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Diffstat (limited to 'kqemu.h')
| -rw-r--r-- | kqemu.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/kqemu.h b/kqemu.h new file mode 100644 index 0000000000..892e335935 --- /dev/null +++ b/kqemu.h @@ -0,0 +1,132 @@ +/* + * KQEMU header + * + * Copyright (c) 2004-2006 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef KQEMU_H +#define KQEMU_H + +#define KQEMU_VERSION 0x010300 + +struct kqemu_segment_cache { + uint32_t selector; + unsigned long base; + uint32_t limit; + uint32_t flags; +}; + +struct kqemu_cpu_state { +#ifdef __x86_64__ + unsigned long regs[16]; +#else + unsigned long regs[8]; +#endif + unsigned long eip; + unsigned long eflags; + + uint32_t dummy0, dummy1, dumm2, dummy3, dummy4; + + struct kqemu_segment_cache segs[6]; /* selector values */ + struct kqemu_segment_cache ldt; + struct kqemu_segment_cache tr; + struct kqemu_segment_cache gdt; /* only base and limit are used */ + struct kqemu_segment_cache idt; /* only base and limit are used */ + + unsigned long cr0; + unsigned long dummy5; + unsigned long cr2; + unsigned long cr3; + unsigned long cr4; + uint32_t a20_mask; + + /* sysenter registers */ + uint32_t sysenter_cs; + uint32_t sysenter_esp; + uint32_t sysenter_eip; + uint64_t efer __attribute__((aligned(8))); + uint64_t star; +#ifdef __x86_64__ + unsigned long lstar; + unsigned long cstar; + unsigned long fmask; + unsigned long kernelgsbase; +#endif + uint64_t tsc_offset; + + unsigned long dr0; + unsigned long dr1; + unsigned long dr2; + unsigned long dr3; + unsigned long dr6; + unsigned long dr7; + + uint8_t cpl; + uint8_t user_only; + + uint32_t error_code; /* error_code when exiting with an exception */ + unsigned long next_eip; /* next eip value when exiting with an interrupt */ + unsigned int nb_pages_to_flush; /* number of pages to flush, + KQEMU_FLUSH_ALL means full flush */ +#define KQEMU_MAX_PAGES_TO_FLUSH 512 +#define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1) + + long retval; + + /* number of ram_dirty entries to update */ + unsigned int nb_ram_pages_to_update; +#define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512 +#define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1) + +#define KQEMU_MAX_MODIFIED_RAM_PAGES 512 + unsigned int nb_modified_ram_pages; +}; + +struct kqemu_init { + uint8_t *ram_base; /* must be page aligned */ + unsigned long ram_size; /* must be multiple of 4 KB */ + uint8_t *ram_dirty; /* must be page aligned */ + uint32_t **phys_to_ram_map; /* must be page aligned */ + unsigned long *pages_to_flush; /* must be page aligned */ + unsigned long *ram_pages_to_update; /* must be page aligned */ + unsigned long *modified_ram_pages; /* must be page aligned */ +}; + +#define KQEMU_RET_ABORT (-1) +#define KQEMU_RET_EXCEPTION 0x0000 /* 8 low order bit are the exception */ +#define KQEMU_RET_INT 0x0100 /* 8 low order bit are the interrupt */ +#define KQEMU_RET_SOFTMMU 0x0200 /* emulation needed (I/O or + unsupported INSN) */ +#define KQEMU_RET_INTR 0x0201 /* interrupted by a signal */ +#define KQEMU_RET_SYSCALL 0x0300 /* syscall insn */ + +#ifdef _WIN32 +#define KQEMU_EXEC CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS) +#define KQEMU_INIT CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#define KQEMU_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS) +#define KQEMU_MODIFY_RAM_PAGES CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#else +#define KQEMU_EXEC _IOWR('q', 1, struct kqemu_cpu_state) +#define KQEMU_INIT _IOW('q', 2, struct kqemu_init) +#define KQEMU_GET_VERSION _IOR('q', 3, int) +#define KQEMU_MODIFY_RAM_PAGES _IOW('q', 4, int) +#endif + +#endif /* KQEMU_H */ |