[hbelusca] 64429: [NTVDM] Code reorganization: Move CPU code to specific files for modularity (prepares ground for some future work). We reintroduce also int32.c in which all the int32 handling cod...
30 Sep
2014
30 Sep
'14
11:47 p.m.
Author: hbelusca
Date: Tue Sep 30 23:47:23 2014
New Revision: 64429
URL: http://svn.reactos.org/svn/reactos?rev=64429&view=rev
Log:
[NTVDM]
Code reorganization: Move CPU code to specific files for modularity (prepares ground for
some future work).
We reintroduce also int32.c in which all the int32 handling code is moved to.
Part 1/2
Added:
trunk/reactos/subsystems/ntvdm/cpu/ (with props)
trunk/reactos/subsystems/ntvdm/cpu/bop.c
- copied unchanged from r64385, trunk/reactos/subsystems/ntvdm/bop.c
trunk/reactos/subsystems/ntvdm/cpu/bop.h
- copied unchanged from r64385, trunk/reactos/subsystems/ntvdm/bop.h
trunk/reactos/subsystems/ntvdm/cpu/callback.c
- copied, changed from r64385, trunk/reactos/subsystems/ntvdm/callback.c
trunk/reactos/subsystems/ntvdm/cpu/callback.h
- copied, changed from r64385, trunk/reactos/subsystems/ntvdm/callback.h
trunk/reactos/subsystems/ntvdm/cpu/cpu.c
- copied, changed from r64385, trunk/reactos/subsystems/ntvdm/emulator.c
trunk/reactos/subsystems/ntvdm/cpu/cpu.h
- copied, changed from r64385, trunk/reactos/subsystems/ntvdm/emulator.h
Removed:
trunk/reactos/subsystems/ntvdm/bop.c
trunk/reactos/subsystems/ntvdm/bop.h
trunk/reactos/subsystems/ntvdm/callback.c
trunk/reactos/subsystems/ntvdm/callback.h
Modified:
trunk/reactos/subsystems/ntvdm/CMakeLists.txt
trunk/reactos/subsystems/ntvdm/bios/bios.c
trunk/reactos/subsystems/ntvdm/bios/bios32/bios32.c
trunk/reactos/subsystems/ntvdm/bios/bios32/bios32p.h
trunk/reactos/subsystems/ntvdm/bios/bios32/kbdbios32.c
trunk/reactos/subsystems/ntvdm/bios/bios32/moubios32.c
trunk/reactos/subsystems/ntvdm/bios/bios32/vidbios32.c
trunk/reactos/subsystems/ntvdm/bios/kbdbios.c
trunk/reactos/subsystems/ntvdm/bios/rom.c
trunk/reactos/subsystems/ntvdm/bios/vidbios.c
trunk/reactos/subsystems/ntvdm/clock.c
trunk/reactos/subsystems/ntvdm/dos/dem.c
trunk/reactos/subsystems/ntvdm/dos/dos32krnl/bios.c
trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h
trunk/reactos/subsystems/ntvdm/dos/mouse32.c
trunk/reactos/subsystems/ntvdm/emulator.c
trunk/reactos/subsystems/ntvdm/emulator.h
trunk/reactos/subsystems/ntvdm/int32.c
trunk/reactos/subsystems/ntvdm/int32.h
trunk/reactos/subsystems/ntvdm/registers.c
trunk/reactos/subsystems/ntvdm/vddsup.c
Modified: trunk/reactos/subsystems/ntvdm/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/CMakeList…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/CMakeLists.txt [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -14,6 +14,9 @@
bios/kbdbios.c
bios/rom.c
bios/vidbios.c
+ cpu/bop.c
+ cpu/callback.c
+ cpu/cpu.c
hardware/cmos.c
hardware/keyboard.c
hardware/mouse.c
@@ -27,10 +30,9 @@
dos/dos32krnl/dosfiles.c
dos/mouse32.c
dos/dem.c
- bop.c
- callback.c
clock.c
emulator.c
+ int32.c
io.c
registers.c
utils.c
Modified: trunk/reactos/subsystems/ntvdm/bios/bios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,8 +11,8 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
-#include "bop.h"
+#include "cpu/callback.h"
+#include "cpu/bop.h"
#include "bios.h"
#include "bios32/bios32.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/bios32/bios32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios32/bios32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios32/bios32.c [iso-8859-1] Tue Sep 30 23:47:23
2014
@@ -14,8 +14,9 @@
#include <reactos/buildno.h>
#include "emulator.h"
-#include "callback.h"
-#include "bop.h"
+#include "cpu/cpu.h" // for EMULATOR_FLAG_CF
+#include "int32.h"
+// #include "bop.h"
#include "../bios.h"
#include "../rom.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/bios32/bios32p.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios32/bios32p.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios32/bios32p.h [iso-8859-1] Tue Sep 30 23:47:23
2014
@@ -14,7 +14,7 @@
#include "ntvdm.h"
#include "../bios.h"
-/**/ #include "callback.h" /**/
+/**/ #include "int32.h" /**/
/* DEFINES ********************************************************************/
Modified: trunk/reactos/subsystems/ntvdm/bios/bios32/kbdbios32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios32/kbdbios32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios32/kbdbios32.c [iso-8859-1] Tue Sep 30
23:47:23 2014
@@ -11,7 +11,8 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+#include "cpu/cpu.h" // for EMULATOR_FLAG_ZF
+#include "int32.h"
#include "kbdbios32.h"
#include "../kbdbios.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/bios32/moubios32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios32/moubios32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios32/moubios32.c [iso-8859-1] Tue Sep 30
23:47:23 2014
@@ -11,7 +11,6 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
#include "moubios32.h"
#include "bios32p.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/bios32/vidbios32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/bios…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/bios32/vidbios32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/bios32/vidbios32.c [iso-8859-1] Tue Sep 30
23:47:23 2014
@@ -13,7 +13,7 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+#include "int32.h"
#include "vidbios32.h"
#include "../vidbios.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/kbdbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/kbdb…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/kbdbios.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/kbdbios.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,8 +11,7 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
-#include "bop.h"
+#include "cpu/bop.h"
#include "bios.h"
// #include "kbdbios.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/rom.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/rom.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/rom.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/rom.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,7 +11,7 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+#include "cpu/callback.h"
#include "utils.h"
#include "rom.h"
Modified: trunk/reactos/subsystems/ntvdm/bios/vidbios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bios/vidb…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bios/vidbios.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bios/vidbios.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -12,8 +12,8 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
-#include "bop.h"
+#include "cpu/cpu.h"
+#include "cpu/bop.h"
#include "bios.h"
// #include "vidbios.h"
Removed: trunk/reactos/subsystems/ntvdm/bop.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bop.c?rev…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bop.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bop.c (removed)
@@ -1,50 +0,0 @@
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: bop.c
- * PURPOSE: BIOS Operation Handlers
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- * Hermes Belusca-Maito (hermes.belusca(a)sfr.fr)
- */
-
-/* INCLUDES *******************************************************************/
-
-// #define NDEBUG
-
-#include "emulator.h"
-#include "bop.h"
-
-/* PRIVATE VARIABLES **********************************************************/
-
-/*
- * This is the list of registered BOP handlers.
- */
-static EMULATOR_BOP_PROC BopProc[EMULATOR_MAX_BOP_NUM] = { NULL };
-
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-VOID RegisterBop(BYTE BopCode, EMULATOR_BOP_PROC BopHandler)
-{
- BopProc[BopCode] = BopHandler;
-}
-
-VOID WINAPI EmulatorBiosOperation(PFAST486_STATE State, UCHAR BopCode)
-{
- WORD StackSegment, StackPointer;
- LPWORD Stack;
-
- /* Get the SS:SP */
- StackSegment = State->SegmentRegs[FAST486_REG_SS].Selector;
- StackPointer = State->GeneralRegs[FAST486_REG_ESP].LowWord;
-
- /* Get the stack */
- Stack = (LPWORD)SEG_OFF_TO_PTR(StackSegment, StackPointer);
-
- /* Call the BOP handler */
- if (BopProc[BopCode] != NULL)
- BopProc[BopCode](Stack);
- else
- DPRINT("Invalid BOP code: 0x%02X\n", BopCode);
-}
-
-/* EOF */
Removed: trunk/reactos/subsystems/ntvdm/bop.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/bop.h?rev…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/bop.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/bop.h (removed)
@@ -1,28 +0,0 @@
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: bop.h
- * PURPOSE: BIOS Operation Handlers
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- * Hermes Belusca-Maito (hermes.belusca(a)sfr.fr)
- */
-
-#ifndef _BOP_H_
-#define _BOP_H_
-
-/* DEFINES ********************************************************************/
-
-/* BOP Identifiers */
-#define EMULATOR_BOP 0xC4C4
-#define EMULATOR_MAX_BOP_NUM 0xFF + 1
-
-/* FUNCTIONS ******************************************************************/
-
-typedef VOID (WINAPI *EMULATOR_BOP_PROC)(LPWORD Stack);
-
-VOID RegisterBop(BYTE BopCode, EMULATOR_BOP_PROC BopHandler);
-VOID WINAPI EmulatorBiosOperation(PFAST486_STATE State, UCHAR BopCode);
-
-#endif // _BOP_H_
-
-/* EOF */
Removed: trunk/reactos/subsystems/ntvdm/callback.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/callback.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/callback.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/callback.c (removed)
@@ -1,310 +0,0 @@
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: callback.c
- * PURPOSE: 16 and 32-bit Callbacks Support
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- * Hermes Belusca-Maito (hermes.belusca(a)sfr.fr)
- */
-
-/******************************************************************************\
-| WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!
-|
-| Callbacks support supposes implicitely that the callbacks are used
-| in the SAME thread as the CPU thread, otherwise messing in parallel
-| with the CPU registers is 100% prone to bugs!!
-\******************************************************************************/
-
-/* INCLUDES *******************************************************************/
-
-#define NDEBUG
-
-#include "emulator.h"
-#include "callback.h"
-
-#include "bop.h"
-#include <isvbop.h>
-
-/* PRIVATE VARIABLES **********************************************************/
-
-/*
- * This is the list of registered 32-bit Interrupt handlers.
- */
-static EMULATOR_INT32_PROC Int32Proc[EMULATOR_MAX_INT32_NUM] = { NULL };
-
-/* BOP Identifiers */
-#define BOP_CONTROL 0xFF // Control BOP Handler
- #define BOP_CONTROL_DEFFUNC 0x00 // Default Control BOP Function
- #define BOP_CONTROL_INT32 0xFF // 32-bit Interrupt dispatcher
- // function code for the Control BOP Handler
-
-#define BOP(num) LOBYTE(EMULATOR_BOP), HIBYTE(EMULATOR_BOP), (num)
-#define UnSimulate16(trap) \
-do { \
- *(PUSHORT)(trap) = EMULATOR_BOP; \
- (trap) += sizeof(USHORT); \
- *(trap) = BOP_UNSIMULATE; \
-} while(0)
-// #define UnSimulate16 MAKELONG(EMULATOR_BOP, BOP_UNSIMULATE) //
BOP(BOP_UNSIMULATE)
-
-#define CALL16_TRAMPOLINE_SIZE (1 * sizeof(ULONGLONG))
-#define INT16_TRAMPOLINE_SIZE (1 * sizeof(ULONGLONG))
-
-//
-// WARNING WARNING!!
-//
-// If you modify the code stubs here, think also
-// about updating them in int32.c too!!
-//
-
-/* 16-bit generic interrupt code for calling a 32-bit interrupt handler */
-static BYTE Int16To32[] =
-{
- 0xFA, // cli
-
- /* Push the value of the interrupt to be called */
- 0x6A, 0xFF, // push i (patchable to 0x6A, 0xIntNum)
-
- /* The BOP Sequence */
-// BOP_SEQ:
- 0xF8, // clc
- BOP(BOP_CONTROL), // Control BOP
- BOP_CONTROL_INT32, // 32-bit Interrupt dispatcher
-
- 0x73, 0x04, // jnc EXIT (offset +4)
-
- 0xFB, // sti
-
- // HACK: The following instruction should be HLT!
- 0x90, // nop
-
- 0xEB, 0xF5, // jmp BOP_SEQ (offset -11)
-
-// EXIT:
- 0x44, 0x44, // inc sp, inc sp
- 0xCF, // iret
-};
-const ULONG Int16To32StubSize = sizeof(Int16To32);
-
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-VOID
-InitializeContext(IN PCALLBACK16 Context,
- IN USHORT Segment,
- IN USHORT Offset)
-{
- Context->TrampolineFarPtr = MAKELONG(Offset, Segment);
- Context->TrampolineSize = max(CALL16_TRAMPOLINE_SIZE,
- INT16_TRAMPOLINE_SIZE);
- Context->Segment = Segment;
- Context->NextOffset = Offset + Context->TrampolineSize;
-}
-
-VOID
-Call16(IN USHORT Segment,
- IN USHORT Offset)
-{
- /* Save CS:IP */
- USHORT OrgCS = getCS();
- USHORT OrgIP = getIP();
-
- /* Set the new CS:IP */
- setCS(Segment);
- setIP(Offset);
-
- DPRINT("Call16(%04X:%04X)\n", Segment, Offset);
-
- /* Start CPU simulation */
- EmulatorSimulate();
-
- /* Restore CS:IP */
- setCS(OrgCS);
- setIP(OrgIP);
-}
-
-
-
-ULONG
-RegisterCallback16(IN ULONG FarPtr,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL)
-{
- LPBYTE CodeStart = (LPBYTE)FAR_POINTER(FarPtr);
- LPBYTE Code = CodeStart;
-
- SIZE_T OurCodeSize = CallbackSize;
-
- if (CallbackCode == NULL) CallbackSize = 0;
-
- if (CallbackCode)
- {
- /* 16-bit interrupt code */
- RtlCopyMemory(Code, CallbackCode, CallbackSize);
- Code += CallbackSize;
- }
-
- /* Return the real size of the code if needed */
- if (CodeSize) *CodeSize = OurCodeSize; // == (ULONG_PTR)Code - (ULONG_PTR)CodeStart;
-
- // /* Return the entry-point address for 32-bit calls */
- // return (ULONG_PTR)(CodeStart + CallbackSize);
- return OurCodeSize;
-}
-
-VOID
-RunCallback16(IN PCALLBACK16 Context,
- IN ULONG FarPtr)
-{
- PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
- PUCHAR Trampoline = TrampolineBase;
- UCHAR OldTrampoline[CALL16_TRAMPOLINE_SIZE];
-
- /* Save the old trampoline */
- ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
-
- DPRINT1("RunCallback16(0x%p)\n", FarPtr);
-
- /* Build the generic entry-point for 16-bit far calls */
- *Trampoline++ = 0x9A; // Call far seg:off
- *(PULONG)Trampoline = FarPtr;
- Trampoline += sizeof(ULONG);
- UnSimulate16(Trampoline);
-
- /* Perform the call */
- Call16(HIWORD(Context->TrampolineFarPtr),
- LOWORD(Context->TrampolineFarPtr));
-
- /* Restore the old trampoline */
- ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
-}
-
-
-
-ULONG
-RegisterInt16(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL)
-{
- /* Get a pointer to the IVT and set the corresponding entry (far pointer) */
- LPDWORD IntVecTable = (LPDWORD)SEG_OFF_TO_PTR(0x0000, 0x0000);
- IntVecTable[IntNumber] = FarPtr;
-
- /* Register the 16-bit callback */
- return RegisterCallback16(FarPtr,
- CallbackCode,
- CallbackSize,
- CodeSize);
-}
-
-ULONG
-RegisterInt32(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN EMULATOR_INT32_PROC IntHandler,
- OUT PSIZE_T CodeSize OPTIONAL)
-{
- /* Array for holding our copy of the 16-bit interrupt callback */
- BYTE IntCallback[sizeof(Int16To32)/sizeof(BYTE)];
-
- /* Check whether the 32-bit interrupt was already registered */
-#if 0
- if (Int32Proc[IntNumber] != NULL)
- {
- DPRINT1("RegisterInt32: Interrupt 0x%02X already registered!\n",
IntNumber);
- return 0;
- }
-#endif
-
- /* Register the 32-bit interrupt handler */
- Int32Proc[IntNumber] = IntHandler;
-
- /* Copy the generic 16-bit interrupt callback and patch it */
- RtlCopyMemory(IntCallback, Int16To32, sizeof(Int16To32));
- IntCallback[2] = IntNumber;
-
- /* Register the 16-bit interrupt callback */
- return RegisterInt16(FarPtr,
- IntNumber,
- IntCallback,
- sizeof(IntCallback),
- CodeSize);
-}
-
-VOID
-Int32Call(IN PCALLBACK16 Context,
- IN BYTE IntNumber)
-{
- PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
- PUCHAR Trampoline = TrampolineBase;
- UCHAR OldTrampoline[INT16_TRAMPOLINE_SIZE];
-
- DPRINT("Int32Call(0x%02X)\n", IntNumber);
-
- /* Save the old trampoline */
- ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
-
- /* Build the generic entry-point for 16-bit calls */
- if (IntNumber == 0x03)
- {
- /* We are redefining for INT 03h */
- *Trampoline++ = 0xCC; // Call INT 03h
- /** *Trampoline++ = 0x90; // nop **/
- }
- else
- {
- /* Normal interrupt */
- *Trampoline++ = 0xCD; // Call INT XXh
- *Trampoline++ = IntNumber;
- }
- UnSimulate16(Trampoline);
-
- /* Perform the call */
- Call16(HIWORD(Context->TrampolineFarPtr),
- LOWORD(Context->TrampolineFarPtr));
-
- /* Restore the old trampoline */
- ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
-}
-
-
-
-VOID WINAPI Int32Dispatch(LPWORD Stack)
-{
- /* Get the interrupt number */
- BYTE IntNum = LOBYTE(Stack[STACK_INT_NUM]);
-
- /* Call the 32-bit Interrupt handler */
- if (Int32Proc[IntNum] != NULL)
- Int32Proc[IntNum](Stack);
- else
- DPRINT1("Unhandled 32-bit interrupt: 0x%02X, AX = 0x%04X\n", IntNum,
getAX());
-}
-
-static VOID WINAPI ControlBop(LPWORD Stack)
-{
- /* Get the Function Number and skip it */
- BYTE FuncNum = *(PBYTE)SEG_OFF_TO_PTR(getCS(), getIP());
- setIP(getIP() + 1);
-
- switch (FuncNum)
- {
- case BOP_CONTROL_INT32:
- Int32Dispatch(Stack);
- break;
-
- default:
- // DPRINT1("Unassigned Control BOP Function: 0x%02X\n", FuncNum);
- DisplayMessage(L"Unassigned Control BOP Function: 0x%02X",
FuncNum);
- break;
- }
-}
-
-VOID InitializeCallbacks(VOID)
-{
- /* Register the Control BOP */
- RegisterBop(BOP_CONTROL, ControlBop);
-}
-
-/* EOF */
Removed: trunk/reactos/subsystems/ntvdm/callback.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/callback.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/callback.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/callback.h (removed)
@@ -1,73 +0,0 @@
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: callback.h
- * PURPOSE: 32-bit Interrupt Handlers
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- * Hermes Belusca-Maito (hermes.belusca(a)sfr.fr)
- */
-
-#ifndef _CALLBACK_H_
-#define _CALLBACK_H_
-
-/* DEFINES ********************************************************************/
-
-/* 32-bit Interrupt Identifiers */
-#define EMULATOR_MAX_INT32_NUM 0xFF + 1
-
-typedef struct _CALLBACK16
-{
- ULONG TrampolineFarPtr; // Where the trampoline zone is placed
- ULONG TrampolineSize; // Size of the trampoline zone
- USHORT Segment;
- USHORT NextOffset;
-} CALLBACK16, *PCALLBACK16;
-
-extern const ULONG Int16To32StubSize;
-
-/* FUNCTIONS ******************************************************************/
-
-typedef VOID (WINAPI *EMULATOR_INT32_PROC)(LPWORD Stack);
-
-VOID
-InitializeContext(IN PCALLBACK16 Context,
- IN USHORT Segment,
- IN USHORT Offset);
-
-VOID
-Call16(IN USHORT Segment,
- IN USHORT Offset);
-
-ULONG
-RegisterCallback16(IN ULONG FarPtr,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL);
-
-VOID
-RunCallback16(IN PCALLBACK16 Context,
- IN ULONG FarPtr);
-
-ULONG
-RegisterInt16(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL);
-
-ULONG
-RegisterInt32(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN EMULATOR_INT32_PROC IntHandler,
- OUT PSIZE_T CodeSize OPTIONAL);
-
-VOID
-Int32Call(IN PCALLBACK16 Context,
- IN BYTE IntNumber);
-
-VOID WINAPI Int32Dispatch(LPWORD Stack);
-VOID InitializeCallbacks(VOID);
-
-#endif // _CALLBACK_H_
-
-/* EOF */
Modified: trunk/reactos/subsystems/ntvdm/clock.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/clock.c?r…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/clock.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/clock.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -12,6 +12,7 @@
#define NDEBUG
#include "emulator.h"
+#include "cpu/cpu.h"
// #include "clock.h"
@@ -62,7 +63,7 @@
VOID ClockUpdate(VOID)
{
- extern BOOLEAN CpuSimulate;
+ extern BOOLEAN CpuRunning;
UINT i;
#ifdef WORKING_TIMER
@@ -137,9 +138,9 @@
VgaHorizontalRetrace();
/* Continue CPU emulation */
- for (i = 0; VdmRunning && CpuSimulate && (i < STEPS_PER_CYCLE);
i++)
+ for (i = 0; VdmRunning && CpuRunning && (i < STEPS_PER_CYCLE);
i++)
{
- EmulatorStep();
+ CpuStep();
#ifdef IPS_DISPLAY
Cycles++;
#endif
Propchange: trunk/reactos/subsystems/ntvdm/cpu/
------------------------------------------------------------------------------
--- bugtraq:logregex (added)
+++ bugtraq:logregex Tue Sep 30 23:47:23 2014
@@ -0,0 +1,2 @@
+([Ii]ssue|[Bb]ug)s? #?(\d+)(,? ?#?(\d+))*(,? ?(and |or )?#?(\d+))?
+(\d+)
Propchange: trunk/reactos/subsystems/ntvdm/cpu/
------------------------------------------------------------------------------
bugtraq:message = See issue #%BUGID% for more details.
Propchange: trunk/reactos/subsystems/ntvdm/cpu/
------------------------------------------------------------------------------
bugtraq:url = http://www.reactos.org/bugzilla/show_bug.cgi?id=%BUGID%
Propchange: trunk/reactos/subsystems/ntvdm/cpu/
------------------------------------------------------------------------------
tsvn:logminsize = 10
Copied: trunk/reactos/subsystems/ntvdm/cpu/callback.c (from r64385,
trunk/reactos/subsystems/ntvdm/callback.c)
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/cpu/callb…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/callback.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/cpu/callback.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -19,85 +19,48 @@
#define NDEBUG
+#include "cpu.h"
+#include "callback.h"
#include "emulator.h"
-#include "callback.h"
#include "bop.h"
#include <isvbop.h>
/* PRIVATE VARIABLES **********************************************************/
-/*
- * This is the list of registered 32-bit Interrupt handlers.
- */
-static EMULATOR_INT32_PROC Int32Proc[EMULATOR_MAX_INT32_NUM] = { NULL };
+#define TRAMPOLINE_SIZE sizeof(ULONGLONG)
-/* BOP Identifiers */
-#define BOP_CONTROL 0xFF // Control BOP Handler
- #define BOP_CONTROL_DEFFUNC 0x00 // Default Control BOP Function
- #define BOP_CONTROL_INT32 0xFF // 32-bit Interrupt dispatcher
- // function code for the Control BOP Handler
-
-#define BOP(num) LOBYTE(EMULATOR_BOP), HIBYTE(EMULATOR_BOP), (num)
-#define UnSimulate16(trap) \
-do { \
- *(PUSHORT)(trap) = EMULATOR_BOP; \
- (trap) += sizeof(USHORT); \
- *(trap) = BOP_UNSIMULATE; \
-} while(0)
-// #define UnSimulate16 MAKELONG(EMULATOR_BOP, BOP_UNSIMULATE) //
BOP(BOP_UNSIMULATE)
-
-#define CALL16_TRAMPOLINE_SIZE (1 * sizeof(ULONGLONG))
-#define INT16_TRAMPOLINE_SIZE (1 * sizeof(ULONGLONG))
-
-//
-// WARNING WARNING!!
-//
-// If you modify the code stubs here, think also
-// about updating them in int32.c too!!
-//
-
-/* 16-bit generic interrupt code for calling a 32-bit interrupt handler */
-static BYTE Int16To32[] =
+static BYTE Yield[] =
{
- 0xFA, // cli
-
- /* Push the value of the interrupt to be called */
- 0x6A, 0xFF, // push i (patchable to 0x6A, 0xIntNum)
-
- /* The BOP Sequence */
-// BOP_SEQ:
- 0xF8, // clc
- BOP(BOP_CONTROL), // Control BOP
- BOP_CONTROL_INT32, // 32-bit Interrupt dispatcher
-
- 0x73, 0x04, // jnc EXIT (offset +4)
-
- 0xFB, // sti
-
- // HACK: The following instruction should be HLT!
- 0x90, // nop
-
- 0xEB, 0xF5, // jmp BOP_SEQ (offset -11)
-
-// EXIT:
- 0x44, 0x44, // inc sp, inc sp
- 0xCF, // iret
+ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90,
+ 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, // 13x nop
+ BOP(BOP_UNSIMULATE), // UnSimulate16 BOP
};
-const ULONG Int16To32StubSize = sizeof(Int16To32);
+C_ASSERT(sizeof(Yield) == 16 * sizeof(BYTE));
/* PUBLIC FUNCTIONS ***********************************************************/
+
+VOID
+InitializeContextEx(IN PCALLBACK16 Context,
+ IN ULONG TrampolineSize,
+ IN USHORT Segment,
+ IN USHORT Offset)
+{
+ Context->TrampolineFarPtr = MAKELONG(Offset, Segment);
+ Context->TrampolineSize = max(TRAMPOLINE_SIZE, TrampolineSize);
+ Context->Segment = Segment;
+ Context->NextOffset = Offset + Context->TrampolineSize;
+}
VOID
InitializeContext(IN PCALLBACK16 Context,
IN USHORT Segment,
IN USHORT Offset)
{
- Context->TrampolineFarPtr = MAKELONG(Offset, Segment);
- Context->TrampolineSize = max(CALL16_TRAMPOLINE_SIZE,
- INT16_TRAMPOLINE_SIZE);
- Context->Segment = Segment;
- Context->NextOffset = Offset + Context->TrampolineSize;
+ InitializeContextEx(Context,
+ TRAMPOLINE_SIZE,
+ Segment,
+ Offset);
}
VOID
@@ -115,14 +78,39 @@
DPRINT("Call16(%04X:%04X)\n", Segment, Offset);
/* Start CPU simulation */
- EmulatorSimulate();
+ CpuSimulate();
/* Restore CS:IP */
setCS(OrgCS);
setIP(OrgIP);
}
+VOID
+RunCallback16(IN PCALLBACK16 Context,
+ IN ULONG FarPtr)
+{
+ PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
+ PUCHAR Trampoline = TrampolineBase;
+ UCHAR OldTrampoline[TRAMPOLINE_SIZE];
+ /* Save the old trampoline */
+ ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
+
+ DPRINT("RunCallback16(0x%p)\n", FarPtr);
+
+ /* Build the generic entry-point for 16-bit far calls */
+ *Trampoline++ = 0x9A; // Call far seg:off
+ *(PULONG)Trampoline = FarPtr;
+ Trampoline += sizeof(ULONG);
+ UnSimulate16(Trampoline);
+
+ /* Perform the call */
+ Call16(HIWORD(Context->TrampolineFarPtr),
+ LOWORD(Context->TrampolineFarPtr));
+
+ /* Restore the old trampoline */
+ ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
+}
ULONG
RegisterCallback16(IN ULONG FarPtr,
@@ -152,159 +140,4 @@
return OurCodeSize;
}
-VOID
-RunCallback16(IN PCALLBACK16 Context,
- IN ULONG FarPtr)
-{
- PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
- PUCHAR Trampoline = TrampolineBase;
- UCHAR OldTrampoline[CALL16_TRAMPOLINE_SIZE];
-
- /* Save the old trampoline */
- ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
-
- DPRINT1("RunCallback16(0x%p)\n", FarPtr);
-
- /* Build the generic entry-point for 16-bit far calls */
- *Trampoline++ = 0x9A; // Call far seg:off
- *(PULONG)Trampoline = FarPtr;
- Trampoline += sizeof(ULONG);
- UnSimulate16(Trampoline);
-
- /* Perform the call */
- Call16(HIWORD(Context->TrampolineFarPtr),
- LOWORD(Context->TrampolineFarPtr));
-
- /* Restore the old trampoline */
- ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
-}
-
-
-
-ULONG
-RegisterInt16(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL)
-{
- /* Get a pointer to the IVT and set the corresponding entry (far pointer) */
- LPDWORD IntVecTable = (LPDWORD)SEG_OFF_TO_PTR(0x0000, 0x0000);
- IntVecTable[IntNumber] = FarPtr;
-
- /* Register the 16-bit callback */
- return RegisterCallback16(FarPtr,
- CallbackCode,
- CallbackSize,
- CodeSize);
-}
-
-ULONG
-RegisterInt32(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN EMULATOR_INT32_PROC IntHandler,
- OUT PSIZE_T CodeSize OPTIONAL)
-{
- /* Array for holding our copy of the 16-bit interrupt callback */
- BYTE IntCallback[sizeof(Int16To32)/sizeof(BYTE)];
-
- /* Check whether the 32-bit interrupt was already registered */
-#if 0
- if (Int32Proc[IntNumber] != NULL)
- {
- DPRINT1("RegisterInt32: Interrupt 0x%02X already registered!\n",
IntNumber);
- return 0;
- }
-#endif
-
- /* Register the 32-bit interrupt handler */
- Int32Proc[IntNumber] = IntHandler;
-
- /* Copy the generic 16-bit interrupt callback and patch it */
- RtlCopyMemory(IntCallback, Int16To32, sizeof(Int16To32));
- IntCallback[2] = IntNumber;
-
- /* Register the 16-bit interrupt callback */
- return RegisterInt16(FarPtr,
- IntNumber,
- IntCallback,
- sizeof(IntCallback),
- CodeSize);
-}
-
-VOID
-Int32Call(IN PCALLBACK16 Context,
- IN BYTE IntNumber)
-{
- PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
- PUCHAR Trampoline = TrampolineBase;
- UCHAR OldTrampoline[INT16_TRAMPOLINE_SIZE];
-
- DPRINT("Int32Call(0x%02X)\n", IntNumber);
-
- /* Save the old trampoline */
- ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
-
- /* Build the generic entry-point for 16-bit calls */
- if (IntNumber == 0x03)
- {
- /* We are redefining for INT 03h */
- *Trampoline++ = 0xCC; // Call INT 03h
- /** *Trampoline++ = 0x90; // nop **/
- }
- else
- {
- /* Normal interrupt */
- *Trampoline++ = 0xCD; // Call INT XXh
- *Trampoline++ = IntNumber;
- }
- UnSimulate16(Trampoline);
-
- /* Perform the call */
- Call16(HIWORD(Context->TrampolineFarPtr),
- LOWORD(Context->TrampolineFarPtr));
-
- /* Restore the old trampoline */
- ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
-}
-
-
-
-VOID WINAPI Int32Dispatch(LPWORD Stack)
-{
- /* Get the interrupt number */
- BYTE IntNum = LOBYTE(Stack[STACK_INT_NUM]);
-
- /* Call the 32-bit Interrupt handler */
- if (Int32Proc[IntNum] != NULL)
- Int32Proc[IntNum](Stack);
- else
- DPRINT1("Unhandled 32-bit interrupt: 0x%02X, AX = 0x%04X\n", IntNum,
getAX());
-}
-
-static VOID WINAPI ControlBop(LPWORD Stack)
-{
- /* Get the Function Number and skip it */
- BYTE FuncNum = *(PBYTE)SEG_OFF_TO_PTR(getCS(), getIP());
- setIP(getIP() + 1);
-
- switch (FuncNum)
- {
- case BOP_CONTROL_INT32:
- Int32Dispatch(Stack);
- break;
-
- default:
- // DPRINT1("Unassigned Control BOP Function: 0x%02X\n", FuncNum);
- DisplayMessage(L"Unassigned Control BOP Function: 0x%02X",
FuncNum);
- break;
- }
-}
-
-VOID InitializeCallbacks(VOID)
-{
- /* Register the Control BOP */
- RegisterBop(BOP_CONTROL, ControlBop);
-}
-
/* EOF */
Copied: trunk/reactos/subsystems/ntvdm/cpu/callback.h (from r64385,
trunk/reactos/subsystems/ntvdm/callback.h)
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/cpu/callb…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/callback.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/cpu/callback.h [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -12,8 +12,14 @@
/* DEFINES ********************************************************************/
-/* 32-bit Interrupt Identifiers */
-#define EMULATOR_MAX_INT32_NUM 0xFF + 1
+#define BOP(num) LOBYTE(EMULATOR_BOP), HIBYTE(EMULATOR_BOP), (num)
+#define UnSimulate16(trap) \
+do { \
+ *(PUSHORT)(trap) = EMULATOR_BOP; \
+ (trap) += sizeof(USHORT); \
+ *(trap) = BOP_UNSIMULATE; \
+} while(0)
+// #define UnSimulate16 MAKELONG(EMULATOR_BOP, BOP_UNSIMULATE) //
BOP(BOP_UNSIMULATE)
typedef struct _CALLBACK16
{
@@ -23,11 +29,23 @@
USHORT NextOffset;
} CALLBACK16, *PCALLBACK16;
-extern const ULONG Int16To32StubSize;
+//
+// WARNING WARNING!!
+// If you're changing the indices here, you then need to
+// also fix the BOP code in callback.c !!!!!!!!!!!!!!!!!
+//
+#define STACK_INT_NUM 0
+#define STACK_IP 1
+#define STACK_CS 2
+#define STACK_FLAGS 3
/* FUNCTIONS ******************************************************************/
-typedef VOID (WINAPI *EMULATOR_INT32_PROC)(LPWORD Stack);
+VOID
+InitializeContextEx(IN PCALLBACK16 Context,
+ IN ULONG TrampolineSize,
+ IN USHORT Segment,
+ IN USHORT Offset);
VOID
InitializeContext(IN PCALLBACK16 Context,
@@ -38,36 +56,16 @@
Call16(IN USHORT Segment,
IN USHORT Offset);
+VOID
+RunCallback16(IN PCALLBACK16 Context,
+ IN ULONG FarPtr);
+
ULONG
RegisterCallback16(IN ULONG FarPtr,
IN LPBYTE CallbackCode,
IN SIZE_T CallbackSize,
OUT PSIZE_T CodeSize OPTIONAL);
-VOID
-RunCallback16(IN PCALLBACK16 Context,
- IN ULONG FarPtr);
-
-ULONG
-RegisterInt16(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN LPBYTE CallbackCode,
- IN SIZE_T CallbackSize,
- OUT PSIZE_T CodeSize OPTIONAL);
-
-ULONG
-RegisterInt32(IN ULONG FarPtr,
- IN BYTE IntNumber,
- IN EMULATOR_INT32_PROC IntHandler,
- OUT PSIZE_T CodeSize OPTIONAL);
-
-VOID
-Int32Call(IN PCALLBACK16 Context,
- IN BYTE IntNumber);
-
-VOID WINAPI Int32Dispatch(LPWORD Stack);
-VOID InitializeCallbacks(VOID);
-
#endif // _CALLBACK_H_
/* EOF */
Copied: trunk/reactos/subsystems/ntvdm/cpu/cpu.c (from r64385,
trunk/reactos/subsystems/ntvdm/emulator.c)
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/cpu/cpu.c…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/emulator.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/cpu/cpu.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -10,8 +10,12 @@
#define NDEBUG
+#include "cpu.h"
+
#include "emulator.h"
#include "callback.h"
+#include "bop.h"
+#include <isvbop.h>
#include "clock.h"
#include "bios/rom.h"
@@ -24,29 +28,20 @@
#include "hardware/timer.h"
#include "hardware/vga.h"
-#include "bop.h"
-#include "vddsup.h"
#include "io.h"
-
-#include <isvbop.h>
/* PRIVATE VARIABLES **********************************************************/
FAST486_STATE EmulatorContext;
-BOOLEAN CpuSimulate = FALSE;
+BOOLEAN CpuRunning = FALSE;
/* No more than 'MaxCpuCallLevel' recursive CPU calls are allowed */
static const INT MaxCpuCallLevel = 32;
static INT CpuCallLevel = 0;
-LPVOID BaseAddress = NULL;
-BOOLEAN VdmRunning = TRUE;
+// BOOLEAN VdmRunning = TRUE;
-static BOOLEAN A20Line = FALSE;
-static BYTE Port61hState = 0x00;
-
-static HANDLE InputThread = NULL;
-
+#if 0
LPCWSTR ExceptionName[] =
{
L"Division By Zero",
@@ -58,90 +53,14 @@
L"Invalid Opcode",
L"FPU Not Available"
};
+#endif
-/* BOP Identifiers */
-#define BOP_DEBUGGER 0x56 // Break into the debugger from a 16-bit app
+// /* BOP Identifiers */
+// #define BOP_DEBUGGER 0x56 // Break into the debugger from a 16-bit app
/* PRIVATE FUNCTIONS **********************************************************/
-VOID WINAPI EmulatorReadMemory(PFAST486_STATE State, ULONG Address, PVOID Buffer, ULONG
Size)
-{
- UNREFERENCED_PARAMETER(State);
-
- // BIG HACK!!!! To make BIOS images working correctly,
- // until Aleksander rewrites memory management!!
- if (Address >= 0xFFFFFFF0) Address -= 0xFFF00000;
-
- /* If the A20 line is disabled, mask bit 20 */
- if (!A20Line) Address &= ~(1 << 20);
-
- /* Make sure the requested address is valid */
- if ((Address + Size) >= MAX_ADDRESS) return;
-
- /*
- * Check if we are going to read the VGA memory and
- * copy it into the virtual address space if needed.
- */
- if (((Address + Size) >= VgaGetVideoBaseAddress())
- && (Address < VgaGetVideoLimitAddress()))
- {
- DWORD VgaAddress = max(Address, VgaGetVideoBaseAddress());
- DWORD ActualSize = min(Address + Size - 1, VgaGetVideoLimitAddress())
- - VgaAddress + 1;
- LPBYTE DestBuffer = (LPBYTE)REAL_TO_PHYS(VgaAddress);
-
- /* Read from the VGA memory */
- VgaReadMemory(VgaAddress, DestBuffer, ActualSize);
- }
-
- /* Read the data from the virtual address space and store it in the buffer */
- RtlCopyMemory(Buffer, REAL_TO_PHYS(Address), Size);
-}
-
-VOID WINAPI EmulatorWriteMemory(PFAST486_STATE State, ULONG Address, PVOID Buffer, ULONG
Size)
-{
- UNREFERENCED_PARAMETER(State);
-
- // BIG HACK!!!! To make BIOS images working correctly,
- // until Aleksander rewrites memory management!!
- if (Address >= 0xFFFFFFF0) Address -= 0xFFF00000;
-
- /* If the A20 line is disabled, mask bit 20 */
- if (!A20Line) Address &= ~(1 << 20);
-
- /* Make sure the requested address is valid */
- if ((Address + Size) >= MAX_ADDRESS) return;
-
- /* Make sure we don't write to the ROM area */
- if ((Address + Size) >= ROM_AREA_START && (Address < ROM_AREA_END))
return;
-
- /* Read the data from the buffer and store it in the virtual address space */
- RtlCopyMemory(REAL_TO_PHYS(Address), Buffer, Size);
-
- /*
- * Check if we modified the VGA memory.
- */
- if (((Address + Size) >= VgaGetVideoBaseAddress())
- && (Address < VgaGetVideoLimitAddress()))
- {
- DWORD VgaAddress = max(Address, VgaGetVideoBaseAddress());
- DWORD ActualSize = min(Address + Size - 1, VgaGetVideoLimitAddress())
- - VgaAddress + 1;
- LPBYTE SrcBuffer = (LPBYTE)REAL_TO_PHYS(VgaAddress);
-
- /* Write to the VGA memory */
- VgaWriteMemory(VgaAddress, SrcBuffer, ActualSize);
- }
-}
-
-UCHAR WINAPI EmulatorIntAcknowledge(PFAST486_STATE State)
-{
- UNREFERENCED_PARAMETER(State);
-
- /* Get the interrupt number from the PIC */
- return PicGetInterrupt();
-}
-
+#if 0
VOID EmulatorException(BYTE ExceptionNumber, LPWORD Stack)
{
WORD CodeSegment, InstructionPointer;
@@ -175,15 +94,16 @@
EmulatorTerminate();
return;
}
+#endif
// FIXME: This function assumes 16-bit mode!!!
-VOID EmulatorExecute(WORD Segment, WORD Offset)
+VOID CpuExecute(WORD Segment, WORD Offset)
{
/* Tell Fast486 to move the instruction pointer */
Fast486ExecuteAt(&EmulatorContext, Segment, Offset);
}
-VOID EmulatorStep(VOID)
+VOID CpuStep(VOID)
{
/* Dump the state for debugging purposes */
// Fast486DumpState(&EmulatorContext);
@@ -192,7 +112,7 @@
Fast486StepInto(&EmulatorContext);
}
-VOID EmulatorSimulate(VOID)
+VOID CpuSimulate(VOID)
{
if (CpuCallLevel > MaxCpuCallLevel)
{
@@ -205,366 +125,45 @@
}
CpuCallLevel++;
- CpuSimulate = TRUE;
- while (VdmRunning && CpuSimulate) ClockUpdate();
+ CpuRunning = TRUE;
+ while (VdmRunning && CpuRunning) ClockUpdate();
CpuCallLevel--;
if (CpuCallLevel < 0) CpuCallLevel = 0;
/* This takes into account for reentrance */
- CpuSimulate = TRUE;
+ CpuRunning = TRUE;
}
-VOID EmulatorUnsimulate(VOID)
+VOID CpuUnsimulate(VOID)
{
/* Stop simulation */
- CpuSimulate = FALSE;
+ CpuRunning = FALSE;
}
+static VOID WINAPI CpuUnsimulateBop(LPWORD Stack)
+{
+ CpuUnsimulate();
+}
+
+#if 0
VOID EmulatorTerminate(VOID)
{
/* Stop the VDM */
VdmRunning = FALSE;
}
-
-VOID EmulatorInterrupt(BYTE Number)
-{
- /* Call the Fast486 API */
- Fast486Interrupt(&EmulatorContext, Number);
-}
-
-VOID EmulatorInterruptSignal(VOID)
-{
- /* Call the Fast486 API */
- Fast486InterruptSignal(&EmulatorContext);
-}
-
-VOID EmulatorSetA20(BOOLEAN Enabled)
-{
- A20Line = Enabled;
-}
-
-static VOID WINAPI EmulatorDebugBreakBop(LPWORD Stack)
-{
- DPRINT1("NTVDM: BOP_DEBUGGER\n");
- DebugBreak();
-}
-
-static VOID WINAPI EmulatorUnsimulateBop(LPWORD Stack)
-{
- EmulatorUnsimulate();
-}
-
-static BYTE WINAPI Port61hRead(ULONG Port)
-{
- return Port61hState;
-}
-
-static VOID WINAPI Port61hWrite(ULONG Port, BYTE Data)
-{
- // BOOLEAN SpeakerStateChange = FALSE;
- BYTE OldPort61hState = Port61hState;
-
- /* Only the four lowest bytes can be written */
- Port61hState = (Port61hState & 0xF0) | (Data & 0x0F);
-
- if ((OldPort61hState ^ Port61hState) & 0x01)
- {
- DPRINT("PIT 2 Gate %s\n", Port61hState & 0x01 ? "on" :
"off");
- PitSetGate(2, !!(Port61hState & 0x01));
- // SpeakerStateChange = TRUE;
- }
-
- if ((OldPort61hState ^ Port61hState) & 0x02)
- {
- /* There were some change for the speaker... */
- DPRINT("Speaker %s\n", Port61hState & 0x02 ? "on" :
"off");
- // SpeakerStateChange = TRUE;
- }
- // if (SpeakerStateChange) SpeakerChange();
- SpeakerChange();
-}
-
-static VOID WINAPI PitChan0Out(LPVOID Param, BOOLEAN State)
-{
- if (State)
- {
- DPRINT("PicInterruptRequest\n");
- PicInterruptRequest(0); // Raise IRQ 0
- }
- // else < Lower IRQ 0 >
-}
-
-static VOID WINAPI PitChan1Out(LPVOID Param, BOOLEAN State)
-{
-#if 0
- if (State)
- {
- /* Set bit 4 of Port 61h */
- Port61hState |= 1 << 4;
- }
- else
- {
- /* Clear bit 4 of Port 61h */
- Port61hState &= ~(1 << 4);
- }
-#else
- Port61hState = (Port61hState & 0xEF) | (State << 4);
#endif
-}
-
-static VOID WINAPI PitChan2Out(LPVOID Param, BOOLEAN State)
-{
- BYTE OldPort61hState = Port61hState;
-
-#if 0
- if (State)
- {
- /* Set bit 5 of Port 61h */
- Port61hState |= 1 << 5;
- }
- else
- {
- /* Clear bit 5 of Port 61h */
- Port61hState &= ~(1 << 5);
- }
-#else
- Port61hState = (Port61hState & 0xDF) | (State << 5);
-#endif
-
- if ((OldPort61hState ^ Port61hState) & 0x20)
- {
- DPRINT("PitChan2Out -- Port61hState changed\n");
- SpeakerChange();
- }
-}
-
-
-static DWORD
-WINAPI
-PumpConsoleInput(LPVOID Parameter)
-{
- HANDLE ConsoleInput = (HANDLE)Parameter;
- INPUT_RECORD InputRecord;
- DWORD Count;
-
- while (VdmRunning)
- {
- /* Make sure the task event is signaled */
- WaitForSingleObject(VdmTaskEvent, INFINITE);
-
- /* Wait for an input record */
- if (!ReadConsoleInput(ConsoleInput, &InputRecord, 1, &Count))
- {
- DWORD LastError = GetLastError();
- DPRINT1("Error reading console input (0x%p, %lu) - Error %lu\n",
ConsoleInput, Count, LastError);
- return LastError;
- }
-
- ASSERT(Count != 0);
-
- /* Check the event type */
- switch (InputRecord.EventType)
- {
- /*
- * Hardware events
- */
- case KEY_EVENT:
- KeyboardEventHandler(&InputRecord.Event.KeyEvent);
- break;
-
- case MOUSE_EVENT:
- MouseEventHandler(&InputRecord.Event.MouseEvent);
- break;
-
- case WINDOW_BUFFER_SIZE_EVENT:
- ScreenEventHandler(&InputRecord.Event.WindowBufferSizeEvent);
- break;
-
- /*
- * Interface events
- */
- case MENU_EVENT:
- MenuEventHandler(&InputRecord.Event.MenuEvent);
- break;
-
- case FOCUS_EVENT:
- FocusEventHandler(&InputRecord.Event.FocusEvent);
- break;
-
- default:
- break;
- }
- }
-
- return 0;
-}
-
-static VOID EnableExtraHardware(HANDLE ConsoleInput)
-{
- DWORD ConInMode;
-
- if (GetConsoleMode(ConsoleInput, &ConInMode))
- {
-#if 0
- // GetNumberOfConsoleMouseButtons();
- // GetSystemMetrics(SM_CMOUSEBUTTONS);
- // GetSystemMetrics(SM_MOUSEPRESENT);
- if (MousePresent)
- {
-#endif
- /* Support mouse input events if there is a mouse on the system */
- ConInMode |= ENABLE_MOUSE_INPUT;
-#if 0
- }
- else
- {
- /* Do not support mouse input events if there is no mouse on the system */
- ConInMode &= ~ENABLE_MOUSE_INPUT;
- }
-#endif
-
- SetConsoleMode(ConsoleInput, ConInMode);
- }
-}
/* PUBLIC FUNCTIONS ***********************************************************/
-static VOID
-DumpMemoryRaw(HANDLE hFile)
+BOOLEAN CpuInitialize(VOID)
{
- PVOID Buffer;
- SIZE_T Size;
-
- /* Dump the VM memory */
- SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
- Buffer = REAL_TO_PHYS(NULL);
- Size = MAX_ADDRESS - (ULONG_PTR)(NULL);
- WriteFile(hFile, Buffer, Size, &Size, NULL);
-}
-
-static VOID
-DumpMemoryTxt(HANDLE hFile)
-{
-#define LINE_SIZE 75 + 2
- ULONG i;
- PBYTE Ptr1, Ptr2;
- CHAR LineBuffer[LINE_SIZE];
- PCHAR Line;
- SIZE_T LineSize;
-
- /* Dump the VM memory */
- SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
- Ptr1 = Ptr2 = REAL_TO_PHYS(NULL);
- while (MAX_ADDRESS - (ULONG_PTR)PHYS_TO_REAL(Ptr1) > 0)
- {
- Ptr1 = Ptr2;
- Line = LineBuffer;
-
- /* Print the address */
- Line += snprintf(Line, LINE_SIZE + LineBuffer - Line, "%08x ",
PHYS_TO_REAL(Ptr1));
-
- /* Print up to 16 bytes... */
-
- /* ... in hexadecimal form first... */
- i = 0;
- while (i++ <= 0x0F && (MAX_ADDRESS - (ULONG_PTR)PHYS_TO_REAL(Ptr1)
> 0))
- {
- Line += snprintf(Line, LINE_SIZE + LineBuffer - Line, " %02x",
*Ptr1);
- ++Ptr1;
- }
-
- /* ... align with spaces if needed... */
- RtlFillMemory(Line, 0x0F + 4 - i, ' ');
- Line += 0x0F + 4 - i;
-
- /* ... then in character form. */
- i = 0;
- while (i++ <= 0x0F && (MAX_ADDRESS - (ULONG_PTR)PHYS_TO_REAL(Ptr2)
> 0))
- {
- *Line++ = ((*Ptr2 >= 0x20 && *Ptr2 <= 0x7E) || (*Ptr2 >=
0x80 && *Ptr2 < 0xFF) ? *Ptr2 : '.');
- ++Ptr2;
- }
-
- /* Newline */
- *Line++ = '\r';
- *Line++ = '\n';
-
- /* Finally write the line to the file */
- LineSize = Line - LineBuffer;
- WriteFile(hFile, LineBuffer, LineSize, &LineSize, NULL);
- }
-}
-
-VOID DumpMemory(BOOLEAN TextFormat)
-{
- static ULONG DumpNumber = 0;
-
- HANDLE hFile;
- WCHAR FileName[MAX_PATH];
-
- /* Build a suitable file name */
- _snwprintf(FileName, MAX_PATH,
- L"memdump%lu.%s",
- DumpNumber,
- TextFormat ? L"txt" : L"dat");
- ++DumpNumber;
-
- DPRINT1("Creating memory dump file '%S'...\n", FileName);
-
- /* Always create the dump file */
- hFile = CreateFileW(FileName,
- GENERIC_WRITE,
- 0,
- NULL,
- CREATE_ALWAYS,
- FILE_ATTRIBUTE_NORMAL,
- NULL);
-
- if (hFile == INVALID_HANDLE_VALUE)
- {
- DPRINT1("Error when creating '%S' for memory dumping, GetLastError()
= %u\n",
- FileName, GetLastError());
- return;
- }
-
- /* Dump the VM memory in the chosen format */
- if (TextFormat)
- DumpMemoryTxt(hFile);
- else
- DumpMemoryRaw(hFile);
-
- /* Close the file */
- CloseHandle(hFile);
-
- DPRINT1("Memory dump done\n");
-}
-
-BOOLEAN EmulatorInitialize(HANDLE ConsoleInput, HANDLE ConsoleOutput)
-{
- /* Allocate memory for the 16-bit address space */
- BaseAddress = HeapAlloc(GetProcessHeap(), /*HEAP_ZERO_MEMORY*/ 0, MAX_ADDRESS);
- if (BaseAddress == NULL)
- {
- wprintf(L"FATAL: Failed to allocate VDM memory.\n");
- return FALSE;
- }
- /*
- * For diagnostics purposes, we fill the memory with INT 0x03 codes
- * so that if a program wants to execute random code in memory, we can
- * retrieve the exact CS:IP where the problem happens.
- */
- RtlFillMemory(BaseAddress, MAX_ADDRESS, 0xCC);
-
- /* Initialize I/O ports */
- /* Initialize RAM */
-
- /* Initialize the internal clock */
- if (!ClockInitialize())
- {
- wprintf(L"FATAL: Failed to initialize the clock\n");
- return FALSE;
- }
+ // /* Initialize the internal clock */
+ // if (!ClockInitialize())
+ // {
+ // wprintf(L"FATAL: Failed to initialize the clock\n");
+ // return FALSE;
+ // }
/* Initialize the CPU */
Fast486Initialize(&EmulatorContext,
@@ -577,163 +176,16 @@
EmulatorIntAcknowledge,
NULL /* TODO: Use a TLB */);
- /* Initialize DMA */
-
- /* Initialize the PIC, the PIT, the CMOS and the PC Speaker */
- PicInitialize();
- PitInitialize();
- CmosInitialize();
- SpeakerInitialize();
-
- /* Set output functions */
- PitSetOutFunction(0, NULL, PitChan0Out);
- PitSetOutFunction(1, NULL, PitChan1Out);
- PitSetOutFunction(2, NULL, PitChan2Out);
-
- /* Register the I/O Ports */
- RegisterIoPort(CONTROL_SYSTEM_PORT61H, Port61hRead, Port61hWrite);
-
- /* Set the console input mode */
- // FIXME: Activate ENABLE_WINDOW_INPUT when we will want to perform actions
- // upon console window events (screen buffer resize, ...).
- SetConsoleMode(ConsoleInput, ENABLE_PROCESSED_INPUT /* | ENABLE_WINDOW_INPUT */);
- // SetConsoleMode(ConsoleOutput, ENABLE_PROCESSED_OUTPUT |
ENABLE_WRAP_AT_EOL_OUTPUT);
-
- /**/EnableExtraHardware(ConsoleInput);/**/
-
- /* Initialize the PS/2 port */
- PS2Initialize();
-
- /* Initialize the keyboard and mouse and connect them to their PS/2 ports */
- KeyboardInit(0);
- MouseInit(1);
-
- /**************** ATTACH INPUT WITH CONSOLE *****************/
- /* Start the input thread */
- InputThread = CreateThread(NULL, 0, &PumpConsoleInput, ConsoleInput, 0, NULL);
- if (InputThread == NULL)
- {
- DisplayMessage(L"Failed to create the console input thread.");
- return FALSE;
- }
- /************************************************************/
-
- /* Initialize the VGA */
- if (!VgaInitialize(ConsoleOutput))
- {
- DisplayMessage(L"Failed to initialize VGA support.");
- return FALSE;
- }
-
/* Initialize the software callback system and register the emulator BOPs */
- InitializeCallbacks();
- RegisterBop(BOP_DEBUGGER , EmulatorDebugBreakBop);
- RegisterBop(BOP_UNSIMULATE, EmulatorUnsimulateBop);
-
- /* Initialize VDD support */
- VDDSupInitialize();
+ // RegisterBop(BOP_DEBUGGER , EmulatorDebugBreakBop);
+ RegisterBop(BOP_UNSIMULATE, CpuUnsimulateBop);
return TRUE;
}
-VOID EmulatorCleanup(VOID)
+VOID CpuCleanup(VOID)
{
- VgaCleanup();
-
- /* Close the input thread handle */
- if (InputThread != NULL) CloseHandle(InputThread);
- InputThread = NULL;
-
- PS2Cleanup();
-
- SpeakerCleanup();
- CmosCleanup();
- // PitCleanup();
- // PicCleanup();
-
// Fast486Cleanup();
-
- /* Free the memory allocated for the 16-bit address space */
- if (BaseAddress != NULL) HeapFree(GetProcessHeap(), 0, BaseAddress);
-}
-
-
-
-VOID
-WINAPI
-VDDSimulate16(VOID)
-{
- EmulatorSimulate();
-}
-
-VOID
-WINAPI
-VDDTerminateVDM(VOID)
-{
- /* Stop the VDM */
- EmulatorTerminate();
-}
-
-PBYTE
-WINAPI
-Sim32pGetVDMPointer(IN ULONG Address,
- IN BOOLEAN ProtectedMode)
-{
- // FIXME
- UNREFERENCED_PARAMETER(ProtectedMode);
-
- /*
- * HIWORD(Address) == Segment (if ProtectedMode == FALSE)
- * or Selector (if ProtectedMode == TRUE )
- * LOWORD(Address) == Offset
- */
- return (PBYTE)FAR_POINTER(Address);
-}
-
-PBYTE
-WINAPI
-MGetVdmPointer(IN ULONG Address,
- IN ULONG Size,
- IN BOOLEAN ProtectedMode)
-{
- UNREFERENCED_PARAMETER(Size);
- return Sim32pGetVDMPointer(Address, ProtectedMode);
-}
-
-PVOID
-WINAPI
-VdmMapFlat(IN USHORT Segment,
- IN ULONG Offset,
- IN VDM_MODE Mode)
-{
- // FIXME
- UNREFERENCED_PARAMETER(Mode);
-
- return SEG_OFF_TO_PTR(Segment, Offset);
-}
-
-BOOL
-WINAPI
-VdmFlushCache(IN USHORT Segment,
- IN ULONG Offset,
- IN ULONG Size,
- IN VDM_MODE Mode)
-{
- // FIXME
- UNIMPLEMENTED;
- return TRUE;
-}
-
-BOOL
-WINAPI
-VdmUnmapFlat(IN USHORT Segment,
- IN ULONG Offset,
- IN PVOID Buffer,
- IN VDM_MODE Mode)
-{
- // FIXME
- UNIMPLEMENTED;
- return TRUE;
}
/* EOF */
Copied: trunk/reactos/subsystems/ntvdm/cpu/cpu.h (from r64385,
trunk/reactos/subsystems/ntvdm/emulator.h)
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/cpu/cpu.h…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/emulator.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/cpu/cpu.h [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -6,8 +6,8 @@
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
*/
-#ifndef _EMULATOR_H_
-#define _EMULATOR_H_
+#ifndef _CPU_H_
+#define _CPU_H_
/* INCLUDES *******************************************************************/
@@ -17,62 +17,24 @@
/* DEFINES ********************************************************************/
/* FLAGS */
-#define EMULATOR_FLAG_CF (1 << 0)
-#define EMULATOR_FLAG_PF (1 << 2)
-#define EMULATOR_FLAG_AF (1 << 4)
-#define EMULATOR_FLAG_ZF (1 << 6)
-#define EMULATOR_FLAG_SF (1 << 7)
-#define EMULATOR_FLAG_TF (1 << 8)
-#define EMULATOR_FLAG_IF (1 << 9)
-#define EMULATOR_FLAG_DF (1 << 10)
-#define EMULATOR_FLAG_OF (1 << 11)
-#define EMULATOR_FLAG_NT (1 << 14)
-#define EMULATOR_FLAG_RF (1 << 16)
-#define EMULATOR_FLAG_VM (1 << 17)
-#define EMULATOR_FLAG_AC (1 << 18)
-#define EMULATOR_FLAG_VIF (1 << 19)
-#define EMULATOR_FLAG_VIP (1 << 20)
-#define EMULATOR_FLAG_ID (1 << 21)
+#define EMULATOR_FLAG_CF (1 << 0)
+#define EMULATOR_FLAG_PF (1 << 2)
+#define EMULATOR_FLAG_AF (1 << 4)
+#define EMULATOR_FLAG_ZF (1 << 6)
+#define EMULATOR_FLAG_SF (1 << 7)
+#define EMULATOR_FLAG_TF (1 << 8)
+#define EMULATOR_FLAG_IF (1 << 9)
+#define EMULATOR_FLAG_DF (1 << 10)
+#define EMULATOR_FLAG_OF (1 << 11)
+#define EMULATOR_FLAG_NT (1 << 14)
+#define EMULATOR_FLAG_RF (1 << 16)
+#define EMULATOR_FLAG_VM (1 << 17)
+#define EMULATOR_FLAG_AC (1 << 18)
+#define EMULATOR_FLAG_VIF (1 << 19)
+#define EMULATOR_FLAG_VIP (1 << 20)
+#define EMULATOR_FLAG_ID (1 << 21)
-//
-// WARNING WARNING!!
-// If you're changing the indices here, you then need to
-// also fix the BOP code in callback.c !!!!!!!!!!!!!!!!!
-//
-#define STACK_INT_NUM 0
-#define STACK_IP 1
-#define STACK_CS 2
-#define STACK_FLAGS 3
-
-
-/* Basic Memory Management */
-#define MEM_ALIGN_UP(ptr, align) MEM_ALIGN_DOWN((ULONG_PTR)(ptr) + (align) - 1l,
(align))
-#define MEM_ALIGN_DOWN(ptr, align) (PVOID)((ULONG_PTR)(ptr) & ~((align) - 1l))
-
-#define TO_LINEAR(seg, off) (((seg) << 4) + (off))
-#define MAX_SEGMENT 0xFFFF
-#define MAX_OFFSET 0xFFFF
-#define MAX_ADDRESS 0x1000000 // 16 MB of RAM
-
-#define FAR_POINTER(x) \
- (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR(HIWORD(x), LOWORD(x)))
-
-#define SEG_OFF_TO_PTR(seg, off) \
- (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), (off)))
-
-#define REAL_TO_PHYS(ptr) (PVOID)((ULONG_PTR)(ptr) + (ULONG_PTR)BaseAddress)
-#define PHYS_TO_REAL(ptr) (PVOID)((ULONG_PTR)(ptr) - (ULONG_PTR)BaseAddress)
-
-
-/* BCD-Binary conversion */
-#define BINARY_TO_BCD(x) ((((x) / 1000) << 12) + (((x) / 100) << 8) + (((x) /
10) << 4) + ((x) % 10))
-#define BCD_TO_BINARY(x) (((x) >> 12) * 1000 + ((x) >> 8) * 100 + ((x)
>> 4) * 10 + ((x) & 0x0F))
-
-
-/* System I/O ports */
-#define CONTROL_SYSTEM_PORT61H 0x61
-
-
+#if 0
enum
{
EMULATOR_EXCEPTION_DIVISION_BY_ZERO,
@@ -91,51 +53,27 @@
EMULATOR_EXCEPTION_GPF,
EMULATOR_EXCEPTION_PAGE_FAULT
};
-
+#endif
extern FAST486_STATE EmulatorContext;
-extern LPVOID BaseAddress;
-extern BOOLEAN VdmRunning;
+// extern BOOLEAN VdmRunning;
/* FUNCTIONS ******************************************************************/
-VOID DumpMemory(BOOLEAN TextFormat);
+#if 0
+VOID EmulatorException(BYTE ExceptionNumber, LPWORD Stack);
+#endif
-VOID WINAPI EmulatorReadMemory
-(
- PFAST486_STATE State,
- ULONG Address,
- PVOID Buffer,
- ULONG Size
-);
+VOID CpuExecute(WORD Segment, WORD Offset);
+VOID CpuStep(VOID);
+VOID CpuSimulate(VOID);
+VOID CpuUnsimulate(VOID);
+#if 0
+VOID EmulatorTerminate(VOID);
+#endif
-VOID WINAPI EmulatorWriteMemory
-(
- PFAST486_STATE State,
- ULONG Address,
- PVOID Buffer,
- ULONG Size
-);
+BOOLEAN CpuInitialize(VOID);
+VOID CpuCleanup(VOID);
-UCHAR WINAPI EmulatorIntAcknowledge
-(
- PFAST486_STATE State
-);
-
-VOID EmulatorException(BYTE ExceptionNumber, LPWORD Stack);
-
-VOID EmulatorExecute(WORD Segment, WORD Offset);
-VOID EmulatorStep(VOID);
-VOID EmulatorSimulate(VOID);
-VOID EmulatorUnsimulate(VOID);
-VOID EmulatorTerminate(VOID);
-
-VOID EmulatorInterrupt(BYTE Number);
-VOID EmulatorInterruptSignal(VOID);
-VOID EmulatorSetA20(BOOLEAN Enabled);
-
-BOOLEAN EmulatorInitialize(HANDLE ConsoleInput, HANDLE ConsoleOutput);
-VOID EmulatorCleanup(VOID);
-
-#endif // _EMULATOR_H_
+#endif // _CPU_H_
/* EOF */
Modified: trunk/reactos/subsystems/ntvdm/dos/dem.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dem.c…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/dos/dem.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/dos/dem.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -18,7 +18,7 @@
#include "utils.h"
#include "dem.h"
-#include "bop.h"
+#include "cpu/bop.h"
#include "bios/bios.h"
#include "mouse32.h"
Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/bios.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/bios.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/bios.c [iso-8859-1] Tue Sep 30 23:47:23
2014
@@ -11,7 +11,7 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+#include "int32.h"
#include "dos.h"
Modified: trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/dos32…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/dos/dos32krnl/dos.h [iso-8859-1] Tue Sep 30 23:47:23
2014
@@ -13,7 +13,7 @@
#include "ntvdm.h"
-/**/ #include "callback.h" /**/
+/**/ #include "int32.h" /**/
/* DEFINES ********************************************************************/
Modified: trunk/reactos/subsystems/ntvdm/dos/mouse32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/dos/mouse…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/dos/mouse32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/dos/mouse32.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,7 +11,8 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+#include "cpu/cpu.h"
+#include "int32.h"
#include "mouse32.h"
#include "bios/bios.h"
Modified: trunk/reactos/subsystems/ntvdm/emulator.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/emulator.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/emulator.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/emulator.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,7 +11,13 @@
#define NDEBUG
#include "emulator.h"
-#include "callback.h"
+
+#include "cpu/callback.h"
+#include "cpu/cpu.h"
+#include "cpu/bop.h"
+#include <isvbop.h>
+
+#include "int32.h"
#include "clock.h"
#include "bios/rom.h"
@@ -24,20 +30,10 @@
#include "hardware/timer.h"
#include "hardware/vga.h"
-#include "bop.h"
#include "vddsup.h"
#include "io.h"
-#include <isvbop.h>
-
/* PRIVATE VARIABLES **********************************************************/
-
-FAST486_STATE EmulatorContext;
-BOOLEAN CpuSimulate = FALSE;
-
-/* No more than 'MaxCpuCallLevel' recursive CPU calls are allowed */
-static const INT MaxCpuCallLevel = 32;
-static INT CpuCallLevel = 0;
LPVOID BaseAddress = NULL;
BOOLEAN VdmRunning = TRUE;
@@ -176,51 +172,6 @@
return;
}
-// FIXME: This function assumes 16-bit mode!!!
-VOID EmulatorExecute(WORD Segment, WORD Offset)
-{
- /* Tell Fast486 to move the instruction pointer */
- Fast486ExecuteAt(&EmulatorContext, Segment, Offset);
-}
-
-VOID EmulatorStep(VOID)
-{
- /* Dump the state for debugging purposes */
- // Fast486DumpState(&EmulatorContext);
-
- /* Execute the next instruction */
- Fast486StepInto(&EmulatorContext);
-}
-
-VOID EmulatorSimulate(VOID)
-{
- if (CpuCallLevel > MaxCpuCallLevel)
- {
- DisplayMessage(L"Too many CPU levels of recursion (%d, expected maximum
%d)",
- CpuCallLevel, MaxCpuCallLevel);
-
- /* Stop the VDM */
- EmulatorTerminate();
- return;
- }
- CpuCallLevel++;
-
- CpuSimulate = TRUE;
- while (VdmRunning && CpuSimulate) ClockUpdate();
-
- CpuCallLevel--;
- if (CpuCallLevel < 0) CpuCallLevel = 0;
-
- /* This takes into account for reentrance */
- CpuSimulate = TRUE;
-}
-
-VOID EmulatorUnsimulate(VOID)
-{
- /* Stop simulation */
- CpuSimulate = FALSE;
-}
-
VOID EmulatorTerminate(VOID)
{
/* Stop the VDM */
@@ -248,11 +199,6 @@
{
DPRINT1("NTVDM: BOP_DEBUGGER\n");
DebugBreak();
-}
-
-static VOID WINAPI EmulatorUnsimulateBop(LPWORD Stack)
-{
- EmulatorUnsimulate();
}
static BYTE WINAPI Port61hRead(ULONG Port)
@@ -559,6 +505,8 @@
/* Initialize I/O ports */
/* Initialize RAM */
+ /* Initialize the CPU */
+
/* Initialize the internal clock */
if (!ClockInitialize())
{
@@ -567,15 +515,16 @@
}
/* Initialize the CPU */
- Fast486Initialize(&EmulatorContext,
- EmulatorReadMemory,
- EmulatorWriteMemory,
- EmulatorReadIo,
- EmulatorWriteIo,
- NULL,
- EmulatorBiosOperation,
- EmulatorIntAcknowledge,
- NULL /* TODO: Use a TLB */);
+ CpuInitialize();
+ // Fast486Initialize(&EmulatorContext,
+ // EmulatorReadMemory,
+ // EmulatorWriteMemory,
+ // EmulatorReadIo,
+ // EmulatorWriteIo,
+ // NULL,
+ // EmulatorBiosOperation,
+ // EmulatorIntAcknowledge,
+ // NULL /* TODO: Use a TLB */);
/* Initialize DMA */
@@ -626,9 +575,9 @@
}
/* Initialize the software callback system and register the emulator BOPs */
- InitializeCallbacks();
+ InitializeInt32();
RegisterBop(BOP_DEBUGGER , EmulatorDebugBreakBop);
- RegisterBop(BOP_UNSIMULATE, EmulatorUnsimulateBop);
+ // RegisterBop(BOP_UNSIMULATE, CpuUnsimulateBop);
/* Initialize VDD support */
VDDSupInitialize();
@@ -651,7 +600,7 @@
// PitCleanup();
// PicCleanup();
- // Fast486Cleanup();
+ CpuCleanup();
/* Free the memory allocated for the 16-bit address space */
if (BaseAddress != NULL) HeapFree(GetProcessHeap(), 0, BaseAddress);
@@ -663,7 +612,7 @@
WINAPI
VDDSimulate16(VOID)
{
- EmulatorSimulate();
+ CpuSimulate();
}
VOID
Modified: trunk/reactos/subsystems/ntvdm/emulator.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/emulator.…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/emulator.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/emulator.h [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -15,35 +15,6 @@
#include <fast486.h>
/* DEFINES ********************************************************************/
-
-/* FLAGS */
-#define EMULATOR_FLAG_CF (1 << 0)
-#define EMULATOR_FLAG_PF (1 << 2)
-#define EMULATOR_FLAG_AF (1 << 4)
-#define EMULATOR_FLAG_ZF (1 << 6)
-#define EMULATOR_FLAG_SF (1 << 7)
-#define EMULATOR_FLAG_TF (1 << 8)
-#define EMULATOR_FLAG_IF (1 << 9)
-#define EMULATOR_FLAG_DF (1 << 10)
-#define EMULATOR_FLAG_OF (1 << 11)
-#define EMULATOR_FLAG_NT (1 << 14)
-#define EMULATOR_FLAG_RF (1 << 16)
-#define EMULATOR_FLAG_VM (1 << 17)
-#define EMULATOR_FLAG_AC (1 << 18)
-#define EMULATOR_FLAG_VIF (1 << 19)
-#define EMULATOR_FLAG_VIP (1 << 20)
-#define EMULATOR_FLAG_ID (1 << 21)
-
-//
-// WARNING WARNING!!
-// If you're changing the indices here, you then need to
-// also fix the BOP code in callback.c !!!!!!!!!!!!!!!!!
-//
-#define STACK_INT_NUM 0
-#define STACK_IP 1
-#define STACK_CS 2
-#define STACK_FLAGS 3
-
/* Basic Memory Management */
#define MEM_ALIGN_UP(ptr, align) MEM_ALIGN_DOWN((ULONG_PTR)(ptr) + (align) - 1l,
(align))
@@ -92,7 +63,7 @@
EMULATOR_EXCEPTION_PAGE_FAULT
};
-extern FAST486_STATE EmulatorContext;
+// extern FAST486_STATE EmulatorContext;
extern LPVOID BaseAddress;
extern BOOLEAN VdmRunning;
@@ -123,10 +94,6 @@
VOID EmulatorException(BYTE ExceptionNumber, LPWORD Stack);
-VOID EmulatorExecute(WORD Segment, WORD Offset);
-VOID EmulatorStep(VOID);
-VOID EmulatorSimulate(VOID);
-VOID EmulatorUnsimulate(VOID);
VOID EmulatorTerminate(VOID);
VOID EmulatorInterrupt(BYTE Number);
Modified: trunk/reactos/subsystems/ntvdm/int32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/int32.c?r…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/int32.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/int32.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -14,25 +14,55 @@
#include "emulator.h"
#include "int32.h"
-#include "bop.h"
+#include "cpu/bop.h"
+#include <isvbop.h>
/* PRIVATE VARIABLES **********************************************************/
/*
* This is the list of registered 32-bit Interrupt handlers.
*/
-EMULATOR_INT32_PROC Int32Proc[EMULATOR_MAX_INT32_NUM] = { NULL };
+static EMULATOR_INT32_PROC Int32Proc[EMULATOR_MAX_INT32_NUM] = { NULL };
/* BOP Identifiers */
#define BOP_CONTROL 0xFF // Control BOP Handler
#define BOP_CONTROL_DEFFUNC 0x00 // Default Control BOP Function
+ #define BOP_CONTROL_INT32 0xFF // 32-bit Interrupt dispatcher
-/* 32-bit Interrupt dispatcher function code for the Control BOP Handler */
-#define BOP_CONTROL_INT32 0xFF
+#define INT16_TRAMPOLINE_SIZE sizeof(ULONGLONG) // == TRAMPOLINE_SIZE
+
+/* 16-bit generic interrupt code for calling a 32-bit interrupt handler */
+static BYTE Int16To32[] =
+{
+ 0xFA, // cli
+
+ /* Push the value of the interrupt to be called */
+ 0x6A, 0xFF, // push i (patchable to 0x6A, 0xIntNum)
+
+ /* The BOP Sequence */
+// BOP_SEQ:
+ 0xF8, // clc
+ BOP(BOP_CONTROL), // Control BOP
+ BOP_CONTROL_INT32, // 32-bit Interrupt dispatcher
+
+ 0x73, 0x04, // jnc EXIT (offset +4)
+
+ 0xFB, // sti
+
+ // HACK: The following instruction should be HLT!
+ 0x90, // nop
+
+ 0xEB, 0xF5, // jmp BOP_SEQ (offset -11)
+
+// EXIT:
+ 0x44, 0x44, // inc sp, inc sp
+ 0xCF, // iret
+};
+const ULONG Int16To32StubSize = sizeof(Int16To32);
/* PUBLIC FUNCTIONS ***********************************************************/
-VOID WINAPI Int32Dispatch(LPWORD Stack)
+static VOID WINAPI Int32Dispatch(LPWORD Stack)
{
/* Get the interrupt number */
BYTE IntNum = LOBYTE(Stack[STACK_INT_NUM]);
@@ -41,88 +71,127 @@
if (Int32Proc[IntNum] != NULL)
Int32Proc[IntNum](Stack);
else
- DPRINT("Unhandled 32-bit interrupt: 0x%02X, AX = 0x%04X\n", IntNum,
getAX());
+ DPRINT1("Unhandled 32-bit interrupt: 0x%02X, AX = 0x%04X\n", IntNum,
getAX());
}
-VOID WINAPI ControlBop(LPWORD Stack)
+static VOID WINAPI ControlBop(LPWORD Stack)
{
/* Get the Function Number and skip it */
BYTE FuncNum = *(PBYTE)SEG_OFF_TO_PTR(getCS(), getIP());
setIP(getIP() + 1);
- if (FuncNum == BOP_CONTROL_INT32)
- Int32Dispatch(Stack);
- else
- DPRINT("Unassigned Control BOP Function: 0x%02X\n", FuncNum);
+ switch (FuncNum)
+ {
+ case BOP_CONTROL_INT32:
+ Int32Dispatch(Stack);
+ break;
+
+ default:
+ // DPRINT1("Unassigned Control BOP Function: 0x%02X\n", FuncNum);
+ DisplayMessage(L"Unassigned Control BOP Function: 0x%02X",
FuncNum);
+ break;
+ }
}
-VOID InitializeInt32(WORD BiosSegment)
+ULONG
+RegisterInt16(IN ULONG FarPtr,
+ IN BYTE IntNumber,
+ IN LPBYTE CallbackCode,
+ IN SIZE_T CallbackSize,
+ OUT PSIZE_T CodeSize OPTIONAL)
{
- //
- // WARNING WARNING!!
- //
- // If you modify the code stubs here, think also
- // about updating them in callback.c too!!
- //
+ /* Get a pointer to the IVT and set the corresponding entry (far pointer) */
+ LPDWORD IntVecTable = (LPDWORD)SEG_OFF_TO_PTR(0x0000, 0x0000);
+ IntVecTable[IntNumber] = FarPtr;
- LPDWORD IntVecTable = (LPDWORD)BaseAddress;
- LPBYTE BiosCode = (LPBYTE)SEG_OFF_TO_PTR(BiosSegment, 0);
- USHORT i;
- WORD BopSeqOffset, Offset = 0;
+ /* Register the 16-bit callback */
+ return RegisterCallback16(FarPtr,
+ CallbackCode,
+ CallbackSize,
+ CodeSize);
+}
- /* Generate ISR stubs and fill the IVT */
- for (i = 0x00; i <= 0xFF; i++)
+ULONG
+RegisterInt32(IN ULONG FarPtr,
+ IN BYTE IntNumber,
+ IN EMULATOR_INT32_PROC IntHandler,
+ OUT PSIZE_T CodeSize OPTIONAL)
+{
+ /* Array for holding our copy of the 16-bit interrupt callback */
+ BYTE IntCallback[sizeof(Int16To32)/sizeof(BYTE)];
+
+ /* Check whether the 32-bit interrupt was already registered */
+#if 0
+ if (Int32Proc[IntNumber] != NULL)
{
- Offset = INT_HANDLER_OFFSET + (i << 4);
- IntVecTable[i] = MAKELONG(Offset, BiosSegment);
+ DPRINT1("RegisterInt32: Interrupt 0x%02X already registered!\n",
IntNumber);
+ return 0;
+ }
+#endif
- BiosCode[Offset++] = 0xFA; // cli
+ /* Register the 32-bit interrupt handler */
+ Int32Proc[IntNumber] = IntHandler;
- BiosCode[Offset++] = 0x6A; // push i
- BiosCode[Offset++] = (UCHAR)i;
+ /* Copy the generic 16-bit interrupt callback and patch it */
+ RtlCopyMemory(IntCallback, Int16To32, sizeof(Int16To32));
+ IntCallback[2] = IntNumber;
- BopSeqOffset = COMMON_STUB_OFFSET - (Offset + 3);
+ /* Register the 16-bit interrupt callback */
+ return RegisterInt16(FarPtr,
+ IntNumber,
+ IntCallback,
+ sizeof(IntCallback),
+ CodeSize);
+}
- BiosCode[Offset++] = 0xE9; // jmp near BOP_SEQ
- BiosCode[Offset++] = LOBYTE(BopSeqOffset);
- BiosCode[Offset++] = HIBYTE(BopSeqOffset);
+VOID
+Int32Call(IN PCALLBACK16 Context,
+ IN BYTE IntNumber)
+{
+ /*
+ * TODO: This function has almost the same code as RunCallback16.
+ * Something that may be nice is to have a common interface to
+ * build the trampoline...
+ */
+
+ PUCHAR TrampolineBase = (PUCHAR)FAR_POINTER(Context->TrampolineFarPtr);
+ PUCHAR Trampoline = TrampolineBase;
+ UCHAR OldTrampoline[INT16_TRAMPOLINE_SIZE];
+
+ DPRINT("Int32Call(0x%02X)\n", IntNumber);
+
+ ASSERT(Context->TrampolineSize == INT16_TRAMPOLINE_SIZE);
+
+ /* Save the old trampoline */
+ ((PULONGLONG)&OldTrampoline)[0] = ((PULONGLONG)TrampolineBase)[0];
+
+ /* Build the generic entry-point for 16-bit calls */
+ if (IntNumber == 0x03)
+ {
+ /* We are redefining for INT 03h */
+ *Trampoline++ = 0xCC; // Call INT 03h
+ /** *Trampoline++ = 0x90; // nop **/
}
+ else
+ {
+ /* Normal interrupt */
+ *Trampoline++ = 0xCD; // Call INT XXh
+ *Trampoline++ = IntNumber;
+ }
+ UnSimulate16(Trampoline);
- /* Write the common stub code */
- Offset = COMMON_STUB_OFFSET;
+ /* Perform the call */
+ Call16(HIWORD(Context->TrampolineFarPtr),
+ LOWORD(Context->TrampolineFarPtr));
-// BOP_SEQ:
- BiosCode[Offset++] = 0xF8; // clc
+ /* Restore the old trampoline */
+ ((PULONGLONG)TrampolineBase)[0] = ((PULONGLONG)&OldTrampoline)[0];
+}
- BiosCode[Offset++] = LOBYTE(EMULATOR_BOP); // BOP sequence
- BiosCode[Offset++] = HIBYTE(EMULATOR_BOP);
- BiosCode[Offset++] = BOP_CONTROL; // Control BOP
- BiosCode[Offset++] = BOP_CONTROL_INT32; // 32-bit Interrupt dispatcher
-
- BiosCode[Offset++] = 0x73; // jnc EXIT (offset +4)
- BiosCode[Offset++] = 0x04;
-
- BiosCode[Offset++] = 0xFB; // sti
-
- // HACK: The following instruction should be HLT!
- BiosCode[Offset++] = 0x90; // nop
-
- BiosCode[Offset++] = 0xEB; // jmp BOP_SEQ (offset -11)
- BiosCode[Offset++] = 0xF5;
-
-// EXIT:
- BiosCode[Offset++] = 0x44; // inc sp
- BiosCode[Offset++] = 0x44; // inc sp
-
- BiosCode[Offset++] = 0xCF; // iret
-
+VOID InitializeInt32(VOID)
+{
/* Register the Control BOP */
RegisterBop(BOP_CONTROL, ControlBop);
}
-VOID RegisterInt32(BYTE IntNumber, EMULATOR_INT32_PROC IntHandler)
-{
- Int32Proc[IntNumber] = IntHandler;
-}
-
/* EOF */
Modified: trunk/reactos/subsystems/ntvdm/int32.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/int32.h?r…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/int32.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/int32.h [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -10,21 +10,39 @@
#ifndef _INT32_H_
#define _INT32_H_
+/* INCLUDES *******************************************************************/
+
+#include "cpu/callback.h"
+
/* DEFINES ********************************************************************/
/* 32-bit Interrupt Identifiers */
#define EMULATOR_MAX_INT32_NUM 0xFF + 1
-#define INT_HANDLER_OFFSET 0x1000
-#define COMMON_STUB_OFFSET 0x2000
+extern const ULONG Int16To32StubSize;
/* FUNCTIONS ******************************************************************/
typedef VOID (WINAPI *EMULATOR_INT32_PROC)(LPWORD Stack);
-VOID WINAPI Int32Dispatch(LPWORD Stack);
-VOID InitializeInt32(WORD BiosSegment);
-VOID RegisterInt32(BYTE IntNumber, EMULATOR_INT32_PROC IntHandler);
+ULONG
+RegisterInt16(IN ULONG FarPtr,
+ IN BYTE IntNumber,
+ IN LPBYTE CallbackCode,
+ IN SIZE_T CallbackSize,
+ OUT PSIZE_T CodeSize OPTIONAL);
+
+ULONG
+RegisterInt32(IN ULONG FarPtr,
+ IN BYTE IntNumber,
+ IN EMULATOR_INT32_PROC IntHandler,
+ OUT PSIZE_T CodeSize OPTIONAL);
+
+VOID
+Int32Call(IN PCALLBACK16 Context,
+ IN BYTE IntNumber);
+
+VOID InitializeInt32(VOID);
#endif // _INT32_H_
Modified: trunk/reactos/subsystems/ntvdm/registers.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/registers…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/registers.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/registers.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -11,23 +11,9 @@
#define NDEBUG
#include "emulator.h"
+#include "cpu/cpu.h"
/* PUBLIC FUNCTIONS ***********************************************************/
-
-static inline BOOLEAN EmulatorGetFlag(ULONG Flag)
-{
- return (EmulatorContext.Flags.Long & Flag) ? TRUE : FALSE;
-}
-
-static inline VOID EmulatorSetFlag(ULONG Flag)
-{
- EmulatorContext.Flags.Long |= Flag;
-}
-
-static inline VOID EmulatorClearFlag(ULONG Flag)
-{
- EmulatorContext.Flags.Long &= ~Flag;
-}
VOID EmulatorSetStack(WORD Segment, DWORD Offset)
{
@@ -405,7 +391,7 @@
WINAPI
setEIP(ULONG Value)
{
- EmulatorExecute(getCS(), Value);
+ CpuExecute(getCS(), Value);
}
USHORT
@@ -419,7 +405,7 @@
WINAPI
setIP(USHORT Value)
{
- EmulatorExecute(getCS(), Value);
+ CpuExecute(getCS(), Value);
}
@@ -514,136 +500,112 @@
WINAPI
getCF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_CF);
+ return EmulatorContext.Flags.Cf;
}
VOID
WINAPI
setCF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_CF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_CF);
+ EmulatorContext.Flags.Cf = !!(Flag & 1);
}
ULONG
WINAPI
getPF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_PF);
+ return EmulatorContext.Flags.Pf;
}
VOID
WINAPI
setPF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_PF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_PF);
+ EmulatorContext.Flags.Pf = !!(Flag & 1);
}
ULONG
WINAPI
getAF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_AF);
+ return EmulatorContext.Flags.Af;
}
VOID
WINAPI
setAF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_AF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_AF);
+ EmulatorContext.Flags.Af = !!(Flag & 1);
}
ULONG
WINAPI
getZF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_ZF);
+ return EmulatorContext.Flags.Zf;
}
VOID
WINAPI
setZF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_ZF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_ZF);
+ EmulatorContext.Flags.Zf = !!(Flag & 1);
}
ULONG
WINAPI
getSF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_SF);
+ return EmulatorContext.Flags.Sf;
}
VOID
WINAPI
setSF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_SF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_SF);
+ EmulatorContext.Flags.Sf = !!(Flag & 1);
}
ULONG
WINAPI
getIF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_IF);
+ return EmulatorContext.Flags.If;
}
VOID
WINAPI
setIF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_IF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_IF);
+ EmulatorContext.Flags.If = !!(Flag & 1);
}
ULONG
WINAPI
getDF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_DF);
+ return EmulatorContext.Flags.Df;
}
VOID
WINAPI
setDF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_DF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_DF);
+ EmulatorContext.Flags.Df = !!(Flag & 1);
}
ULONG
WINAPI
getOF(VOID)
{
- return EmulatorGetFlag(EMULATOR_FLAG_OF);
+ return EmulatorContext.Flags.Of;
}
VOID
WINAPI
setOF(ULONG Flag)
{
- if (Flag & 1)
- EmulatorSetFlag(EMULATOR_FLAG_OF);
- else
- EmulatorClearFlag(EMULATOR_FLAG_OF);
+ EmulatorContext.Flags.Of = !!(Flag & 1);
}
Modified: trunk/reactos/subsystems/ntvdm/vddsup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/ntvdm/vddsup.c?…
==============================================================================
--- trunk/reactos/subsystems/ntvdm/vddsup.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/ntvdm/vddsup.c [iso-8859-1] Tue Sep 30 23:47:23 2014
@@ -13,8 +13,7 @@
#include "emulator.h"
#include "vddsup.h"
-#include "bop.h"
-
+#include "cpu/bop.h"
#include <isvbop.h>
typedef VOID (WINAPI *VDD_PROC)(VOID);
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hbelusca＠svn.reactos.org