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v86_x86emu.h

#ifndef __H_V86_X86EMU
#define __H_V86_X86EMU

#define X86_EAX M.x86.R_EAX
#define X86_EBX M.x86.R_EBX
#define X86_ECX M.x86.R_ECX
#define X86_EDX M.x86.R_EDX
#define X86_ESI M.x86.R_ESI
#define X86_EDI M.x86.R_EDI
#define X86_EBP M.x86.R_EBP
#define X86_EIP M.x86.R_EIP
#define X86_ESP M.x86.R_ESP
#define X86_EFLAGS M.x86.R_EFLG

#define X86_FLAGS M.x86.R_FLG
#define X86_AX M.x86.R_AX
#define X86_BX M.x86.R_BX
#define X86_CX M.x86.R_CX
#define X86_DX M.x86.R_DX
#define X86_SI M.x86.R_SI
#define X86_DI M.x86.R_DI
#define X86_BP M.x86.R_BP
#define X86_IP M.x86.R_IP
#define X86_SP M.x86.R_SP
#define X86_CS M.x86.R_CS
#define X86_DS M.x86.R_DS
#define X86_ES M.x86.R_ES
#define X86_SS M.x86.R_SS
#define X86_FS M.x86.R_FS
#define X86_GS M.x86.R_GS

#define X86_AL M.x86.R_AL
#define X86_BL M.x86.R_BL
#define X86_CL M.x86.R_CL
#define X86_DL M.x86.R_DL

#define X86_AH M.x86.R_AH
#define X86_BH M.x86.R_BH
#define X86_CH M.x86.R_CH
#define X86_DH M.x86.R_DH

#define X86_TF_MASK           0x00000100
#define X86_IF_MASK           0x00000200
#define X86_IOPL_MASK   0x00003000
#define X86_NT_MASK           0x00004000
#define X86_VM_MASK           0x00020000
#define X86_AC_MASK           0x00040000
#define X86_VIF_MASK    0x00080000  /* virtual interrupt flag */
#define X86_VIP_MASK    0x00100000  /* virtual interrupt pending */
#define X86_ID_MASK           0x00200000

#define DEFAULT_V86_FLAGS  (X86_IF_MASK | X86_IOPL_MASK)

#define __BUILDIO(bwl,bw,type)                                                      \
static void x_out ## bwl (u16 port, type value) {                       \
      /*printf("out" #bwl " %x, %x\n", port, value);*/                  \
      __asm__ __volatile__("out" #bwl " %" #bw "0, %w1"                 \
                  : : "a"(value), "Nd"(port));                                \
}                                                                                               \
                                                                                                \
static type x_in ## bwl (u16 port) {                                          \
      type value;                                                                         \
      __asm__ __volatile__("in" #bwl " %w1, %" #bw "0"                  \
                  : "=a"(value)                                                           \
                  : "Nd"(port));                                                          \
      /*printf("in" #bwl " %x = %x\n", port, value);*/                  \
      return value;                                                                       \
}
#endif /* __H_V86_X86EMU */

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