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-rw-r--r--cpukit/score/src/wkspace.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/cpukit/score/src/wkspace.c b/cpukit/score/src/wkspace.c
new file mode 100644
index 0000000000..568bfc1ce7
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+++ b/cpukit/score/src/wkspace.c
@@ -0,0 +1,125 @@
+/*
+ * Workspace Handler
+ *
+ * COPYRIGHT (c) 1989-2009.
+ * 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.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/config.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/interr.h>
+
+#include <string.h> /* for memset */
+
+/* #define DEBUG_WORKSPACE */
+#if defined(DEBUG_WORKSPACE)
+ #include <rtems/bspIo.h>
+#endif
+
+/*
+ * _Workspace_Handler_initialization
+ */
+void _Workspace_Handler_initialization(void)
+{
+ uintptr_t memory_available = 0;
+ void *starting_address = Configuration.work_space_start;
+ uintptr_t size = Configuration.work_space_size;
+
+ if ( Configuration.do_zero_of_workspace )
+ memset( starting_address, 0, size );
+
+ memory_available = _Heap_Initialize(
+ &_Workspace_Area,
+ starting_address,
+ size,
+ CPU_HEAP_ALIGNMENT
+ );
+
+ if ( memory_available == 0 )
+ _Internal_error_Occurred(
+ INTERNAL_ERROR_CORE,
+ true,
+ INTERNAL_ERROR_TOO_LITTLE_WORKSPACE
+ );
+}
+
+/*
+ * _Workspace_Allocate
+ */
+void *_Workspace_Allocate(
+ size_t size
+)
+{
+ void *memory;
+
+ memory = _Heap_Allocate( &_Workspace_Area, size );
+ #if defined(DEBUG_WORKSPACE)
+ printk(
+ "Workspace_Allocate(%d) from %p/%p -> %p\n",
+ size,
+ __builtin_return_address( 0 ),
+ __builtin_return_address( 1 ),
+ memory
+ );
+ #endif
+ return memory;
+}
+
+/*
+ * _Workspace_Free
+ */
+void _Workspace_Free(
+ void *block
+)
+{
+ #if defined(DEBUG_WORKSPACE)
+ printk(
+ "Workspace_Free(%p) from %p/%p\n",
+ block,
+ __builtin_return_address( 0 ),
+ __builtin_return_address( 1 )
+ );
+ #endif
+ _Heap_Free( &_Workspace_Area, block );
+}
+
+/*
+ * _Workspace_Allocate_or_fatal_error
+ */
+void *_Workspace_Allocate_or_fatal_error(
+ size_t size
+)
+{
+ void *memory;
+
+ memory = _Heap_Allocate( &_Workspace_Area, size );
+ #if defined(DEBUG_WORKSPACE)
+ printk(
+ "Workspace_Allocate_or_fatal_error(%d) from %p/%p -> %p\n",
+ size,
+ __builtin_return_address( 0 ),
+ __builtin_return_address( 1 ),
+ memory
+ );
+ #endif
+
+ if ( memory == NULL )
+ _Internal_error_Occurred(
+ INTERNAL_ERROR_CORE,
+ true,
+ INTERNAL_ERROR_WORKSPACE_ALLOCATION
+ );
+
+ return memory;
+}