6 Feb
2010
6 Feb
'10
7:13 p.m.
Author: tkreuzer
Date: Sat Feb 6 20:13:54 2010
New Revision: 45464
URL: http://svn.reactos.org/svn/reactos?rev=45464&view=rev
Log:
[X86EMU]
Beginning of a real mode x86 emulator for BIOS calls.
Added:
branches/ros-amd64-bringup/reactos/lib/x86emu/ (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/op_cmp.h (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/op_jump.h (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/op_mov.h (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/op_stack.h (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/vmstate.h (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.c (with props)
branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.h
- copied, changed from r45254,
branches/ros-amd64-bringup/reactos/hal/halx86/generic/amd64/x86emu.h
branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.rbuild (with props)
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/
------------------------------------------------------------------------------
--- bugtraq:logregex (added)
+++ bugtraq:logregex Sat Feb 6 20:13:54 2010
@@ -1,0 +1,2 @@
+([Ii]ssue|[Bb]ug)s? #?(\d+)(,? ?#?(\d+))*(,? ?(and |or )?#?(\d+))?
+(\d+)
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/
------------------------------------------------------------------------------
bugtraq:message = See issue #%BUGID% for more details.
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/
------------------------------------------------------------------------------
bugtraq:url = http://www.reactos.org/bugzilla/show_bug.cgi?id=%BUGID%
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/
------------------------------------------------------------------------------
tsvn:logminsize = 10
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/op_cmp.h
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/op_cmp.h (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/op_cmp.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,12 @@
+
+VOID
+FORCEINLINE
+Opcode_3D_CMP(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ USHORT Value;
+
+ Value = *(USHORT*)(IntructionPointer + 1);
+ VmState_CMP16(VmState, VmState->Registers.Eax, Value);
+ VmState_AdvanceIp(VmState, 3);
+ DPRINT("CMP AX, 0x%x\n", Value);
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/op_cmp.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/op_jump.h
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/op_jump.h (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/op_jump.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,39 @@
+
+VOID
+FORCEINLINE
+Opcode_E9_JMP16(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ SHORT Offset;
+
+ Offset = *(PSHORT)(IntructionPointer + 1);
+ DPRINT("JMP %04x\n", VmState->Registers.Ip + Offset + 3);
+ VmState_AdvanceIp(VmState, Offset + 3);
+}
+
+VOID
+FORCEINLINE
+Opcode_75_JNZ8(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("JNZ %04x\n", VmState->Registers.Ip + IntructionPointer[1] + 2);
+
+ if (!VmState->Registers.Eflags.Zf)
+ {
+ VmState_AdvanceIp(VmState, IntructionPointer[1] + 2);
+ }
+ else
+ VmState_AdvanceIp(VmState, 2);
+}
+
+VOID
+FORCEINLINE
+Opcode_74_JZ8(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("JZ %04x\n", VmState->Registers.Ip + IntructionPointer[1] + 2);
+
+ if (VmState->Registers.Eflags.Zf)
+ {
+ VmState_AdvanceIp(VmState, IntructionPointer[1] + 2);
+ }
+ else
+ VmState_AdvanceIp(VmState, 2);
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/op_jump.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/op_mov.h
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/op_mov.h (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/op_mov.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,45 @@
+
+VOID
+FORCEINLINE
+Opcode_BB_MOV(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ USHORT Value;
+
+ Value = *(USHORT*)(IntructionPointer + 1);
+ VmState->Registers.Bx = Value;
+ VmState_AdvanceIp(VmState, 3);
+ DPRINT("MOV BX, 0x%x\n", Value);
+}
+
+VOID
+FORCEINLINE
+Opcode_8E_MOV(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ MODRM ModRm;
+ UCHAR Value;
+
+ ModRm.Byte = IntructionPointer[1];
+
+ if (ModRm.mod == 3)
+ {
+ DPRINT("MOV ??, ??\n", IntructionPointer[2]);
+ Value = VmState_GetVal8(VmState, ModRm);
+ // ...
+ VmState_AdvanceIp(VmState, 2);
+ return;
+ }
+ DPRINT1("UNKNOWN\n");
+}
+
+VOID
+FORCEINLINE
+Opcode_89_MOV(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ MODRM ModRm;
+ USHORT Value;
+
+ ModRm.Byte = IntructionPointer[1];
+ Value = VmState_GetRegVal16(VmState, ModRm);
+
+ VmState_AdvanceIp(VmState, 2);
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/op_mov.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/op_stack.h
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/op_stack.h (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/op_stack.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,110 @@
+
+
+VOID
+FORCEINLINE
+Opcode_9C_PUSHF(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("PUSHF\n");
+ VmState_Push(VmState, VmState->Registers.Eflags.Short);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_9D_POPF(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("POPF\n");
+ VmState->Registers.Eflags.Short = VmState_Pop(VmState);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_1E_PUSH_DS(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("PUSH DS\n");
+ VmState_Push(VmState, VmState->Registers.SegDs);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_1F_POP_DS(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("POP DS\n");
+ VmState->Registers.SegDs = VmState_Pop(VmState);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_06_PUSH_ES(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("PUSH ES\n");
+ VmState_Push(VmState, VmState->Registers.SegEs);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_07_POP_ES(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("POP ES\n");
+ VmState->Registers.SegEs = VmState_Pop(VmState);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_60_PUSHA(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ USHORT OrigSp;
+ DPRINT("PUSHA\n");
+
+ OrigSp = VmState->Registers.Sp;
+ VmState_Push(VmState, VmState->Registers.Ax);
+ VmState_Push(VmState, VmState->Registers.Cx);
+ VmState_Push(VmState, VmState->Registers.Dx);
+ VmState_Push(VmState, VmState->Registers.Bx);
+ VmState_Push(VmState, OrigSp);
+ VmState_Push(VmState, VmState->Registers.Bp);
+ VmState_Push(VmState, VmState->Registers.Si);
+ VmState_Push(VmState, VmState->Registers.Di);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_61_POPA(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ USHORT OrigSp;
+ DPRINT("POPA\n");
+
+ VmState->Registers.Di = VmState_Pop(VmState);
+ VmState->Registers.Si = VmState_Pop(VmState);
+ VmState->Registers.Bp = VmState_Pop(VmState);
+ OrigSp = VmState_Pop(VmState);
+ VmState->Registers.Bx = VmState_Pop(VmState);
+ VmState->Registers.Dx = VmState_Pop(VmState);
+ VmState->Registers.Cx = VmState_Pop(VmState);
+ VmState->Registers.Ax = VmState_Pop(VmState);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_55_PUSH_BP(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("PUSH BP\n");
+ VmState_Push(VmState, VmState->Registers.Bp);
+ VmState_AdvanceIp(VmState, 1);
+}
+
+VOID
+FORCEINLINE
+Opcode_xx_POP_BP(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ DPRINT("POP BP\n");
+ VmState->Registers.Bp = VmState_Pop(VmState);
+ VmState_AdvanceIp(VmState, 1);
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/op_stack.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/vmstate.h
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/vmstate.h (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/vmstate.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,108 @@
+
+UCHAR
+FORCEINLINE
+VmState_GetRegVal8(PX86_VM_STATE VmState, MODRM ModRm)
+{
+ PUCHAR Pointer;
+
+ Pointer = (PUCHAR)&VmState->Registers + RegisterTable[0][ModRm.reg];
+ return *Pointer;
+}
+
+UCHAR
+FORCEINLINE
+VmState_GetRegVal16(PX86_VM_STATE VmState, MODRM ModRm)
+{
+ return VmState->IndexedRegisters[ModRm.reg].Word;
+}
+
+
+VOID
+FORCEINLINE
+VmState_EnablePrefix(PX86_VM_STATE VmState, ULONG Prefix)
+{
+ //DPRINT("_EnablePrefix\n");
+}
+
+VOID
+FORCEINLINE
+VmState_ClearPrefixes(PX86_VM_STATE VmState)
+{
+ //DPRINT1("_ClearPrefixes\n");
+}
+
+FORCEINLINE
+VOID
+VmState_AdvanceIp(PX86_VM_STATE VmState, SHORT Advance)
+{
+ VmState->Registers.Ip += Advance;
+}
+
+FORCEINLINE
+VOID
+VmState_SetIp(PX86_VM_STATE VmState, USHORT Value)
+{
+ VmState->Registers.Ip = Value;
+}
+
+FORCEINLINE
+PCHAR
+VmState_GetIp(PX86_VM_STATE VmState)
+{
+ return (PCHAR)VmState->MemBuffer +
+ VmState->Registers.ShiftedCs +
+ VmState->Registers.Eip;
+}
+
+FORCEINLINE
+VOID
+VmState_Push(PX86_VM_STATE VmState, USHORT Value)
+{
+ PUSHORT StackPointer;
+ //DPRINT1("Pushing %x %x %x\n", Value, VmState->Registers.ShiftedSs,
VmState->Registers.Sp);
+ StackPointer = (PVOID)((PCHAR)VmState->MemBuffer +
+ VmState->Registers.ShiftedSs +
+ VmState->Registers.Sp); // FIXME: overflow
+ *StackPointer = Value;
+ VmState->Registers.Sp--;
+}
+
+FORCEINLINE
+USHORT
+VmState_Pop(PX86_VM_STATE VmState)
+{
+ PUSHORT StackPointer;
+ //DPRINT1("Popping %x\n", Value);
+ StackPointer = (PVOID)((PCHAR)VmState->MemBuffer +
+ VmState->Registers.ShiftedSs +
+ VmState->Registers.Sp);
+ VmState->Registers.Sp--;
+ return *StackPointer;
+}
+
+UCHAR
+FORCEINLINE
+VmState_GetVal8(PX86_VM_STATE VmState, MODRM ModRm)
+{
+ return 0;
+}
+
+FORCEINLINE
+VOID
+VmState_CMP8(PX86_VM_STATE VmState, UCHAR Value1, UCHAR Value2)
+{
+ VmState->Registers.Eflags.Zf = ((Value1 - Value2) == 0);
+ VmState->Registers.Eflags.Cf = ((Value1 - Value2) > Value1);
+ VmState->Registers.Eflags.Sf = ((CHAR)(Value1 - Value2) < 0);
+ VmState->Registers.Eflags.Of = ((CHAR)(Value1 - Value2) > (CHAR)Value1);
+}
+
+FORCEINLINE
+VOID
+VmState_CMP16(PX86_VM_STATE VmState, USHORT Value1, USHORT Value2)
+{
+ VmState->Registers.Eflags.Zf = ((Value1 - Value2) == 0);
+ VmState->Registers.Eflags.Cf = ((Value1 - Value2) > Value1);
+ VmState->Registers.Eflags.Sf = ((SHORT)(Value1 - Value2) < 0);
+ VmState->Registers.Eflags.Of = ((SHORT)(Value1 - Value2) > (SHORT)Value1);
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/vmstate.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.c (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.c [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,299 @@
+/*
+ * PROJECT: x86 CPU emulator
+ * LICENSE: GPL, See COPYING in the top level directory
+ * FILE: lib/x86emu/x86emu.c
+ * PURPOSE:
+ * PROGRAMMERS: Timo Kreuzer (timo.kreuzer(a)reactos.org)
+ */
+
+/* INCLUDES ******************************************************************/
+
+#include <x86emu.h>
+//#define NDEBUG
+#include <debug.h>
+
+#undef DPRINT
+#define DPRINT DbgPrint
+
+/* GLOBALS *******************************************************************/
+
+static const ULONG RegisterTable[3][8] =
+{
+ {
+ FIELD_OFFSET(X86_REGISTERS, Al),
+ FIELD_OFFSET(X86_REGISTERS, Cl),
+ FIELD_OFFSET(X86_REGISTERS, Dl),
+ FIELD_OFFSET(X86_REGISTERS, Bl),
+ FIELD_OFFSET(X86_REGISTERS, Ah),
+ FIELD_OFFSET(X86_REGISTERS, Ch),
+ FIELD_OFFSET(X86_REGISTERS, Dh),
+ FIELD_OFFSET(X86_REGISTERS, Bh),
+ },
+ {
+ FIELD_OFFSET(X86_REGISTERS, Ax),
+ FIELD_OFFSET(X86_REGISTERS, Cx),
+ FIELD_OFFSET(X86_REGISTERS, Dx),
+ FIELD_OFFSET(X86_REGISTERS, Bx),
+ FIELD_OFFSET(X86_REGISTERS, Sp),
+ FIELD_OFFSET(X86_REGISTERS, Bp),
+ FIELD_OFFSET(X86_REGISTERS, Si),
+ FIELD_OFFSET(X86_REGISTERS, Di),
+ },
+ {
+ FIELD_OFFSET(X86_REGISTERS, Eax),
+ FIELD_OFFSET(X86_REGISTERS, Ecx),
+ FIELD_OFFSET(X86_REGISTERS, Edx),
+ FIELD_OFFSET(X86_REGISTERS, Ebx),
+ FIELD_OFFSET(X86_REGISTERS, Esp),
+ FIELD_OFFSET(X86_REGISTERS, Ebp),
+ FIELD_OFFSET(X86_REGISTERS, Esi),
+ FIELD_OFFSET(X86_REGISTERS, Edi),
+ }
+};
+
+/* INLINE FUNCTONS ***********************************************************/
+
+#include "vmstate.h"
+#include "op_cmp.h"
+#include "op_stack.h"
+#include "op_jump.h"
+#include "op_mov.h"
+
+VOID
+FORCEINLINE
+Opcode_E8_CALL16(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ SHORT Offset;
+
+ Offset = *(PSHORT)(IntructionPointer + 1) + 3;
+ DPRINT("CALL %x\n", VmState->Registers.Ip + Offset);
+ VmState_Push(VmState, VmState->Registers.Ip + 3);
+ VmState_AdvanceIp(VmState, Offset);
+}
+
+VOID
+FORCEINLINE
+Opcode_80(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ MODRM ModRm;
+ UCHAR Value;
+
+ ModRm.Byte = IntructionPointer[1];
+
+ if (ModRm.reg == 7)
+ {
+ /* We have an 8 bit CMP */
+ DPRINT("CMP ??. 0x%x\n", IntructionPointer[2]);
+ Value = VmState_GetVal8(VmState, ModRm);
+ VmState_CMP8(VmState, Value, IntructionPointer[2]);
+ VmState_AdvanceIp(VmState, 3);
+ return;
+ }
+ DPRINT1("UNKNOWN\n");
+}
+
+VOID
+FORCEINLINE
+Opcode_F3_REP(PX86_VM_STATE VmState, PCHAR IntructionPointer)
+{
+ UCHAR ByteVal;
+
+ ByteVal = IntructionPointer[1];
+ switch (ByteVal)
+ {
+ case 0x6C: /* REP INSB */
+ case 0x6D: /* REP INSW/D */
+ case 0xAC: /* REP LODSB */
+ case 0xAD: /* REP LODSWDQ */
+ case 0xA4: /* REP MOVSB */
+ case 0xA5: /* REP MOVSW/D/Q */
+ case 0x6E: /* REP OUTSB */
+ case 0x6F: /* REP OUTSW/D */
+ case 0xAA: /* REP STOSB */
+ case 0xAB: /* REP STOSW/D/Q */
+ break;
+ }
+
+}
+
+
+
+
+
+VOID
+NTAPI
+x86Emulator(PX86_VM_STATE VmState)
+{
+ PCHAR InstructionPointer;
+ UCHAR ByteVal;
+
+// x86EmuInitializeState();
+
+ for (;;)
+ {
+ InstructionPointer = VmState_GetIp(VmState);
+ ByteVal = *InstructionPointer;
+
+ DPRINT("%04x:%04x %02x ", VmState->Registers.SegCs,
VmState->Registers.Eip, ByteVal);
+
+ switch (ByteVal)
+ {
+ case 0x06: /* PUSH ES */
+ Opcode_06_PUSH_ES(VmState, InstructionPointer);
+ break;
+
+ case 0x07: /* POP ES */
+ Opcode_07_POP_ES(VmState, InstructionPointer);
+ break;
+
+// case 0x14: /* ADC AL, imm8 */
+// VmState_AdvanceIp(VmState, 2);
+// break;
+
+ case 0x15: /* ADC AX, imm16 */
+ //_OpcodeADC16(&VmState->Registers.Al,
WORD(&InstructionPointer[1]));
+ VmState_AdvanceIp(VmState, 3);
+ break;
+
+ case 0x1E: /* PUSH DS */
+ Opcode_1E_PUSH_DS(VmState, InstructionPointer);
+ break;
+
+ case 0x1F: /* POP DS */
+ Opcode_1F_POP_DS(VmState, InstructionPointer);
+ break;
+
+ case 0x26: /* Force ES segment */
+ case 0x2e: /* Force CS segment */
+ VmState_EnablePrefix(VmState, PREFIX_SEGMENT_CS);
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0x36: /* Force SS segment */
+ VmState->Registers.ShiftedMs = VmState->Registers.ShiftedSs;
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0x37: /* AAA */
+
+ case 0x3D: /* CMP (E)AX, imm16/32 */
+ Opcode_3D_CMP(VmState, InstructionPointer);
+ break;
+
+ case 0x3E: /* Force DS segment */
+ VmState->Registers.ShiftedMs = VmState->Registers.ShiftedDs;
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0x3F: /* AAS */
+ VmState_AdvanceIp(VmState, 1);
+ break;
+
+ /* 0x40 ... 0x4F are REX prefixes */
+
+ case 0x55: /* PUSH BP */
+ Opcode_55_PUSH_BP(VmState, InstructionPointer);
+ break;
+
+ case 0x60: /* PUSHA */
+ Opcode_60_PUSHA(VmState, InstructionPointer);
+ break;
+
+ case 0x61: /* POPA */
+ Opcode_61_POPA(VmState, InstructionPointer);
+ break;
+
+ case 0x64: /* Force FS segment */
+ case 0x65: /* Force GS segment */
+
+ case 0x66: /* Operand size override */
+ VmState_EnablePrefix(VmState, PREFIX_SIZE_OVERRIDE);
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0x67: /* Address size prefix */
+ VmState_EnablePrefix(VmState, PREFIX_ADDRESS_OVERRIDE);
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0x74: /* JZ */
+ Opcode_74_JZ8(VmState, InstructionPointer);
+ break;
+
+ case 0x75: /* JNZ */
+ Opcode_75_JNZ8(VmState, InstructionPointer);
+ break;
+
+ case 0x80: /* ... */
+ Opcode_80(VmState, InstructionPointer);
+ break;
+
+ case 0x89: /* MOV regmem16, reg16 */
+ Opcode_89_MOV(VmState, InstructionPointer);
+ break;
+
+ case 0x8E: /* MOV seg, reg16 */
+ Opcode_8E_MOV(VmState, InstructionPointer);
+ break;
+
+ case 0x9C: /* PUSHF */
+ Opcode_9C_PUSHF(VmState, InstructionPointer);
+ break;
+
+ case 0x9D: /* POPF */
+ Opcode_9D_POPF(VmState, InstructionPointer);
+ break;
+
+ case 0xBB: /* MOV BX, imm16 */
+ Opcode_BB_MOV(VmState, InstructionPointer);
+ break;
+
+ case 0xCF: /* IRET */
+ DPRINT("IRET\n");
+ return;
+
+ case 0xD4: /* AAM */
+ /* Check for D4 0A */
+
+ case 0xD5: /* AAD */
+ /* Check for D5 0A */
+
+ case 0xE8:
+ Opcode_E8_CALL16(VmState, InstructionPointer);
+ break;
+
+ case 0xE9: /* JMP off16 */
+ Opcode_E9_JMP16(VmState, InstructionPointer);
+ break;
+
+ case 0xF0: /* LOCK (ignored) */
+ DPRINT("LOCK ");
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0xF2: /* REPNZ/REPNE */
+ DPRINT("REPNE ");
+ VmState_EnablePrefix(VmState, PREFIX_REP);
+ VmState_AdvanceIp(VmState, 1);
+ continue;
+
+ case 0xF3: /* REP */
+ Opcode_F3_REP(VmState, InstructionPointer);
+ break;
+
+
+ default:
+ DPRINT("Unknown opcode 0x%x\n", ByteVal);
+ VmState_AdvanceIp(VmState, 1);
+ //x86EmuRaiseException(EXCEPTION_INVALID_OPCODE, ByteVal);
+ //return;
+ }
+
+ /* Clear prefixes and continue with next intruction */
+ VmState_ClearPrefixes(VmState);
+
+//ResetMs:
+ VmState->Registers.ShiftedMs = VmState->Registers.ShiftedDs;
+
+ }
+}
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.c
------------------------------------------------------------------------------
svn:eol-style = native
Copied: branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.h (from r45254,
branches/ros-amd64-bringup/reactos/hal/halx86/generic/amd64/x86emu.h)
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/hal/halx86/generic/amd64/x86emu.h [iso-8859-1]
(original)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.h [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,3 +1,10 @@
+
+
+#ifndef _X86EMU_H_
+#define _X86EMU_H_
+
+#include <ntifs.h>
+#include <ntndk.h>
typedef union
{
@@ -219,3 +226,5 @@
VOID
NTAPI
x86Emulator(PX86_VM_STATE VmState);
+
+#endif
Added: branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/lib/x…
==============================================================================
--- branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.rbuild (added)
+++ branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.rbuild [iso-8859-1] Sat Feb 6
20:13:54 2010
@@ -1,0 +1,7 @@
+<?xml version="1.0"?>
+<!DOCTYPE module SYSTEM "../../tools/rbuild/project.dtd">
+<module name="x86emu" type="staticlibrary">
+ <define name="_X86BIOS_" />
+ <include base="x86emu">.</include>
+ <file>x86emu.c</file>
+</module>
Propchange: branches/ros-amd64-bringup/reactos/lib/x86emu/x86emu.rbuild
------------------------------------------------------------------------------
svn:eol-style = native
5395
days inactive
5395
days old
0 comments
1 participants
participants (1)
-
tkreuzer＠svn.reactos.org