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-rw-r--r--contrib/syslinux-4.02/com32/lib/syslinux/memmap.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/lib/syslinux/memmap.c b/contrib/syslinux-4.02/com32/lib/syslinux/memmap.c
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+++ b/contrib/syslinux-4.02/com32/lib/syslinux/memmap.c
@@ -0,0 +1,65 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2007-2009 H. Peter Anvin - All Rights Reserved
+ * Copyright 2009 Intel Corporation; author: H. Peter Anvin
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall
+ * be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * memmap.c
+ *
+ * Create initial memory map for "shuffle and boot" operation
+ */
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <syslinux/memscan.h>
+#include <syslinux/movebits.h>
+
+static int syslinux_memory_map_callback(void *map, addr_t start,
+ addr_t len, bool valid)
+{
+ struct syslinux_memmap **mmap = map;
+ return syslinux_add_memmap(mmap, start, len,
+ valid ? SMT_FREE : SMT_RESERVED);
+}
+
+struct syslinux_memmap *syslinux_memory_map(void)
+{
+ struct syslinux_memmap *mmap;
+
+ mmap = syslinux_init_memmap();
+ if (!mmap)
+ return NULL;
+
+ if (syslinux_scan_memory(syslinux_memory_map_callback, &mmap)) {
+ syslinux_free_memmap(mmap);
+ return NULL;
+ }
+
+ return mmap;
+}