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2008-09-15 Joel Sherrill <joel.sherrill@oarcorp.com>

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* shared/startup/bspstart.c, shared/startup/pretaskinghook.c: Add use
	of bsp_get_work_area() in its own file and rely on BSP Framework to
	perform more initialization.
	* shared/startup/bspgetworkarea.c: New file.
This commit is contained in:
Joel Sherrill
2008-09-15 22:05:19 +00:00
parent f1359069e0
commit db77b92977
4 changed files with 57 additions and 55 deletions
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29
c/src/lib/libbsp/powerpc/shared/startup/pretaskinghook.c
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@@ -28,15 +28,11 @@
#include <rtems/malloc.h>
void bsp_libc_init( void *, uint32_t, int );
/*
* Function: bsp_pretasking_hook
* Created: 95/03/10
* bsp_pretasking_hook
*
* Description:
* BSP pretasking hook. Called just before drivers are initialized.
* Used to setup libc and install any BSP extensions.
*
* NOTES:
* Must not use libc (to do io) from here, since drivers are
@@ -46,29 +42,6 @@ void bsp_libc_init( void *, uint32_t, int );
void bsp_pretasking_hook(void)
{
uint32_t heap_size;
uint32_t heap_sbrk_spared;
extern uint32_t _bsp_sbrk_init(uint32_t, uint32_t*);
/* make sure it's properly aligned */
BSP_heap_start = (BSP_heap_start + CPU_ALIGNMENT - 1) & ~(CPU_ALIGNMENT-1);
heap_size = (BSP_mem_size - BSP_heap_start) - rtems_configuration_get_work_space_size();
heap_sbrk_spared=_bsp_sbrk_init(BSP_heap_start, &heap_size);
#ifdef SHOW_MORE_INIT_SETTINGS
printk( "HEAP start %x size %x (%x bytes spared for sbrk)\n",
BSP_heap_start, heap_size, heap_sbrk_spared);
#endif
/* Must install sbrk helpers since we rely on sbrk for giving
* us even the first chunk of memory (bsp_libc_init(heap start==NULL))
*/
rtems_malloc_sbrk_helpers = &rtems_malloc_sbrk_helpers_table;
bsp_libc_init((void *) 0, heap_size, heap_sbrk_spared);
/* Note that VME support may be omitted also by
* providing a no-op BSP_vme_config routine
*/