Example #1
0
void mm_init(struct multiboot *m)
{
	printk(KERN_DEBUG, "[mm]: Setting up Memory Management...\n");
	arch_mm_virtual_init(&kernel_context);
	cpu_interrupt_register_handler (14, &arch_mm_page_fault_handle);
	pmm_buddy_init();
	process_memorymap(m);
	slab_init(MEMMAP_KMALLOC_START, MEMMAP_KMALLOC_END);
	set_ksf(KSF_MMU);
	/* hey, look at that, we have happy memory times! */
	mm_reclaim_init();
	for(size_t i=0;i<=(sizeof(struct pagedata) * maximum_page_number) / mm_page_size(1);i++) {
		mm_virtual_map(MEMMAP_FRAMECOUNT_START + i * mm_page_size(1),
				mm_physical_allocate(mm_page_size(1), true),
				PAGE_PRESENT | PAGE_WRITE, mm_page_size(1));
	}
	frames = (struct pagedata *)(MEMMAP_FRAMECOUNT_START);
	printk(0, "[mm]: allocated %d KB for page-frame counting.\n", sizeof(struct pagedata) * maximum_page_number / 1024);
#if CONFIG_MODULES
	loader_add_kernel_symbol(slab_kmalloc);
	loader_add_kernel_symbol(slab_kfree);
	loader_add_kernel_symbol(mm_virtual_map);
	loader_add_kernel_symbol(mm_virtual_getmap);
	loader_add_kernel_symbol(mm_allocate_dma_buffer);
	loader_add_kernel_symbol(mm_free_dma_buffer);
	loader_add_kernel_symbol(mm_physical_allocate);
	loader_add_kernel_symbol(mm_physical_deallocate);
#endif
}
Example #2
0
void mm_init(struct multiboot *m)
{
	printk(KERN_DEBUG, "[MM]: Setting up Memory Management...\n");
	arch_mm_virtual_init(&kernel_context);
	cpu_interrupt_register_handler(14, &arch_mm_page_fault_handle);
	pmm_buddy_init();
	process_memorymap(m);
	slab_init(MEMMAP_KMALLOC_START, MEMMAP_KMALLOC_END);
	set_ksf(KSF_MMU);
	// Memory init, check!
	mm_reclaim_init();
	for(size_t i = 0; i <= (sizeof(struct pagedata) * maximum_page_number) / mm_page_size(1); i++) {
		mm_virtual_map(MEMMAP_FRAMECOUNT_START + i * mm_page_size(1), mm_physical_allocate(mm_page_size(1), true), PAGE_PRESENT | PAGE_WRITE, mm_page_size(1));
	}
	frames = (struct pagedata *)(MEMMAP_FRAMECOUNT_START);
	printk(0, "[MM]: allocated %d KB for page-frame counting.\n", sizeof(struct pagedata) * maximum_page_number / 1024);
}