1 files changed, 94 insertions, 0 deletions
diff --git a/bsps/include/bsp/stackalloc.h b/bsps/include/bsp/stackalloc.h
new file mode 100644
index 0000000000..89414c8e6e
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+++ b/bsps/include/bsp/stackalloc.h
@@ -0,0 +1,94 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_stack
+ *
+ * @brief Task stack initialization, allocation and free functions.
+ */
+
+/*
+ * Copyright (c) 2009-2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef LIBBSP_SHARED_STACK_ALLOC_H
+#define LIBBSP_SHARED_STACK_ALLOC_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup bsp_stack Task Stack Allocator
+ *
+ * @ingroup bsp_shared
+ *
+ * @brief Task stack initialization, allocation and free functions.
+ *
+ * Initialize the task stack allocator with bsp_stack_initialize().  To enable
+ * the task stack allocator use the following in the system configuration:
+ *
+ * @code
+ * #include <bsp/stackalloc.h>
+ *
+ * #define CONFIGURE_INIT
+ *
+ * #include <confdefs.h>
+ * @endcode
+ *
+ * @{
+ */
+
+/**
+ * @brief Task stack allocator initialization for
+ * @ref CONFIGURE_TASK_STACK_ALLOCATOR_INIT.
+ */
+void bsp_stack_allocate_init(size_t stack_space_size);
+
+/**
+ * @brief Task stack allocator for @ref CONFIGURE_TASK_STACK_ALLOCATOR.
+ *
+ * In case the designated task stack space from bsp_stack_initialize() is
+ * completely in use the work space will be used to allocate the stack.
+ */
+void *bsp_stack_allocate(size_t size);
+
+/**
+ * @brief Task stack free function for @ref CONFIGURE_TASK_STACK_DEALLOCATOR.
+ */
+void bsp_stack_free(void *stack);
+
+/**
+ * @brief Task stack allocator initialization configuration option.
+ */
+#define CONFIGURE_TASK_STACK_ALLOCATOR_INIT bsp_stack_allocate_init
+
+/**
+ * @brief Task stack allocator configuration option.
+ */
+#define CONFIGURE_TASK_STACK_ALLOCATOR bsp_stack_allocate
+
+/**
+ * @brief Task stack deallocator configuration option.
+ */
+#define CONFIGURE_TASK_STACK_DEALLOCATOR bsp_stack_free
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_SHARED_STACK_ALLOC_H */