPC Sim
diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/addrconv.c b/c/src/lib/libbsp/powerpc/psim/shmsupp/addrconv.c
new file mode 100644
index 0000000000..3e1f16ec81
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/addrconv.c
@@ -0,0 +1,31 @@
+/*  Shm_Convert_address
+ *
+ *  No address range conversion is required.
+ *
+ *  Input parameters:
+ *    address - address to convert
+ *
+ *  Output parameters:
+ *    returns - converted address
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm.h>
+
+void *Shm_Convert_address(
+  void *address
+)
+{
+  return ( address );
+}
diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c b/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c
new file mode 100644
index 0000000000..5f94744a2f
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c
@@ -0,0 +1,65 @@
+/*  void Shm_Get_configuration( localnode, &shmcfg )
+ *
+ *  This routine initializes, if necessary, and returns a pointer
+ *  to the Shared Memory Configuration Table for the PowerPC PSIM.
+ *
+ *  INPUT PARAMETERS:
+ *    localnode - local node number
+ *    shmcfg    - address of pointer to SHM Config Table
+ *
+ *  OUTPUT PARAMETERS:
+ *    *shmcfg   - pointer to SHM Config Table
+ *
+ *  NOTES:  No interrupt support.
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include "shm.h"
+
+#define INTERRUPT 0                   /* PSIM target supports only */
+#define POLLING   1                   /* polling mode. */
+
+shm_config_table BSP_shm_cfgtbl;
+
+void Shm_Get_configuration(
+  rtems_unsigned32   localnode,
+  shm_config_table **shmcfg
+)
+{
+   BSP_shm_cfgtbl.base         = (rtems_unsigned32 *)0xc0000000;
+   BSP_shm_cfgtbl.length       = 64 * 1024;
+   BSP_shm_cfgtbl.format       = SHM_BIG;
+
+   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
+
+#if (POLLING==1)
+   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;
+#else
+   BSP_shm_cfgtbl.poll_intr    = INTR_MODE;
+   BSP_shm_cfgtbl.Intr.address = 0;
+   BSP_shm_cfgtbl.Intr.value   = 0;
+   BSP_shm_cfgtbl.Intr.length  = BYTE;
+#endif
+
+   *shmcfg = &BSP_shm_cfgtbl;
+
+}
diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/lock.c b/c/src/lib/libbsp/powerpc/psim/shmsupp/lock.c
new file mode 100644
index 0000000000..56a1087e53
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/lock.c
@@ -0,0 +1,69 @@
+/*  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) 1989-1997.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm.h>
+
+typedef volatile unsigned int volint;
+
+/*
+ *  Shm_Initialize_lock
+ *
+ *  Initialize the lock for the specified locked queue.
+ */
+
+void Shm_Initialize_lock(
+  Shm_Locked_queue_Control *lq_cb
+)
+{
+  /* nothing required -- done implicitly by device tree */
+}
+
+/*  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
+)
+{
+  volint *p = (volint *)0xc0010000;
+
+  (void) p[1];
+}
+
+/*
+ *  Shm_Unlock
+ *
+ *  Unlock the lock for the specified locked queue.
+ */
+
+void Shm_Unlock(
+  Shm_Locked_queue_Control *lq_cb
+)
+{
+  volint *p = (volint *)0xc0010000;
+
+  (void) p[2];
+}
+
diff --git a/c/src/lib/libbsp/powerpc/psim/shmsupp/mpisr.c b/c/src/lib/libbsp/powerpc/psim/shmsupp/mpisr.c
new file mode 100644
index 0000000000..e31dd2c615
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/mpisr.c
@@ -0,0 +1,34 @@
+/* 
+ *  NOTE: This routine is not used when in polling mode.  Either
+ *        this routine OR Shm_clockisr is used in a particular system.
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <shm.h>
+
+
+/*  void _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()
+{
+  /* not supported */
+}