1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2007-2008 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 * syslinux/bootrm.h 31 * 32 * Data structures for shuffle and boot to protected mode 33 */ 34 35 #ifndef _SYSLINUX_BOOTRM_H 36 #define _SYSLINUX_BOOTRM_H 37 38 #include <stdint.h> 39 #include <stdbool.h> 40 #include <com32.h> 41 #include <syslinux/movebits.h> 42 43 /* This register set is used by the shuffle and boot interface. It is 44 a completely different structure from what the __intcall() and 45 __farcall() interfaces use! */ 46 struct syslinux_rm_regs { 47 uint16_t es; /* Offset 0 */ 48 uint16_t _unused_cs; /* Offset 2 */ 49 uint16_t ss; /* Offset 4 */ 50 uint16_t ds; /* Offset 6 */ 51 uint16_t fs; /* Offset 8 */ 52 uint16_t gs; /* Offset 10 */ 53 54 reg32_t eax; /* Offset 12 */ 55 reg32_t ecx; /* Offset 16 */ 56 reg32_t edx; /* Offset 20 */ 57 reg32_t ebx; /* Offset 24 */ 58 reg32_t esp; /* Offset 28 */ 59 reg32_t ebp; /* Offset 32 */ 60 reg32_t esi; /* Offset 36 */ 61 reg32_t edi; /* Offset 40 */ 62 63 uint16_t ip; /* Offset 44 */ 64 uint16_t cs; /* Offset 46 */ 65 66 bool sti; /* Offset 48 */ 67 }; 68 69 int syslinux_shuffle_boot_rm(struct syslinux_movelist *fraglist, 70 struct syslinux_memmap *memmap, 71 uint16_t bootflags, struct syslinux_rm_regs *regs); 72 73 #endif /* _SYSLINUX_BOOTRM_H */ 74