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 20:40:17 +00:00
parent 387a69a10e
commit af2eb770c7
6 changed files with 33 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
c/src/lib/libbsp/powerpc/psim/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>
* include/bsp.h: Remove unnecessary boilerplate comments.

4
c/src/lib/libbsp/powerpc/psim/Makefile.am
View File

@@ -43,8 +43,8 @@ noinst_LIBRARIES = libbsp.a
startup_SOURCES = startup/bspclean.c ../../shared/bsplibc.c \
../../shared/bsppost.c ../../shared/bsppretaskinghook.c \
../../shared/bsppredriverhook.c startup/bspstart.c \
startup/bspgetworkarea.c ../../shared/bootcard.c \
../../shared/sbrk.c ../../shared/gnatinstallhandler.c \
../../powerpc/shared/startup/bspgetworkarea.c ../../shared/bootcard.c \
../../powerpc/shared/startup/sbrk.c ../../shared/gnatinstallhandler.c \
startup/psim_registers.c
pclock_SOURCES = ../shared/clock/p_clock.c

9
c/src/lib/libbsp/powerpc/psim/include/bsp.h
View File

@@ -56,8 +56,15 @@ extern "C" {
* Information placed in the linkcmds file.
*/
extern int RAM_END;
extern int end; /* last address in the program */
extern int RAM_END;
extern uint32_t BSP_mem_size;
/*
* system init stack
*/
#define BSP_INIT_STACK_SIZE 0x1000
#define BSP_Convert_decrementer( _value ) ( (unsigned long long) _value )

43
c/src/lib/libbsp/powerpc/psim/startup/bspgetworkarea.c
View File

@@ -1,43 +0,0 @@
/*
* This set of routines starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before any of these are invoked.
*
* 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 <string.h>
#include <fcntl.h>
#include <bsp.h>
#include <bsp/bootcard.h>
/*
* system init stack
*/
#define INIT_STACK_SIZE 0x1000
/*
* 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
)
{
*work_area_start = &end;
*work_area_size = (void *)&RAM_END - (void *)&end;
*heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
*heap_size = BSP_BOOTCARD_HEAP_SIZE_DEFAULT;
}

15
c/src/lib/libbsp/powerpc/psim/startup/bspstart.c
View File

@@ -42,16 +42,17 @@ extern int PSIM_INSTRUCTIONS_PER_MICROSECOND;
*/
unsigned int BSP_bus_frequency;
/*
* Memory on this board.
*/
extern char RamSize[];
uint32_t BSP_mem_size;
/*
* Time base divisior (how many tick for 1 second).
*/
unsigned int BSP_time_base_divisor;
/*
* system init stack
*/
#define INIT_STACK_SIZE 0x1000
void BSP_panic(char *s)
{
printk("%s PANIC %s\n",_RTEMS_version, s);
@@ -97,9 +98,11 @@ void bsp_start( void )
/*
* Initialize the interrupt related settings.
*/
intrStackStart = (uint32_t) __rtems_end + INIT_STACK_SIZE;
intrStackStart = (uint32_t) __rtems_end;
intrStackSize = rtems_configuration_get_interrupt_stack_size();
BSP_mem_size = RamSize;
/*
* Initialize default raw exception handlers.
*/

10
c/src/lib/libbsp/powerpc/psim/startup/linkcmds
View File

@@ -15,6 +15,10 @@ ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamSize : 8M;
MEMORY
{
RAM : ORIGIN = 0, LENGTH = 8M
@@ -200,7 +204,7 @@ _SDA_BASE_ = __SDATA_START__ + 0x8000;
_edata = .;
PROVIDE (edata = .);
PROVIDE (RAM_END = 0x7f0000);
PROVIDE (RAM_END = 8M);
.sbss :
{
PROVIDE (__sbss_start = .);
@@ -217,9 +221,11 @@ _SDA_BASE_ = __SDATA_START__ + 0x8000;
*(.bss .bss* .gnu.linkonce.b*)
*(COMMON)
} >RAM
. = ALIGN(16);
. += 0x1000;
PROVIDE(__stack = .);
__rtems_end = . ;
. = ALIGN(8) + 0x8000;
PROVIDE(__stack = .);
PROVIDE(_end = .);
PROVIDE(end = .);