4 * Copyright (c) 2004-2005 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
27 #define KQEMU_VERSION 0x010200
29 struct kqemu_segment_cache {
36 struct kqemu_cpu_state {
38 unsigned long regs[16];
40 unsigned long regs[8];
45 uint32_t dummy0, dummy1, dumm2, dummy3, dummy4;
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 */
60 uint64_t efer __attribute__((aligned(8)));
72 uint32_t error_code; /* error_code when exiting with an exception */
73 unsigned long next_eip; /* next eip value when exiting with an interrupt */
74 unsigned int nb_pages_to_flush; /* number of pages to flush,
75 KQEMU_FLUSH_ALL means full flush */
76 #define KQEMU_MAX_PAGES_TO_FLUSH 512
77 #define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1)
81 /* number of ram_dirty entries to update */
82 unsigned int nb_ram_pages_to_update;
83 #define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512
84 #define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1)
88 uint8_t *ram_base; /* must be page aligned */
89 unsigned long ram_size; /* must be multiple of 4 KB */
90 uint8_t *ram_dirty; /* must be page aligned */
91 uint32_t **phys_to_ram_map; /* must be page aligned */
92 unsigned long *pages_to_flush; /* must be page aligned */
93 unsigned long *ram_pages_to_update; /* must be page aligned */
96 #define KQEMU_RET_ABORT (-1)
97 #define KQEMU_RET_EXCEPTION 0x0000 /* 8 low order bit are the exception */
98 #define KQEMU_RET_INT 0x0100 /* 8 low order bit are the interrupt */
99 #define KQEMU_RET_SOFTMMU 0x0200 /* emulation needed (I/O or
101 #define KQEMU_RET_INTR 0x0201 /* interrupted by a signal */
102 #define KQEMU_RET_SYSCALL 0x0300 /* syscall insn */
105 #define KQEMU_EXEC CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
106 #define KQEMU_INIT CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS)
107 #define KQEMU_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS)
109 #define KQEMU_EXEC _IOWR('q', 1, struct kqemu_cpu_state)
110 #define KQEMU_INIT _IOW('q', 2, struct kqemu_init)
111 #define KQEMU_GET_VERSION _IOR('q', 3, int)