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#include <kernel/arch/amd64/boot.h>
#include <kernel/arch/amd64/driver/fsroot.h>
#include <kernel/arch/amd64/driver/pata.h>
#include <kernel/arch/amd64/driver/ps2.h>
#include <kernel/arch/amd64/driver/serial.h>
#include <kernel/arch/amd64/driver/video.h>
#include <kernel/arch/amd64/interrupts/idt.h>
#include <kernel/arch/amd64/interrupts/irq.h>
#include <kernel/arch/amd64/multiboot.h>
#include <kernel/arch/amd64/tty/tty.h>
#include <kernel/arch/generic.h>
#include <kernel/main.h>
#include <kernel/mem/alloc.h>
#include <kernel/panic.h>
static void find_init(struct multiboot_info *multiboot, struct kmain_info *info)
{
struct multiboot_mod *module = (void*)(long)multiboot->mods;
if (multiboot->mods_count != 1) {
kprintf("unexpected amount of multiboot modules\n");
panic_invalid_state();
}
info->init.at = (void*)(long)module->start;
info->init.size = module->end - module->start;
}
void kmain_early(struct multiboot_info *multiboot) {
struct kmain_info info;
struct fb_info vid;
tty_init();
kprintf("idt...");
idt_init();
kprintf("irq...");
irq_init();
info.memtop = (void*)(long)(multiboot->mem_upper * 1024);
find_init(multiboot, &info);
info.fb.at = (void*)multiboot->framebuffer_addr;
info.fb.size = multiboot->framebuffer_pitch * multiboot->framebuffer_height;
kprintf("mem...\n");
mem_init(&info);
kprintf("rootfs...\n");
vfs_root_init();
ps2_init();
serial_init();
kprintf("ata...\n");
pata_init();
vid.b = (void*)multiboot->framebuffer_addr;
vid.pitch = multiboot->framebuffer_pitch;
vid.width = multiboot->framebuffer_width;
vid.height = multiboot->framebuffer_height;
vid.bpp = multiboot->framebuffer_bpp;
vid.size = vid.pitch * vid.height;
kprintf("kernel %8x -> %8x\n", 0, &_bss_end);
kprintf("init %8x -> %8x\n", info.init.at, info.init.at + info.init.size);
kprintf("video %8x -> %8x\n", vid.b, vid.b + vid.size);
kprintf("limit %8x\n", info.memtop);
kprintf("framebuffer at 0x%x, %ux%u bpp %u\n", vid.b, vid.width, vid.height, vid.bpp);
video_init(vid);
kmain(info);
}
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