--- np2/i386c/ia32/cpu.c	2004/03/05 14:17:35	1.13
+++ np2/i386c/ia32/cpu.c	2012/01/08 11:36:05	1.28
@@ -1,5 +1,3 @@
-/*	$Id: cpu.c,v 1.13 2004/03/05 14:17:35 monaka Exp $	*/
-
 /*
  * Copyright (c) 2002-2003 NONAKA Kimihiro
  * All rights reserved.
@@ -12,8 +10,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
@@ -28,11 +24,16 @@
  */
 
 #include "compiler.h"
+#include "dosio.h"
 #include "cpu.h"
 #include "ia32.mcr"
 
 #include "inst_table.h"
 
+#if defined(ENABLE_TRAP)
+#include "steptrap.h"
+#endif
+
 
 sigjmp_buf exec_1step_jmpbuf;
 
@@ -53,6 +54,11 @@ int ctx_index = 0;
 int cpu_inst_trace = 0;
 #endif
 
+#if defined(DEBUG)
+int cpu_debug_rep_cont = 0;
+CPU_REGS cpu_debug_rep_regs;
+#endif
+
 
 void
 exec_1step(void)
@@ -63,6 +69,10 @@ exec_1step(void)
 	CPU_PREV_EIP = CPU_EIP;
 	CPU_STATSAVE.cpu_inst = CPU_STATSAVE.cpu_inst_default;
 
+#if defined(ENABLE_TRAP)
+	steptrap(CPU_CS, CPU_EIP);
+#endif
+
 #if defined(IA32_INSTRUCTION_TRACE)
 	ctx[ctx_index].regs = CPU_STATSAVE.cpu_regs;
 	if (cpu_inst_trace) {
@@ -79,7 +89,7 @@ exec_1step(void)
 
 			buf[0] = '\0';
 			for (i = 0; i < len; i++) {
-				snprintf(tmp, sizeof(tmp), "%02x ", d->opcode[i]);
+				snprintf(tmp, sizeof(tmp), "%02x ", d->opbyte[i]);
 				milstr_ncat(buf, tmp, sizeof(buf));
 			}
 			for (; i < 8; i++) {
@@ -89,7 +99,7 @@ exec_1step(void)
 
 			buf[0] = '\0';
 			for (; i < d->nopbytes; i++) {
-				snprintf(tmp, sizeof(tmp), "%02x ", d->opcode[i]);
+				snprintf(tmp, sizeof(tmp), "%02x ", d->opbyte[i]);
 				milstr_ncat(buf, tmp, sizeof(buf));
 				if ((i % 8) == 7) {
 					VERBOSE(("             : %s", buf));
@@ -103,6 +113,7 @@ exec_1step(void)
 	}
 	ctx[ctx_index].opbytes = 0;
 #endif
+
 	for (prefix = 0; prefix < MAX_PREFIX; prefix++) {
 		GET_PCBYTE(op);
 #if defined(IA32_INSTRUCTION_TRACE)
@@ -133,48 +144,117 @@ exec_1step(void)
 
 	/* normal / rep, but not use */
 	if (!(insttable_info[op] & INST_STRING) || !CPU_INST_REPUSE) {
+#if defined(DEBUG)
+		cpu_debug_rep_cont = 0;
+#endif
 		(*insttable_1byte[CPU_INST_OP32][op])();
 		return;
 	}
 
 	/* rep */
 	CPU_WORKCLOCK(5);
+#if defined(DEBUG)
+	if (!cpu_debug_rep_cont) {
+		cpu_debug_rep_cont = 1;
+		cpu_debug_rep_regs = CPU_STATSAVE.cpu_regs;
+	}
+#endif
 	if (!CPU_INST_AS32) {
 		if (CPU_CX != 0) {
 			if (!(insttable_info[op] & REP_CHECKZF)) {
 				/* rep */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_CX);
+					if (--CPU_CX == 0) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			} else if (CPU_INST_REPUSE != 0xf2) {
 				/* repe */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_CX && (CPU_FLAGL & Z_FLAG));
+					if (--CPU_CX == 0 || CC_NZ) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			} else {
 				/* repne */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_CX && !(CPU_FLAGL & Z_FLAG));
+					if (--CPU_CX == 0 || CC_Z) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			}
 		}
 	} else {
 		if (CPU_ECX != 0) {
 			if (!(insttable_info[op] & REP_CHECKZF)) {
 				/* rep */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_ECX);
+					if (--CPU_ECX == 0) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			} else if (CPU_INST_REPUSE != 0xf2) {
 				/* repe */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_ECX && (CPU_FLAGL & Z_FLAG));
+					if (--CPU_ECX == 0 || CC_NZ) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			} else {
 				/* repne */
-				do {
+				for (;;) {
 					(*insttable_1byte[CPU_INST_OP32][op])();
-				} while (--CPU_ECX && !(CPU_FLAGL & Z_FLAG));
+					if (--CPU_ECX == 0 || CC_Z) {
+#if defined(DEBUG)
+						cpu_debug_rep_cont = 0;
+#endif
+						break;
+					}
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			}
 		}
 	}