File:  [Qemu by Fabrice Bellard] / qemu / kqemu.h
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:50:29 2018 UTC (3 years, 3 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu0111, qemu0110, qemu0105, qemu0104, qemu0103, qemu0102, qemu0101, qemu0100, HEAD
qemu 0.10.0

    1: /*
    2:  * KQEMU header
    3:  * 
    4:  * Copyright (c) 2004-2008 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: #if defined(__i386__)
   28: #define KQEMU_PAD32(x) x
   29: #else
   30: #define KQEMU_PAD32(x)
   31: #endif
   32: 
   33: #define KQEMU_VERSION 0x010400
   34: 
   35: struct kqemu_segment_cache {
   36:     uint16_t selector;
   37:     uint16_t padding1;
   38:     uint32_t flags;
   39:     uint64_t base;
   40:     uint32_t limit;
   41:     uint32_t padding2;
   42: };
   43: 
   44: struct kqemu_cpu_state {
   45:     uint64_t regs[16];
   46:     uint64_t eip;
   47:     uint64_t eflags;
   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: 
   55:     uint64_t cr0;
   56:     uint64_t cr2;
   57:     uint64_t cr3;
   58:     uint64_t cr4;
   59:     uint64_t a20_mask;
   60: 
   61:     /* sysenter registers */
   62:     uint64_t sysenter_cs;
   63:     uint64_t sysenter_esp;
   64:     uint64_t sysenter_eip;
   65:     uint64_t efer;
   66:     uint64_t star;
   67:     
   68:     uint64_t lstar;
   69:     uint64_t cstar;
   70:     uint64_t fmask;
   71:     uint64_t kernelgsbase;
   72: 
   73:     uint64_t tsc_offset;
   74: 
   75:     uint64_t dr0;
   76:     uint64_t dr1;
   77:     uint64_t dr2;
   78:     uint64_t dr3;
   79:     uint64_t dr6;
   80:     uint64_t dr7;
   81: 
   82:     uint8_t cpl;
   83:     uint8_t user_only;
   84:     uint16_t padding1;
   85: 
   86:     uint32_t error_code; /* error_code when exiting with an exception */
   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,
   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: 
   93:     int32_t retval;
   94: 
   95:     /* number of ram_dirty entries to update */
   96:     uint32_t nb_ram_pages_to_update; 
   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
  101:     uint32_t nb_modified_ram_pages;
  102: };
  103: 
  104: struct kqemu_init {
  105:     uint8_t *ram_base; /* must be page aligned */
  106:     KQEMU_PAD32(uint32_t padding1;)
  107:     uint64_t ram_size; /* must be multiple of 4 KB */
  108:     uint8_t *ram_dirty; /* must be page aligned */
  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;
  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)
  145: #define KQEMU_SET_PHYS_MEM     CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_WRITE_ACCESS)
  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)
  151: #define KQEMU_SET_PHYS_MEM     _IOW('q', 5, struct kqemu_phys_mem)
  152: #endif
  153: 
  154: #endif /* KQEMU_H */

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