73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
#include "multiboot.h"
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#include <lib/print.h>
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#include <lib/stream.h>
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#include <idt.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "memory/mm.h"
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extern void init_idt();
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extern void init_gdt();
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extern void init_pic();
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extern void init_pit();
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extern int init_ps2();
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extern void enable_interrupts();
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void* page = NULL;
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extern char __kernel_start;
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extern char __kernel_end;
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void kmain(uint32_t magic, multiboot_info* mbi) {
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extern print_stream_t vga_print_stream;
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extern print_stream_t* kout;
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kout = &vga_print_stream;
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kout->trunc();
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kprintf("kernel start: 0x%x\n", &__kernel_start);
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kprintf("kernel end: 0x%x\n", &__kernel_end);
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uint32_t size = (&__kernel_end - &__kernel_start) / 1024;
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kprintf("kernel size: %dKB\n", size);
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if (!(mbi->flags & (1 << 6))) {
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return;
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}
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kprintf("multiboot virtual address: 0x%x\n", mbi);
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uint32_t mmap_virtual_addr = mbi->mmap_addr + 0xC0000000;
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kprintf("mmap virtual address: 0x%x\n", mmap_virtual_addr);
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init_pmm((void*)mmap_virtual_addr, mbi->mmap_length);
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uint32_t mem_size = total_free_memory();
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kprintf("Total available memory: %d MB\n", mem_size / 1024 / 1024);
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kprintf("RockOS booting...\n");
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init_gdt();
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extern uint64_t gdt[5];
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kprintf("GDT set @ 0x%x\n", &gdt);
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init_idt();
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extern idt_entry idt[256];
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kprintf("IDT set @ 0x%x\n", &idt);
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init_pic();
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kprintf("PIC initialized\n");
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init_pit();
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kprintf("PIT initialized\n");
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// int result = init_ps2();
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// if (result == -1) {
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// kprintf("PS2 init failed\n");
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// return;
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// }
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// kprintf("PS2 initialized\n");
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init_page_tables();
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kprintf("Page tables initialized\n");
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while(1);
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}
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