76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
#include "kernel.h"
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#include "arch/i386/gdt/gdtc.h"
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extern "C" {
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void early_main(unsigned long magic, unsigned long addr){
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/** initialize terminal interface */
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kterm_init();
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if (magic != MULTIBOOT_BOOTLOADER_MAGIC){
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printf("Invalid magic number: 0x%x\n", magic);
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return;
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}
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CheckMBT( (multiboot_info_t *) addr);
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multiboot_info_t* mbt = (multiboot_info_t*) addr;
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// Map the kernel
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//initPhysicalMemoryManager();
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// AAAAAH memory map, Yes please!
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/* Are mmap_* valid? */
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if (CHECK_FLAG(mbt->flags, 6)){
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multiboot_memory_map_t *mmap = (multiboot_memory_map_t*) mbt->mmap_addr;
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printf("mmap_addr = 0x%x, mmap_length = 0x%x\n",
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(unsigned) mbt->mmap_addr, (unsigned) mbt->mmap_length);
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for (mmap; (unsigned long) mmap < mbt->mmap_addr + mbt->mmap_length; mmap = (multiboot_memory_map_t *) ((unsigned long) mmap + mmap->size + sizeof(mmap->size))){
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printf(
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"size = 0x%x, base_addr = 0x%x%08x, length = 0x%x%08x, type = 0x%x\n",
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(unsigned) mmap->size,
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(unsigned) (mmap->addr >> 32),
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(unsigned) (mmap->addr & 0xffffffff),
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(unsigned) (mmap->len >> 32),
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(unsigned) (mmap->len & 0xffffffff),
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(unsigned) mmap->type);
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}
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}
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/* Draw diagonal blue line */
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if (CHECK_FLAG (mbi->flags, 12)){
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printf("Can draw!");
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}
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int cpu_model = get_model();
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int local_apic = check_apic();
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printf( "CPU Model: %x, Local APIC: %D\n", cpu_model, local_apic);
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}
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void kernel_main (void) {
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init_serial();
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while (true){
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//Read time indefinetely
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read_rtc();
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printf( "UTC time: %02d-%02d-%02d %02d:%02d:%02d [ Formatted as YY-MM-DD h:mm:ss]\r" ,year, month, day, hour, minute, second);
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delay(1000);
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}
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}
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}
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