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/*
* 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 */
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