diff options
Diffstat (limited to 'src/include/x86emu/regs.h')
| -rw-r--r-- | src/include/x86emu/regs.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/include/x86emu/regs.h b/src/include/x86emu/regs.h index 718d22fc86..8f89b22c53 100644 --- a/src/include/x86emu/regs.h +++ b/src/include/x86emu/regs.h @@ -40,6 +40,10 @@ #ifndef __X86EMU_REGS_H #define __X86EMU_REGS_H +#if defined(DEBUG) && (DEBUG == 0) +#undef DEBUG +#endif + /*---------------------- Macros and type definitions ----------------------*/ #pragma pack(1) @@ -231,6 +235,9 @@ struct i386_segment_regs { #define SYSMODE_PREFIX_REPNE 0x00000100 #define SYSMODE_PREFIX_DATA 0x00000200 #define SYSMODE_PREFIX_ADDR 0x00000400 +// for REP(E|NE) Instructions, we need to decide wether it should be using +// the 32bit ECX register as or the 16bit CX register as count register +#define SYSMODE_32BIT_REP 0x00000800 #define SYSMODE_INTR_PENDING 0x10000000 #define SYSMODE_EXTRN_INTR 0x20000000 #define SYSMODE_HALTED 0x40000000 @@ -250,7 +257,8 @@ struct i386_segment_regs { SYSMODE_SEGOVR_GS | \ SYSMODE_SEGOVR_SS | \ SYSMODE_PREFIX_DATA | \ - SYSMODE_PREFIX_ADDR) + SYSMODE_PREFIX_ADDR | \ + SYSMODE_32BIT_REP) #define INTR_SYNCH 0x1 #define INTR_ASYNCH 0x2 @@ -274,9 +282,9 @@ typedef struct { */ u32 mode; volatile int intr; /* mask of pending interrupts */ - int debug; + volatile int debug; #ifdef DEBUG - int check; + int check; u16 saved_ip; u16 saved_cs; int enc_pos; |