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

	* 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.

1 files changed, 42 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/shared/startup/bspgetworkarea.c b/c/src/lib/libbsp/powerpc/shared/startup/bspgetworkarea.c
new file mode 100644
index 0000000000..fc49315f7c
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/shared/startup/bspgetworkarea.c
@@ -0,0 +1,42 @@
+/*
+ *  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 *__rtems_end;
+extern uint32_t _bsp_sbrk_init(uint32_t, uint32_t*);
+
+/*
+ *  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;
+  uintptr_t spared;
+
+  reserve  = (uintptr_t)BSP_INIT_STACK_SIZE;
+  reserve += rtems_configuration_get_interrupt_stack_size();
+  size     = (uintptr_t)BSP_mem_size - (uintptr_t)&__rtems_end + reserve;
+
+  *work_area_start = (void *)(&__rtems_end + reserve);
+  *work_area_size  = size;
+  spared = _bsp_sbrk_init( *work_area_start, work_area_size );
+  *heap_start      = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
+  *heap_size       = BSP_BOOTCARD_HEAP_SIZE_DEFAULT;
+}
+