80486DX2-66/86Box-fork
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Fixed some compile-breaking bugs in the i686 instruction code; Enabled logging of bad/unimplemented IDE commands.

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OBattler
2016-08-09 03:02:27 +02:00
parent a098bc2338
commit 8a588dcc82
2 changed files with 8 additions and 6 deletions
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2
src/ide.c
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@@ -1191,6 +1191,7 @@ void writeide(int ide_board, uint16_t addr, uint8_t val)
case WIN_IDENTIFY: /* Identify Device */
case 0xEF:
if(val == 0xEF) pclog("IDE command EF issued\n");
// output=3;
// timetolive=500;
ide->atastat = BUSY_STAT;
@@ -1214,6 +1215,7 @@ void writeide(int ide_board, uint16_t addr, uint8_t val)
ide->error = ABRT_ERR;
ide_irq_raise(ide);
/* fatal("Bad IDE command %02X\n", val);*/
pclog("Bad IDE command %02X\n", val);
return;
}

12
src/x86_ops_i686.h
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@@ -33,7 +33,7 @@ static int opSYSENTER(uint32_t fetchdat)
pclog("SYSENTER called\n");
if (!(cr0 & 1)) return internal_illegal("SYSENTER: CPU not in protected mode");
if (!(cs_msr & 0xFFFC)) return internal_illegal("SYSENTER: CS MSR not zero");
if (!(cs_msr & 0xFFFC)) return internal_illegal("SYSENTER: CS MSR is zero");
pclog("SYSENTER started:\n");
pclog("CS (%04X): base=%08X, limit=%08X, access=%02X, seg=%04X, limit_low=%08X, limit_high=%08X, checked=%i\n", CS, _cs.base, _cs.limit, _cs.access, _cs.seg, _cs.limit_low, _cs.limit_high, _cs.checked);
@@ -85,7 +85,7 @@ static int opSYSEXIT(uint32_t fetchdat)
pclog("SYSEXIT called\n");
if (!(cs_msr & 0xFFFC)) return internal_illegal("SYSEXIT: CS MSR not zero");
if (!(cs_msr & 0xFFFC)) return internal_illegal("SYSEXIT: CS MSR is zero");
if (!(cr0 & 1)) return internal_illegal("SYSEXIT: CPU not in protected mode");
if (CS & 3) return internal_illegal("SYSEXIT: CPL not 0");
@@ -496,8 +496,8 @@ static int opSYSCALL(uint32_t fetchdat)
uint16_t syscall_cs_seg_data[4] = {0, 0, 0, 0};
uint16_t syscall_ss_seg_data[4] = {0, 0, 0, 0};
if (!(cr0 & 1)) return internal_illegal();
if (!AMD_SYSCALL_SB) return internal_illegal();
if (!(cr0 & 1)) return internal_illegal("SYSCALL: CPU not in protected mode");
if (!AMD_SYSCALL_SB) return internal_illegal("SYSCALL: AMD SYSCALL SB MSR is zero");
/* Set VM, IF, RF to 0. */
/* eflags &= ~0x00030200;
@@ -587,8 +587,8 @@ static int opSYSRET(uint32_t fetchdat)
uint16_t sysret_cs_seg_data[4] = {0, 0, 0, 0};
uint16_t sysret_ss_seg_data[4] = {0, 0, 0, 0};
if (!cs_msr) return internal_illegal();
if (!(cr0 & 1)) return internal_illegal();
if (!cs_msr) return internal_illegal("SYSRET: CS MSR is zero");
if (!(cr0 & 1)) return internal_illegal("SYSRET: CPU not in protected mode");
cpu_state.pc = ECX;