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ia32.c
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/***************************************************************************
*
* Copyright (c) 1997, 1998 Timpanogas Research Group, Inc. All Rights
* Reserved.
*
* AUTHOR : Jeff V. Merkey
* FILE : IA32.C
* DESCRIP : Multi-Processing IA32 specific Debugger code MANOS v1.0
* DATE : December 28, 1997
*
*
***************************************************************************/
#include "stdarg.h"
#include "stdio.h"
#include "stdlib.h"
#include "ctype.h"
#include "string.h"
#include "kernel.h"
#include "keyboard.h"
#include "screen.h"
#include "types.h"
#include "emit.h"
#include "os.h"
#include "dos.h"
#include "tss.h"
#include "mps.h"
#include "hal.h"
#include "xcall.h"
#include "window.h"
#include "line.h"
#include "loader.h"
#include "menu.h"
#include "rlock.h"
#include "event.h"
#include "debug.h"
#include "dparse.h"
#include "ia32.h"
#include "altdebug.h"
BYTE *IA32Flags[]={
"CF", 0, "PF", 0, "AF", 0, "ZF", "SF", "TF", "IF", "DF", "OF",
0, 0, "NT", 0, "RF", "VM", "AC", "VIF","VIP","ID", 0, 0,
0,
};
BYTE *BreakDescription[]={
"EXECUTE", "WRITE", "IOPORT", "READ/WRITE",
};
BYTE *BreakLengthDescription[]={
": 1 BYTE", ": 2 BYTE", ": ??????", ": 4 BYTE",
};
BYTE *ExceptionDescription[]={
"Divide By Zero", // 0
"Debugger Exception (INT1)", // 1
"Non-Maskable Interrupt", // 2
"Debugger Breakpoint (INT3)", // 3
"Overflow Exception", // 4
"Bounds Check", // 5
"Invalid Opcode", // 6
"No Coprocessor", // 7
"Double Fault", // 8
"Cops", // 9
"Invalid Task State Segment", // 10
"Segment Not Present", // 11
"Stack Exception", // 12
"General Protection", // 13
"Page Fault", // 14
"InvalidInterrupt", // 15
"Coprocessor Error", // 16
"AlignmentCheck", // 17
"Machine Check", // 18
"Enter Debugger Request", // 19
"Unvectored Exception", // 20
"Directed NMI Breakpoint", // 21
"Switch Focus Processor", // 22
"PANIC!!! " // 23
};
BYTE char32spc[] = { "xxxúxxxúxxxúxxxùxxxúxxxúxxxúxxx " };
BYTE flset[] = { "VMRF NT OFDNIETFMIZR AC PE CY" };
BYTE floff[] = { " UPID PLNZ PO NC" };
BYTE fluse[] = { 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1 };
NUMERIC_FRAME npx[MAX_PROCESSORS];
LONG MTRR_BASE_REGS[] = {
MTRR_PHYS_BASE_0, MTRR_PHYS_BASE_1, MTRR_PHYS_BASE_2, MTRR_PHYS_BASE_3,
MTRR_PHYS_BASE_4, MTRR_PHYS_BASE_5, MTRR_PHYS_BASE_6, MTRR_PHYS_BASE_7
};
LONG MTRR_MASK_VALUES[] = {
MTRR_PHYS_MASK_0, MTRR_PHYS_MASK_1, MTRR_PHYS_MASK_2, MTRR_PHYS_MASK_3,
MTRR_PHYS_MASK_4, MTRR_PHYS_MASK_5, MTRR_PHYS_MASK_6, MTRR_PHYS_MASK_7
};
LONG FaultAddressHistory[POOLED_RESOURCES][MAX_PROCESSORS];
LONG FaultEIPHistory[POOLED_RESOURCES][MAX_PROCESSORS];
LONG FaultStackHistory[POOLED_RESOURCES][MAX_PROCESSORS];
LONG FaultNest[MAX_PROCESSORS];
extern LONG BreakReserved[4];
extern LONG BreakPoints[4];
extern LONG BreakType[4];
extern LONG BreakLength[4];
extern LONG BreakTemp[4];
extern LONG BreakGo[4];
extern LONG BreakProceed[4];
extern LONG BreakMask[MAX_PROCESSORS];
extern StackFrame *CurrentFrame[MAX_PROCESSORS];
extern LONG NestedInterrupts[MAX_PROCESSORS];
extern LONG registerDisplay;
extern SCREEN *oldScreen;
extern BYTE BreakCondition[4][100];
extern LONG ConditionalBreakpoint[4];
extern StackFrame lastStackFrame;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG CurrentDR7;
extern LONG CurrentDR6[MAX_PROCESSORS];
extern LONG ExitOSFlag;
extern rlock_t debug_mutex;
// F10
LONG SLDexitToDOSACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
BYTE displayBuffer[100]={""};
register StackFrame *stackFrame = p;
register LONG ekey;
extern LONG debuggerActive;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
sprintf(displayBuffer, "Exiting ... ");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
ExitOSFlag = 1;
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
debuggerActive--;
return -1;
}
// F8
LONG SLDprocessProceedACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
BYTE displayBuffer[100]={""};
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern LONG SourceDebuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
extern LONG BreakReserved[4];
extern LONG BreakPoints[4];
extern LONG BreakType[4];
extern LONG BreakLength[4];
extern LONG BreakTemp[4];
extern LONG BreakGo[4];
extern LONG BreakProceed[4];
extern LONG nextUnasmAddress;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
if (needs_proceed)
{
for (i=0; i < 4; i++)
{
if (!BreakReserved[i])
{
BreakReserved[i] = TRUE;
BreakPoints[i] = nextUnasmAddress;
BreakType[i] = BREAK_EXECUTE;
BreakLength[i] = ONE_BYTE_FIELD;
BreakTemp[i] = TRUE;
BreakProceed[i] = TRUE;
SetDebugRegisters();
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
debuggerActive--;
return -1;
}
}
}
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
debuggerActive--;
return -1;
}
// F7
LONG SLDprocessTraceACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
BYTE displayBuffer[100]={""};
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG SourceDebuggerActive;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
lastCommand = 'T';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Tracing ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
debuggerActive--;
return -1;
}
// F9
LONG SLDprocessGoACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
register LONG address;
LONG valid;
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
ClearTempBreakpoints();
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
if (activeScreen == sourceScreen || activeScreen == debugScreen)
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
// F10
LONG exitToDOSACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
register LONG ekey;
extern LONG debuggerActive;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
printfScreen(screen, "\n");
printfScreen(screen, "Exit to MS-DOS? <y/n> ");
ekey = GetKey();
printfScreen(screen, "%c\n", ekey);
if (toupper(ekey & 0xFF) == 'Y')
{
printfScreen(screen, "Exiting ...\n");
ExitOSFlag = 1;
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
debuggerActive--;
return -1;
}
return TRUE;
}
// F8
LONG processProceedACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
BYTE displayBuffer[100]={""};
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern LONG SourceDebuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
extern LONG BreakReserved[4];
extern LONG BreakPoints[4];
extern LONG BreakType[4];
extern LONG BreakLength[4];
extern LONG BreakTemp[4];
extern LONG BreakGo[4];
extern LONG BreakProceed[4];
extern LONG nextUnasmAddress;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
printfScreen(screen, "\n");
if (needs_proceed)
{
for (i=0; i < 4; i++)
{
if (!BreakReserved[i])
{
BreakReserved[i] = TRUE;
BreakPoints[i] = nextUnasmAddress;
BreakType[i] = BREAK_EXECUTE;
BreakLength[i] = ONE_BYTE_FIELD;
BreakTemp[i] = TRUE;
BreakProceed[i] = TRUE;
SetDebugRegisters();
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
}
printfScreenWithAttribute(screen, BRITEWHITE, "\nNo breakpoint available for Proceed, (single step) instead");
}
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
// F7
LONG processTraceACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
BYTE displayBuffer[100]={""};
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG SourceDebuggerActive;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
printfScreen(screen, "\n");
lastCommand = 'T';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Tracing ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2,
BRITEWHITE | BGCYAN);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
// F9
LONG processGoACC(SCREEN *screen, LONG key, void *p,
ACCELERATOR *accel)
{
register StackFrame *stackFrame = p;
register LONG address;
LONG valid;
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (key) {};
if (p) {};
if (accel) {};
printfScreen(screen, "\n");
ClearTempBreakpoints();
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
LONG executeCommandHelp(SCREEN *screen, BYTE *commandLine, DEBUGGER_PARSER *parser)
{
if (screen) {}
if (commandLine) {}
if (parser) {}
printfScreenWithAttribute(screen, LTCYAN, "t - trace\n");
printfScreenWithAttribute(screen, LTCYAN, "p - proceed\n");
printfScreenWithAttribute(screen, LTCYAN, "g or g <address> - go\n");
printfScreenWithAttribute(screen, LTCYAN, "\n");
printfScreenWithAttribute(screen, LTCYAN, "PF7 - trace\n");
printfScreenWithAttribute(screen, LTCYAN, "PF8 - proceed\n");
printfScreenWithAttribute(screen, LTCYAN, "PF9 - go\n");
return TRUE;
}
// Q, X, QUIT, EXIT
LONG exitToDOS(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
register LONG ekey;
extern LONG debuggerActive;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
printfScreen(screen, "Exit to MS-DOS? <y/n> ");
ekey = GetKey();
printfScreen(screen, "%c\n", ekey);
if (toupper(ekey & 0xFF) == 'Y')
{
printfScreen(screen, "Exiting ...\n");
ExitOSFlag = 1;
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
debuggerActive--;
return -1;
}
return TRUE;
}
// P
LONG processProceed(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
BYTE displayBuffer[100]={""};
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern LONG SourceDebuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
extern LONG BreakReserved[4];
extern LONG BreakPoints[4];
extern LONG BreakType[4];
extern LONG BreakLength[4];
extern LONG BreakTemp[4];
extern LONG BreakGo[4];
extern LONG BreakProceed[4];
extern LONG nextUnasmAddress;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
if (needs_proceed)
{
for (i=0; i < 4; i++)
{
if (!BreakReserved[i])
{
BreakReserved[i] = TRUE;
BreakPoints[i] = nextUnasmAddress;
BreakType[i] = BREAK_EXECUTE;
BreakLength[i] = ONE_BYTE_FIELD;
BreakTemp[i] = TRUE;
BreakProceed[i] = TRUE;
SetDebugRegisters();
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2, BRITEWHITE | BGRED);
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
}
printfScreenWithAttribute(screen, BRITEWHITE, "\nNo breakpoint available for Proceed, (single step) instead");
}
lastCommand = 'P';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Proceeding ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2, BRITEWHITE | BGRED);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
// T
LONG processTrace(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
BYTE displayBuffer[100]={""};
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG SourceDebuggerActive;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
lastCommand = 'T';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
sprintf(displayBuffer, "Tracing ... (ctrl-esc to halt execution)");
PutVidStringCleol(sourceScreen, displayBuffer,
sourceScreen->nLines - 2, BRITEWHITE | BGRED);
stackFrame->tSystemFlags |= (SINGLE_STEP | RESUME);
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
// G
LONG processGo(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
register LONG address;
LONG valid;
register LONG i;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
extern LONG BreakReserved[4];
extern LONG BreakPoints[4];
extern LONG BreakType[4];
extern LONG BreakLength[4];
extern LONG BreakTemp[4];
extern LONG BreakGo[4];
extern LONG BreakProceed[4];
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
address = EvaluateExpression(stackFrame, &cmd, &valid);
if (valid)
{
for (i=0; i < 4; i++)
{
if (!BreakReserved[i])
{
BreakReserved[i] = TRUE;
BreakPoints[i] = address;
BreakType[i] = BREAK_EXECUTE;
BreakLength[i] = ONE_BYTE_FIELD;
BreakTemp[i] = TRUE;
BreakGo[i] = TRUE;
SetDebugRegisters();
printfScreen(screen, "\n");
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
}
}
else
{
ClearTempBreakpoints();
printfScreen(screen, "\n");
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
printfScreenWithAttribute(screen, BRITEWHITE, "no breakpoint available for GO\n");
return TRUE;
}
LONG processorCommandHelp(SCREEN *screen, BYTE *commandLine, DEBUGGER_PARSER *parser)
{
if (screen) {}
if (commandLine) {}
if (parser) {}
printfScreenWithAttribute(screen, LTCYAN, "lp [p#] - list processor status\n");
printfScreenWithAttribute(screen, LTCYAN, "ls [p#] - switch to a specific processor\n");
printfScreenWithAttribute(screen, LTCYAN, "lb [p#] - signal a specific processor\n");
printfScreenWithAttribute(screen, LTCYAN, "ln [p#] - nmi a specific processor\n");
printfScreenWithAttribute(screen, LTCYAN, "lr [p#] - display processor registers\n");
return TRUE;
}
// LB
LONG breakProcessor(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
register LONG pnum;
LONG valid;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
pnum = EvaluateExpression(stackFrame, &cmd, &valid);
if (valid && pnum < num_procs &&
pnum != get_processor_id() &&
processor_table[pnum].ProcessorState != PROCESSOR_INACTIVE)
{
processor_table[pnum].DebugSignal = TRUE;
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
printfScreen(screen, "\n");
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
else
printfScreenWithAttribute(screen, BRITEWHITE, "invalid processor specified\n");
return TRUE;
}
// LN
LONG breakNMIProcessors(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
register LONG pnum;
LONG valid;
extern BYTE lastCommand;
extern LONG lastCR0;
extern LONG lastCR2;
extern LONG lastCR4;
extern LONG debuggerActive;
extern StackFrame lastStackFrame;
extern SCREEN *oldScreen;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
pnum = EvaluateExpression(stackFrame, &cmd, &valid);
if (valid && pnum < num_procs &&
pnum != get_processor_id() &&
processor_table[pnum].ProcessorState != PROCESSOR_INACTIVE)
{
xcall_processor(pnum, XCALL_DIRECTED, 0, 0, 0);
stackFrame->tSystemFlags &= ~SINGLE_STEP;
stackFrame->tSystemFlags |= RESUME;
printfScreen(screen, "\n");
lastCommand = 'G';
lastCR0 = ReadCR0();
lastCR2 = ReadCR2();
lastCR4 = ReadCR4();
CopyData((LONG *)stackFrame, (LONG *)&lastStackFrame,
sizeof(StackFrame));
SetVideoOwner(oldScreen);
debuggerActive--;
return -1;
}
else
printfScreenWithAttribute(screen, BRITEWHITE, "invalid processor specified\n");
return TRUE;
}
LONG displayEAXHelp(SCREEN *screen, BYTE *commandLine, DEBUGGER_PARSER *parser)
{
if (screen) {}
if (commandLine) {}
if (parser) {}
return TRUE;
}
// EAX
LONG ChangeEAXRegister(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
LONG valid;
register LONG value;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
value = EvaluateExpression(stackFrame, &cmd, &valid);
if (valid)
{
stackFrame->tEAX = value;
printfScreenWithAttribute(screen, BRITEWHITE,
"EAX changed to 0x%08X\n", value);
}
else
printfScreenWithAttribute(screen, BRITEWHITE, "invalid change register command\n");
return TRUE;
}
LONG displayEBXHelp(SCREEN *screen, BYTE *commandLine, DEBUGGER_PARSER *parser)
{
if (screen) {}
if (commandLine) {}
if (parser) {}
return TRUE;
}
// EBX
LONG ChangeEBXRegister(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
LONG valid;
register LONG value;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
value = EvaluateExpression(stackFrame, &cmd, &valid);
if (valid)
{
stackFrame->tEBX = value;
printfScreenWithAttribute(screen, BRITEWHITE,
"EBX changed to 0x%08X\n", value);
}
else
printfScreenWithAttribute(screen, BRITEWHITE, "invalid change register command\n");
return TRUE;
}
LONG displayECXHelp(SCREEN *screen, BYTE *commandLine, DEBUGGER_PARSER *parser)
{
if (screen) {}
if (commandLine) {}
if (parser) {}
return TRUE;
}
// ECX
LONG ChangeECXRegister(SCREEN *screen, BYTE *cmd,
StackFrame *stackFrame, LONG Exception,
DEBUGGER_PARSER *parser)
{
LONG valid;
register LONG value;
if (screen) {};
if (cmd) {};
if (stackFrame) {};
if (Exception) {};
if (parser) {};
cmd = &cmd[parser->debugCommandNameLength];
while (*cmd && *cmd == ' ') cmd++;
value = EvaluateExpression(stackFrame, &cmd, &valid);