1// SPDX-License-Identifier: GPL-2.0
2#include <linux/bug.h>
3#include <linux/export.h>
4#include <linux/types.h>
5#include <linux/mmdebug.h>
6#include <linux/mm.h>
7
8#include <asm/memory.h>
9
10phys_addr_t __virt_to_phys(unsigned long x)
11{
12	WARN(!__is_lm_address(__tag_reset(x)),
13	     "virt_to_phys used for non-linear address: %pK (%pS)\n",
14	      (void *)x,
15	      (void *)x);
16
17	return __virt_to_phys_nodebug(x);
18}
19EXPORT_SYMBOL(__virt_to_phys);
20
21phys_addr_t __phys_addr_symbol(unsigned long x)
22{
23	/*
24	 * This is bounds checking against the kernel image only.
25	 * __pa_symbol should only be used on kernel symbol addresses.
26	 */
27	VIRTUAL_BUG_ON(x < (unsigned long) KERNEL_START ||
28		       x > (unsigned long) KERNEL_END);
29	return __pa_symbol_nodebug(x);
30}
31EXPORT_SYMBOL(__phys_addr_symbol);
32