auto import from //depot/cupcake/@135843

1 files changed, 154 insertions, 0 deletions

diff --git a/kqemu.h b/kqemu.h
new file mode 100644
index 0000000..ed25c75
--- /dev/null
+++ b/kqemu.h
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+/*
+ * KQEMU header
+ * 
+ * Copyright (c) 2004-2008 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
+
+#if defined(__i386__)
+#define KQEMU_PAD32(x) x
+#else
+#define KQEMU_PAD32(x)
+#endif
+
+#define KQEMU_VERSION 0x010400
+
+struct kqemu_segment_cache {
+    uint16_t selector;
+    uint16_t padding1;
+    uint32_t flags;
+    uint64_t base;
+    uint32_t limit;
+    uint32_t padding2;
+};
+
+struct kqemu_cpu_state {
+    uint64_t regs[16];
+    uint64_t eip;
+    uint64_t eflags;
+
+    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 */
+
+    uint64_t cr0;
+    uint64_t cr2;
+    uint64_t cr3;
+    uint64_t cr4;
+    uint64_t a20_mask;
+
+    /* sysenter registers */
+    uint64_t sysenter_cs;
+    uint64_t sysenter_esp;
+    uint64_t sysenter_eip;
+    uint64_t efer;
+    uint64_t star;
+    
+    uint64_t lstar;
+    uint64_t cstar;
+    uint64_t fmask;
+    uint64_t kernelgsbase;
+
+    uint64_t tsc_offset;
+
+    uint64_t dr0;
+    uint64_t dr1;
+    uint64_t dr2;
+    uint64_t dr3;
+    uint64_t dr6;
+    uint64_t dr7;
+
+    uint8_t cpl;
+    uint8_t user_only;
+    uint16_t padding1;
+
+    uint32_t error_code; /* error_code when exiting with an exception */
+    uint64_t next_eip; /* next eip value when exiting with an interrupt */
+    uint32_t 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)
+
+    int32_t retval;
+
+    /* number of ram_dirty entries to update */
+    uint32_t 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
+    uint32_t nb_modified_ram_pages;
+};
+
+struct kqemu_init {
+    uint8_t *ram_base; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding1;)
+    uint64_t ram_size; /* must be multiple of 4 KB */
+    uint8_t *ram_dirty; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding2;)
+    uint64_t *pages_to_flush; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding4;)
+    uint64_t *ram_pages_to_update; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding5;)
+    uint64_t *modified_ram_pages; /* must be page aligned */
+    KQEMU_PAD32(uint32_t padding6;)
+};
+
+#define KQEMU_IO_MEM_RAM        0
+#define KQEMU_IO_MEM_ROM        1
+#define KQEMU_IO_MEM_COMM       2 /* kqemu communication page */
+#define KQEMU_IO_MEM_UNASSIGNED 3 /* any device: return to application */
+
+struct kqemu_phys_mem {
+    uint64_t phys_addr; /* physical address range: phys_addr,
+                           phys_addr + size */
+    uint64_t size;        
+    uint64_t ram_addr;  /* corresponding ram address */
+    uint32_t io_index;  /* memory type: see KQEMU_IO_MEM_xxx */
+    uint32_t padding1;
+};
+
+#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)
+#define KQEMU_SET_PHYS_MEM     CTL_CODE(FILE_DEVICE_UNKNOWN, 5, 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)
+#define KQEMU_SET_PHYS_MEM     _IOW('q', 5, struct kqemu_phys_mem)
+#endif
+
+#endif /* KQEMU_H */