diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/lib/syslinux/memmap.c')
-rw-r--r-- | contrib/syslinux-4.02/com32/lib/syslinux/memmap.c | 65 |
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 new file mode 100644 index 0000000..12baa33 --- /dev/null +++ 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; +} |