IDT

kernel/isr.cpp

@@ -0,0 +1,68 @@
+
+#include <kernel/drivers/terminal/terminal.h>
+#include <kernel/panic.h>
+#include <kernel/kernio.h>
+
+struct Regs_t {
+    unsigned int gs, fs, es, ds;      /* pushed the segs last */
+    unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax;  /* pushed by 'pusha' */
+    unsigned int int_no, err_code;    /* our 'push byte #' and ecodes do this */
+    unsigned int eip, cs, eflags, useresp, ss;   /* pushed by the processor automatically */ 
+};
+
+char *PanicMessage[] = {
+    "Division By Zero",
+    "Debug",
+    "Non Maskable Interrupt",
+    "Break Point",
+    "Into Detect Overflow",
+    "Out of bounds Exception",
+    "Invalid Opcode",
+    "No Coprocessor",
+    "Double Fault",
+    "Coprocessor Segment Overrun",
+    "Bad TSS Exception",
+    "Segment not present",
+    "Stack Fault",
+    "General Protection Fault",
+    "Page Fault",
+    "Unknown Interrupt",
+    "Coprocessor Fault",
+    "Alignement Check Exception",
+    "Machine Check Exception",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved",
+    "Reserved"
+};
+
+extern "C" {
+
+void DEFAULT_ISR() {
+    Write("SMH \n");
+    outb(0x20,0x20);
+}
+
+void KeyboardHandler() {
+    Write("Keyboard Pressed! \n");
+    outb(0x20,0x20);
+}
+
+void FaultHandler(struct Regs_t *r) {
+    uint32_t val;
+    asm volatile ( "mov %%cr2, %0" : "=r"(val) );
+    PanicKernel(val, PanicMessage[r->int_no]);
+    for (;;)
+        asm("hlt");
+}
+
+}