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Kernel: Switch back to kernel address space on kernel panic

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apio 2022-10-18 17:13:43 +02:00
parent 92d8c9d4d5
commit 48d68a3e31
1 changed files with 8 additions and 0 deletions
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8
kernel/src/panic/Panic.cpp
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@ -5,7 +5,9 @@
#include "interrupts/IDT.h" #include "interrupts/IDT.h"
#include "io/PIC.h" #include "io/PIC.h"
#include "log/Log.h" #include "log/Log.h"
#include "memory/VMM.h"
#include "misc/MSR.h" #include "misc/MSR.h"
#include "render/Framebuffer.h"
#include "render/TextRenderer.h" #include "render/TextRenderer.h"
#include "std/stdio.h" #include "std/stdio.h"
#include "thread/Scheduler.h" #include "thread/Scheduler.h"
@ -25,6 +27,8 @@ void dump_registers(Context* context)
[[noreturn]] void __panic_stub(Context* context) [[noreturn]] void __panic_stub(Context* context)
{ {
VMM::switch_back_to_kernel_address_space();
VMM::apply_address_space();
if (context) dump_registers(context); if (context) dump_registers(context);
if (InitRD::is_initialized()) if (InitRD::is_initialized())
@ -73,6 +77,8 @@ extern "C" [[noreturn]] bool __do_int_panic(Context* context, const char* file,
TextRenderer::reset(); TextRenderer::reset();
framebuffer0.clear(Color::Black);
if (context->number >= 0x20 && context->number < 0x30) { PIC::send_eoi((uint8_t)(context->irq_number & 0xFF)); } if (context->number >= 0x20 && context->number < 0x30) { PIC::send_eoi((uint8_t)(context->irq_number & 0xFF)); }
Task* task; Task* task;
@ -93,6 +99,8 @@ extern "C" [[noreturn]] bool __do_panic(const char* file, int line, const char*
TextRenderer::reset(); TextRenderer::reset();
framebuffer0.clear(Color::Black);
Task* task; Task* task;
if ((task = Scheduler::current_task())) if ((task = Scheduler::current_task()))
{ {