mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-07-09 06:19:19 +00:00
Improved crash screen
This commit is contained in:
Alex
@ -3,6 +3,7 @@
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#include <display.hpp>
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#include <printf.h>
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#include <lock.hpp>
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#include <debug.h>
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#include <smp.hpp>
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#include <cpu.hpp>
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@ -15,15 +16,19 @@
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#include "../../kernel.h"
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NewLock(UserInputLock);
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namespace CrashHandler
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{
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__attribute__((no_stack_protector)) void printfWrapper(char c, void *unused)
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static bool ExceptionOccurred = false;
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int SBIdx = 255;
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__no_stack_protector void printfWrapper(char c, void *unused)
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{
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Display->Print(c, 255, true);
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Display->Print(c, SBIdx, true);
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UNUSED(unused);
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}
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__attribute__((no_stack_protector)) void EHPrint(const char *Format, ...)
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__no_stack_protector void EHPrint(const char *Format, ...)
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{
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va_list args;
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va_start(args, Format);
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@ -31,17 +36,227 @@ namespace CrashHandler
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va_end(args);
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}
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__attribute__((no_stack_protector)) void Handle(void *Data)
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CRData crashdata = {};
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__no_stack_protector void DisplayTopOverlay()
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{
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Video::ScreenBuffer *sb = Display->GetBuffer(SBIdx);
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Video::Font *f = Display->GetCurrentFont();
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Video::FontInfo fi = f->GetInfo();
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for (uint32_t i = 0; i < sb->Width; i++)
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for (uint32_t j = 0; j < fi.Height + 8; j++)
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Display->SetPixel(i, j, 0x282828, SBIdx);
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Display->SetBufferCursor(SBIdx, 8, (fi.Height + 8) / 6);
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switch (SBIdx)
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{
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case 255:
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{
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EHPrint("\eAAAAAAMAIN \e606060DETAILS \e606060FRAMES \e606060TASKS \e606060CONSOLE");
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break;
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}
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case 254:
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{
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EHPrint("\e606060MAIN \eAAAAAADETAILS \e606060FRAMES \e606060TASKS \e606060CONSOLE");
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break;
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}
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case 253:
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{
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EHPrint("\e606060MAIN \e606060DETAILS \eAAAAAAFRAMES \e606060TASKS \e606060CONSOLE");
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break;
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}
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case 252:
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{
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EHPrint("\e606060MAIN \e606060DETAILS \e606060FRAMES \eAAAAAATASKS \e606060CONSOLE");
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break;
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}
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case 251:
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{
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EHPrint("\e606060MAIN \e606060DETAILS \e606060FRAMES \e606060TASKS \eAAAAAACONSOLE");
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break;
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}
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default:
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{
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EHPrint("\e606060MAIN \e606060DETAILS \e606060FRAMES \e606060TASKS \e606060CONSOLE");
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break;
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}
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}
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EHPrint(" \e00AAFF%ldMB / %ldMB (%ldMB Reserved)",
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TO_MB(KernelAllocator.GetUsedMemory()),
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TO_MB(KernelAllocator.GetTotalMemory()),
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TO_MB(KernelAllocator.GetReservedMemory()));
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EHPrint(" \eAA0F0F%s", CPU::Hypervisor());
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EHPrint(" \eAAF00F%s", CPU::Vendor());
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EHPrint(" \eAA00FF%s", CPU::Name());
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Display->SetBufferCursor(SBIdx, 0, fi.Height + 10);
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}
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__no_stack_protector void DisplayBottomOverlay()
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{
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Video::ScreenBuffer *sb = Display->GetBuffer(SBIdx);
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Video::Font *f = Display->GetCurrentFont();
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Video::FontInfo fi = f->GetInfo();
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for (uint32_t i = 0; i < sb->Width; i++)
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for (uint32_t j = sb->Height - fi.Height - 8; j < sb->Height; j++)
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Display->SetPixel(i, j, 0x282828, SBIdx);
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Display->SetBufferCursor(SBIdx, 8, sb->Height - fi.Height - 4);
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EHPrint("\eAAAAAA> \eFAFAFA");
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}
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__no_stack_protector void ArrowInput(uint8_t key)
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{
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switch (key)
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{
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case KEY_D_UP:
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if (SBIdx < 255)
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SBIdx++;
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else
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return;
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break;
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case KEY_D_LEFT:
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if (SBIdx < 255)
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SBIdx++;
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else
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return;
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break;
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case KEY_D_RIGHT:
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if (SBIdx > 250)
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SBIdx--;
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else
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return;
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break;
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case KEY_D_DOWN:
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if (SBIdx > 250)
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SBIdx--;
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else
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return;
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break;
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default:
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break;
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}
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Display->ClearBuffer(SBIdx);
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DisplayTopOverlay();
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EHPrint("\eFAFAFA");
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switch (SBIdx)
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{
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case 255:
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{
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DisplayMainScreen(crashdata);
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break;
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}
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case 254:
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{
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DisplayDetailsScreen(crashdata);
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break;
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}
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case 253:
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{
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DisplayStackFrameScreen(crashdata);
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break;
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}
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case 252:
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{
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DisplayTasksScreen(crashdata);
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break;
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}
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case 251:
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{
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DisplayConsoleScreen(crashdata);
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break;
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}
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default:
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{
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break;
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}
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}
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DisplayBottomOverlay();
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Display->SetBuffer(SBIdx);
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}
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__no_stack_protector void UserInput(char *Input)
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{
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SmartCriticalSection(UserInputLock);
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Display->ClearBuffer(SBIdx);
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DisplayTopOverlay();
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EHPrint("\eFAFAFA");
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if (strcmp(Input, "help") == 0)
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{
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EHPrint("Available commands are: exit, main, details, frames, tasks, console\n");
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EHPrint("Also, you can use the arrow keys to navigate the menu.\n");
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EHPrint("=========================================================================\n");
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EHPrint("Kernel Compiled at: %s %s with C++ Standard: %d\n", __DATE__, __TIME__, CPP_LANGUAGE_STANDARD);
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EHPrint("C++ Language Version (__cplusplus): %ld\n", __cplusplus);
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}
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else if (strcmp(Input, "exit") == 0)
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{
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PowerManager->Shutdown();
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EHPrint("\eFFFFFFNow it's safe to turn off your computer.");
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CPU::Stop();
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}
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else if (strcmp(Input, "main") == 0)
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{
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SBIdx = 255;
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DisplayTopOverlay();
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DisplayMainScreen(crashdata);
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Display->SetBuffer(SBIdx);
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}
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else if (strcmp(Input, "details") == 0)
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{
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SBIdx = 254;
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DisplayTopOverlay();
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DisplayDetailsScreen(crashdata);
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Display->SetBuffer(SBIdx);
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}
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else if (strcmp(Input, "frames") == 0)
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{
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SBIdx = 253;
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DisplayTopOverlay();
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DisplayStackFrameScreen(crashdata);
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Display->SetBuffer(SBIdx);
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}
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else if (strcmp(Input, "tasks") == 0)
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{
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SBIdx = 252;
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DisplayTopOverlay();
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DisplayTasksScreen(crashdata);
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Display->SetBuffer(SBIdx);
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}
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else if (strcmp(Input, "console") == 0)
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{
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SBIdx = 251;
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DisplayTopOverlay();
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DisplayConsoleScreen(crashdata);
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Display->SetBuffer(SBIdx);
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}
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else
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{
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if (strlen(Input) > 0)
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EHPrint("Unknown command: %s", Input);
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}
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DisplayBottomOverlay();
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Display->SetBuffer(SBIdx);
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}
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__no_stack_protector void Handle(void *Data)
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{
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CPU::Interrupts(CPU::Disable);
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#if defined(__amd64__)
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error("An exception occurred!");
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if (TaskManager)
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TaskManager->Panic();
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SBIdx = 255;
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CHArchTrapFrame *Frame = (CHArchTrapFrame *)Data;
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#if defined(__amd64__)
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error("Exception: %#llx", Frame->InterruptNumber);
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if (Frame->cs != GDT_USER_CODE && Frame->cs != GDT_USER_DATA)
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{
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debug("Exception in kernel mode");
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Display->CreateBuffer(0, 0, 255);
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Display->CreateBuffer(0, 0, SBIdx);
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}
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else
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{
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@ -49,6 +264,7 @@ namespace CrashHandler
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CPUData *data = GetCurrentCPU();
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if (!data)
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{
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Display->CreateBuffer(0, 0, SBIdx);
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EHPrint("\eFF0000Cannot get CPU data! This results in a kernel crash!");
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error("Cannot get CPU data! This results in a kernel crash!");
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error("This should never happen!");
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@ -67,152 +283,94 @@ namespace CrashHandler
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}
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else
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{
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Display->CreateBuffer(0, 0, SBIdx);
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EHPrint("\eFF0000Init process crashed!");
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}
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}
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}
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}
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if (ExceptionOccurred)
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{
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SBIdx = 255;
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Display->ClearBuffer(SBIdx);
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Display->SetBufferCursor(SBIdx, 0, 0);
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CPU::x64::CR0 cr0 = CPU::x64::readcr0();
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CPU::x64::CR2 cr2 = CPU::x64::readcr2();
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CPU::x64::CR3 cr3 = CPU::x64::readcr3();
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CPU::x64::CR4 cr4 = CPU::x64::readcr4();
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CPU::x64::CR8 cr8 = CPU::x64::readcr8();
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CPU::x64::EFER efer;
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efer.raw = CPU::x64::rdmsr(CPU::x64::MSR_EFER);
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EHPrint("\eFF0000FS=%#llx GS=%#llx SS=%#llx CS=%#llx DS=%#llx\n",
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CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
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Frame->ss, Frame->cs, Frame->ds);
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EHPrint("R8=%#llx R9=%#llx R10=%#llx R11=%#llx\n", Frame->r8, Frame->r9, Frame->r10, Frame->r11);
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EHPrint("R12=%#llx R13=%#llx R14=%#llx R15=%#llx\n", Frame->r12, Frame->r13, Frame->r14, Frame->r15);
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EHPrint("RAX=%#llx RBX=%#llx RCX=%#llx RDX=%#llx\n", Frame->rax, Frame->rbx, Frame->rcx, Frame->rdx);
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EHPrint("RSI=%#llx RDI=%#llx RBP=%#llx RSP=%#llx\n", Frame->rsi, Frame->rdi, Frame->rbp, Frame->rsp);
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EHPrint("RIP=%#llx RFL=%#llx INT=%#llx ERR=%#llx EFER=%#llx\n", Frame->rip, Frame->rflags.raw, Frame->InterruptNumber, Frame->ErrorCode, efer.raw);
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EHPrint("CR0=%#llx CR2=%#llx CR3=%#llx CR4=%#llx CR8=%#llx\n", cr0.raw, cr2.raw, cr3.raw, cr4.raw, cr8.raw);
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EHPrint("CR0: PE:%s MP:%s EM:%s TS:%s\n ET:%s NE:%s WP:%s AM:%s\n NW:%s CD:%s PG:%s\n R0:%#x R1:%#x R2:%#x\n",
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cr0.PE ? "True " : "False", cr0.MP ? "True " : "False", cr0.EM ? "True " : "False", cr0.TS ? "True " : "False",
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cr0.ET ? "True " : "False", cr0.NE ? "True " : "False", cr0.WP ? "True " : "False", cr0.AM ? "True " : "False",
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cr0.NW ? "True " : "False", cr0.CD ? "True " : "False", cr0.PG ? "True " : "False",
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cr0.Reserved0, cr0.Reserved1, cr0.Reserved2);
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EHPrint("CR2: PFLA: %#llx\n",
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cr2.PFLA);
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EHPrint("CR3: PWT:%s PCD:%s PDBR:%#llx\n",
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cr3.PWT ? "True " : "False", cr3.PCD ? "True " : "False", cr3.PDBR);
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EHPrint("CR4: VME:%s PVI:%s TSD:%s DE:%s\n PSE:%s PAE:%s MCE:%s PGE:%s\n PCE:%s UMIP:%s OSFXSR:%s OSXMMEXCPT:%s\n LA57:%s VMXE:%s SMXE:%s PCIDE:%s\n OSXSAVE:%s SMEP:%s SMAP:%s PKE:%s\n R0:%#x R1:%#x R2:%#x\n",
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cr4.VME ? "True " : "False", cr4.PVI ? "True " : "False", cr4.TSD ? "True " : "False", cr4.DE ? "True " : "False",
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cr4.PSE ? "True " : "False", cr4.PAE ? "True " : "False", cr4.MCE ? "True " : "False", cr4.PGE ? "True " : "False",
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cr4.PCE ? "True " : "False", cr4.UMIP ? "True " : "False", cr4.OSFXSR ? "True " : "False", cr4.OSXMMEXCPT ? "True " : "False",
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cr4.LA57 ? "True " : "False", cr4.VMXE ? "True " : "False", cr4.SMXE ? "True " : "False", cr4.PCIDE ? "True " : "False",
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cr4.OSXSAVE ? "True " : "False", cr4.SMEP ? "True " : "False", cr4.SMAP ? "True " : "False", cr4.PKE ? "True " : "False",
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cr4.Reserved0, cr4.Reserved1, cr4.Reserved2);
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EHPrint("CR8: TPL:%d\n", cr8.TPL);
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EHPrint("RFL: CF:%s PF:%s AF:%s ZF:%s\n SF:%s TF:%s IF:%s DF:%s\n OF:%s IOPL:%s NT:%s RF:%s\n VM:%s AC:%s VIF:%s VIP:%s\n ID:%s AlwaysOne:%d\n R0:%#x R1:%#x R2:%#x R3:%#x\n",
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Frame->rflags.CF ? "True " : "False", Frame->rflags.PF ? "True " : "False", Frame->rflags.AF ? "True " : "False", Frame->rflags.ZF ? "True " : "False",
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Frame->rflags.SF ? "True " : "False", Frame->rflags.TF ? "True " : "False", Frame->rflags.IF ? "True " : "False", Frame->rflags.DF ? "True " : "False",
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Frame->rflags.OF ? "True " : "False", Frame->rflags.IOPL ? "True " : "False", Frame->rflags.NT ? "True " : "False", Frame->rflags.RF ? "True " : "False",
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Frame->rflags.VM ? "True " : "False", Frame->rflags.AC ? "True " : "False", Frame->rflags.VIF ? "True " : "False", Frame->rflags.VIP ? "True " : "False",
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Frame->rflags.ID ? "True " : "False", Frame->rflags.AlwaysOne,
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Frame->rflags.Reserved0, Frame->rflags.Reserved1, Frame->rflags.Reserved2, Frame->rflags.Reserved3);
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EHPrint("EFER: SCE:%s LME:%s LMA:%s NXE:%s\n SVME:%s LMSLE:%s FFXSR:%s TCE:%s\n R0:%#x R1:%#x R2:%#x\n",
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efer.SCE ? "True " : "False", efer.LME ? "True " : "False", efer.LMA ? "True " : "False", efer.NXE ? "True " : "False",
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efer.SVME ? "True " : "False", efer.LMSLE ? "True " : "False", efer.FFXSR ? "True " : "False", efer.TCE ? "True " : "False",
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efer.Reserved0, efer.Reserved1, efer.Reserved2);
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EHPrint("\nException occurred while handling exception! HALTED!");
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Display->SetBuffer(SBIdx);
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CPU::Stop();
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}
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ExceptionOccurred = true;
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debug("Reading control registers...");
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CPU::x64::CR0 cr0 = CPU::x64::readcr0();
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CPU::x64::CR2 cr2 = CPU::x64::readcr2();
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CPU::x64::CR3 cr3 = CPU::x64::readcr3();
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CPU::x64::CR4 cr4 = CPU::x64::readcr4();
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CPU::x64::CR8 cr8 = CPU::x64::readcr8();
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CPU::x64::EFER efer;
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efer.raw = CPU::x64::rdmsr(CPU::x64::MSR_EFER);
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crashdata.Frame = Frame;
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crashdata.cr0 = CPU::x64::readcr0();
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crashdata.cr2 = CPU::x64::readcr2();
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crashdata.cr3 = CPU::x64::readcr3();
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crashdata.cr4 = CPU::x64::readcr4();
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crashdata.cr8 = CPU::x64::readcr8();
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crashdata.efer.raw = CPU::x64::rdmsr(CPU::x64::MSR_EFER);
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uint64_t dr0, dr1, dr2, dr3, dr6;
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CPU::x64::DR7 dr7;
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// store debug registers
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debug("Reading debug registers...");
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// Get debug registers
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asmv("movq %%dr0, %0"
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: "=r"(dr0));
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: "=r"(crashdata.dr0));
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asmv("movq %%dr1, %0"
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: "=r"(dr1));
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: "=r"(crashdata.dr1));
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asmv("movq %%dr2, %0"
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: "=r"(dr2));
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: "=r"(crashdata.dr2));
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asmv("movq %%dr3, %0"
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: "=r"(dr3));
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: "=r"(crashdata.dr3));
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asmv("movq %%dr6, %0"
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: "=r"(dr6));
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: "=r"(crashdata.dr6));
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asmv("movq %%dr7, %0"
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: "=r"(dr7));
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switch (Frame->InterruptNumber)
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{
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case CPU::x64::DivideByZero:
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{
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DivideByZeroExceptionHandler(Frame);
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break;
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}
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case CPU::x64::Debug:
|
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{
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DebugExceptionHandler(Frame);
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break;
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}
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case CPU::x64::NonMaskableInterrupt:
|
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{
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NonMaskableInterruptExceptionHandler(Frame);
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break;
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}
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case CPU::x64::Breakpoint:
|
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{
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BreakpointExceptionHandler(Frame);
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break;
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}
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case CPU::x64::Overflow:
|
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{
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OverflowExceptionHandler(Frame);
|
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break;
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}
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case CPU::x64::BoundRange:
|
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{
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BoundRangeExceptionHandler(Frame);
|
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break;
|
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}
|
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case CPU::x64::InvalidOpcode:
|
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{
|
||||
InvalidOpcodeExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::DeviceNotAvailable:
|
||||
{
|
||||
DeviceNotAvailableExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::DoubleFault:
|
||||
{
|
||||
DoubleFaultExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::CoprocessorSegmentOverrun:
|
||||
{
|
||||
CoprocessorSegmentOverrunExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::InvalidTSS:
|
||||
{
|
||||
InvalidTSSExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::SegmentNotPresent:
|
||||
{
|
||||
SegmentNotPresentExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::StackSegmentFault:
|
||||
{
|
||||
StackFaultExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::GeneralProtectionFault:
|
||||
{
|
||||
GeneralProtectionExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::PageFault:
|
||||
{
|
||||
PageFaultExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::x87FloatingPoint:
|
||||
{
|
||||
x87FloatingPointExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::AlignmentCheck:
|
||||
{
|
||||
AlignmentCheckExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::MachineCheck:
|
||||
{
|
||||
MachineCheckExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::SIMDFloatingPoint:
|
||||
{
|
||||
SIMDFloatingPointExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Virtualization:
|
||||
{
|
||||
VirtualizationExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Security:
|
||||
{
|
||||
SecurityExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
UnknownExceptionHandler(Frame);
|
||||
break;
|
||||
}
|
||||
}
|
||||
: "=r"(crashdata.dr7));
|
||||
|
||||
CPUData *cpudata = GetCurrentCPU();
|
||||
|
||||
@ -234,93 +392,78 @@ namespace CrashHandler
|
||||
}
|
||||
|
||||
if (cpudata != nullptr)
|
||||
EHPrint("\e7981FCTechnical Informations on CPU %lld:\n", cpudata->ID);
|
||||
{
|
||||
crashdata.ID = cpudata->ID;
|
||||
error("Technical Informations on CPU %lld:", cpudata->ID);
|
||||
}
|
||||
|
||||
if (TaskManager && cpudata != nullptr)
|
||||
{
|
||||
EHPrint("\e7981FCCurrent Process: %s(%ld)\n",
|
||||
cpudata->CurrentProcess->Name,
|
||||
cpudata->CurrentProcess->ID);
|
||||
EHPrint("\e7981FCCurrent Thread: %s(%ld)\n",
|
||||
cpudata->CurrentThread->Name,
|
||||
cpudata->CurrentThread->ID);
|
||||
crashdata.Process = cpudata->CurrentProcess;
|
||||
crashdata.Thread = cpudata->CurrentThread;
|
||||
|
||||
error("Current Process: %s(%ld)\n",
|
||||
cpudata->CurrentProcess->Name,
|
||||
cpudata->CurrentProcess->ID);
|
||||
error("Current Thread: %s(%ld)\n",
|
||||
cpudata->CurrentThread->Name,
|
||||
cpudata->CurrentThread->ID);
|
||||
}
|
||||
|
||||
EHPrint("\e7981FCFS=%#llx GS=%#llx SS=%#llx CS=%#llx DS=%#llx\n",
|
||||
CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
|
||||
Frame->ss, Frame->cs, Frame->ds);
|
||||
EHPrint("R8=%#llx R9=%#llx R10=%#llx R11=%#llx\n", Frame->r8, Frame->r9, Frame->r10, Frame->r11);
|
||||
EHPrint("R12=%#llx R13=%#llx R14=%#llx R15=%#llx\n", Frame->r12, Frame->r13, Frame->r14, Frame->r15);
|
||||
EHPrint("RAX=%#llx RBX=%#llx RCX=%#llx RDX=%#llx\n", Frame->rax, Frame->rbx, Frame->rcx, Frame->rdx);
|
||||
EHPrint("RSI=%#llx RDI=%#llx RBP=%#llx RSP=%#llx\n", Frame->rsi, Frame->rdi, Frame->rbp, Frame->rsp);
|
||||
EHPrint("RIP=%#llx RFL=%#llx INT=%#llx ERR=%#llx EFER=%#llx\n", Frame->rip, Frame->rflags.raw, Frame->InterruptNumber, Frame->ErrorCode, efer.raw);
|
||||
EHPrint("CR0=%#llx CR2=%#llx CR3=%#llx CR4=%#llx CR8=%#llx\n", cr0.raw, cr2.raw, cr3.raw, cr4.raw, cr8.raw);
|
||||
EHPrint("DR0=%#llx DR1=%#llx DR2=%#llx DR3=%#llx DR6=%#llx DR7=%#llx\n", dr0, dr1, dr2, dr3, dr6, dr7.raw);
|
||||
{
|
||||
error("FS=%#llx GS=%#llx SS=%#llx CS=%#llx DS=%#llx",
|
||||
CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
|
||||
Frame->ss, Frame->cs, Frame->ds);
|
||||
error("R8=%#llx R9=%#llx R10=%#llx R11=%#llx", Frame->r8, Frame->r9, Frame->r10, Frame->r11);
|
||||
error("R12=%#llx R13=%#llx R14=%#llx R15=%#llx", Frame->r12, Frame->r13, Frame->r14, Frame->r15);
|
||||
error("RAX=%#llx RBX=%#llx RCX=%#llx RDX=%#llx", Frame->rax, Frame->rbx, Frame->rcx, Frame->rdx);
|
||||
error("RSI=%#llx RDI=%#llx RBP=%#llx RSP=%#llx", Frame->rsi, Frame->rdi, Frame->rbp, Frame->rsp);
|
||||
error("RIP=%#llx RFL=%#llx INT=%#llx ERR=%#llx EFER=%#llx", Frame->rip, Frame->rflags.raw, Frame->InterruptNumber, Frame->ErrorCode, crashdata.efer.raw);
|
||||
error("CR0=%#llx CR2=%#llx CR3=%#llx CR4=%#llx CR8=%#llx", crashdata.cr0.raw, crashdata.cr2.raw, crashdata.cr3.raw, crashdata.cr4.raw, crashdata.cr8.raw);
|
||||
error("DR0=%#llx DR1=%#llx DR2=%#llx DR3=%#llx DR6=%#llx DR7=%#llx", crashdata.dr0, crashdata.dr1, crashdata.dr2, crashdata.dr3, crashdata.dr6, crashdata.dr7.raw);
|
||||
|
||||
EHPrint("\eFC797BCR0: PE:%s MP:%s EM:%s TS:%s\n ET:%s NE:%s WP:%s AM:%s\n NW:%s CD:%s PG:%s\n R0:%#x R1:%#x R2:%#x\n",
|
||||
cr0.PE ? "True " : "False", cr0.MP ? "True " : "False", cr0.EM ? "True " : "False", cr0.TS ? "True " : "False",
|
||||
cr0.ET ? "True " : "False", cr0.NE ? "True " : "False", cr0.WP ? "True " : "False", cr0.AM ? "True " : "False",
|
||||
cr0.NW ? "True " : "False", cr0.CD ? "True " : "False", cr0.PG ? "True " : "False",
|
||||
cr0.Reserved0, cr0.Reserved1, cr0.Reserved2);
|
||||
error("CR0: PE:%s MP:%s EM:%s TS:%s ET:%s NE:%s WP:%s AM:%s NW:%s CD:%s PG:%s R0:%#x R1:%#x R2:%#x",
|
||||
crashdata.cr0.PE ? "True " : "False", crashdata.cr0.MP ? "True " : "False", crashdata.cr0.EM ? "True " : "False", crashdata.cr0.TS ? "True " : "False",
|
||||
crashdata.cr0.ET ? "True " : "False", crashdata.cr0.NE ? "True " : "False", crashdata.cr0.WP ? "True " : "False", crashdata.cr0.AM ? "True " : "False",
|
||||
crashdata.cr0.NW ? "True " : "False", crashdata.cr0.CD ? "True " : "False", crashdata.cr0.PG ? "True " : "False",
|
||||
crashdata.cr0.Reserved0, crashdata.cr0.Reserved1, crashdata.cr0.Reserved2);
|
||||
|
||||
EHPrint("\eFCBD79CR2: PFLA: %#llx\n",
|
||||
cr2.PFLA);
|
||||
error("CR2: PFLA: %#llx",
|
||||
crashdata.cr2.PFLA);
|
||||
|
||||
EHPrint("\e79FC84CR3: PWT:%s PCD:%s PDBR:%#llx\n",
|
||||
cr3.PWT ? "True " : "False", cr3.PCD ? "True " : "False", cr3.PDBR);
|
||||
error("CR3: PWT:%s PCD:%s PDBR:%#llx",
|
||||
crashdata.cr3.PWT ? "True " : "False", crashdata.cr3.PCD ? "True " : "False", crashdata.cr3.PDBR);
|
||||
|
||||
EHPrint("\eBD79FCCR4: VME:%s PVI:%s TSD:%s DE:%s\n PSE:%s PAE:%s MCE:%s PGE:%s\n PCE:%s UMIP:%s OSFXSR:%s OSXMMEXCPT:%s\n LA57:%s VMXE:%s SMXE:%s PCIDE:%s\n OSXSAVE:%s SMEP:%s SMAP:%s PKE:%s\n R0:%#x R1:%#x R2:%#x\n",
|
||||
cr4.VME ? "True " : "False", cr4.PVI ? "True " : "False", cr4.TSD ? "True " : "False", cr4.DE ? "True " : "False",
|
||||
cr4.PSE ? "True " : "False", cr4.PAE ? "True " : "False", cr4.MCE ? "True " : "False", cr4.PGE ? "True " : "False",
|
||||
cr4.PCE ? "True " : "False", cr4.UMIP ? "True " : "False", cr4.OSFXSR ? "True " : "False", cr4.OSXMMEXCPT ? "True " : "False",
|
||||
cr4.LA57 ? "True " : "False", cr4.VMXE ? "True " : "False", cr4.SMXE ? "True " : "False", cr4.PCIDE ? "True " : "False",
|
||||
cr4.OSXSAVE ? "True " : "False", cr4.SMEP ? "True " : "False", cr4.SMAP ? "True " : "False", cr4.PKE ? "True " : "False",
|
||||
cr4.Reserved0, cr4.Reserved1, cr4.Reserved2);
|
||||
error("CR4: VME:%s PVI:%s TSD:%s DE:%s PSE:%s PAE:%s MCE:%s PGE:%s PCE:%s UMIP:%s OSFXSR:%s OSXMMEXCPT:%s LA57:%s VMXE:%s SMXE:%s PCIDE:%s OSXSAVE:%s SMEP:%s SMAP:%s PKE:%s R0:%#x R1:%#x R2:%#x",
|
||||
crashdata.cr4.VME ? "True " : "False", crashdata.cr4.PVI ? "True " : "False", crashdata.cr4.TSD ? "True " : "False", crashdata.cr4.DE ? "True " : "False",
|
||||
crashdata.cr4.PSE ? "True " : "False", crashdata.cr4.PAE ? "True " : "False", crashdata.cr4.MCE ? "True " : "False", crashdata.cr4.PGE ? "True " : "False",
|
||||
crashdata.cr4.PCE ? "True " : "False", crashdata.cr4.UMIP ? "True " : "False", crashdata.cr4.OSFXSR ? "True " : "False", crashdata.cr4.OSXMMEXCPT ? "True " : "False",
|
||||
crashdata.cr4.LA57 ? "True " : "False", crashdata.cr4.VMXE ? "True " : "False", crashdata.cr4.SMXE ? "True " : "False", crashdata.cr4.PCIDE ? "True " : "False",
|
||||
crashdata.cr4.OSXSAVE ? "True " : "False", crashdata.cr4.SMEP ? "True " : "False", crashdata.cr4.SMAP ? "True " : "False", crashdata.cr4.PKE ? "True " : "False",
|
||||
crashdata.cr4.Reserved0, crashdata.cr4.Reserved1, crashdata.cr4.Reserved2);
|
||||
|
||||
EHPrint("\e79FCF5CR8: TPL:%d\n", cr8.TPL);
|
||||
error("CR8: TPL:%d", crashdata.cr8.TPL);
|
||||
|
||||
EHPrint("\eFCFC02RFL: CF:%s PF:%s AF:%s ZF:%s\n SF:%s TF:%s IF:%s DF:%s\n OF:%s IOPL:%s NT:%s RF:%s\n VM:%s AC:%s VIF:%s VIP:%s\n ID:%s AlwaysOne:%d\n R0:%#x R1:%#x R2:%#x R3:%#x\n",
|
||||
Frame->rflags.CF ? "True " : "False", Frame->rflags.PF ? "True " : "False", Frame->rflags.AF ? "True " : "False", Frame->rflags.ZF ? "True " : "False",
|
||||
Frame->rflags.SF ? "True " : "False", Frame->rflags.TF ? "True " : "False", Frame->rflags.IF ? "True " : "False", Frame->rflags.DF ? "True " : "False",
|
||||
Frame->rflags.OF ? "True " : "False", Frame->rflags.IOPL ? "True " : "False", Frame->rflags.NT ? "True " : "False", Frame->rflags.RF ? "True " : "False",
|
||||
Frame->rflags.VM ? "True " : "False", Frame->rflags.AC ? "True " : "False", Frame->rflags.VIF ? "True " : "False", Frame->rflags.VIP ? "True " : "False",
|
||||
Frame->rflags.ID ? "True " : "False", Frame->rflags.AlwaysOne,
|
||||
Frame->rflags.Reserved0, Frame->rflags.Reserved1, Frame->rflags.Reserved2, Frame->rflags.Reserved3);
|
||||
error("RFL: CF:%s PF:%s AF:%s ZF:%s SF:%s TF:%s IF:%s DF:%s OF:%s IOPL:%s NT:%s RF:%s VM:%s AC:%s VIF:%s VIP:%s ID:%s AlwaysOne:%d R0:%#x R1:%#x R2:%#x R3:%#x",
|
||||
Frame->rflags.CF ? "True " : "False", Frame->rflags.PF ? "True " : "False", Frame->rflags.AF ? "True " : "False", Frame->rflags.ZF ? "True " : "False",
|
||||
Frame->rflags.SF ? "True " : "False", Frame->rflags.TF ? "True " : "False", Frame->rflags.IF ? "True " : "False", Frame->rflags.DF ? "True " : "False",
|
||||
Frame->rflags.OF ? "True " : "False", Frame->rflags.IOPL ? "True " : "False", Frame->rflags.NT ? "True " : "False", Frame->rflags.RF ? "True " : "False",
|
||||
Frame->rflags.VM ? "True " : "False", Frame->rflags.AC ? "True " : "False", Frame->rflags.VIF ? "True " : "False", Frame->rflags.VIP ? "True " : "False",
|
||||
Frame->rflags.ID ? "True " : "False", Frame->rflags.AlwaysOne,
|
||||
Frame->rflags.Reserved0, Frame->rflags.Reserved1, Frame->rflags.Reserved2, Frame->rflags.Reserved3);
|
||||
|
||||
EHPrint("\eA0F0F0DR7: LDR0:%s GDR0:%s LDR1:%s GDR1:%s\n LDR2:%s GDR2:%s LDR3:%s GDR3:%s\n CDR0:%s SDR0:%s CDR1:%s SDR1:%s\n CDR2:%s SDR2:%s CDR3:%s SDR3:%s\n R:%#x\n",
|
||||
dr7.LocalDR0 ? "True " : "False", dr7.GlobalDR0 ? "True " : "False", dr7.LocalDR1 ? "True " : "False", dr7.GlobalDR1 ? "True " : "False",
|
||||
dr7.LocalDR2 ? "True " : "False", dr7.GlobalDR2 ? "True " : "False", dr7.LocalDR3 ? "True " : "False", dr7.GlobalDR3 ? "True " : "False",
|
||||
dr7.ConditionsDR0 ? "True " : "False", dr7.SizeDR0 ? "True " : "False", dr7.ConditionsDR1 ? "True " : "False", dr7.SizeDR1 ? "True " : "False",
|
||||
dr7.ConditionsDR2 ? "True " : "False", dr7.SizeDR2 ? "True " : "False", dr7.ConditionsDR3 ? "True " : "False", dr7.SizeDR3 ? "True " : "False",
|
||||
dr7.Reserved);
|
||||
error("DR7: LDR0:%s GDR0:%s LDR1:%s GDR1:%s LDR2:%s GDR2:%s LDR3:%s GDR3:%s CDR0:%s SDR0:%s CDR1:%s SDR1:%s CDR2:%s SDR2:%s CDR3:%s SDR3:%s R:%#x",
|
||||
crashdata.dr7.LocalDR0 ? "True " : "False", crashdata.dr7.GlobalDR0 ? "True " : "False", crashdata.dr7.LocalDR1 ? "True " : "False", crashdata.dr7.GlobalDR1 ? "True " : "False",
|
||||
crashdata.dr7.LocalDR2 ? "True " : "False", crashdata.dr7.GlobalDR2 ? "True " : "False", crashdata.dr7.LocalDR3 ? "True " : "False", crashdata.dr7.GlobalDR3 ? "True " : "False",
|
||||
crashdata.dr7.ConditionsDR0 ? "True " : "False", crashdata.dr7.SizeDR0 ? "True " : "False", crashdata.dr7.ConditionsDR1 ? "True " : "False", crashdata.dr7.SizeDR1 ? "True " : "False",
|
||||
crashdata.dr7.ConditionsDR2 ? "True " : "False", crashdata.dr7.SizeDR2 ? "True " : "False", crashdata.dr7.ConditionsDR3 ? "True " : "False", crashdata.dr7.SizeDR3 ? "True " : "False",
|
||||
crashdata.dr7.Reserved);
|
||||
|
||||
EHPrint("\e009FF0EFER: SCE:%s LME:%s LMA:%s NXE:%s\n SVME:%s LMSLE:%s FFXSR:%s TCE:%s\n R0:%#x R1:%#x R2:%#x\n",
|
||||
efer.SCE ? "True " : "False", efer.LME ? "True " : "False", efer.LMA ? "True " : "False", efer.NXE ? "True " : "False",
|
||||
efer.SVME ? "True " : "False", efer.LMSLE ? "True " : "False", efer.FFXSR ? "True " : "False", efer.TCE ? "True " : "False",
|
||||
efer.Reserved0, efer.Reserved1, efer.Reserved2);
|
||||
|
||||
// restore debug registers
|
||||
debug("Restoring debug registers...");
|
||||
asmv("movq %0, %%dr0"
|
||||
:
|
||||
: "r"(dr0));
|
||||
asmv("movq %0, %%dr1"
|
||||
:
|
||||
: "r"(dr1));
|
||||
asmv("movq %0, %%dr2"
|
||||
:
|
||||
: "r"(dr2));
|
||||
asmv("movq %0, %%dr3"
|
||||
:
|
||||
: "r"(dr3));
|
||||
asmv("movq %0, %%dr6"
|
||||
:
|
||||
: "r"(dr6));
|
||||
asmv("movq %0, %%dr7"
|
||||
:
|
||||
: "r"(dr7));
|
||||
|
||||
TraceFrames(Frame, 20);
|
||||
error("EFER: SCE:%s LME:%s LMA:%s NXE:%s SVME:%s LMSLE:%s FFXSR:%s TCE:%s R0:%#x R1:%#x R2:%#x",
|
||||
crashdata.efer.SCE ? "True " : "False", crashdata.efer.LME ? "True " : "False", crashdata.efer.LMA ? "True " : "False", crashdata.efer.NXE ? "True " : "False",
|
||||
crashdata.efer.SVME ? "True " : "False", crashdata.efer.LMSLE ? "True " : "False", crashdata.efer.FFXSR ? "True " : "False", crashdata.efer.TCE ? "True " : "False",
|
||||
crashdata.efer.Reserved0, crashdata.efer.Reserved1, crashdata.efer.Reserved2);
|
||||
}
|
||||
goto CrashEnd;
|
||||
|
||||
#elif defined(__i386__)
|
||||
@ -330,288 +473,31 @@ namespace CrashHandler
|
||||
#endif
|
||||
|
||||
CrashEnd:
|
||||
Display->SetBuffer(255);
|
||||
CPU::Stop();
|
||||
}
|
||||
}
|
||||
if (Config.InterruptsOnCrash)
|
||||
{
|
||||
// 255 // Main
|
||||
Display->CreateBuffer(0, 0, 254); // Details
|
||||
Display->CreateBuffer(0, 0, 253); // Frames
|
||||
Display->CreateBuffer(0, 0, 252); // Tasks
|
||||
Display->CreateBuffer(0, 0, 251); // Console
|
||||
Display->CreateBuffer(0, 0, 250); // Empty
|
||||
|
||||
#if defined(__amd64__) || defined(__i386__)
|
||||
static const char *PagefaultDescriptions[8] = {
|
||||
"Supervisory process tried to read a non-present page entry\n",
|
||||
"Supervisory process tried to read a page and caused a protection fault\n",
|
||||
"Supervisory process tried to write to a non-present page entry\n",
|
||||
"Supervisory process tried to write a page and caused a protection fault\n",
|
||||
"User process tried to read a non-present page entry\n",
|
||||
"User process tried to read a page and caused a protection fault\n",
|
||||
"User process tried to write to a non-present page entry\n",
|
||||
"User process tried to write a page and caused a protection fault\n"};
|
||||
#endif
|
||||
|
||||
#if defined(__amd64__)
|
||||
__attribute__((no_stack_protector)) void DivideByZeroExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
fixme("Divide by zero exception\n");
|
||||
}
|
||||
__attribute__((no_stack_protector)) void DebugExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
CrashHandler::EHPrint("\eDD2920System crashed!\n");
|
||||
CrashHandler::EHPrint("Kernel triggered debug exception.\n");
|
||||
}
|
||||
__attribute__((no_stack_protector)) void NonMaskableInterruptExceptionHandler(CHArchTrapFrame *Frame) { fixme("NMI exception"); }
|
||||
__attribute__((no_stack_protector)) void BreakpointExceptionHandler(CHArchTrapFrame *Frame) { fixme("Breakpoint exception"); }
|
||||
__attribute__((no_stack_protector)) void OverflowExceptionHandler(CHArchTrapFrame *Frame) { fixme("Overflow exception"); }
|
||||
__attribute__((no_stack_protector)) void BoundRangeExceptionHandler(CHArchTrapFrame *Frame) { fixme("Bound range exception"); }
|
||||
__attribute__((no_stack_protector)) void InvalidOpcodeExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
CrashHandler::EHPrint("\eDD2920System crashed!\n");
|
||||
CrashHandler::EHPrint("Kernel tried to execute an invalid opcode.\n");
|
||||
}
|
||||
__attribute__((no_stack_protector)) void DeviceNotAvailableExceptionHandler(CHArchTrapFrame *Frame) { fixme("Device not available exception"); }
|
||||
__attribute__((no_stack_protector)) void DoubleFaultExceptionHandler(CHArchTrapFrame *Frame) { fixme("Double fault exception"); }
|
||||
__attribute__((no_stack_protector)) void CoprocessorSegmentOverrunExceptionHandler(CHArchTrapFrame *Frame) { fixme("Coprocessor segment overrun exception"); }
|
||||
__attribute__((no_stack_protector)) void InvalidTSSExceptionHandler(CHArchTrapFrame *Frame) { fixme("Invalid TSS exception"); }
|
||||
__attribute__((no_stack_protector)) void SegmentNotPresentExceptionHandler(CHArchTrapFrame *Frame) { fixme("Segment not present exception"); }
|
||||
__attribute__((no_stack_protector)) void StackFaultExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
CPU::x64::SelectorErrorCode SelCode = {.raw = Frame->ErrorCode};
|
||||
CrashHandler::EHPrint("\eDD2920System crashed!\n");
|
||||
CrashHandler::EHPrint("More info about the exception:\n");
|
||||
CrashHandler::EHPrint("Stack segment fault at address %#lx\n", Frame->rip);
|
||||
CrashHandler::EHPrint("External: %d\n", SelCode.External);
|
||||
CrashHandler::EHPrint("Table: %d\n", SelCode.Table);
|
||||
CrashHandler::EHPrint("Index: %#x\n", SelCode.Idx);
|
||||
CrashHandler::EHPrint("Error code: %#lx\n", Frame->ErrorCode);
|
||||
}
|
||||
__attribute__((no_stack_protector)) 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)
|
||||
// {
|
||||
// case CPU::x64::0b00:
|
||||
// memcpy(desc_tmp, "GDT", 3);
|
||||
// break;
|
||||
// case CPU::x64::0b01:
|
||||
// memcpy(desc_tmp, "IDT", 3);
|
||||
// break;
|
||||
// case CPU::x64::0b10:
|
||||
// memcpy(desc_tmp, "LDT", 3);
|
||||
// break;
|
||||
// case CPU::x64::0b11:
|
||||
// memcpy(desc_tmp, "IDT", 3);
|
||||
// break;
|
||||
// default:
|
||||
// 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);
|
||||
}
|
||||
__attribute__((no_stack_protector)) void PageFaultExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
CPU::x64::PageFaultErrorCode params = {.raw = (uint32_t)Frame->ErrorCode};
|
||||
CrashHandler::EHPrint("\eDD2920System crashed!\n\eFFFFFF");
|
||||
CrashHandler::EHPrint("An exception occurred at %#lx by %#lx\n", CPU::x64::readcr2().PFLA, Frame->rip);
|
||||
CrashHandler::EHPrint("Page: %s\n", params.P ? "Present" : "Not Present");
|
||||
CrashHandler::EHPrint("Write Operation: %s\n", params.W ? "Read-Only" : "Read-Write");
|
||||
CrashHandler::EHPrint("Processor Mode: %s\n", params.U ? "User-Mode" : "Kernel-Mode");
|
||||
CrashHandler::EHPrint("CPU Reserved Bits: %s\n", params.R ? "Reserved" : "Unreserved");
|
||||
CrashHandler::EHPrint("Caused By An Instruction Fetch: %s\n", params.I ? "Yes" : "No");
|
||||
CrashHandler::EHPrint("Caused By A Protection-Key Violation: %s\n", params.PK ? "Yes" : "No");
|
||||
CrashHandler::EHPrint("Caused By A Shadow Stack Access: %s\n", params.SS ? "Yes" : "No");
|
||||
CrashHandler::EHPrint("Caused By An SGX Violation: %s\n", params.SGX ? "Yes" : "No");
|
||||
if (Frame->ErrorCode & 0x00000008)
|
||||
CrashHandler::EHPrint("One or more page directory entries contain reserved bits which are set to 1.\n");
|
||||
else
|
||||
CrashHandler::EHPrint(PagefaultDescriptions[Frame->ErrorCode & 0b111]);
|
||||
}
|
||||
__attribute__((no_stack_protector)) void x87FloatingPointExceptionHandler(CHArchTrapFrame *Frame) { fixme("x87 floating point exception"); }
|
||||
__attribute__((no_stack_protector)) void AlignmentCheckExceptionHandler(CHArchTrapFrame *Frame) { fixme("Alignment check exception"); }
|
||||
__attribute__((no_stack_protector)) void MachineCheckExceptionHandler(CHArchTrapFrame *Frame) { fixme("Machine check exception"); }
|
||||
__attribute__((no_stack_protector)) void SIMDFloatingPointExceptionHandler(CHArchTrapFrame *Frame) { fixme("SIMD floating point exception"); }
|
||||
__attribute__((no_stack_protector)) void VirtualizationExceptionHandler(CHArchTrapFrame *Frame) { fixme("Virtualization exception"); }
|
||||
__attribute__((no_stack_protector)) void SecurityExceptionHandler(CHArchTrapFrame *Frame) { fixme("Security exception"); }
|
||||
__attribute__((no_stack_protector)) void UnknownExceptionHandler(CHArchTrapFrame *Frame) { fixme("Unknown exception"); }
|
||||
|
||||
__attribute__((no_stack_protector)) void UserModeExceptionHandler(CHArchTrapFrame *Frame)
|
||||
{
|
||||
CriticalSection cs;
|
||||
debug("Interrupts? %s.", cs.IsInterruptsEnabled() ? "Yes" : "No");
|
||||
fixme("Handling user mode exception");
|
||||
TaskManager->GetCurrentThread()->Status = Tasking::TaskStatus::Terminated;
|
||||
|
||||
{
|
||||
CPU::x64::CR0 cr0 = CPU::x64::readcr0();
|
||||
CPU::x64::CR2 cr2 = CPU::x64::readcr2();
|
||||
CPU::x64::CR3 cr3 = CPU::x64::readcr3();
|
||||
CPU::x64::CR4 cr4 = CPU::x64::readcr4();
|
||||
CPU::x64::CR8 cr8 = CPU::x64::readcr8();
|
||||
CPU::x64::EFER efer;
|
||||
efer.raw = CPU::x64::rdmsr(CPU::x64::MSR_EFER);
|
||||
|
||||
error("Technical Informations on CPU %lld:", GetCurrentCPU()->ID);
|
||||
error("FS=%#llx GS=%#llx SS=%#llx CS=%#llx DS=%#llx",
|
||||
CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
|
||||
Frame->ss, Frame->cs, Frame->ds);
|
||||
error("R8=%#llx R9=%#llx R10=%#llx R11=%#llx", Frame->r8, Frame->r9, Frame->r10, Frame->r11);
|
||||
error("R12=%#llx R13=%#llx R14=%#llx R15=%#llx", Frame->r12, Frame->r13, Frame->r14, Frame->r15);
|
||||
error("RAX=%#llx RBX=%#llx RCX=%#llx RDX=%#llx", Frame->rax, Frame->rbx, Frame->rcx, Frame->rdx);
|
||||
error("RSI=%#llx RDI=%#llx RBP=%#llx RSP=%#llx", Frame->rsi, Frame->rdi, Frame->rbp, Frame->rsp);
|
||||
error("RIP=%#llx RFL=%#llx INT=%#llx ERR=%#llx EFER=%#llx", Frame->rip, Frame->rflags.raw, Frame->InterruptNumber, Frame->ErrorCode, efer.raw);
|
||||
error("CR0=%#llx CR2=%#llx CR3=%#llx CR4=%#llx CR8=%#llx", cr0.raw, cr2.raw, cr3.raw, cr4.raw, cr8.raw);
|
||||
|
||||
error("CR0: PE:%s MP:%s EM:%s TS:%s ET:%s NE:%s WP:%s AM:%s NW:%s CD:%s PG:%s R0:%#x R1:%#x R2:%#x",
|
||||
cr0.PE ? "True " : "False", cr0.MP ? "True " : "False", cr0.EM ? "True " : "False", cr0.TS ? "True " : "False",
|
||||
cr0.ET ? "True " : "False", cr0.NE ? "True " : "False", cr0.WP ? "True " : "False", cr0.AM ? "True " : "False",
|
||||
cr0.NW ? "True " : "False", cr0.CD ? "True " : "False", cr0.PG ? "True " : "False",
|
||||
cr0.Reserved0, cr0.Reserved1, cr0.Reserved2);
|
||||
|
||||
error("CR2: PFLA: %#llx",
|
||||
cr2.PFLA);
|
||||
|
||||
error("CR3: PWT:%s PCD:%s PDBR:%#llx",
|
||||
cr3.PWT ? "True " : "False", cr3.PCD ? "True " : "False", cr3.PDBR);
|
||||
|
||||
error("CR4: VME:%s PVI:%s TSD:%s DE:%s PSE:%s PAE:%s MCE:%s PGE:%s PCE:%s UMIP:%s OSFXSR:%s OSXMMEXCPT:%s LA57:%s VMXE:%s SMXE:%s PCIDE:%s OSXSAVE:%s SMEP:%s SMAP:%s PKE:%s R0:%#x R1:%#x R2:%#x",
|
||||
cr4.VME ? "True " : "False", cr4.PVI ? "True " : "False", cr4.TSD ? "True " : "False", cr4.DE ? "True " : "False",
|
||||
cr4.PSE ? "True " : "False", cr4.PAE ? "True " : "False", cr4.MCE ? "True " : "False", cr4.PGE ? "True " : "False",
|
||||
cr4.PCE ? "True " : "False", cr4.UMIP ? "True " : "False", cr4.OSFXSR ? "True " : "False", cr4.OSXMMEXCPT ? "True " : "False",
|
||||
cr4.LA57 ? "True " : "False", cr4.VMXE ? "True " : "False", cr4.SMXE ? "True " : "False", cr4.PCIDE ? "True " : "False",
|
||||
cr4.OSXSAVE ? "True " : "False", cr4.SMEP ? "True " : "False", cr4.SMAP ? "True " : "False", cr4.PKE ? "True " : "False",
|
||||
cr4.Reserved0, cr4.Reserved1, cr4.Reserved2);
|
||||
|
||||
error("CR8: TPL:%d", cr8.TPL);
|
||||
|
||||
error("RFL: CF:%s PF:%s AF:%s ZF:%s SF:%s TF:%s IF:%s DF:%s OF:%s IOPL:%s NT:%s RF:%s VM:%s AC:%s VIF:%s VIP:%s ID:%s AlwaysOne:%d R0:%#x R1:%#x R2:%#x R3:%#x",
|
||||
Frame->rflags.CF ? "True " : "False", Frame->rflags.PF ? "True " : "False", Frame->rflags.AF ? "True " : "False", Frame->rflags.ZF ? "True " : "False",
|
||||
Frame->rflags.SF ? "True " : "False", Frame->rflags.TF ? "True " : "False", Frame->rflags.IF ? "True " : "False", Frame->rflags.DF ? "True " : "False",
|
||||
Frame->rflags.OF ? "True " : "False", Frame->rflags.IOPL ? "True " : "False", Frame->rflags.NT ? "True " : "False", Frame->rflags.RF ? "True " : "False",
|
||||
Frame->rflags.VM ? "True " : "False", Frame->rflags.AC ? "True " : "False", Frame->rflags.VIF ? "True " : "False", Frame->rflags.VIP ? "True " : "False",
|
||||
Frame->rflags.ID ? "True " : "False", Frame->rflags.AlwaysOne,
|
||||
Frame->rflags.Reserved0, Frame->rflags.Reserved1, Frame->rflags.Reserved2, Frame->rflags.Reserved3);
|
||||
|
||||
error("EFER: SCE:%s LME:%s LMA:%s NXE:%s SVME:%s LMSLE:%s FFXSR:%s TCE:%s R0:%#x R1:%#x R2:%#x",
|
||||
efer.SCE ? "True " : "False", efer.LME ? "True " : "False", efer.LMA ? "True " : "False", efer.NXE ? "True " : "False",
|
||||
efer.SVME ? "True " : "False", efer.LMSLE ? "True " : "False", efer.FFXSR ? "True " : "False", efer.TCE ? "True " : "False",
|
||||
efer.Reserved0, efer.Reserved1, efer.Reserved2);
|
||||
}
|
||||
|
||||
switch (Frame->InterruptNumber)
|
||||
{
|
||||
case CPU::x64::DivideByZero:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Debug:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::NonMaskableInterrupt:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Breakpoint:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Overflow:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::BoundRange:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::InvalidOpcode:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::DeviceNotAvailable:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::DoubleFault:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::CoprocessorSegmentOverrun:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::InvalidTSS:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::SegmentNotPresent:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::StackSegmentFault:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::GeneralProtectionFault:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::PageFault:
|
||||
{
|
||||
CPU::x64::PageFaultErrorCode params = {.raw = (uint32_t)Frame->ErrorCode};
|
||||
error("An exception occurred at %#lx by %#lx", CPU::x64::readcr2().PFLA, Frame->rip);
|
||||
error("Page: %s", params.P ? "Present" : "Not Present");
|
||||
error("Write Operation: %s", params.W ? "Read-Only" : "Read-Write");
|
||||
error("Processor Mode: %s", params.U ? "User-Mode" : "Kernel-Mode");
|
||||
error("CPU Reserved Bits: %s", params.R ? "Reserved" : "Unreserved");
|
||||
error("Caused By An Instruction Fetch: %s", params.I ? "Yes" : "No");
|
||||
error("Caused By A Protection-Key Violation: %s", params.PK ? "Yes" : "No");
|
||||
error("Caused By A Shadow Stack Access: %s", params.SS ? "Yes" : "No");
|
||||
error("Caused By An SGX Violation: %s", params.SGX ? "Yes" : "No");
|
||||
if (Frame->ErrorCode & 0x00000008)
|
||||
error("One or more page directory entries contain reserved bits which are set to 1.");
|
||||
DisplayTopOverlay();
|
||||
DisplayMainScreen(crashdata);
|
||||
DisplayBottomOverlay();
|
||||
Display->SetBuffer(255);
|
||||
debug("Interrupts are enabled, waiting for user input");
|
||||
CPU::Interrupts(CPU::Enable);
|
||||
HookKeyboard();
|
||||
}
|
||||
else
|
||||
error(PagefaultDescriptions[Frame->ErrorCode & 0b111]);
|
||||
break;
|
||||
{
|
||||
/*
|
||||
TODO: Stuff that should be done when IOC is disabled.
|
||||
*/
|
||||
Display->SetBuffer(255);
|
||||
}
|
||||
|
||||
CPU::Halt(true);
|
||||
}
|
||||
case CPU::x64::x87FloatingPoint:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::AlignmentCheck:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::MachineCheck:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::SIMDFloatingPoint:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Virtualization:
|
||||
{
|
||||
break;
|
||||
}
|
||||
case CPU::x64::Security:
|
||||
{
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
error("End of report.");
|
||||
CPU::Interrupts(CPU::Enable);
|
||||
debug("Interrupts enabled back.");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user