138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
/* Check if the compiler thinks you are targeting the wrong operating system. */
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#if defined(__linux__)
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#error "You are not using a cross-compiler, you will most certainly run into trouble"
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#endif
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/* This tutorial will only work for the 32-bit ix86 targets. */
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#if !defined(__i386__)
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#error "This kernel needs to be compiled with a ix86-elf compiler"
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#endif
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <kernel/boot.h>
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#include <panic.h>
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#include <gdt.h>
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#include <idt.h>
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#include <multiboot.h>
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#include <stdio.h>
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#include <drivers/pci.h>
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#include <drivers/ps2_keyboard.h>
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//#include <drivers/ahci.h>
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#include <drivers/ide.h>
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#include <mm/mm.h>
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#include <fs/ramfs.h>
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#include <fs/fat32.h>
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#include <fs/duckfs.h>
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#include <vector_extentions/sse.h>
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#include <kernel/intro_anim.h>
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#define DEBUG
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/*extern HBA_MEM *abar;
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extern HBA_PORT *ahci_port;*/
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extern void _hang_asm(void);
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void kernel_main(multiboot_info_t* mbd, unsigned int magic)
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{
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/* --- BEGIN INITIALIZATION SECTION --- */
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/* We need to initialize the terminal so that any error/debuging messages show. */
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terminal_initialize();
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terminal_setcolor(VGA_COLOR_RED);
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/* Make sure the magic number matches for memory mapping*/
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if(magic != MULTIBOOT_BOOTLOADER_MAGIC)
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{
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printf("[ ERROR ] invalid magic number!\n");
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_hang_asm();
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}
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/* Check bit 6 to see if we have a valid memory map */
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if(!(mbd->flags >> 6 & 0x1))
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{
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printf("[ ERROR ] invalid memory map given by GRUB bootloader\n");
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_hang_asm();
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}
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gdt_install();
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pic_remap();
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idt_install_isrs();
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idt_install();
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terminal_setcolor(VGA_COLOR_GREEN);
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printd("Initializing physical memory manager...\n");
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pmm_init(mbd);
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printd("Physical memory manager initialized\n");
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printd("Initializing paging...\n");
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paging_init();
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printd("Paging initialized\n");
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printd("Initializing heap allocator...\n");
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heap_init();
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printd("Heap allocator initialized\n");
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printd("Testing SSE...\n");
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int32_t sse_test_result = test_sse();
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if (sse_test_result != 0)
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{
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printf("[ DEBUG ] SSE test failed with RV %d\n", sse_test_result);
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}
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else
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{
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printd("SSE test succeeded\n");
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}
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/*
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printd("Initalizing AHCI...\n");
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ahci_init();
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printd("AHCI initialized\n");
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*/
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/*printd("Initializing RAMFS...\n");
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ramfs_init();
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printd("RAMFS initialized.\n");*/
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printd("Initializing IDE system...\n");
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ide_initialize();
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printd("IDE initialized\n");
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printd("Initializing DuckFS...\n");
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int32_t duckfs_init_rv = duckfs_init(0);
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printf("[ DEBUG ] DuckFS initialized with RV %d\n", duckfs_init_rv);
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/* --- END INITIALIZATION SECTION --- */
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terminal_setcolor(VGA_COLOR_LIGHT_GREEN);
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const char* espresso_kernel_version = "0.0.0b";
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printf("Loading Espresso %s...\n", espresso_kernel_version);
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/*begin_anim(espresso_kernel_version);*/
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printf("Hello and welcome to Espresso\n");
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_hang_asm();
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}
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