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2009-10-10 Joel Sherrill <joel.sherrill@oarcorp.com>

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* shared/bspgetworkarea.c: Add debug prints of memory information.
This commit is contained in:
Joel Sherrill
2009-10-10 21:24:15 +00:00
parent 171bbec508
commit 5b5dd1c873
2 changed files with 36 additions and 0 deletions
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4
c/src/lib/libbsp/sparc/ChangeLog
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@@ -1,3 +1,7 @@
2009-10-10 Joel Sherrill <joel.sherrill@oarcorp.com>
* shared/bspgetworkarea.c: Add debug prints of memory information.
2009-09-29 Ralf Corsépius <ralf.corsepius@rtems.org>
* shared/include/pci.h: Add prototypes for BusCountPCI(void),

32
c/src/lib/libbsp/sparc/shared/bspgetworkarea.c
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@@ -12,8 +12,12 @@
* $Id$
*/
/* #define BSP_GET_WORK_AREA_DEBUG */
#include <bsp.h>
#include <bsp/bootcard.h>
#ifdef BSP_GET_WORK_AREA_DEBUG
#include <rtems/bspIo.h>
#endif
/* Tells us where to put the workspace in case remote debugger is present. */
extern uint32_t rdb_start;
@@ -37,4 +41,32 @@ void bsp_get_work_area(
*work_area_size = (void *)rdb_start - (void *)&end - STACK_SIZE;
*heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
*heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT;
/*
* The following may be helpful in debugging what goes wrong when
* you are allocating the Work Area in a new BSP.
*/
#ifdef BSP_GET_WORK_AREA_DEBUG
{
void *sp = __builtin_frame_address(0);
void *end = *work_area_start + *work_area_size;
printk(
"work_area_start = 0x%p\n"
"work_area_size = %d 0x%08x\n"
"end = 0x%p\n"
"heap_start = 0x%p\n"
"heap_size = %d\n"
"current stack pointer = 0x%p%s\n",
*work_area_start,
*work_area_size, /* decimal */
*work_area_size, /* hexadecimal */
end,
*heap_start,
*heap_size,
sp,
((sp >= *work_area_start && sp <= end) ? " OVERLAPS!" : "")
);
printk( "rdb_start = 0x%08x\n", rdb_start );
}
#endif
}