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boot page table works

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slinky55
2026-06-15 23:35:01 -05:00
parent 25da0f6a71
commit fe3725db99
7 changed files with 100 additions and 58 deletions
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52
kernel/kmain.c
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@@ -27,13 +27,30 @@ void kmain(uint32_t magic, multiboot_info* mbi) {
kout = &vga_print_stream;
kout->trunc();
kprintf("RockOS booting...\n");
kprintf("kernel start: 0x%x\n", &__kernel_start);
kprintf("kernel end: 0x%x\n", &__kernel_end);
uint32_t size = (&__kernel_end - &__kernel_start) / 1024;
kprintf("kernel size: %dKB\n", size);
if (!(mbi->flags & (1 << 6))) {
return;
}
kprintf("multiboot virtual address: 0x%x\n", mbi);
uint32_t mmap_virtual_addr = mbi->mmap_addr + 0xC0000000;
kprintf("mmap virtual address: 0x%x\n", mmap_virtual_addr);
init_pmm((void*)mmap_virtual_addr, mbi->mmap_length);
uint32_t mem_size = total_free_memory();
kprintf("Total available memory: %d MB\n", mem_size / 1024 / 1024);
kprintf("RockOS booting...\n");
init_gdt();
kprintf("GDT set\n");
extern uint64_t gdt[5];
kprintf("GDT set @ 0x%x\n", &gdt);
init_idt();
kprintf("IDT set\n");
extern idt_entry idt[256];
kprintf("IDT set @ 0x%x\n", &idt);
init_pic();
kprintf("PIC initialized\n");
@@ -41,30 +58,15 @@ void kmain(uint32_t magic, multiboot_info* mbi) {
init_pit();
kprintf("PIT initialized\n");
int result = init_ps2();
if (result == -1) {
kprintf("PS2 init failed\n");
return;
}
kprintf("PS2 initialized\n");
if (!(mbi->flags & (1 << 6))) {
return;
}
init_pmm((void*)mbi->mmap_addr, mbi->mmap_length);
uint32_t mem_size = total_free_memory();
kprintf("Total available memory: %d MB\n", mem_size / 1024 / 1024);
kprintf("__kernel_start: 0x%x\n", &__kernel_start);
kprintf("__kernel_end: 0x%x\n", &__kernel_end);
extern uint32_t page_directory[1024];
kprintf("page directory: 0x%x\n", &page_directory);
uint32_t size = (&__kernel_end - &__kernel_start) / 1024;
kprintf("kernel size: %dKB\n", size);
// int result = init_ps2();
// if (result == -1) {
// kprintf("PS2 init failed\n");
// return;
// }
// kprintf("PS2 initialized\n");
init_page_tables();
kprintf("Page tables reloaded");
kprintf("Page tables initialized\n");
while(1);
}