forked from xamidev/pepperOS
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include <stdbool.h>
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#include <stddef.h>
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#include <limine.h>
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#include "io/term/term.h"
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#include "io/term/printf.h"
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#include "io/serial/serial.h"
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#include "mem/gdt/gdt.h"
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#include "mem/misc/utils.h"
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#include "idt/idt.h"
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#include "kernel.h"
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#include "time/timer.h"
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#include "io/kbd/ps2.h"
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// Limine version used
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__attribute__((used, section(".limine_requests")))
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static volatile LIMINE_BASE_REVISION(3);
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// Framebuffer request
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__attribute__((used, section(".limine_requests")))
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static volatile struct limine_framebuffer_request framebuffer_request = {
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.id = LIMINE_FRAMEBUFFER_REQUEST,
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.revision = 0
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};
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__attribute__((used, section(".limine_requests_start")))
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static volatile LIMINE_REQUESTS_START_MARKER;
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__attribute__((used, section(".limine_requests_end")))
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static volatile LIMINE_REQUESTS_END_MARKER;
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struct limine_framebuffer* framebuffer;
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// Panic
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static void hcf()
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{
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for (;;)
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{
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asm("hlt");
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}
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}
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// This is our entry point
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void kmain()
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{
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if (!LIMINE_BASE_REVISION_SUPPORTED) hcf();
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if (framebuffer_request.response == NULL || framebuffer_request.response->framebuffer_count < 1) hcf();
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// Get the first framebuffer from the response
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framebuffer = framebuffer_request.response->framebuffers[0];
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term_init();
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serial_init();
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CLEAR_INTERRUPTS;
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gdt_init();
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idt_init();
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timer_init();
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SET_INTERRUPTS;
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keyboard_init(FR);
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// Draw something
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printf("%s, %s!\n", "Hello", "world");
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// Yoohoooooo!
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DEBUG("kernel initialized successfully! hanging... wow=%d", 42);
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hcf();
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}
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