82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
#include <drivers/vgascreen.h>
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#include <cpu/isr.h>
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#include <cpu/timer.h>
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#include <drivers/keyboard.h>
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#include <mem/mem.h>
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#include <multiboot.h>
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#include <drivers/serial.h>
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#include <libk/kprint.h>
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#include <libk/libk.h>
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#include <drivers/pci.h>
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#include <libc/kprintf.h>
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#include <fs/blockdev.h>
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#include <cpu/cpuidx.h>
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#include <tasks/task.h>
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#include <libk/syscall.h>
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#include <command.h>
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#include <attributes.h>
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const int version_major = 0,
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version_minor = 0,
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version_patch = 1;
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void init_mmap(multiboot_info_t *multiboot_info) {
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if (multiboot_info->flags & (1 << 6)) {
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mmap_init_multiboot((struct multiboot_mmap_entry *) multiboot_info->mmap_addr,
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multiboot_info->mmap_length / sizeof(struct multiboot_mmap_entry));
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} else {
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k_panics("mmap invalid!\n");
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}
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}
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void init_pci_system() {
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pci_scan();
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pci_init_drivers();
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}
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void noreturn used kmain(multiboot_info_t *multiboot_info, uint32_t mb_name) {
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// early init
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isr_install();
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vga_clear_screen();
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vga_clear_screen(' ', VGA_WHITE | (VGA_GRAY << VGA_SHIFT_BG));
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kprint_register(vga_kprint);
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serial_init();
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kprint_register(serial_kprint);
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// parse multiboot
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if (mb_name != MULTIBOOT_BOOTLOADER_MAGIC) {
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k_panics("Not booted by multiboot\n");
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}
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store_bootloader_info(multiboot_info);
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// initialize memory management
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init_mmap(multiboot_info);
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// initialize kprint functionality
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kprint_init();
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// identify cpu
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cpuidx_print_info();
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// enable interrupts
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__asm__ __volatile__("sti");
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// start the timer
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init_timer(1000);
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// initialize devices
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init_keyboard();
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init_pci_system();
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printf("Booted successfully v%d.%d.%d\n", version_major, version_minor, version_patch);
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// initialize tasking
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task_init();
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kprint_start_task();
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block_dev_start_task();
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#ifdef K_SHELL
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task_spawn(main_loop, NULL);
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#endif
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// switch to tasking
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syscall_start_scheduler();
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}
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