1 files changed, 48 insertions, 0 deletions
diff --git a/src/kernel/arch/amd64/interrupts/isr.c b/src/kernel/arch/amd64/interrupts/isr.c
new file mode 100644
index 0000000..b55bc8b
--- /dev/null
+++ b/src/kernel/arch/amd64/interrupts/isr.c
@@ -0,0 +1,48 @@
+#include <kernel/arch/amd64/driver/ps2.h>
+#include <kernel/arch/amd64/driver/serial.h>
+#include <kernel/arch/amd64/interrupts/irq.h>
+#include <kernel/arch/amd64/interrupts/isr.h>
+#include <kernel/arch/amd64/port_io.h>
+#include <kernel/arch/generic.h>
+#include <kernel/panic.h>
+#include <kernel/proc.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+bool isr_test_interrupt_called = false;
+
+void isr_stage3(int interrupt, uint64_t *stackframe) {
+	if (interrupt == 0xe) stackframe++;
+	kprintf("interrupt %x, rip = k/%08x, cs 0x%x\n", interrupt, stackframe[0], stackframe[1]);
+	switch (interrupt) {
+		case 0x08: // double fault
+			kprintf("#DF");
+			panic_invalid_state();
+
+		case 0xe:
+			uint64_t addr = 0x69;
+			asm("mov %%cr2, %0" : "=r"(addr));
+			kprintf("error code 0x%x, addr 0x%x\n", stackframe[-1], addr);
+			panic_unimplemented();
+
+		case 0x34:
+			asm("nop" ::: "memory");
+			isr_test_interrupt_called = true;
+			return;
+
+		case 0x21: // keyboard irq
+			ps2_recv(port_in8(0x60));
+			irq_eoi(1);
+			return;
+
+		case 0x24: // COM1 irq
+			serial_irq();
+			irq_eoi(1);
+			return;
+
+		default:
+			// TODO check if the exception was in the kernel
+			process_kill(process_current, interrupt);
+			process_switch_any();
+	}
+}