kernel/kernel.c

#include "vga.h"

// static inline void outb(unsigned int port, unsigned char val) {
//   asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port) : "memory");
// }

void kmain (void) {

    // Cursor disabling
    // TODO: outb function
    //outb(0x3D4, 0x0A);
    //outb(0x3D5, 0x20);

    //cls();
    vga_init(VGA_COLOR_GREY, VGA_COLOR_BLACK);

    vga_write_line("=== KoalemOS ===");
    vga_write("Testing color writing... ");
    vga_write_color("Yes", VGA_COLOR_BLACK, VGA_COLOR_GREEN);
    vga_write_color("No", VGA_COLOR_BLACK, VGA_COLOR_RED);
    vga_write_line("Execution finished. Halting CPU...");
}