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Updated crash screen

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This commit is contained in:
Alex 2023-02-06 19:33:48 +02:00
parent c74d19e9d2
commit 640f6a412a
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
7 changed files with 115 additions and 43 deletions
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39
Core/Crash/CrashDetails.cpp
View File

@ -30,68 +30,76 @@ SafeFunction void DivideByZeroExceptionHandler(CHArchTrapFrame *Frame)
fixme("Divide by zero exception\n");
UNUSED(Frame);
}
SafeFunction void DebugExceptionHandler(CHArchTrapFrame *Frame)
{
CrashHandler::EHPrint("\eDD2920System crashed!\n");
CrashHandler::EHPrint("Kernel triggered debug exception.\n");
UNUSED(Frame);
}
SafeFunction void NonMaskableInterruptExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("NMI exception");
UNUSED(Frame);
}
SafeFunction void BreakpointExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Breakpoint exception");
UNUSED(Frame);
}
SafeFunction void OverflowExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Overflow exception");
UNUSED(Frame);
}
SafeFunction void BoundRangeExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Bound range exception");
UNUSED(Frame);
}
SafeFunction void InvalidOpcodeExceptionHandler(CHArchTrapFrame *Frame)
{
CrashHandler::EHPrint("\eDD2920System crashed!\n");
CrashHandler::EHPrint("Kernel tried to execute an invalid opcode.\n");
UNUSED(Frame);
}
SafeFunction void DeviceNotAvailableExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Device not available exception");
UNUSED(Frame);
}
SafeFunction void DoubleFaultExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Double fault exception");
UNUSED(Frame);
}
SafeFunction void CoprocessorSegmentOverrunExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Coprocessor segment overrun exception");
UNUSED(Frame);
}
SafeFunction void InvalidTSSExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Invalid TSS exception");
UNUSED(Frame);
}
SafeFunction void SegmentNotPresentExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Segment not present exception");
UNUSED(Frame);
}
SafeFunction void StackFaultExceptionHandler(CHArchTrapFrame *Frame)
{
CPU::x64::SelectorErrorCode SelCode = {.raw = Frame->ErrorCode};
CrashHandler::EHPrint("\eDD2920System crashed!\n");
CrashHandler::EHPrint("More info about the exception:\n");
#if defined(__amd64__)
CrashHandler::EHPrint("Stack segment fault at address %#lx\n", Frame->rip);
#elif defined(__i386__)
@ -103,13 +111,9 @@ SafeFunction void StackFaultExceptionHandler(CHArchTrapFrame *Frame)
CrashHandler::EHPrint("Index: %#x\n", SelCode.Idx);
CrashHandler::EHPrint("Error code: %#lx\n", Frame->ErrorCode);
}
SafeFunction void GeneralProtectionExceptionHandler(CHArchTrapFrame *Frame)
{
// staticbuffer(descbuf);
// staticbuffer(desc_ext);
// staticbuffer(desc_table);
// staticbuffer(desc_idx);
// staticbuffer(desc_tmp);
CPU::x64::SelectorErrorCode SelCode = {.raw = Frame->ErrorCode};
// switch (SelCode.Table)
// {
@ -129,21 +133,19 @@ SafeFunction void GeneralProtectionExceptionHandler(CHArchTrapFrame *Frame)
// memcpy(desc_tmp, "Unknown", 7);
// break;
// }
CrashHandler::EHPrint("\eDD2920System crashed!\n");
CrashHandler::EHPrint("Kernel performed an illegal operation.\n");
CrashHandler::EHPrint("More info about the exception:\n");
CrashHandler::EHPrint("External: %d\n", SelCode.External);
CrashHandler::EHPrint("Table: %d\n", SelCode.Table);
CrashHandler::EHPrint("Index: %#x\n", SelCode.Idx);
}
SafeFunction void PageFaultExceptionHandler(CHArchTrapFrame *Frame)
{
CPU::x64::PageFaultErrorCode params = {.raw = (uint32_t)Frame->ErrorCode};
CrashHandler::EHPrint("\eDD2920System crashed!\n\eFFFFFF");
#if defined(__amd64__)
CrashHandler::EHPrint("An exception occurred at %#lx by %#lx\n", CPU::x64::readcr2().PFLA, Frame->rip);
CrashHandler::EHPrint("\eAFAFAFAn exception occurred at %#lx by %#lx\n", CrashHandler::PageFaultAddress, Frame->rip);
#elif defined(__i386__)
CrashHandler::EHPrint("An exception occurred at %#lx by %#lx\n", CPU::x64::readcr2().PFLA, Frame->eip);
CrashHandler::EHPrint("\eAFAFAFAn exception occurred at %#lx by %#lx\n", CrashHandler::PageFaultAddress, Frame->eip);
#elif defined(__aarch64__)
#endif
CrashHandler::EHPrint("Page: %s\n", params.P ? "Present" : "Not Present");
@ -161,7 +163,7 @@ SafeFunction void PageFaultExceptionHandler(CHArchTrapFrame *Frame)
#ifdef DEBUG
uintptr_t CheckPageFaultAddress = 0;
CheckPageFaultAddress = CPU::x64::readcr2().PFLA;
CheckPageFaultAddress = CrashHandler::PageFaultAddress;
if (CheckPageFaultAddress == 0)
#ifdef __amd64__
CheckPageFaultAddress = Frame->rip;
@ -268,36 +270,43 @@ SafeFunction void PageFaultExceptionHandler(CHArchTrapFrame *Frame)
}
#endif
}
SafeFunction void x87FloatingPointExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("x87 floating point exception");
UNUSED(Frame);
}
SafeFunction void AlignmentCheckExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Alignment check exception");
UNUSED(Frame);
}
SafeFunction void MachineCheckExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Machine check exception");
UNUSED(Frame);
}
SafeFunction void SIMDFloatingPointExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("SIMD floating point exception");
UNUSED(Frame);
}
SafeFunction void VirtualizationExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Virtualization exception");
UNUSED(Frame);
}
SafeFunction void SecurityExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Security exception");
UNUSED(Frame);
}
SafeFunction void UnknownExceptionHandler(CHArchTrapFrame *Frame)
{
fixme("Unknown exception");

80
Core/Crash/CrashHandler.cpp
View File

@ -6,6 +6,7 @@
#include <convert.h>
#include <printf.h>
#include <lock.hpp>
#include <rand.hpp>
#include <debug.h>
#include <smp.hpp>
#include <cpu.hpp>
@ -25,9 +26,11 @@ NewLock(UserInputLock);
namespace CrashHandler
{
uintptr_t PageFaultAddress = 0;
void *EHIntFrames[INT_FRAMES_MAX];
static bool ExceptionOccurred = false;
int SBIdx = 255;
SafeFunction void printfWrapper(char c, void *unused)
{
Display->Print(c, SBIdx, true);
@ -146,6 +149,70 @@ namespace CrashHandler
EHPrint(" \eAAF00F%s", CPU::Vendor());
EHPrint(" \eAA00FF%s", CPU::Name());
Display->SetBufferCursor(SBIdx, 0, fi.Height + 10);
/* https://imgflip.com/i/77slbl */
if ((Random::rand32() % 100) >= 98)
{
debug("Easter egg activated!");
int BaseXOffset = sb->Width - 14;
int BaseYOffset = 8;
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 0, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 0, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 0, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 7, BaseYOffset + 0, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 7, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 8, BaseYOffset + 1, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 1, BaseYOffset + 2, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 2, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 2, 0xFFFFFF, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 2, 0x000000, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 2, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 2, 0xFFFFFF, SBIdx);
Display->SetPixel(BaseXOffset + 7, BaseYOffset + 2, 0x000000, SBIdx);
Display->SetPixel(BaseXOffset + 8, BaseYOffset + 2, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 1, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 7, BaseYOffset + 3, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 0, BaseYOffset + 4, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 1, BaseYOffset + 4, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 4, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 4, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 4, 0xA84832, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 4, 0xA84832, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 4, 0xA84832, SBIdx);
Display->SetPixel(BaseXOffset + 7, BaseYOffset + 4, 0xA84832, SBIdx);
Display->SetPixel(BaseXOffset + 0, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 1, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 5, 0x21852E, SBIdx);
Display->SetPixel(BaseXOffset + 0, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 1, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 2, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 3, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 4, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 5, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetPixel(BaseXOffset + 6, BaseYOffset + 6, 0x1216FF, SBIdx);
Display->SetBuffer(SBIdx);
}
}
SafeFunction void DisplayBottomOverlay()
@ -246,7 +313,7 @@ namespace CrashHandler
EHPrint("exit - Shutdown the OS.\n");
EHPrint("reboot - Reboot the OS.\n");
EHPrint("help - Display this help message.\n");
EHPrint("showbuf <INDEX> - Display the contents of a screen buffer.\n");
EHPrint("showbuf,sb <INDEX> - Display the contents of a screen buffer.\n");
EHPrint(" - A sleep timer will be enabled. This will cause the OS to sleep for an unknown amount of time.\n");
EHPrint(" - \eFF4400WARNING: This can crash the system if a wrong buffer is selected.\eFAFAFA\n");
EHPrint("ifr <COUNT> - Show interrupt frames.\n");
@ -281,7 +348,7 @@ namespace CrashHandler
Display->SetBuffer(SBIdx);
CPU::Stop();
}
else if (strncmp(Input, "showbuf", 7) == 0)
else if (strncmp(Input, "showbuf", 7) == 0 || strncmp(Input, "sb", 2) == 0)
{
char *arg = TrimWhiteSpace(Input + 7);
int tmpidx = SBIdx;
@ -475,7 +542,7 @@ namespace CrashHandler
EHPrint("\e44AA000: %#lx\n", CPU::x64::readcr0());
break;
case '2':
EHPrint("\e44AA002: %#lx\n", CPU::x64::readcr2());
EHPrint("\e44AA002: %#lx\n", PageFaultAddress);
break;
case '3':
EHPrint("\e44AA003: %#lx\n", CPU::x64::readcr3());
@ -592,6 +659,7 @@ namespace CrashHandler
CHArchTrapFrame *Frame = (CHArchTrapFrame *)Data;
#if defined(__amd64__)
error("Exception: %#llx", Frame->InterruptNumber);
PageFaultAddress = CPU::x64::readcr2().PFLA;
if (Frame->cs != GDT_USER_CODE && Frame->cs != GDT_USER_DATA)
{
@ -616,7 +684,7 @@ namespace CrashHandler
debug("CPU %ld data is valid", data->ID);
if (data->CurrentThread->Security.IsCritical)
{
debug("Critical thread died");
debug("Critical thread \"%s\"(%d) died", data->CurrentThread->Name, data->CurrentThread->ID);
if (TaskManager)
TaskManager->Panic();
Display->CreateBuffer(0, 0, SBIdx);
@ -637,7 +705,7 @@ namespace CrashHandler
Display->SetBufferCursor(SBIdx, 0, 0);
CPU::x64::CR0 cr0 = CPU::x64::readcr0();
CPU::x64::CR2 cr2 = CPU::x64::readcr2();
CPU::x64::CR2 cr2 = CPU::x64::CR2{.PFLA = PageFaultAddress};
CPU::x64::CR3 cr3 = CPU::x64::readcr3();
CPU::x64::CR4 cr4 = CPU::x64::readcr4();
CPU::x64::CR8 cr8 = CPU::x64::readcr8();
@ -699,7 +767,7 @@ namespace CrashHandler
debug("Reading control registers...");
crashdata.Frame = Frame;
crashdata.cr0 = CPU::x64::readcr0();
crashdata.cr2 = CPU::x64::readcr2();
crashdata.cr2 = CPU::x64::CR2{.PFLA = PageFaultAddress};
crashdata.cr3 = CPU::x64::readcr3();
crashdata.cr4 = CPU::x64::readcr4();
crashdata.cr8 = CPU::x64::readcr8();

10
Core/Crash/Screens/Details.cpp
View File

@ -35,14 +35,10 @@ namespace CrashHandler
if (cpu)
{
EHPrint("\eE46CEBCPU Data Address: %#lx\n", cpu);
EHPrint("Syscalls Stack: %#lx\n", cpu->SystemCallStack);
EHPrint("TempStack: %#lx\n", cpu->TempStack);
EHPrint("Core Stack: %#lx\n", cpu->Stack);
EHPrint("Core ID: %ld\n", cpu->ID);
EHPrint("Error Code: %ld\n", cpu->ErrorCode);
EHPrint("Syscalls Stack: %#lx, TempStack: %#lx\n", cpu->SystemCallStack, cpu->TempStack);
EHPrint("Core Stack: %#lx, Core ID: %ld, Error Code: %ld\n", cpu->Stack, cpu->ID, cpu->ErrorCode);
EHPrint("Is Active: %s\n", cpu->IsActive ? "true" : "false");
EHPrint("Current Process: %#lx\n", cpu->CurrentProcess);
EHPrint("Current Thread: %#lx\n", cpu->CurrentThread);
EHPrint("Current Process: %#lx, Current Thread: %#lx\n", cpu->CurrentProcess, cpu->CurrentThread);
EHPrint("Arch Specific Data: %#lx\n", cpu->Data);
EHPrint("Checksum: 0x%X\n", cpu->Checksum);
}

4
Core/Crash/Screens/Main.cpp
View File

@ -270,9 +270,9 @@ namespace CrashHandler
CPU::x64::PageFaultErrorCode params = {.raw = (uint32_t)Frame->ErrorCode};
#if defined(__amd64__)
EHPrint("At \e8888FF%#lx \eFAFAFAby \e8888FF%#lx\eFAFAFA\n", CPU::x64::readcr2().PFLA, Frame->rip);
EHPrint("At \e8888FF%#lx \eFAFAFAby \e8888FF%#lx\eFAFAFA\n", PageFaultAddress, Frame->rip);
#elif defined(__i386__)
EHPrint("At \e8888FF%#lx \eFAFAFAby \e8888FF%#lx\eFAFAFA\n", CPU::x64::readcr2().PFLA, Frame->eip);
EHPrint("At \e8888FF%#lx \eFAFAFAby \e8888FF%#lx\eFAFAFA\n", PageFaultAddress, Frame->eip);
#elif defined(__aarch64__)
#endif
EHPrint("Page: %s\eFAFAFA\n", params.P ? "\e058C19Present" : "\eE85230Not Present");

14
Core/Crash/Screens/StackFrame.cpp
View File

@ -53,31 +53,29 @@ namespace CrashHandler
}
if (data.Process && data.Thread)
{
EHPrint("\n\n\eFAFAFATracing thread RIP history...");
EHPrint("\n\n\eFAFAFATracing thread instruction pointer history...");
SymbolResolver::Symbols *sh = data.Process->ELFSymbolTable;
if (!sh)
EHPrint("\n\eFFA500Warning: No symbol table available.");
int SameItr = 0;
uintptr_t LastRIP = 0;
for (int i = 0; i < 128; i++)
for (size_t i = 0; i < sizeof(data.Thread->IPHistory) / sizeof(data.Thread->IPHistory[0]); i++)
{
if (data.Thread->IPHistory[i] == 0)
break;
if (data.Thread->IPHistory[i] == LastRIP)
{
SameItr++;
if (SameItr > 3)
if (SameItr > 2)
continue;
}
else
SameItr = 0;
LastRIP = data.Thread->IPHistory[i];
if (!sh)
EHPrint("\n\e2565CC%p", data.Thread->IPHistory[i]);
EHPrint("\n\eCCCCCC%d: \e2565CC%p", i, data.Thread->IPHistory[i]);
else
EHPrint("\n\e2565CC%p\e7925CC-\e25CCC9%s", data.Thread->IPHistory[i], sh->GetSymbolFromAddress(data.Thread->IPHistory[i]));
EHPrint("\n\eCCCCCC%d: \e2565CC%p\e7925CC-\e25CCC9%s", i, data.Thread->IPHistory[i], sh->GetSymbolFromAddress(data.Thread->IPHistory[i]));
}
EHPrint("\n\e7925CCNote: \e2565CCSame RIPs are not shown more than 3 times.\n");
EHPrint("\n\e7925CCNote: \e2565CCSame instruction pointers are not shown more than 3 times.\n");
}
}
}

10
Core/Crash/UserHandler.cpp
View File

@ -35,7 +35,7 @@ SafeFunction void UserModeExceptionHandler(CHArchTrapFrame *Frame)
{
CPU::x64::CR0 cr0 = CPU::x64::readcr0();
CPU::x64::CR2 cr2 = CPU::x64::readcr2();
CPU::x64::CR2 cr2 = CPU::x64::CR2{.PFLA = CrashHandler::PageFaultAddress};
CPU::x64::CR3 cr3 = CPU::x64::readcr3();
CPU::x64::CR4 cr4 = CPU::x64::readcr4();
CPU::x64::CR8 cr8 = CPU::x64::readcr8();
@ -179,13 +179,13 @@ SafeFunction void UserModeExceptionHandler(CHArchTrapFrame *Frame)
uintptr_t CheckPageFaultAddress = 0;
CPU::x64::PageFaultErrorCode params = {.raw = (uint32_t)Frame->ErrorCode};
#if defined(__amd64__)
CheckPageFaultAddress = CPU::x64::readcr2().PFLA;
CheckPageFaultAddress = CrashHandler::PageFaultAddress;
if (CheckPageFaultAddress == 0)
CheckPageFaultAddress = Frame->rip;
error("An exception occurred at %#lx by %#lx", CPU::x64::readcr2().PFLA, Frame->rip);
error("An exception occurred at %#lx by %#lx", CrashHandler::PageFaultAddress, Frame->rip);
#elif defined(__i386__)
error("An exception occurred at %#lx by %#lx", CPU::x64::readcr2().PFLA, Frame->eip);
error("An exception occurred at %#lx by %#lx", CrashHandler::PageFaultAddress, Frame->eip);
#elif defined(__aarch64__)
#endif
error("Page: %s", params.P ? "Present" : "Not Present");
@ -303,7 +303,7 @@ SafeFunction void UserModeExceptionHandler(CHArchTrapFrame *Frame)
#endif
if (CurCPU)
if (CurCPU->CurrentThread->Stack->Expand(CPU::x64::readcr2().raw))
if (CurCPU->CurrentThread->Stack->Expand(CrashHandler::PageFaultAddress))
{
debug("Stack expanded");
TaskManager->GetCurrentThread()->Status = Tasking::TaskStatus::Ready;

1
Core/crashhandler.hpp
View File

@ -8,6 +8,7 @@
namespace CrashHandler
{
extern uintptr_t PageFaultAddress;
extern void *EHIntFrames[INT_FRAMES_MAX];
void EHPrint(const char *Format, ...);