/**
 * HULK, the HOS Ultra Light Kernel.
 */
module hulk.hulk;

import hulk.header;
import hulk.fb;
import hulk.console;
import hos.memory;
import ldc.attributes;
import hulk.kfont;
import hulk.klog;
import hulk.hurl;
import hulk.hippo;
import hulk.pci;
import hulk.gdt;
import hulk.idt;
import hos.cpu;
import ldc.llvmasm;

extern extern(C) __gshared ubyte _hulk_total_size;

@(ldc.attributes.section(".hulk_header"))
private __gshared HulkHeader hulk_header = {
    &_hulk_total_size, /* total_size */
    &hulk_start, /* entry */
    16u * 1024u, /* stack_size */
    HULK_VIRTUAL_BASE_ADDRESS, /* virt_base */
    HULK_VIRTUAL_STACK_TOP_ADDRESS, /* virt_stack_top */
    HULK_VIRTUAL_FRAMEBUFFER_ADDRESS, /* virt_fb_buffer */
};

/**
 * HULK entry point.
 */
void hulk_start()
{
    cli();
    gdt.initialize();
    idt.initialize();
    fb.initialize(cast(uint *)HULK_VIRTUAL_FRAMEBUFFER_ADDRESS, hulk_header.bootinfo.fb.width, hulk_header.bootinfo.fb.height, hulk_header.bootinfo.fb.stride);
    console.initialize();
    console.clear();
    klog.initialize();

    klog.writefln("Welcome to HULK, the HOS UltraLight Kernel!");

    hippo.initialize(&hulk_header);
    pci.initialize();
    sti();

    for (;;)
    {
        hlt();
    }
}