--- np2/i386c/ia32/cpu.c	2004/03/30 08:48:46	1.18
+++ np2/i386c/ia32/cpu.c	2008/03/22 04:03:07	1.25
@@ -1,4 +1,4 @@
-/*	$Id: cpu.c,v 1.18 2004/03/30 08:48:46 yui Exp $	*/
+/*	$Id: cpu.c,v 1.25 2008/03/22 04:03:07 monaka Exp $	*/
 
 /*
  * Copyright (c) 2002-2003 NONAKA Kimihiro
@@ -12,8 +12,6 @@
  * 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
@@ -34,6 +32,10 @@
 
 #include "inst_table.h"
 
+#if defined(ENABLE_TRAP)
+#include "steptrap.h"
+#endif
+
 
 sigjmp_buf exec_1step_jmpbuf;
 
@@ -55,41 +57,6 @@ int cpu_inst_trace = 0;
 #endif
 
 
-// #define	IPTRACE			(1 << 14)
-
-#if defined(TRACE) && IPTRACE
-static	UINT	trpos = 0;
-static	UINT32	trcs[IPTRACE];
-static	UINT32	treip[IPTRACE];
-
-void iptrace_out(void) {
-
-	FILEH	fh;
-	UINT	s;
-	UINT32	cs;
-	UINT32	eip;
-	char	buf[32];
-
-	s = trpos;
-	if (s > IPTRACE) {
-		s -= IPTRACE;
-	}
-	else {
-		s = 0;
-	}
-	fh = file_create_c("his.txt");
-	while(s < trpos) {
-		cs = trcs[s & (IPTRACE - 1)];
-		eip = treip[s & (IPTRACE - 1)];
-		s++;
-		SPRINTF(buf, "%.4x:%.8x\r\n", cs, eip);
-		file_write(fh, buf, strlen(buf));
-	}
-	file_close(fh);
-}
-#endif
-
-
 void
 exec_1step(void)
 {
@@ -99,10 +66,8 @@ exec_1step(void)
 	CPU_PREV_EIP = CPU_EIP;
 	CPU_STATSAVE.cpu_inst = CPU_STATSAVE.cpu_inst_default;
 
-#if defined(TRACE) && IPTRACE
-	trcs[trpos & (IPTRACE - 1)] = CPU_CS;
-	treip[trpos & (IPTRACE - 1)] = CPU_EIP;
-	trpos++;
+#if defined(ENABLE_TRAP)
+	steptrap(CPU_CS, CPU_EIP);
 #endif
 
 #if defined(IA32_INSTRUCTION_TRACE)
@@ -205,38 +170,74 @@ exec_1step(void)
 		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)
+						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)
+						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)
+						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)
+						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)
+						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)
+						break;
+					if (CPU_REMCLOCK <= 0) {
+						CPU_EIP = CPU_PREV_EIP;
+						break;
+					}
+				}
 			}
 		}
 	}
@@ -255,7 +256,7 @@ check_break_point:
 		if (CPU_TRAP) {
 			CPU_DR6 |= CPU_DR6_BS;
 		}
-		INTERRUPT(DB_EXCEPTION, TRUE, FALSE, 0);
+		INTERRUPT(DB_EXCEPTION, INTR_TYPE_EXCEPTION);
 	}
 	if (CPU_EFLAG & RF_FLAG) {
 		if (CPU_STAT_BP_EVENT & CPU_STAT_BP_EVENT_RF) {