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mm stuff

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slinky55
2026-06-14 00:34:11 -05:00
parent 4e8de774ef
commit 53c5d7d40c
12 changed files with 527 additions and 51 deletions
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41
kernel/kmain.c
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@@ -1,10 +1,14 @@
#include "multiboot.h"
#include <lib/print.h>
#include <lib/stream.h>
#include <idt.h>
#include <stddef.h>
#include <stdint.h>
#include "memory/mm.h"
extern void init_idt();
extern void init_gdt();
extern void init_pic();
@@ -12,40 +16,51 @@ extern void init_pit();
extern int init_ps2();
extern void enable_interrupts();
extern void load_grub_boot_struct(void);
void* page = NULL;
extern void* grub_boot_struct_ptr;
void kmain(void)
{
void kmain(uint32_t magic, multiboot_info* mbi) {
extern print_stream_t vga_print_stream;
extern print_stream_t* kout;
kout = &vga_print_stream;
kout->trunc();
kprint("RockOS booting...\n");
kprintf("RockOS booting...\n");
init_gdt();
kprint("GDT set\n");
kprintf("GDT set\n");
init_idt();
kprint("IDT set\n");
kprintf("IDT set\n");
init_pic();
kprint("PIC initialized\n");
kprintf("PIC initialized\n");
init_pit();
kprint("PIT initialized\n");
kprintf("PIT initialized\n");
int result = init_ps2();
if (result == -1) {
kprint("PS2 init failed\n");
kprintf("PS2 init failed\n");
return;
}
kprint("PS2 initialized\n");
kprintf("PS2 initialized\n");
if (!(mbi->flags & (1 << 6))) {
return;
}
init_mm((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);
page = alloc_page();
kprintf("Allocated page at: 0x%x\n", (uint32_t)page);
free_page(page);
kprintf("Freed page");
enable_interrupts();
kprint("Interrupts enabled\n");
kprintf("Interrupts enabled\n");
while(1);
}