RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

2008-09-19 Joel Sherrill <joel.sherrill@oarcorp.com>

Browse Source 
* Makefile.am, include/bsp.h, startup/bspstart.c, startup/linkcmds: Use
	PowerPC level shared bsp_get_work_area() implementation.
	* startup/bspgetworkarea.c: Removed.
This commit is contained in:
Joel Sherrill
2008-09-19 19:45:18 +00:00
parent 4c9784e8a2
commit 387a69a10e
6 changed files with 25 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
c/src/lib/libbsp/powerpc/score603e/ChangeLog
View File

@@ -1,3 +1,9 @@
2008-09-19 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, include/bsp.h, startup/bspstart.c, startup/linkcmds: Use
PowerPC level shared bsp_get_work_area() implementation.
* startup/bspgetworkarea.c: Removed.
2008-09-18 Joel Sherrill <joel.sherrill@oarcorp.com>
* startup/bspstart.c: Remove unused variable.

6
c/src/lib/libbsp/powerpc/score603e/Makefile.am
View File

@@ -26,9 +26,9 @@ include_HEADERS += include/coverhd.h include/gen2.h
dist_project_lib_DATA += startup/linkcmds
startup_SOURCES = startup/bspclean.c ../../shared/bsplibc.c \
startup/bspstart.c startup/bspgetworkarea.c ../../shared/bootcard.c \
startup/Hwr_init.c ../../powerpc/shared/startup/sbrk.c \
startup/genpvec.c ../../shared/gnatinstallhandler.c \
startup/bspstart.c ../../powerpc/shared/startup/bspgetworkarea.c \
../../powerpc/shared/startup/sbrk.c ../../shared/bootcard.c \
startup/Hwr_init.c startup/genpvec.c ../../shared/gnatinstallhandler.c \
../../powerpc/shared/showbats.c \
../../shared/bsppretaskinghook.c

5
c/src/lib/libbsp/powerpc/score603e/include/bsp.h
View File

@@ -93,6 +93,11 @@ extern int CPU_PPC_CLICKS_PER_MS;
*/
#define BSP_INIT_STACK_SIZE 0x1000
/*
* Total RAM available
*/
extern unsigned int BSP_mem_size;
/* functions */
/*

44
c/src/lib/libbsp/powerpc/score603e/startup/bspgetworkarea.c
View File

@@ -1,44 +0,0 @@
/*
* 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 void *RAM_END;
extern void *__rtems_end;
extern uint32_t _bsp_sbrk_init(uint32_t, uint32_t*);
unsigned int BSP_mem_size = (unsigned int)&RAM_END;
/*
* 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;
uintptr_t reserve;
reserve = (uintptr_t)BSP_INIT_STACK_SIZE;
reserve += rtems_configuration_get_interrupt_stack_size();
size = (uintptr_t)&RAM_END - (uintptr_t)&__rtems_end + reserve;
*work_area_start = (void *)(&__rtems_end + reserve);
*work_area_size = size;
_bsp_sbrk_init( *work_area_start, work_area_size );
*heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
*heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT;
}

8
c/src/lib/libbsp/powerpc/score603e/startup/bspstart.c
View File

@@ -28,6 +28,12 @@
*/
unsigned int BSP_heap_start;
/*
* Total RAM available and associated linker symbol
*/
unsigned int BSP_mem_size;
extern char RamSize[];
/*
* PCI Bus Frequency
*/
@@ -266,7 +272,9 @@ void bsp_start( void )
*/
intrStackStart = (uint32_t) __rtems_end + BSP_INIT_STACK_SIZE;
intrStackSize = rtems_configuration_get_interrupt_stack_size();
BSP_heap_start = intrStackStart + intrStackSize;
BSP_mem_size = (uintptr_t) RamSize;
/*
* Initialize default raw exception handlers.

3
c/src/lib/libbsp/powerpc/score603e/startup/linkcmds
View File

@@ -12,6 +12,9 @@ ENTRY(_start)
PROVIDE(CPU_PPC_CLICKS_PER_MS = 16500);
RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamSize : 31M;
MEMORY
{
VECTORS : ORIGIN = 0, LENGTH = 64K