exec-i386.h

   1 /* i386 execution defines */
   2
   3 typedef unsigned char uint8_t;
   4 typedef unsigned short uint16_t;
   5 typedef unsigned int uint32_t;
   6 typedef unsigned long long uint64_t;
   7
   8 typedef signed char int8_t;
   9 typedef signed short int16_t;
  10 typedef signed int int32_t;
  11 typedef signed long long int64_t;
  12
  13 #define bswap32(x) \
  14 ({ \
  15         uint32_t __x = (x); \
  16         ((uint32_t)( \
  17                 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
  18                 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
  19                 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
  20                 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
  21 })
  22
  23 #define NULL 0
  24 #include <fenv.h>
  25
  26 typedef struct FILE FILE;
  27 extern FILE *logfile;
  28 extern int loglevel;
  29 extern int fprintf(FILE *, const char *, ...);
  30 extern int printf(const char *, ...);
  31
  32 #ifdef __i386__
  33 register unsigned int T0 asm("ebx");
  34 register unsigned int T1 asm("esi");
  35 register unsigned int A0 asm("edi");
  36 register struct CPUX86State *env asm("ebp");
  37 #endif
  38 #ifdef __powerpc__
  39 register unsigned int EAX asm("r16");
  40 register unsigned int ECX asm("r17");
  41 register unsigned int EDX asm("r18");
  42 register unsigned int EBX asm("r19");
  43 register unsigned int ESP asm("r20");
  44 register unsigned int EBP asm("r21");
  45 register unsigned int ESI asm("r22");
  46 register unsigned int EDI asm("r23");
  47 register unsigned int T0 asm("r24");
  48 register unsigned int T1 asm("r25");
  49 register unsigned int A0 asm("r26");
  50 register struct CPUX86State *env asm("r27");
  51 #define USE_INT_TO_FLOAT_HELPERS
  52 #define reg_EAX
  53 #define reg_ECX
  54 #define reg_EDX
  55 #define reg_EBX
  56 #define reg_ESP
  57 #define reg_EBP
  58 #define reg_ESI
  59 #define reg_EDI
  60 #endif
  61 #ifdef __arm__
  62 register unsigned int T0 asm("r4");
  63 register unsigned int T1 asm("r5");
  64 register unsigned int A0 asm("r6");
  65 register struct CPUX86State *env asm("r7");
  66 #endif
  67 #ifdef __mips__
  68 register unsigned int T0 asm("s0");
  69 register unsigned int T1 asm("s1");
  70 register unsigned int A0 asm("s2");
  71 register struct CPUX86State *env asm("s3");
  72 #endif
  73 #ifdef __sparc__
  74 register unsigned int T0 asm("l0");
  75 register unsigned int T1 asm("l1");
  76 register unsigned int A0 asm("l2");
  77 register struct CPUX86State *env asm("l3");
  78 #endif
  79
  80 /* force GCC to generate only one epilog at the end of the function */
  81 #define FORCE_RET() asm volatile ("");
  82
  83 #ifndef OPPROTO
  84 #define OPPROTO
  85 #endif
  86
  87 #define xglue(x, y) x ## y
  88 #define glue(x, y) xglue(x, y)
  89
  90 #ifndef reg_EAX
  91 #define EAX (env->regs[R_EAX])
  92 #endif
  93 #ifndef reg_ECX
  94 #define ECX (env->regs[R_ECX])
  95 #endif
  96 #ifndef reg_EDX
  97 #define EDX (env->regs[R_EDX])
  98 #endif
  99 #ifndef reg_EBX
 100 #define EBX (env->regs[R_EBX])
 101 #endif
 102 #ifndef reg_ESP
 103 #define ESP (env->regs[R_ESP])
 104 #endif
 105 #ifndef reg_EBP
 106 #define EBP (env->regs[R_EBP])
 107 #endif
 108 #ifndef reg_ESI
 109 #define ESI (env->regs[R_ESI])
 110 #endif
 111 #ifndef reg_EDI
 112 #define EDI (env->regs[R_EDI])
 113 #endif
 114 #define PC  (env->pc)
 115 #define DF  (env->df)
 116
 117 #define CC_SRC (env->cc_src)
 118 #define CC_DST (env->cc_dst)
 119 #define CC_OP  (env->cc_op)
 120
 121 /* float macros */
 122 #define FT0    (env->ft0)
 123 #define ST0    (env->fpregs[env->fpstt])
 124 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7])
 125 #define ST1    ST(1)
 126
 127 extern int __op_param1, __op_param2, __op_param3;
 128 #define PARAM1 ((long)(&__op_param1))
 129 #define PARAM2 ((long)(&__op_param2))
 130 #define PARAM3 ((long)(&__op_param3))
 131
 132 #include "cpu-i386.h"
 133
 134 typedef struct CCTable {
 135     int (*compute_all)(void); /* return all the flags */
 136     int (*compute_c)(void);  /* return the C flag */
 137 } CCTable;
 138
 139 extern CCTable cc_table[];
 140
 141 void load_seg(int seg_reg, int selector);