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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-10 20:32:30 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-10 20:32:30 +0000 |
| commit | e993f5b1bac38a86c2bde08967c0a6946e7c847a (patch) | |
| tree | 589a5aaa3b788bbc0a2d6735680426e32c53c0b7 /c/src/lib/libbsp/bfin | |
| parent | 2008-09-10 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-e993f5b1bac38a86c2bde08967c0a6946e7c847a.tar.bz2 | |
2008-09-10 Joel Sherrill <joel.sherrill@oarcorp.com>
* shared/bspgetworkarea.c: New file.
Diffstat (limited to 'c/src/lib/libbsp/bfin')
| -rw-r--r-- | c/src/lib/libbsp/bfin/ChangeLog | 4 | ||||
| -rw-r--r-- | c/src/lib/libbsp/bfin/shared/bspgetworkarea.c | 41 |
2 files changed, 45 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/bfin/ChangeLog b/c/src/lib/libbsp/bfin/ChangeLog index d1d66bc056..cb598d5b6d 100644 --- a/c/src/lib/libbsp/bfin/ChangeLog +++ b/c/src/lib/libbsp/bfin/ChangeLog @@ -1,3 +1,7 @@ +2008-09-10 Joel Sherrill <joel.sherrill@oarcorp.com> + + * shared/bspgetworkarea.c: New file. + 2008-08-30 Joel Sherrill <joel.sherrill@OARcorp.com> * acinclude.m4: Add bf537Stamp. Regenerate. diff --git a/c/src/lib/libbsp/bfin/shared/bspgetworkarea.c b/c/src/lib/libbsp/bfin/shared/bspgetworkarea.c new file mode 100644 index 0000000000..da0d6b85f2 --- /dev/null +++ b/c/src/lib/libbsp/bfin/shared/bspgetworkarea.c @@ -0,0 +1,41 @@ +/* + * COPYRIGHT (c) 1989-2008. + * 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.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <bsp.h> +#include <bsp/bootcard.h> +#include <stdint.h> + +extern int WorkArea; +extern int RamBase; +extern int RamSize; + +/* + * This method returns the base address and size of the area which + * is to be allocated between the RTEMS Workspace and the C Program + * Heap. + */ +void bsp_get_work_area( + void **work_area_start, + size_t *work_area_size, + void **heap_start, + size_t *heap_size +) +{ + uintptr_t size; + + size = (uintptr_t)&RamBase + (uintptr_t)&RamSize - (uintptr_t)&WorkArea; + + *work_area_start = &WorkArea; + *work_area_size = size; + *heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA; + *heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT; +} + |