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Added dump command

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This commit is contained in:
Alex 2022-12-08 19:15:34 +02:00
parent 1317dc53fa
commit eea4a9eae1
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 68 additions and 10 deletions
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78
Core/Crash/CrashHandler.cpp
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@ -40,6 +40,42 @@ namespace CrashHandler
va_end(args);
}
SafeFunction void EHDumpData(void *Address, unsigned long Length)
{
EHPrint("-------------------------------------------------------------------------\n");
Display->SetBuffer(SBIdx);
unsigned char *AddressChar = (unsigned char *)Address;
unsigned char Buffer[17];
unsigned long Iterate;
for (Iterate = 0; Iterate < Length; Iterate++)
{
if ((Iterate % 16) == 0)
{
if (Iterate != 0)
EHPrint(" \e8A78FF%s\eAABBCC\n", Buffer);
EHPrint(" \e9E9E9E%04x\eAABBCC ", Iterate);
Display->SetBuffer(SBIdx);
}
EHPrint(" \e4287f5%02x\eAABBCC", AddressChar[Iterate]);
if ((AddressChar[Iterate] < 0x20) || (AddressChar[Iterate] > 0x7e))
Buffer[Iterate % 16] = '.';
else
Buffer[Iterate % 16] = AddressChar[Iterate];
Buffer[(Iterate % 16) + 1] = '\0';
}
while ((Iterate % 16) != 0)
{
EHPrint(" ");
Display->SetBuffer(SBIdx);
Iterate++;
}
EHPrint(" \e8A78FF%s\eAABBCC\n", Buffer);
EHPrint("-------------------------------------------------------------------------\n\n.");
Display->SetBuffer(SBIdx);
}
SafeFunction char *TrimWhiteSpace(char *str)
{
char *end;
@ -216,12 +252,14 @@ namespace CrashHandler
EHPrint("bitmap - Print the memory bitmap\n");
EHPrint("cr<INDEX> - Print the CPU control register\n");
EHPrint("tss <CORE> - Print the CPU task state segment\n");
EHPrint("dump <ADDRESS HEX> <LENGTH DEC> - Dump memory\n");
EHPrint(" - \eFF4400WARNING: This can crash the system if you try to read from an unmapped page.\eFAFAFA\n");
EHPrint("main - Show the main screen.\n");
EHPrint("details - Show the details screen.\n");
EHPrint("frames - Show the stack frame screen.\n");
EHPrint("tasks - Show the tasks screen.\n");
EHPrint("console - Show the console screen.\n");
EHPrint("Also, you can use the arrow keys to navigate the menu.\n");
EHPrint("Also, you can use the arrow keys to navigate between the screens.\n");
EHPrint("=========================================================================\n");
EHPrint("Kernel Compiled at: %s %s with C++ Standard: %d\n", __DATE__, __TIME__, CPP_LANGUAGE_STANDARD);
EHPrint("C++ Language Version (__cplusplus): %ld\n", __cplusplus);
@ -442,7 +480,7 @@ namespace CrashHandler
EHPrint("\eFAFAFAStack Pointer 0: \eAABB22%#lx\n", tss.StackPointer[0]);
EHPrint("\eFAFAFAStack Pointer 1: \eAABB22%#lx\n", tss.StackPointer[1]);
EHPrint("\eFAFAFAStack Pointer 2: \eAABB22%#lx\n", tss.StackPointer[2]);
EHPrint("\eFAFAFAInterrupt Stack Table: \eAABB22%#lx\n", tss.InterruptStackTable[0]);
EHPrint("\eFAFAFAInterrupt Stack Table: \eAABB22%#lx\n", tss.InterruptStackTable[1]);
EHPrint("\eFAFAFAInterrupt Stack Table: \eAABB22%#lx\n", tss.InterruptStackTable[2]);
@ -458,6 +496,23 @@ namespace CrashHandler
EHPrint("\eFAFAFAReserved 2: \eAABB22%#lx\n", tss.Reserved2);
}
}
else if (strncmp(Input, "dump", 4) == 0)
{
char *arg = TrimWhiteSpace(Input + 4);
char *addr = strtok(arg, " ");
char *len = strtok(NULL, " ");
if (addr == NULL || len == NULL)
{
EHPrint("\eFF0000Invalid arguments\n");
}
else
{
uint64_t Address = strtoul(addr, NULL, 16);
uint64_t Length = strtoul(len, NULL, 10);
debug("Dumping %ld bytes from %#lx\n", Length, Address);
EHDumpData((void *)Address, Length);
}
}
else if (strcmp(Input, "main") == 0)
{
SBIdx = 255;
@ -493,11 +548,9 @@ namespace CrashHandler
DisplayConsoleScreen(crashdata);
Display->SetBuffer(SBIdx);
}
else
{
if (strlen(Input) > 0)
EHPrint("Unknown command: %s", Input);
}
else if (strlen(Input) > 0)
EHPrint("Unknown command: %s", Input);
DisplayBottomOverlay();
Display->SetBuffer(SBIdx);
}
@ -520,9 +573,7 @@ namespace CrashHandler
debug("Exception in kernel mode");
if (TaskManager)
TaskManager->Panic();
debug("ePanicSchedStop");
Display->CreateBuffer(0, 0, SBIdx);
debug("e0");
}
else
{
@ -538,7 +589,14 @@ namespace CrashHandler
else
{
debug("CPU %ld data is valid", data->ID);
if (data->CurrentThread)
if (data->CurrentThread->Security.IsCritical)
{
debug("Critical thread died");
if (TaskManager)
TaskManager->Panic();
Display->CreateBuffer(0, 0, SBIdx);
}
else
{
debug("Current thread is valid %#lx", data->CurrentThread);
UserModeExceptionHandler(Frame);