mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-01 12:53:27 +01:00
586 lines
17 KiB
C
586 lines
17 KiB
C
/** @file
|
|
|
|
Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Uefi.h>
|
|
#include "Edb.h"
|
|
|
|
EFI_DEBUGGER_PRIVATE_DATA mDebuggerPrivate = {
|
|
EFI_DEBUGGER_SIGNATURE, // Signature
|
|
IsaEbc, // Isa
|
|
(EBC_DEBUGGER_MAJOR_VERSION << 16) |
|
|
EBC_DEBUGGER_MINOR_VERSION, // EfiDebuggerRevision
|
|
(VM_MAJOR_VERSION << 16) |
|
|
VM_MINOR_VERSION, // EbcVmRevision
|
|
{
|
|
EFI_DEBUGGER_CONFIGURATION_VERSION,
|
|
&mDebuggerPrivate,
|
|
}, // DebuggerConfiguration
|
|
NULL, // DebugImageInfoTableHeader
|
|
NULL, // Vol
|
|
NULL, // PciRootBridgeIo
|
|
mDebuggerCommandSet, // DebuggerCommandSet
|
|
{0}, // DebuggerSymbolContext
|
|
0, // DebuggerBreakpointCount
|
|
{{0}}, // DebuggerBreakpointContext
|
|
0, // CallStackEntryCount
|
|
{{0}}, // CallStackEntry
|
|
0, // TraceEntryCount
|
|
{{0}}, // TraceEntry
|
|
{0}, // StepContext
|
|
{0}, // GoTilContext
|
|
0, // InstructionScope
|
|
EFI_DEBUG_DEFAULT_INSTRUCTION_NUMBER, // InstructionNumber
|
|
EFI_DEBUG_FLAG_EBC_BOE | EFI_DEBUG_FLAG_EBC_BOT, // FeatureFlags
|
|
0, // StatusFlags
|
|
FALSE, // EnablePageBreak
|
|
NULL // BreakEvent
|
|
};
|
|
|
|
CHAR16 *mExceptionStr[] = {
|
|
L"EXCEPT_EBC_UNDEFINED",
|
|
L"EXCEPT_EBC_DIVIDE_ERROR",
|
|
L"EXCEPT_EBC_DEBUG",
|
|
L"EXCEPT_EBC_BREAKPOINT",
|
|
L"EXCEPT_EBC_OVERFLOW",
|
|
L"EXCEPT_EBC_INVALID_OPCODE",
|
|
L"EXCEPT_EBC_STACK_FAULT",
|
|
L"EXCEPT_EBC_ALIGNMENT_CHECK",
|
|
L"EXCEPT_EBC_INSTRUCTION_ENCODING",
|
|
L"EXCEPT_EBC_BAD_BREAK",
|
|
L"EXCEPT_EBC_SINGLE_STEP",
|
|
};
|
|
|
|
/**
|
|
|
|
Clear all the breakpoint.
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
@param NeedRemove Whether need to remove all the breakpoint
|
|
|
|
**/
|
|
VOID
|
|
EdbClearAllBreakpoint (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN BOOLEAN NeedRemove
|
|
)
|
|
{
|
|
UINTN Index;
|
|
|
|
//
|
|
// Patch all the breakpoint
|
|
//
|
|
for (Index = 0; (Index < DebuggerPrivate->DebuggerBreakpointCount) && (Index < EFI_DEBUGGER_BREAKPOINT_MAX); Index++) {
|
|
if (DebuggerPrivate->DebuggerBreakpointContext[Index].State) {
|
|
CopyMem (
|
|
(VOID *)(UINTN)DebuggerPrivate->DebuggerBreakpointContext[Index].BreakpointAddress,
|
|
&DebuggerPrivate->DebuggerBreakpointContext[Index].OldInstruction,
|
|
sizeof(UINT16)
|
|
);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Zero Breakpoint context, if need to remove all breakpoint
|
|
//
|
|
if (NeedRemove) {
|
|
DebuggerPrivate->DebuggerBreakpointCount = 0;
|
|
ZeroMem (DebuggerPrivate->DebuggerBreakpointContext, sizeof(DebuggerPrivate->DebuggerBreakpointContext));
|
|
}
|
|
|
|
//
|
|
// Done
|
|
//
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
|
|
Set all the breakpoint.
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
|
|
**/
|
|
VOID
|
|
EdbSetAllBreakpoint (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate
|
|
)
|
|
{
|
|
UINTN Index;
|
|
UINT16 Data16;
|
|
|
|
//
|
|
// Set all the breakpoint (BREAK(3) : 0x0300)
|
|
//
|
|
Data16 = 0x0300;
|
|
for (Index = 0; (Index < DebuggerPrivate->DebuggerBreakpointCount) && (Index < EFI_DEBUGGER_BREAKPOINT_MAX); Index++) {
|
|
if (DebuggerPrivate->DebuggerBreakpointContext[Index].State) {
|
|
CopyMem (
|
|
(VOID *)(UINTN)DebuggerPrivate->DebuggerBreakpointContext[Index].BreakpointAddress,
|
|
&Data16,
|
|
sizeof(UINT16)
|
|
);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Check if current break is caused by breakpoint set.
|
|
// If so, we need to patch memory back to let user see the real memory.
|
|
//
|
|
if (DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX].BreakpointAddress != 0) {
|
|
CopyMem (
|
|
(VOID *)(UINTN)DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX].BreakpointAddress,
|
|
&DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX].OldInstruction,
|
|
sizeof(UINT16)
|
|
);
|
|
DebuggerPrivate->StatusFlags &= ~EFI_DEBUG_FLAG_EBC_B_BP;
|
|
}
|
|
|
|
//
|
|
// Done
|
|
//
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
|
|
Check all the breakpoint, if match, then set status flag, and record current breakpoint.
|
|
Then clear all breakpoint to let user see a clean memory
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
@param SystemContext EBC system context.
|
|
|
|
**/
|
|
VOID
|
|
EdbCheckBreakpoint (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN EFI_SYSTEM_CONTEXT SystemContext
|
|
)
|
|
{
|
|
UINT64 Address;
|
|
UINTN Index;
|
|
BOOLEAN IsHitBreakpoint;
|
|
|
|
//
|
|
// Roll back IP for breakpoint instruction (BREAK(3) : 0x0300)
|
|
//
|
|
Address = SystemContext.SystemContextEbc->Ip - sizeof(UINT16);
|
|
|
|
//
|
|
// Check if the breakpoint is hit
|
|
//
|
|
IsHitBreakpoint = FALSE;
|
|
for (Index = 0; (Index < DebuggerPrivate->DebuggerBreakpointCount) && (Index < EFI_DEBUGGER_BREAKPOINT_MAX); Index++) {
|
|
if ((DebuggerPrivate->DebuggerBreakpointContext[Index].BreakpointAddress == Address) &&
|
|
(DebuggerPrivate->DebuggerBreakpointContext[Index].State)) {
|
|
IsHitBreakpoint = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (IsHitBreakpoint) {
|
|
//
|
|
// If hit, record current breakpoint
|
|
//
|
|
DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX] = DebuggerPrivate->DebuggerBreakpointContext[Index];
|
|
DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX].State = TRUE;
|
|
//
|
|
// Update: IP and Instruction (NOTE: Since we not allow set breakpoint to BREAK 3, this update is safe)
|
|
//
|
|
SystemContext.SystemContextEbc->Ip = Address;
|
|
//
|
|
// Set Flags
|
|
//
|
|
DebuggerPrivate->StatusFlags |= EFI_DEBUG_FLAG_EBC_BP;
|
|
} else {
|
|
//
|
|
// If not hit, check whether current IP is in breakpoint list,
|
|
// because STEP will be triggered before execute the instruction.
|
|
// We should not patch it in de-init.
|
|
//
|
|
Address = SystemContext.SystemContextEbc->Ip;
|
|
|
|
//
|
|
// Check if the breakpoint is hit
|
|
//
|
|
IsHitBreakpoint = FALSE;
|
|
for (Index = 0; (Index < DebuggerPrivate->DebuggerBreakpointCount) && (Index < EFI_DEBUGGER_BREAKPOINT_MAX); Index++) {
|
|
if ((DebuggerPrivate->DebuggerBreakpointContext[Index].BreakpointAddress == Address) &&
|
|
(DebuggerPrivate->DebuggerBreakpointContext[Index].State)) {
|
|
IsHitBreakpoint = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (IsHitBreakpoint) {
|
|
//
|
|
// If hit, record current breakpoint
|
|
//
|
|
DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX] = DebuggerPrivate->DebuggerBreakpointContext[Index];
|
|
DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX].State = TRUE;
|
|
//
|
|
// Do not set Breakpoint flag. We record the address here just let it not patch breakpoint address when de-init.
|
|
//
|
|
} else {
|
|
//
|
|
// Zero current breakpoint
|
|
//
|
|
ZeroMem (
|
|
&DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX],
|
|
sizeof(DebuggerPrivate->DebuggerBreakpointContext[EFI_DEBUGGER_BREAKPOINT_MAX])
|
|
);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Done
|
|
//
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
clear all the symbol.
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
|
|
**/
|
|
VOID
|
|
EdbClearSymbol (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate
|
|
)
|
|
{
|
|
EFI_DEBUGGER_SYMBOL_CONTEXT *DebuggerSymbolContext;
|
|
EFI_DEBUGGER_SYMBOL_OBJECT *Object;
|
|
UINTN ObjectIndex;
|
|
UINTN Index;
|
|
|
|
//
|
|
// Go throuth each object
|
|
//
|
|
DebuggerSymbolContext = &DebuggerPrivate->DebuggerSymbolContext;
|
|
for (ObjectIndex = 0; ObjectIndex < DebuggerSymbolContext->ObjectCount; ObjectIndex++) {
|
|
Object = &DebuggerSymbolContext->Object[ObjectIndex];
|
|
//
|
|
// Go throuth each entry
|
|
//
|
|
for (Index = 0; Index < Object->EntryCount; Index++) {
|
|
ZeroMem (&Object->Entry[Index], sizeof(Object->Entry[Index]));
|
|
}
|
|
ZeroMem (Object->Name, sizeof(Object->Name));
|
|
Object->EntryCount = 0;
|
|
Object->BaseAddress = 0;
|
|
Object->StartEntrypointRVA = 0;
|
|
Object->MainEntrypointRVA = 0;
|
|
//
|
|
// Free source buffer
|
|
//
|
|
for (Index = 0; Object->SourceBuffer[Index] != NULL; Index++) {
|
|
gBS->FreePool (Object->SourceBuffer[Index]);
|
|
Object->SourceBuffer[Index] = NULL;
|
|
}
|
|
}
|
|
DebuggerSymbolContext->ObjectCount = 0;
|
|
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
|
|
Initialize Debugger private data structure
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
@param ExceptionType Exception type.
|
|
@param SystemContext EBC system context.
|
|
@param Initialized Whether the DebuggerPrivate data is initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
InitDebuggerPrivateData (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN EFI_EXCEPTION_TYPE ExceptionType,
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
|
IN BOOLEAN Initialized
|
|
)
|
|
{
|
|
//
|
|
// clear STEP flag in any condition.
|
|
//
|
|
if (SystemContext.SystemContextEbc->Flags & ((UINT64) VMFLAGS_STEP)) {
|
|
SystemContext.SystemContextEbc->Flags &= ~((UINT64) VMFLAGS_STEP);
|
|
}
|
|
|
|
if (!Initialized) {
|
|
//
|
|
// Initialize everything
|
|
//
|
|
DebuggerPrivate->InstructionNumber = EFI_DEBUG_DEFAULT_INSTRUCTION_NUMBER;
|
|
|
|
DebuggerPrivate->DebuggerBreakpointCount = 0;
|
|
ZeroMem (DebuggerPrivate->DebuggerBreakpointContext, sizeof(DebuggerPrivate->DebuggerBreakpointContext));
|
|
|
|
// DebuggerPrivate->StatusFlags = 0;
|
|
|
|
DebuggerPrivate->DebuggerSymbolContext.DisplaySymbol = TRUE;
|
|
DebuggerPrivate->DebuggerSymbolContext.DisplayCodeOnly = FALSE;
|
|
DebuggerPrivate->DebuggerSymbolContext.ObjectCount = 0;
|
|
} else {
|
|
//
|
|
// Already initialized, just check Breakpoint here.
|
|
//
|
|
if (ExceptionType == EXCEPT_EBC_BREAKPOINT) {
|
|
EdbCheckBreakpoint (DebuggerPrivate, SystemContext);
|
|
}
|
|
|
|
//
|
|
// Clear all breakpoint
|
|
//
|
|
EdbClearAllBreakpoint (DebuggerPrivate, FALSE);
|
|
}
|
|
|
|
//
|
|
// Set Scope to currentl IP. (Note: Check Breakpoint may change Ip)
|
|
//
|
|
DebuggerPrivate->InstructionScope = SystemContext.SystemContextEbc->Ip;
|
|
|
|
//
|
|
// Done
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
|
|
De-initialize Debugger private data structure.
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
@param ExceptionType Exception type.
|
|
@param SystemContext EBC system context.
|
|
@param Initialized Whether the DebuggerPrivate data is initialized.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
DeinitDebuggerPrivateData (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN EFI_EXCEPTION_TYPE ExceptionType,
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
|
IN BOOLEAN Initialized
|
|
)
|
|
{
|
|
if (!Initialized) {
|
|
//
|
|
// If it does not want initialized state, de-init everything
|
|
//
|
|
DebuggerPrivate->FeatureFlags = EFI_DEBUG_FLAG_EBC_BOE | EFI_DEBUG_FLAG_EBC_BOT;
|
|
DebuggerPrivate->CallStackEntryCount = 0;
|
|
DebuggerPrivate->TraceEntryCount = 0;
|
|
ZeroMem (DebuggerPrivate->CallStackEntry, sizeof(DebuggerPrivate->CallStackEntry));
|
|
ZeroMem (DebuggerPrivate->TraceEntry, sizeof(DebuggerPrivate->TraceEntry));
|
|
|
|
//
|
|
// Clear all breakpoint
|
|
//
|
|
EdbClearAllBreakpoint (DebuggerPrivate, TRUE);
|
|
|
|
//
|
|
// Clear symbol
|
|
//
|
|
EdbClearSymbol (DebuggerPrivate);
|
|
} else {
|
|
//
|
|
// If it wants to keep initialized state, just set breakpoint.
|
|
//
|
|
EdbSetAllBreakpoint (DebuggerPrivate);
|
|
}
|
|
|
|
//
|
|
// Clear Step context
|
|
//
|
|
ZeroMem (&mDebuggerPrivate.StepContext, sizeof(mDebuggerPrivate.StepContext));
|
|
DebuggerPrivate->StatusFlags = 0;
|
|
|
|
//
|
|
// Done
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
|
|
Print the reason of current break to EbcDebugger.
|
|
|
|
@param DebuggerPrivate EBC Debugger private data structure
|
|
@param ExceptionType Exception type.
|
|
@param SystemContext EBC system context.
|
|
@param Initialized Whether the DebuggerPrivate data is initialized.
|
|
|
|
**/
|
|
VOID
|
|
PrintExceptionReason (
|
|
IN EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
|
|
IN EFI_EXCEPTION_TYPE ExceptionType,
|
|
IN EFI_SYSTEM_CONTEXT SystemContext,
|
|
IN BOOLEAN Initialized
|
|
)
|
|
{
|
|
//
|
|
// Print break status
|
|
//
|
|
if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_GT) == EFI_DEBUG_FLAG_EBC_GT) {
|
|
EDBPrint (L"Break on GoTil\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOC) == EFI_DEBUG_FLAG_EBC_BOC) {
|
|
EDBPrint (L"Break on CALL\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOCX) == EFI_DEBUG_FLAG_EBC_BOCX) {
|
|
EDBPrint (L"Break on CALLEX\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOR) == EFI_DEBUG_FLAG_EBC_BOR) {
|
|
EDBPrint (L"Break on RET\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOE) == EFI_DEBUG_FLAG_EBC_BOE) {
|
|
EDBPrint (L"Break on Entrypoint\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOT) == EFI_DEBUG_FLAG_EBC_BOT) {
|
|
EDBPrint (L"Break on Thunk\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_STEPOVER) == EFI_DEBUG_FLAG_EBC_STEPOVER) {
|
|
EDBPrint (L"Break on StepOver\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_STEPOUT) == EFI_DEBUG_FLAG_EBC_STEPOUT) {
|
|
EDBPrint (L"Break on StepOut\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BP) == EFI_DEBUG_FLAG_EBC_BP) {
|
|
EDBPrint (L"Break on Breakpoint\n");
|
|
} else if ((DebuggerPrivate->StatusFlags & EFI_DEBUG_FLAG_EBC_BOK) == EFI_DEBUG_FLAG_EBC_BOK) {
|
|
EDBPrint (L"Break on Key\n");
|
|
} else {
|
|
EDBPrint (L"Exception Type - %x", (UINTN)ExceptionType);
|
|
if ((ExceptionType >= EXCEPT_EBC_UNDEFINED) && (ExceptionType <= EXCEPT_EBC_STEP)) {
|
|
EDBPrint (L" (%s)\n", mExceptionStr[ExceptionType]);
|
|
} else {
|
|
EDBPrint (L"\n");
|
|
}
|
|
}
|
|
|
|
return ;
|
|
}
|
|
|
|
/**
|
|
|
|
The default Exception Callback for the VM interpreter.
|
|
In this function, we report status code, and print debug information
|
|
about EBC_CONTEXT, then dead loop.
|
|
|
|
@param ExceptionType Exception type.
|
|
@param SystemContext EBC system context.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
EdbExceptionHandler (
|
|
IN EFI_EXCEPTION_TYPE ExceptionType,
|
|
IN OUT EFI_SYSTEM_CONTEXT SystemContext
|
|
)
|
|
{
|
|
CHAR16 InputBuffer[EFI_DEBUG_INPUS_BUFFER_SIZE];
|
|
CHAR16 *CommandArg;
|
|
EFI_DEBUGGER_COMMAND DebuggerCommand;
|
|
EFI_DEBUG_STATUS DebugStatus;
|
|
STATIC BOOLEAN mInitialized;
|
|
|
|
mInitialized = FALSE;
|
|
|
|
DEBUG ((DEBUG_ERROR, "Hello EBC Debugger!\n"));
|
|
|
|
if (!mInitialized) {
|
|
//
|
|
// Print version
|
|
//
|
|
EDBPrint (
|
|
L"EBC Interpreter Version - %d.%d\n",
|
|
(UINTN)VM_MAJOR_VERSION,
|
|
(UINTN)VM_MINOR_VERSION
|
|
);
|
|
EDBPrint (
|
|
L"EBC Debugger Version - %d.%d\n",
|
|
(UINTN)EBC_DEBUGGER_MAJOR_VERSION,
|
|
(UINTN)EBC_DEBUGGER_MINOR_VERSION
|
|
);
|
|
}
|
|
//
|
|
// Init Private Data
|
|
//
|
|
InitDebuggerPrivateData (&mDebuggerPrivate, ExceptionType, SystemContext, mInitialized);
|
|
|
|
//
|
|
// EDBPrint basic info
|
|
//
|
|
PrintExceptionReason (&mDebuggerPrivate, ExceptionType, SystemContext, mInitialized);
|
|
|
|
EdbShowDisasm (&mDebuggerPrivate, SystemContext);
|
|
// EFI_BREAKPOINT ();
|
|
|
|
if (!mInitialized) {
|
|
//
|
|
// Interactive with user
|
|
//
|
|
EDBPrint (L"\nPlease enter command now, \'h\' for help.\n");
|
|
EDBPrint (L"(Using <Command> -b <...> to enable page break.)\n");
|
|
}
|
|
mInitialized = TRUE;
|
|
|
|
//
|
|
// Dispatch each command
|
|
//
|
|
while (TRUE) {
|
|
//
|
|
// Get user input
|
|
//
|
|
Input (L"\n\r" EFI_DEBUG_PROMPT_STRING, InputBuffer, EFI_DEBUG_INPUS_BUFFER_SIZE);
|
|
EDBPrint (L"\n");
|
|
|
|
//
|
|
// Get command
|
|
//
|
|
DebuggerCommand = MatchDebuggerCommand (InputBuffer, &CommandArg);
|
|
if (DebuggerCommand == NULL) {
|
|
EDBPrint (L"ERROR: Command not found!\n");
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Check PageBreak;
|
|
//
|
|
if (CommandArg != NULL) {
|
|
if (StriCmp (CommandArg, L"-b") == 0) {
|
|
CommandArg = StrGetNextTokenLine (L" ");
|
|
mDebuggerPrivate.EnablePageBreak = TRUE;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Dispatch command
|
|
//
|
|
DebugStatus = DebuggerCommand (CommandArg, &mDebuggerPrivate, ExceptionType, SystemContext);
|
|
mDebuggerPrivate.EnablePageBreak = FALSE;
|
|
|
|
//
|
|
// Check command return status
|
|
//
|
|
if (DebugStatus == EFI_DEBUG_RETURN) {
|
|
mInitialized = FALSE;
|
|
break;
|
|
} else if (DebugStatus == EFI_DEBUG_BREAK) {
|
|
break;
|
|
} else if (DebugStatus == EFI_DEBUG_CONTINUE) {
|
|
continue;
|
|
} else {
|
|
ASSERT (FALSE);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Deinit Private Data
|
|
//
|
|
DeinitDebuggerPrivateData (&mDebuggerPrivate, ExceptionType, SystemContext, mInitialized);
|
|
|
|
DEBUG ((DEBUG_ERROR, "Goodbye EBC Debugger!\n"));
|
|
|
|
return;
|
|
}
|