//=====================================================================
// glitch kernel
// spdx-license-identifier: ISC
// description: kernel entry point
//=====================================================================

extern "C" {
#include "conf.h"
#include "mem.h"
#include <keyboard.h>
#include <mouse.h>
#include <pic.h>
#include <ps2_controller.h>
#include <stdio.h>
#include <sys/cpuid.h>
}
#include <uart.hpp>
#include <vga.hpp>

FILE *stdin;
FILE *stdout;
FILE *stderr;

extern "C" void
kmain()
{
  stderr = uart_init<COM1>();
  vmm_map(0xb8000, 0xc03ff000);
  stdout = vga_init((void *)0xc03ff000);

  printf("glitch [version " VERSION "] [" CC "]\n");
  fprintf(stderr, "glitch [version " VERSION "] [" CC "]\n");
  {
    char vendor[13] = {'\0'};
    unsigned int eax;
    __get_cpuid(0, &eax, (unsigned int *)vendor, (unsigned int *)(vendor + 8), (unsigned int *)(vendor + 4));
    struct CPUVersion v;
    __get_cpuid(1, (unsigned int *)&v, &eax, &eax, &eax);
    printf("CPU: %s family %u model %u stepping %u\n", vendor, family(v), model(v), v.stepping);
    fprintf(stderr, "CPU: %s family %u model %u stepping %u\n", vendor, family(v), model(v), v.stepping);
  }

  pic_init();

  ps2_ctrl_init();
  ps2_keyboard_init();
  mouse_init();

  pic_enable();
  fprintf(stderr, "interrupts enabled\n");

  /*
    alloc4M();
    char *c = (char *)0xc0700000;
    if (*c == 0) printf("c is 0\r\n");
  */

  while (1) {}
}