1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2007-2009 H. Peter Anvin - All Rights Reserved 4 * Copyright 2009 Intel Corporation; author: H. Peter Anvin 5 * 6 * Permission is hereby granted, free of charge, to any person 7 * obtaining a copy of this software and associated documentation 8 * files (the "Software"), to deal in the Software without 9 * restriction, including without limitation the rights to use, 10 * copy, modify, merge, publish, distribute, sublicense, and/or 11 * sell copies of the Software, and to permit persons to whom 12 * the Software is furnished to do so, subject to the following 13 * conditions: 14 * 15 * The above copyright notice and this permission notice shall 16 * be included in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 20 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 22 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 * 27 * ----------------------------------------------------------------------- */ 28 29 /* 30 * memmap.c 31 * 32 * Create initial memory map for "shuffle and boot" operation 33 */ 34 35 #include <assert.h> 36 #include <stdbool.h> 37 #include <stdlib.h> 38 #include <inttypes.h> 39 40 #include <syslinux/memscan.h> 41 #include <syslinux/movebits.h> 42 43 static int syslinux_memory_map_callback(void *map, addr_t start, addr_t len, 44 enum syslinux_memmap_types type) 45 { 46 struct syslinux_memmap **mmap = map; 47 return syslinux_add_memmap(mmap, start, len, type); 48 } 49 50 struct syslinux_memmap *syslinux_memory_map(void) 51 { 52 struct syslinux_memmap *mmap; 53 54 mmap = syslinux_init_memmap(); 55 if (!mmap) 56 return NULL; 57 58 if (syslinux_scan_memory(syslinux_memory_map_callback, &mmap)) { 59 syslinux_free_memmap(mmap); 60 return NULL; 61 } 62 63 return mmap; 64 } 65
