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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cacheflush.h (903B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _ASM_IA64_CACHEFLUSH_H
      3#define _ASM_IA64_CACHEFLUSH_H
      4
      5/*
      6 * Copyright (C) 2002 Hewlett-Packard Co
      7 *	David Mosberger-Tang <davidm@hpl.hp.com>
      8 */
      9
     10#include <linux/page-flags.h>
     11#include <linux/bitops.h>
     12
     13#include <asm/page.h>
     14
     15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
     16#define flush_dcache_page(page)			\
     17do {						\
     18	clear_bit(PG_arch_1, &(page)->flags);	\
     19} while (0)
     20
     21extern void flush_icache_range(unsigned long start, unsigned long end);
     22#define flush_icache_range flush_icache_range
     23extern void clflush_cache_range(void *addr, int size);
     24
     25#define flush_icache_user_page(vma, page, user_addr, len)					\
     26do {												\
     27	unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK);	\
     28	flush_icache_range(_addr, _addr + (len));						\
     29} while (0)
     30
     31#include <asm-generic/cacheflush.h>
     32
     33#endif /* _ASM_IA64_CACHEFLUSH_H */