2008-09-16 Joel Sherrill <joel.sherrill@oarcorp.com>

	* bspgetworkarea.c: New file.  This implementation should be useable
	by most BSPs if they provide the proper support in their linker script.

2 files changed, 49 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/shared/ChangeLog b/c/src/lib/libbsp/shared/ChangeLog
index 9c9063fcba..2ccc6d339c 100644
--- a/c/src/lib/libbsp/shared/ChangeLog
+++ b/c/src/lib/libbsp/shared/ChangeLog
@@ -1,5 +1,10 @@
 2008-09-16	Joel Sherrill <joel.sherrill@oarcorp.com>
 
+	* bspgetworkarea.c: New file.  This implementation should be useable
+	by most BSPs if they provide the proper support in their linker script.
+
+2008-09-16	Joel Sherrill <joel.sherrill@oarcorp.com>
+
 	* clockdrv_shell.c: Remove unnecessary includes of rtems/libcsupport.h
 	and rtems/libio.h.
 	* bspstart.c: New file.
diff --git a/c/src/lib/libbsp/shared/bspgetworkarea.c b/c/src/lib/libbsp/shared/bspgetworkarea.c
new file mode 100644
index 0000000000..2a5f313517
--- /dev/null
+++ b/c/src/lib/libbsp/shared/bspgetworkarea.c
@@ -0,0 +1,44 @@
+/*
+ *  This routine is an implementation of the bsp_get_work_area()
+ *  that can be used by all m68k BSPs following linkcmds conventions
+ *  regarding heap, stack, and workspace allocation.
+ *
+ *  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>
+
+/*
+ *  These are provided by the linkcmds for ALL of the BSPs which use this file.
+ */
+extern char RamBase[];
+extern char WorkAreaBase[];
+extern char HeapSize[];
+extern char 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
+)
+{
+  *work_area_start       = WorkAreaBase;
+  *work_area_size       = (uintptr_t) RamBase + (uintptr_t) RamSize -
+       (uintptr_t) WorkAreaBase;
+  *heap_start = BSP_BOOTCARD_HEAP_USES_WORK_AREA;
+  *heap_size = (size_t) HeapSize;
+}