cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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virtconvert.h (834B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __VIRT_CONVERT__
      3#define __VIRT_CONVERT__
      4
      5/*
      6 * Macros used for converting between virtual and physical mappings.
      7 */
      8
      9#ifdef __KERNEL__
     10
     11#include <linux/compiler.h>
     12#include <linux/mmzone.h>
     13#include <asm/setup.h>
     14#include <asm/page.h>
     15
     16/*
     17 * Change virtual addresses to physical addresses and vv.
     18 */
     19#define virt_to_phys virt_to_phys
     20static inline unsigned long virt_to_phys(void *address)
     21{
     22	return __pa(address);
     23}
     24
     25#define phys_to_virt phys_to_virt
     26static inline void *phys_to_virt(unsigned long address)
     27{
     28	return __va(address);
     29}
     30
     31/* Permanent address of a page. */
     32#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
     33
     34/*
     35 * IO bus memory addresses are 1:1 with the physical address,
     36 */
     37#define virt_to_bus virt_to_phys
     38#define bus_to_virt phys_to_virt
     39
     40#endif
     41#endif