projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 05c2a3e7 FB |
1 | /* |
| 2 | * KQEMU header | |
| 3 | * | |
| 4 | * Copyright (c) 2004-2006 Fabrice Bellard | |
| 5 | * | |
| 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 | ||
| 27 | #define KQEMU_VERSION 0x010300 | |
| 28 | ||
| 29 | struct kqemu_segment_cache { | |
| 30 | uint32_t selector; | |
| 31 | unsigned long base; | |
| 32 | uint32_t limit; | |
| 33 | uint32_t flags; | |
| 34 | }; | |
| 35 | ||
| 36 | struct kqemu_cpu_state { | |
| 37 | #ifdef __x86_64__ | |
| 38 | unsigned long regs[16]; | |
| 39 | #else | |
| 40 | unsigned long regs[8]; | |
| 41 | #endif | |
| 42 | unsigned long eip; | |
| 43 | unsigned long eflags; | |
| 44 | ||
| 45 | uint32_t dummy0, dummy1, dumm2, dummy3, dummy4; | |
| 46 | ||
| 47 | struct kqemu_segment_cache segs[6]; /* selector values */ | |
| 48 | struct kqemu_segment_cache ldt; | |
| 49 | struct kqemu_segment_cache tr; | |
| 50 | struct kqemu_segment_cache gdt; /* only base and limit are used */ | |
| 51 | struct kqemu_segment_cache idt; /* only base and limit are used */ | |
| 52 | ||
| 53 | unsigned long cr0; | |
| 54 | unsigned long dummy5; | |
| 55 | unsigned long cr2; | |
| 56 | unsigned long cr3; | |
| 57 | unsigned long cr4; | |
| 58 | uint32_t a20_mask; | |
| 59 | ||
| 60 | /* sysenter registers */ | |
| 61 | uint32_t sysenter_cs; | |
| 62 | uint32_t sysenter_esp; | |
| 63 | uint32_t sysenter_eip; | |
| 64 | uint64_t efer __attribute__((aligned(8))); | |
| 65 | uint64_t star; | |
| 66 | #ifdef __x86_64__ | |
| 67 | unsigned long lstar; | |
| 68 | unsigned long cstar; | |
| 69 | unsigned long fmask; | |
| 70 | unsigned long kernelgsbase; | |
| 71 | #endif | |
| 72 | uint64_t tsc_offset; | |
| 73 | ||
| 74 | unsigned long dr0; | |
| 75 | unsigned long dr1; | |
| 76 | unsigned long dr2; | |
| 77 | unsigned long dr3; | |
| 78 | unsigned long dr6; | |
| 79 | unsigned long dr7; | |
| 80 | ||
| 81 | uint8_t cpl; | |
| 82 | uint8_t user_only; | |
| 83 | ||
| 84 | uint32_t error_code; /* error_code when exiting with an exception */ | |
| 85 | unsigned long next_eip; /* next eip value when exiting with an interrupt */ | |
| 86 | unsigned int nb_pages_to_flush; /* number of pages to flush, | |
| 87 | KQEMU_FLUSH_ALL means full flush */ | |
| 88 | #define KQEMU_MAX_PAGES_TO_FLUSH 512 | |
| 89 | #define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1) | |
| 90 | ||
| 91 | long retval; | |
| 92 | ||
| 93 | /* number of ram_dirty entries to update */ | |
| 94 | unsigned int nb_ram_pages_to_update; | |
| 95 | #define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512 | |
| 96 | #define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1) | |
| 97 | ||
| 98 | #define KQEMU_MAX_MODIFIED_RAM_PAGES 512 | |
| 99 | unsigned int nb_modified_ram_pages; | |
| 100 | }; | |
| 101 | ||
| 102 | struct kqemu_init { | |
| 103 | uint8_t *ram_base; /* must be page aligned */ | |
| 104 | unsigned long ram_size; /* must be multiple of 4 KB */ | |
| 105 | uint8_t *ram_dirty; /* must be page aligned */ | |
| 106 | uint32_t **phys_to_ram_map; /* must be page aligned */ | |
| 107 | unsigned long *pages_to_flush; /* must be page aligned */ | |
| 108 | unsigned long *ram_pages_to_update; /* must be page aligned */ | |
| 109 | unsigned long *modified_ram_pages; /* must be page aligned */ | |
| 110 | }; | |
| 111 | ||
| 112 | #define KQEMU_RET_ABORT (-1) | |
| 113 | #define KQEMU_RET_EXCEPTION 0x0000 /* 8 low order bit are the exception */ | |
| 114 | #define KQEMU_RET_INT 0x0100 /* 8 low order bit are the interrupt */ | |
| 115 | #define KQEMU_RET_SOFTMMU 0x0200 /* emulation needed (I/O or | |
| 116 | unsupported INSN) */ | |
| 117 | #define KQEMU_RET_INTR 0x0201 /* interrupted by a signal */ | |
| 118 | #define KQEMU_RET_SYSCALL 0x0300 /* syscall insn */ | |
| 119 | ||
| 120 | #ifdef _WIN32 | |
| 121 | #define KQEMU_EXEC CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) | |
| 122 | #define KQEMU_INIT CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS) | |
| 123 | #define KQEMU_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS) | |
| 124 | #define KQEMU_MODIFY_RAM_PAGES CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_WRITE_ACCESS) | |
| 125 | #else | |
| 126 | #define KQEMU_EXEC _IOWR('q', 1, struct kqemu_cpu_state) | |
| 127 | #define KQEMU_INIT _IOW('q', 2, struct kqemu_init) | |
| 128 | #define KQEMU_GET_VERSION _IOR('q', 3, int) | |
| 129 | #define KQEMU_MODIFY_RAM_PAGES _IOW('q', 4, int) | |
| 130 | #endif | |
| 131 | ||
| 132 | #endif /* KQEMU_H */ |