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authorJoel Sherrill <joel.sherrill@OARcorp.com>1998-04-15 15:13:01 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1998-04-15 15:13:01 +0000
commitb6394ae43432a3c69f1737d1ed1e23db8e7896ba (patch)
treea7f1ad9907ad430f3a3037ef606ba1bfc5ceb386 /c/src/lib/libbsp/a29k
parentStack checker now enabled via initial set of user extensions. This (diff)
downloadrtems-b6394ae43432a3c69f1737d1ed1e23db8e7896ba.tar.bz2
Transitioned to shared bsp_libc_init() and cleaned up comments.
Diffstat (limited to 'c/src/lib/libbsp/a29k')
-rw-r--r--c/src/lib/libbsp/a29k/portsw/startup/Makefile.in2
-rw-r--r--c/src/lib/libbsp/a29k/portsw/startup/bspstart.c85
2 files changed, 30 insertions, 57 deletions
diff --git a/c/src/lib/libbsp/a29k/portsw/startup/Makefile.in b/c/src/lib/libbsp/a29k/portsw/startup/Makefile.in
index 2635132eee..2be725234c 100644
--- a/c/src/lib/libbsp/a29k/portsw/startup/Makefile.in
+++ b/c/src/lib/libbsp/a29k/portsw/startup/Makefile.in
@@ -11,7 +11,7 @@ PROJECT_ROOT = @PROJECT_ROOT@
PGM=${ARCH}/startup.rel
# C source names, if any, go here -- minus the .c
-C_PIECES=bspclean bsppost bspstart main sbrk setvec iface
+C_PIECES=bspclean bsplibc bsppost bspstart main sbrk setvec iface
C_FILES=$(C_PIECES:%=%.c)
C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
diff --git a/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c b/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c
index 0032c417e1..6c5f396f39 100644
--- a/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c
+++ b/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c
@@ -1,14 +1,9 @@
-/* bsp_start()
- *
+/*
* This routine starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before this routine is invoked.
*
- * INPUT: NONE
- *
- * OUTPUT: NONE
- *
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
@@ -53,49 +48,12 @@ char *rtems_progname;
rtems_unsigned32 heap_size = 0;
rtems_unsigned32 heap_start;
-void bsp_libc_init()
-{
- heap_size = 2 * 1024 * 1024; /* allocate a maximum of 2 megabytes for the heap */
-
- /* allocate all remaining memory to the heap */
- do {
- heap_size -= HEAP_BLOCK_SIZE;
- heap_start = _sysalloc( heap_size );
- } while ( !heap_start );
-
- if (!heap_start)
- rtems_fatal_error_occurred( heap_size );
-
- if (heap_start & (CPU_ALIGNMENT-1))
- heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
-
- /*
- * The last parameter to RTEMS_Malloc_Initialize is the "chunk"
- * size which a multiple of will be requested on each sbrk()
- * call by malloc(). A value of 0 indicates that sbrk() should
- * not be called to extend the heap.
- */
-
- RTEMS_Malloc_Initialize((void *) heap_start, heap_size, 0);
-
- /*
- * Init the RTEMS libio facility to provide UNIX-like system
- * calls for use by newlib (ie: provide __rtems_open, __rtems_close, etc)
- * Uses malloc() to get area for the iops, so must be after malloc init
- */
-
- rtems_libio_init();
-
- /*
- * Set up for the libc handling.
- */
-
- if (BSP_Configuration.ticks_per_timeslice > 0)
- libc_init(1); /* reentrant if possible */
- else
- libc_init(0); /* non-reentrant */
-
-}
+/*
+ * Use the shared implementations of the following routines
+ */
+
+void bsp_postdriver_hook(void);
+void bsp_libc_init( void *, unsigned32, int );
/*
* Function: bsp_pretasking_hook
@@ -111,22 +69,37 @@ void bsp_libc_init()
*
*/
-void
-bsp_pretasking_hook(void)
+void bsp_pretasking_hook(void)
{
- bsp_libc_init();
+ /* allocate a maximum of 2 megabytes for the heap */
+ heap_size = 2 * 1024 * 1024;
+
+ /* allocate all remaining memory to the heap */
+ do {
+ heap_size -= HEAP_BLOCK_SIZE;
+ heap_start = _sysalloc( heap_size );
+ } while ( !heap_start );
+
+ if (!heap_start)
+ rtems_fatal_error_occurred( heap_size );
+
+ if (heap_start & (CPU_ALIGNMENT-1))
+ heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+
+ bsp_libc_init((void *) heap_start, heap_size, 0);
+
#ifdef RTEMS_DEBUG
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
#endif
}
-
/*
- * Use the shared bsp_postdriver_hook() implementation
+ * bsp_start
+ *
+ * This routine does the bulk of the system initialization.
*/
-
-void bsp_postdriver_hook(void);
int bsp_start(
int argc,