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dfd4fed945
Fix some bugs of softx86, see CORE-7250 for more information. All diffs from the original softx86 code should also be put in softx86_ros.diff. svn path=/branches/ntvdm/; revision=59248
64 lines
1.9 KiB
Diff
64 lines
1.9 KiB
Diff
Index: softx86/optable.c
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===================================================================
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--- softx86/optable.c (révision 59247)
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+++ softx86/optable.c (copie de travail)
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@@ -217,9 +217,9 @@
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x66 */
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x67 */
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- {Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x68 */
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+ {Sfx86OpcodeExec_push, Sfx86OpcodeDec_push}, /* 0x68 */
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x69 */
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- {Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x6A */
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+ {Sfx86OpcodeExec_push, Sfx86OpcodeDec_push}, /* 0x6A */
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x6B */
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x6C */
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{Sfx86OpcodeExec_default, Sfx86OpcodeDec_default}, /* 0x6D */
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Index: softx86/pushpop.c
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===================================================================
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--- softx86/pushpop.c (révision 59247)
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+++ softx86/pushpop.c (copie de travail)
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@@ -167,6 +167,21 @@
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return 1;
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}
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+ if (opcode == 0x6A) // PUSH imm8
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+ {
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+ sx86_ubyte b = softx86_fetch_exec_byte(ctx);
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+ softx86_stack_pushw(ctx, (sx86_uword)b);
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+ return 1;
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+ }
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+
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+ if (opcode == 0x68) // PUSH imm16
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+ {
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+ sx86_uword w = softx86_fetch_exec_byte(ctx);
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+ w |= softx86_fetch_exec_byte(ctx) << 8;
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+ softx86_stack_pushw(ctx, w);
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+ return 1;
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+ }
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+
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return 0;
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}
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@@ -202,6 +217,21 @@
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return 1;
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}
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+ if (opcode == 0x6A && ctx->__private->level >= SX86_CPULEVEL_80186) // PUSH imm8
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+ {
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+ sx86_ubyte b = softx86_fetch_exec_byte(ctx);
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+ sprintf(buf, "PUSH %02Xh", b);
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+ return 1;
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+ }
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+
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+ if (opcode == 0x68 && ctx->__private->level >= SX86_CPULEVEL_80186) // PUSH imm16
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+ {
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+ sx86_uword w = softx86_fetch_exec_byte(ctx);
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+ w |= softx86_fetch_exec_byte(ctx) << 8;
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+ sprintf(buf, "PUSH %04Xh", w);
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+ return 1;
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+ }
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+
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return 0;
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}
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