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#include <assert.h>
#include <cpu/arch_inst.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 <fcntl.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 <network/arp.h>
#include <random.h>
#include <sched/scheduler.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <timer.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) {
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, mb);
klog(LOG_SUCCESS, "Paging Initalized");
mb = mmu_map_frames((multiboot_info_t *)addr, sizeof(multiboot_info_t));
assert(mb);
assert(display_driver_init(mb));
gdt_init();
klog(LOG_SUCCESS, "GDT Initalized");
idt_init();
klog(LOG_SUCCESS, "IDT Initalized");
setup_random();
timer_start_init();
syscalls_init();
klog(LOG_SUCCESS, "Syscalls Initalized");
pit_install();
set_pit_count(2);
klog(LOG_SUCCESS, "PIT driver installed");
ata_init();
klog(LOG_SUCCESS, "ATA Initalized");
tasking_init();
klog(LOG_SUCCESS, "Tasking Initalized");
install_mouse();
klog(LOG_SUCCESS, "PS2 Mouse driver installed");
install_keyboard();
klog(LOG_SUCCESS, "PS2 Keyboard driver installed");
global_socket_init();
vfs_mount("/dev", devfs_mount());
assert(ahci_init());
vfs_inode_t *ext2_mount_point = ext2_mount();
assert(ext2_mount_point);
vfs_mount("/", ext2_mount_point);
add_stdout();
add_serial();
add_random_devices();
timer_wait_for_init();
timer_add_clock();
shm_init();
add_keyboard();
add_mouse();
rtl8139_init();
ipv4_t gateway;
gen_ipv4(&gateway, 10, 0, 2, 2);
ipv4_t bitmask;
gen_ipv4(&bitmask, 255, 255, 255, 0);
setup_network(gateway, bitmask);
gen_ipv4(&ip_address, 10, 0, 2, 15);
enable_interrupts();
add_vbe_device();
int pid;
if (0 == (pid = fork())) {
char *argv[] = {"/init", NULL};
if (0 == exec("/init", argv, 0, 0)) {
kprintf("exec() failed\n");
}
}
for (;;) {
current_task->sleep_until = timer_get_uptime() + 100000000;
wait_for_interrupt();
}
}
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