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#include <assert.h>
#include <cpu/gdt.h>
#include <cpu/idt.h>
#include <cpu/spinlock.h>
#include <cpu/syscall.h>
#include <crypto/SHA1/sha1.h>
#include <drivers/ahci.h>
#include <drivers/ata.h>
#include <drivers/keyboard.h>
#include <drivers/mouse.h>
#include <drivers/pit.h>
#include <drivers/rtl8139.h>
#include <drivers/serial.h>
#include <drivers/vbe.h>
#include <fs/devfs.h>
#include <fs/ext2.h>
#include <fs/shm.h>
#include <fs/vfs.h>
#include <interrupts.h>
#include <log.h>
#include <mmu.h>
#include <multiboot.h>
#include <random.h>
#include <sched/scheduler.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <typedefs.h>
#if defined(__linux__)
#error "You are not using a cross-compiler."
#endif
#if !defined(__i386__)
#error "This OS needs to be compiled with a ix86-elf compiler"
#endif
u32 inital_esp;
uintptr_t data_end;
void kernel_main(u32 kernel_end, unsigned long magic, unsigned long addr,
u32 inital_stack) {
(void)kernel_end;
data_end = 0xc0400000;
inital_esp = inital_stack;
disable_interrupts();
kprintf("If you see this then the serial driver works :D.\n");
assert(magic == MULTIBOOT_BOOTLOADER_MAGIC);
multiboot_info_t *mb = (multiboot_info_t *)(addr + 0xc0000000);
u32 mem_kb = mb->mem_lower;
u32 mem_mb = (mb->mem_upper - 1000) / 1000;
u64 memsize_kb = mem_mb * 1000 + mem_kb;
paging_init(memsize_kb);
klog("Paging Initalized", LOG_SUCCESS);
mb = mmu_map_frames((multiboot_info_t *)addr, sizeof(multiboot_info_t));
gdt_init();
klog("GDT Initalized", LOG_SUCCESS);
idt_init();
klog("IDT Initalized", LOG_SUCCESS);
syscalls_init();
klog("Syscalls Initalized", LOG_SUCCESS);
pit_install();
set_pit_count(100);
klog("PIT driver installed", LOG_SUCCESS);
ata_init();
klog("ATA Initalized", LOG_SUCCESS);
tasking_init();
klog("Tasking Initalized", LOG_SUCCESS);
install_mouse();
klog("PS2 Mouse driver installed", LOG_SUCCESS);
install_keyboard();
klog("PS2 Keyboard driver installed", LOG_SUCCESS);
vfs_mount("/dev", devfs_mount());
ahci_init();
vfs_mount("/", ext2_mount());
add_stdout();
add_serial();
add_random_devices();
shm_init();
setup_random();
add_keyboard();
add_mouse();
// rtl8139_init();
display_driver_init(mb);
add_vbe_device();
int pid;
if (0 == (pid = fork())) {
char *argv[] = {"/init", NULL};
if (0 == exec("/init", argv)) {
kprintf("exec() failed\n");
}
}
for (;;) {
get_current_task()->sleep_until = pit_num_ms() + 100000000;
switch_task();
}
}
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