C++ (Cpp) l4x_virtual_mem_registerの例

コード例 #1

ファイル: pte.c プロジェクト: soap-DEIM/l4android

void l4x_vmalloc_map_vm_area(unsigned long address, unsigned long end)
{
	if (address & ~PAGE_MASK)
		enter_kdebug("map_vm_area: Unaligned address!");

	for (; address < end; address += PAGE_SIZE) {
		pte_t *ptep;

#ifdef ARCH_arm
		unsigned long o;
		if ((o = l4x_arm_is_selfmapped_addr(address))) {
			address += o - PAGE_SIZE;
			continue;
		}
#endif

		ptep = lookup_pte(swapper_pg_dir, address);

		if (!ptep || !pte_present(*ptep)) {
			if (0)
				printk("%s: No (valid) PTE for %08lx?!"
			               " (ptep: %p, pte: %08"
#ifndef ARCH_arm
				       "l"
#endif
				       "x\n",
			               __func__, address,
			               ptep, pte_val(*ptep));
			continue;
		}
		l4x_virtual_mem_register(address, pte_val(*ptep));
		l4lx_memory_map_virtual_page(address, pte_val(*ptep),
		                             pte_write(*ptep));
	}
}

コード例 #2

ファイル: pte.c プロジェクト: Ksys-labs/l4linux

void l4x_vmalloc_map_vm_area(unsigned long address, unsigned long end)
{
	if (address & ~PAGE_MASK)
		enter_kdebug("map_vm_area: Unaligned address!");

	if (!(   (VMALLOC_START <= address && end <= VMALLOC_END)
	      || (MODULES_VADDR <= address && end <= MODULES_END))) {
		pr_err("%s: %lx-%lx outside areas: %lx-%lx, %lx-%lx\n",
		       __func__, address, end,
		       VMALLOC_START, VMALLOC_END, MODULES_VADDR, MODULES_END);
		pr_err("%s: %p\n", __func__, __builtin_return_address(0));
		enter_kdebug("KK");
		return;
	}

	for (; address < end; address += PAGE_SIZE) {
		pte_t *ptep;

#ifdef CONFIG_ARM
		unsigned long o;
		if ((o = l4x_arm_is_selfmapped_addr(address))) {
			address += o - PAGE_SIZE;
			continue;
		}
#endif

		ptep = lookup_pte(&init_mm, address);

		if (!ptep || !pte_present(*ptep)) {
			if (0)
				printk("%s: No (valid) PTE for %08lx?!"
			               " (ptep: %p, pte: %08"
#ifndef CONFIG_ARM
				       "l"
#endif
				       "x\n",
			               __func__, address,
			               ptep, pte_val(*ptep));
			continue;
		}
		l4x_virtual_mem_register(address, *ptep);
		l4lx_memory_map_virtual_page(address, *ptep);
	}
}