-void _start(void)
+#include <tty.h>
+#include <io.h>
+#include <irq/idt.h>
+#include <irq/i8259a.h>
+#include <stdint.h>
+
+extern void double_fault(struct abort_frame *frame);
+extern void keyb_handler(struct interrupt_frame *frame);
+struct idt_descriptor idt[256] __attribute__((aligned(0x10)));
+struct idtr idtr __attribute__((aligned(0x10)));
+
+void kmain(void)
{
- char *video_memory = (char *) 0xB8000; /* VGA VRAM starts at 0xB8000 */
- *video_memory = 'A'; /* put an A at the beginning of the VRAM */
+ screen_clear();
+ kprint("Welcome to Nameless OS!\nRunning revision: ", 0);
+ kprint(GIT_COMMIT, 0);
+ kprint("\n", 0);
+ kprint("Preparing IDT...\n", 0);
+ idt_set_descriptor(idt, 0x8, 0x8, (uint32_t) double_fault, IDT_TRAP_GATE, 0x0);
+ idt_set_descriptor(idt, 0x21, 0x8, (uint32_t) keyb_handler, IDT_INTERRUPT_GATE, 0x0);
+ kprint("IDT prepared, loading...\n", 0);
+ populate_idtr(&idtr, idt);
+ load_idt(idtr);
+ kprint("IDT loaded, enabling interrupts...\n", 0);
+ pic_init(0x20, 0x28);
+ pic_mask_all();
+ pic_unmask(1);
+ asm volatile ("sti");
+ kprint("All done\n", 0);
+ kprintdec(12345);
+ kprintc('\n');
+ kprintdec(6789);
+ kprintc('\n');
+ while(1);
}