mtgos-kernel/kernel/arch/x86/interrupt.cpp

42 lines
1.2 KiB
C++

#include "../../hw/pc/8259/pic.hpp"
#include <base.hpp>
#include <regs.h>
#include <irq.hpp>
void print_regdump(cpu_state *state) {
(*out << "eax: ").puti(state->eax);
(*out << " ebx: ").puti(state->ebx);
(*out << " ecx: ").puti(state->ecx);
(*out << " edx: ").puti(state->edx);
(*out << " esi: ").puti(state->esi);
(*out << " edi: ").puti(state->edi);
(*out << " ebp: ").puti(state->ebp);
(*out << " eip: ").puti(state->eip);
(*out << " esp: ").puti(state->esp);
*out << "\n";
}
extern "C" void panic2(cpu_state *state);
extern "C" cpu_state *handleINT(cpu_state *state) {
*out << "Interrupt ";
out->puti(state->intr);
*out << " occurred!\n";
cpu_state *new_cpu=state;
if (state->intr < 32) {
out->setColor(Color::RED);
print_regdump(state);
*out << "KERNEL PANIC: Unhandled CPU exception\n";
for (;;)
;
} else if(state->intr < 48) {
new_cpu=(cpu_state*)irqs->handleIRQ(new_cpu);
}
return new_cpu;
}
extern "C" void panic2(cpu_state *state) {
state->esp = (uintptr_t)state;
state->eip = state->intr;
out->setColor(Color::RED);
*out << "KERNEL PANIC: " << (char *)state->error << "\n";
print_regdump(state);
for (;;)
;
}