62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/**************************************
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* iceOS Kernel *
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* Developed by Marco 'icebit' Cetica *
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* (c) 2019 *
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* Released under GPLv3 *
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* https://github.com/ice-bit/iceOS *
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***************************************/
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#include "drivers/tty.h"
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#include "drivers/gdt.h"
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#include "drivers/idt.h"
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#include "drivers/timer.h"
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#include "drivers/keyboard.h"
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#include "mem/paging.h"
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#include "mem/kheap.h"
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#include "shell/shell.h"
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#include "libc/stdio.h"
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#include "libc/assert.h"
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#include <stdint.h>
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void kernel_main() {
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printf_color("\n[STATUS]", LIGHT_GREEN, BLACK);
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printf_color(" - Loading kernel, wait please...", WHITE, BLACK);
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gdt_setup(); // Setup Global Descriptor Table
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printf_color("\n[INFO]", LIGHT_CYAN, BLACK);
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printf_color(" - Loaded GDT", WHITE, BLACK);
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idt_setup(); // Setup Interrupt Descriptor Table
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printf_color("\n[INFO]", LIGHT_CYAN, BLACK);
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printf_color(" - Loaded IDT", WHITE, BLACK);
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init_timer(1); // Initialize PIT driver
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printf_color("\n[INFO]", LIGHT_CYAN, BLACK);
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printf_color(" - Loaded PIT", WHITE, BLACK);
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init_keyboard(); // Initialize keyboard driver
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printf_color("\n[INFO]", LIGHT_CYAN, BLACK);
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printf_color(" - Loaded PS/2 driver", WHITE, BLACK);
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init_paging(); // Initialize paging
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printf_color("\n[INFO]", LIGHT_CYAN, BLACK);
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printf_color(" - Loaded Paging", WHITE, BLACK);
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printf_color("\n[TEST]", LIGHT_BROWN, BLACK); // Testing heap
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printf_color(" - Testing heap..\n", LIGHT_BROWN, BLACK);
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uint32_t x = kmalloc(32), y = kmalloc(32);
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printf("x: %x, y: %x", x, y);
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kfree((void*)y);
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uint32_t z = kmalloc(8);
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printf(", z: %x\n", z); // If z is equal to y, heap's anti-fragmentation algorithm works
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ASSERT(z == y);
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kfree((void*)z), kfree((void*)x);
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printf_color("[STATUS]", LIGHT_GREEN, BLACK);
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printf_color(" - Heap works!", WHITE, BLACK);
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iceos_ascii_logo();
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init_prompt(); // Initialize frame buffer
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}
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