bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 1 | /* |
| 2 | * KQEMU header |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 3 | * |
| 4 | * Copyright (c) 2004-2008 Fabrice Bellard |
| 5 | * |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | #ifndef KQEMU_H |
| 25 | #define KQEMU_H |
| 26 | |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 27 | #if defined(__i386__) |
| 28 | #define KQEMU_PAD32(x) x |
| 29 | #else |
| 30 | #define KQEMU_PAD32(x) |
| 31 | #endif |
| 32 | |
| 33 | #define KQEMU_VERSION 0x010400 |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 34 | |
| 35 | struct kqemu_segment_cache { |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 36 | uint16_t selector; |
| 37 | uint16_t padding1; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 38 | uint32_t flags; |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 39 | uint64_t base; |
| 40 | uint32_t limit; |
| 41 | uint32_t padding2; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | struct kqemu_cpu_state { |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 45 | uint64_t regs[16]; |
| 46 | uint64_t eip; |
| 47 | uint64_t eflags; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 48 | |
| 49 | struct kqemu_segment_cache segs[6]; /* selector values */ |
| 50 | struct kqemu_segment_cache ldt; |
| 51 | struct kqemu_segment_cache tr; |
| 52 | struct kqemu_segment_cache gdt; /* only base and limit are used */ |
| 53 | struct kqemu_segment_cache idt; /* only base and limit are used */ |
| 54 | |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 55 | uint64_t cr0; |
| 56 | uint64_t cr2; |
| 57 | uint64_t cr3; |
| 58 | uint64_t cr4; |
| 59 | uint64_t a20_mask; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 60 | |
| 61 | /* sysenter registers */ |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 62 | uint64_t sysenter_cs; |
| 63 | uint64_t sysenter_esp; |
| 64 | uint64_t sysenter_eip; |
| 65 | uint64_t efer; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 66 | uint64_t star; |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 67 | |
| 68 | uint64_t lstar; |
| 69 | uint64_t cstar; |
| 70 | uint64_t fmask; |
| 71 | uint64_t kernelgsbase; |
| 72 | |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 73 | uint64_t tsc_offset; |
| 74 | |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 75 | uint64_t dr0; |
| 76 | uint64_t dr1; |
| 77 | uint64_t dr2; |
| 78 | uint64_t dr3; |
| 79 | uint64_t dr6; |
| 80 | uint64_t dr7; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 81 | |
| 82 | uint8_t cpl; |
| 83 | uint8_t user_only; |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 84 | uint16_t padding1; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 85 | |
| 86 | uint32_t error_code; /* error_code when exiting with an exception */ |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 87 | uint64_t next_eip; /* next eip value when exiting with an interrupt */ |
| 88 | uint32_t nb_pages_to_flush; /* number of pages to flush, |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 89 | KQEMU_FLUSH_ALL means full flush */ |
| 90 | #define KQEMU_MAX_PAGES_TO_FLUSH 512 |
| 91 | #define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1) |
| 92 | |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 93 | int32_t retval; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 94 | |
| 95 | /* number of ram_dirty entries to update */ |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 96 | uint32_t nb_ram_pages_to_update; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 97 | #define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512 |
| 98 | #define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1) |
| 99 | |
| 100 | #define KQEMU_MAX_MODIFIED_RAM_PAGES 512 |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 101 | uint32_t nb_modified_ram_pages; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | struct kqemu_init { |
| 105 | uint8_t *ram_base; /* must be page aligned */ |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 106 | KQEMU_PAD32(uint32_t padding1;) |
| 107 | uint64_t ram_size; /* must be multiple of 4 KB */ |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 108 | uint8_t *ram_dirty; /* must be page aligned */ |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 109 | KQEMU_PAD32(uint32_t padding2;) |
| 110 | uint64_t *pages_to_flush; /* must be page aligned */ |
| 111 | KQEMU_PAD32(uint32_t padding4;) |
| 112 | uint64_t *ram_pages_to_update; /* must be page aligned */ |
| 113 | KQEMU_PAD32(uint32_t padding5;) |
| 114 | uint64_t *modified_ram_pages; /* must be page aligned */ |
| 115 | KQEMU_PAD32(uint32_t padding6;) |
| 116 | }; |
| 117 | |
| 118 | #define KQEMU_IO_MEM_RAM 0 |
| 119 | #define KQEMU_IO_MEM_ROM 1 |
| 120 | #define KQEMU_IO_MEM_COMM 2 /* kqemu communication page */ |
| 121 | #define KQEMU_IO_MEM_UNASSIGNED 3 /* any device: return to application */ |
| 122 | |
| 123 | struct kqemu_phys_mem { |
| 124 | uint64_t phys_addr; /* physical address range: phys_addr, |
| 125 | phys_addr + size */ |
| 126 | uint64_t size; |
| 127 | uint64_t ram_addr; /* corresponding ram address */ |
| 128 | uint32_t io_index; /* memory type: see KQEMU_IO_MEM_xxx */ |
| 129 | uint32_t padding1; |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | #define KQEMU_RET_ABORT (-1) |
| 133 | #define KQEMU_RET_EXCEPTION 0x0000 /* 8 low order bit are the exception */ |
| 134 | #define KQEMU_RET_INT 0x0100 /* 8 low order bit are the interrupt */ |
| 135 | #define KQEMU_RET_SOFTMMU 0x0200 /* emulation needed (I/O or |
| 136 | unsupported INSN) */ |
| 137 | #define KQEMU_RET_INTR 0x0201 /* interrupted by a signal */ |
| 138 | #define KQEMU_RET_SYSCALL 0x0300 /* syscall insn */ |
| 139 | |
| 140 | #ifdef _WIN32 |
| 141 | #define KQEMU_EXEC CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) |
| 142 | #define KQEMU_INIT CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS) |
| 143 | #define KQEMU_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS) |
| 144 | #define KQEMU_MODIFY_RAM_PAGES CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_WRITE_ACCESS) |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 145 | #define KQEMU_SET_PHYS_MEM CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_WRITE_ACCESS) |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 146 | #else |
| 147 | #define KQEMU_EXEC _IOWR('q', 1, struct kqemu_cpu_state) |
| 148 | #define KQEMU_INIT _IOW('q', 2, struct kqemu_init) |
| 149 | #define KQEMU_GET_VERSION _IOR('q', 3, int) |
| 150 | #define KQEMU_MODIFY_RAM_PAGES _IOW('q', 4, int) |
bellard | da26024 | 2008-05-30 20:48:25 +0000 | [diff] [blame] | 151 | #define KQEMU_SET_PHYS_MEM _IOW('q', 5, struct kqemu_phys_mem) |
bellard | 05c2a3e | 2006-02-08 22:39:17 +0000 | [diff] [blame] | 152 | #endif |
| 153 | |
| 154 | #endif /* KQEMU_H */ |