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feat: S3 sleep, PDF viewer graphics rendering, live user environment

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This commit is contained in:
Daniel Hammer
2026-03-15 18:46:54 +01:00
parent 64c26f4288
commit ffffb6a0c5
26 changed files with 1541 additions and 248 deletions
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kernel/src/Common/Panic.cpp
+77 -59
View File
@@ -6,72 +6,52 @@
#include "Panic.hpp"
#include "../CppLib/BoxUI.hpp"
void Panic(const char *meditationString, System::PanicFrame* frame) {
const int boxWidth = 72;
static constexpr int BoxWidth = 72;
// Header
kerr << BOXUI_ANSI_RED_BG << BOXUI_ANSI_WHITE_FG << BOXUI_ANSI_BOLD << "\n";
kerr << BOXUI_TL;
for (int i = 0; i < boxWidth - 2; ++i) kerr << BOXUI_H;
kerr << BOXUI_TR << "\n";
PrintBoxedLine(kerr, "!!! KERNEL PANIC !!!", boxWidth, true);
PrintBoxedLine(kerr, "", boxWidth);
PrintBoxedLine(kerr, "System halted. Please reboot.", boxWidth, true);
PrintBoxedLine(kerr, "", boxWidth);
PrintBoxedSeparator(kerr, boxWidth);
PrintBoxedLine(kerr, "Meditation:", boxWidth, true);
PrintBoxedLine(kerr, meditationString, boxWidth);
PrintBoxedLine(kerr, "", boxWidth);
static void PrintHorizontalEdge(const char* left, const char* right) {
kerr << left;
for (int i = 0; i < BoxWidth - 2; ++i) kerr << BOXUI_H;
kerr << right << "\n";
}
#if defined (__x86_64__)
if (frame != nullptr) {
PrintBoxedSeparator(kerr, boxWidth);
PrintBoxedLine(kerr, "CPU State:", boxWidth, true);
PrintBoxedHex(kerr, "Interrupt Vector", frame->InterruptVector, boxWidth);
static void PrintPageFaultInfo(System::PanicFrame*& frame) {
auto* pf = (System::PageFaultPanicFrame*)frame;
frame = (System::PanicFrame*)&pf->IP;
if (frame->InterruptVector == 0xE) {
auto pf_frame = (System::PageFaultPanicFrame*)frame;
frame = (System::PanicFrame*)&pf_frame->IP;
uint64_t cr2;
asm volatile("mov %%cr2, %0" : "=r"(cr2));
PrintBoxedHex(kerr, "Faulting Address (CR2)", cr2, BoxWidth);
// CR2 holds the faulting virtual address for page faults
uint64_t cr2;
asm volatile("mov %%cr2, %0" : "=r"(cr2));
PrintBoxedHex(kerr, "Faulting Address (CR2)", cr2, boxWidth);
PrintBoxedLine(kerr, "Page Fault Error:", BoxWidth, true);
PrintBoxedDec(kerr, "Present", pf->PageFaultError.Present, BoxWidth);
PrintBoxedDec(kerr, "Write", pf->PageFaultError.Write, BoxWidth);
PrintBoxedDec(kerr, "User", pf->PageFaultError.User, BoxWidth);
PrintBoxedDec(kerr, "Reserved Write", pf->PageFaultError.ReservedWrite, BoxWidth);
PrintBoxedDec(kerr, "Instruction Fetch",pf->PageFaultError.InstructionFetch, BoxWidth);
PrintBoxedDec(kerr, "Protection Key", pf->PageFaultError.ProtectionKey, BoxWidth);
PrintBoxedDec(kerr, "Shadow Stack", pf->PageFaultError.ShadowStack, BoxWidth);
PrintBoxedDec(kerr, "SGX", pf->PageFaultError.SGX, BoxWidth);
}
PrintBoxedLine(kerr, "Page Fault Error:", boxWidth, true);
PrintBoxedDec(kerr, "Present", pf_frame->PageFaultError.Present, boxWidth);
PrintBoxedDec(kerr, "Write", pf_frame->PageFaultError.Write, boxWidth);
PrintBoxedDec(kerr, "User", pf_frame->PageFaultError.User, boxWidth);
PrintBoxedDec(kerr, "Reserved Write", pf_frame->PageFaultError.ReservedWrite, boxWidth);
PrintBoxedDec(kerr, "Instruction Fetch", pf_frame->PageFaultError.InstructionFetch, boxWidth);
PrintBoxedDec(kerr, "Protection Key", pf_frame->PageFaultError.ProtectionKey, boxWidth);
PrintBoxedDec(kerr, "Shadow Stack", pf_frame->PageFaultError.ShadowStack, boxWidth);
PrintBoxedDec(kerr, "SGX", pf_frame->PageFaultError.SGX, boxWidth);
} else if (frame->InterruptVector == 0xD) {
auto gpf_frame = (System::GPFPanicFrame*)frame;
frame = (System::PanicFrame*)&frame->IP;
PrintBoxedLine(kerr, "General Protection Fault:", boxWidth, true);
PrintBoxedDec(kerr, "Error Code", gpf_frame->GeneralProtectionFaultError, boxWidth);
}
static void PrintGPFInfo(System::PanicFrame*& frame) {
auto* gpf = (System::GPFPanicFrame*)frame;
frame = (System::PanicFrame*)&gpf->IP;
PrintBoxedSeparator(kerr, boxWidth);
PrintBoxedLine(kerr, "Registers:", boxWidth, true);
PrintBoxedHex(kerr, "Instruction Pointer", frame->IP, boxWidth);
PrintBoxedHex(kerr, "Code Segment", frame->CS, boxWidth);
PrintBoxedHex(kerr, "Flags", frame->Flags, boxWidth);
PrintBoxedHex(kerr, "Stack Pointer", frame->SP, boxWidth);
PrintBoxedHex(kerr, "Stack Segment", frame->SS, boxWidth);
}
#endif
PrintBoxedLine(kerr, "General Protection Fault:", BoxWidth, true);
PrintBoxedDec(kerr, "Error Code", gpf->GeneralProtectionFaultError, BoxWidth);
}
PrintBoxedLine(kerr, "", boxWidth);
// Footer
kerr << BOXUI_BL;
for (int i = 0; i < boxWidth - 2; ++i) kerr << BOXUI_H;
kerr << BOXUI_BR << "\n";
kerr << BOXUI_ANSI_RESET;
static void PrintRegisters(System::PanicFrame* frame) {
PrintBoxedSeparator(kerr, BoxWidth);
PrintBoxedLine(kerr, "Registers:", BoxWidth, true);
PrintBoxedHex(kerr, "Instruction Pointer", frame->IP, BoxWidth);
PrintBoxedHex(kerr, "Code Segment", frame->CS, BoxWidth);
PrintBoxedHex(kerr, "Flags", frame->Flags, BoxWidth);
PrintBoxedHex(kerr, "Stack Pointer", frame->SP, BoxWidth);
PrintBoxedHex(kerr, "Stack Segment", frame->SS, BoxWidth);
}
[[noreturn]] static void Halt() {
while (true) {
#if defined (__x86_64__)
asm ("cli");
@@ -82,4 +62,42 @@ void Panic(const char *meditationString, System::PanicFrame* frame) {
asm ("idle 0");
#endif
}
}
}
void Panic(const char *meditationString, System::PanicFrame* frame) {
// Header
kerr << BOXUI_ANSI_RED_BG << BOXUI_ANSI_WHITE_FG << BOXUI_ANSI_BOLD << "\n";
PrintHorizontalEdge(BOXUI_TL, BOXUI_TR);
PrintBoxedLine(kerr, "!!! KERNEL PANIC !!!", BoxWidth, true);
PrintBoxedLine(kerr, "", BoxWidth);
PrintBoxedLine(kerr, "System halted. Please reboot.", BoxWidth, true);
PrintBoxedLine(kerr, "", BoxWidth);
// Meditation string
PrintBoxedSeparator(kerr, BoxWidth);
PrintBoxedLine(kerr, meditationString, BoxWidth);
PrintBoxedLine(kerr, "", BoxWidth);
// CPU state (x86_64 only)
#if defined (__x86_64__)
if (frame != nullptr) {
PrintBoxedSeparator(kerr, BoxWidth);
PrintBoxedLine(kerr, "CPU State:", BoxWidth, true);
PrintBoxedHex(kerr, "Interrupt Vector", frame->InterruptVector, BoxWidth);
if (frame->InterruptVector == 0xE)
PrintPageFaultInfo(frame);
else if (frame->InterruptVector == 0xD)
PrintGPFInfo(frame);
PrintRegisters(frame);
}
#endif
// Footer
PrintBoxedLine(kerr, "", BoxWidth);
PrintHorizontalEdge(BOXUI_BL, BOXUI_BR);
kerr << BOXUI_ANSI_RESET;
Halt();
}