-/* virtual x86 CPU stuff */
-
-extern int invoke_code16(Interp_ENV *, int, int);
-extern int invoke_code32(Interp_ENV *, int);
-extern char *e_print_cpuemu_regs(ENVPARAMS, int is32);
-extern char *e_emu_disasm(ENVPARAMS, unsigned char *org, int is32);
-extern void init_npu(void);
-
-Interp_ENV env_global;
-Interp_ENV *envp_global;
-
-QWORD EMUtime = 0;
-
-int CEmuStat = 0;
-
-long instr_count;
-
-/* who will initialize this? */
-unsigned long io_bitmap[IO_BITMAP_SIZE+1];
-
-/* debug flag, 0=disable 1..9=level */
-int d_emu = 0;
-
-unsigned long CRs[5] =
-{
- 0x00000013, /* valid bits: 0xe005003f */
- 0x00000000, /* invalid */
- 0x00000000,
- 0x00000000,
- 0x00000000
-};
-
-/*
- * DR0-3 = linear address of breakpoint 0-3
- * DR4=5 = reserved
- * DR6 b0-b3 = BP active
- * b13 = BD
- * b14 = BS
- * b15 = BT
- * DR7 b0-b1 = G:L bp#0
- * b2-b3 = G:L bp#1
- * b4-b5 = G:L bp#2
- * b6-b7 = G:L bp#3
- * b8-b9 = GE:LE
- * b13 = GD
- * b16-19= LLRW bp#0 LL=00(1),01(2),11(4)
- * b20-23= LLRW bp#1 RW=00(x),01(w),11(rw)
- * b24-27= LLRW bp#2
- * b28-31= LLRW bp#3
- */
-unsigned long DRs[8] =
-{
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0xffff1ff0,
- 0x00000400,
- 0xffff1ff0,
- 0x00000400
-};
-
-unsigned long TRs[2] =
-{
- 0x00000000,
- 0x00000000
-};
-
-void FatalAppExit(UINT wAction, LPCSTR lpText)
-{
- fprintf(stderr, "Fatal error '%s' in CPU\n", lpText);
- exit(1);
-}
-
-int e_debug_check(unsigned char *PC)
-{
- register unsigned long d7 = DRs[7];
-
- if (d7&0x03) {
- if (d7&0x30000) return 0; /* only execute(00) bkp */
- if ((long)PC==DRs[0]) {
- e_printf("DBRK: DR0 hit at %p\n",PC);
- DRs[6] |= 1;
- return 1;
- }
- }
- if (d7&0x0c) {
- if (d7&0x300000) return 0;
- if ((long)PC==DRs[1]) {
- e_printf("DBRK: DR1 hit at %p\n",PC);
- DRs[6] |= 2;
- return 1;
- }
- }
- if (d7&0x30) {
- if (d7&0x3000000) return 0;
- if ((long)PC==DRs[2]) {
- e_printf("DBRK: DR2 hit at %p\n",PC);
- DRs[6] |= 4;
- return 1;
- }
- }
- if (d7&0xc0) {
- if (d7&0x30000000) return 0;
- if ((long)PC==DRs[3]) {
- e_printf("DBRK: DR3 hit at %p\n",PC);
- DRs[6] |= 8;
- return 1;
- }
- }
- return 0;
-}
-
-/* Debug stuff */
-void logstr(unsigned long mask, const char *fmt,...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-}
-
-/* unconditional message into debug log and stderr */
-#undef error
-void error(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
- exit(1);
-}
-
-int PortIO(DWORD port, DWORD value, UINT size, BOOL is_write)
-{
- fprintf(stderr, "IO: %s port=0x%lx value=0x%lx size=%d",
- is_write ? "write" : "read", port, value, size);
- return value;
-}
-
-void LogProcName(WORD wSel, WORD wOff, WORD wAction)
-{
-
-}
-
-void INT_handler(int num, void *env)
-{
- fprintf(stderr, "EM86: int %d\n", num);
-}
-