#include <limine/stivale/stivale2.h>
#include <stdint.h>
#include <stddef.h>

#include <arch/x86/stivale2-parse.h>
#include <arch/x86_64/gdt.h>
#include <arch/x86_64/interrupt.h>
#include <print/print.h>

#include <main.h>


static uint8_t stack[4096] = {0};
void stivale2_main(struct stivale2_struct *info);

extern void asmpanic();

struct stivale2_header_tag_smp smp_request = {
    .tag = {
        .identifier = STIVALE2_HEADER_TAG_SMP_ID,
        .next       = 0
    },
    .flags = 0
};

__attribute__((section(".stivale2hdr"), used))
struct stivale2_header header2 = {
    .entry_point = (uint64_t)stivale2_main,
    .stack       = (uintptr_t)stack + sizeof(stack),
    .flags       = 0,
    .tags        = (uint64_t)&smp_request
};

void stivale2_main(struct stivale2_struct *info) {
    parse_stivale2(info);
    // print_stivale2_memmap(info);

    uint64_t* cr3;
    __asm__ __volatile__ (
        "movq %%cr3, %0\n\t"
    : "=r" (cr3)
    : /* no input */
    : /* no clobbers */
    );
    printf("PAGE TABLE AT: %x\n", cr3);

    loadgdt();
    print_gdt();

    setup_ints();

    kmain();
}