| 1 | /* ----------------------------------------------------------------------- * |
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| 2 | * |
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| 3 | * Copyright 2007-2008 H. Peter Anvin - All Rights Reserved |
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| 4 | * Copyright 2009 Intel Corporation; author: H. Peter Anvin |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person |
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| 7 | * obtaining a copy of this software and associated documentation |
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| 8 | * files (the "Software"), to deal in the Software without |
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| 9 | * restriction, including without limitation the rights to use, |
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| 10 | * copy, modify, merge, publish, distribute, sublicense, and/or |
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| 11 | * sell copies of the Software, and to permit persons to whom |
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| 12 | * the Software is furnished to do so, subject to the following |
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| 13 | * conditions: |
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| 14 | * |
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| 15 | * The above copyright notice and this permission notice shall |
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| 16 | * be included in all copies or substantial portions of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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| 20 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 21 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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| 22 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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| 23 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 25 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 26 | * |
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| 27 | * ----------------------------------------------------------------------- */ |
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| 28 | |
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| 29 | /* |
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| 30 | * syslinux/bootrm.h |
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| 31 | * |
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| 32 | * Data structures for shuffle and boot to protected mode |
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| 33 | */ |
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| 34 | |
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| 35 | #ifndef _SYSLINUX_BOOTRM_H |
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| 36 | #define _SYSLINUX_BOOTRM_H |
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| 37 | |
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| 38 | #include <stdint.h> |
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| 39 | #include <stdbool.h> |
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| 40 | #include <com32.h> |
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| 41 | #include <syslinux/movebits.h> |
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| 42 | |
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| 43 | /* This register set is used by the shuffle and boot interface. It is |
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| 44 | a completely different structure from what the __intcall() and |
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| 45 | __farcall() interfaces use! */ |
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| 46 | struct syslinux_rm_regs { |
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| 47 | uint16_t es; /* Offset 0 */ |
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| 48 | uint16_t _unused_cs; /* Offset 2 */ |
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| 49 | uint16_t ss; /* Offset 4 */ |
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| 50 | uint16_t ds; /* Offset 6 */ |
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| 51 | uint16_t fs; /* Offset 8 */ |
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| 52 | uint16_t gs; /* Offset 10 */ |
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| 53 | |
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| 54 | reg32_t eax; /* Offset 12 */ |
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| 55 | reg32_t ecx; /* Offset 16 */ |
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| 56 | reg32_t edx; /* Offset 20 */ |
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| 57 | reg32_t ebx; /* Offset 24 */ |
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| 58 | reg32_t esp; /* Offset 28 */ |
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| 59 | reg32_t ebp; /* Offset 32 */ |
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| 60 | reg32_t esi; /* Offset 36 */ |
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| 61 | reg32_t edi; /* Offset 40 */ |
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| 62 | |
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| 63 | uint16_t ip; /* Offset 44 */ |
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| 64 | uint16_t cs; /* Offset 46 */ |
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| 65 | |
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| 66 | bool sti; /* Offset 48 */ |
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| 67 | }; |
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| 68 | |
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| 69 | int syslinux_shuffle_boot_rm(struct syslinux_movelist *fraglist, |
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| 70 | struct syslinux_memmap *memmap, |
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| 71 | uint16_t bootflags, struct syslinux_rm_regs *regs); |
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| 72 | |
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| 73 | #endif /* _SYSLINUX_BOOTRM_H */ |
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