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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tcm.h (925B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *
      4 * Copyright (C) 2008-2009 ST-Ericsson AB
      5 *
      6 * Author: Rickard Andersson <rickard.andersson@stericsson.com>
      7 * Author: Linus Walleij <linus.walleij@stericsson.com>
      8 */
      9#ifndef __ASMARM_TCM_H
     10#define __ASMARM_TCM_H
     11
     12#ifndef CONFIG_HAVE_TCM
     13#error "You should not be including tcm.h unless you have a TCM!"
     14#endif
     15
     16#include <linux/compiler.h>
     17
     18/* Tag variables with this */
     19#define __tcmdata __section(".tcm.data")
     20/* Tag constants with this */
     21#define __tcmconst __section(".tcm.rodata")
     22/* Tag functions inside TCM called from outside TCM with this */
     23#define __tcmfunc __attribute__((long_call)) __section(".tcm.text") noinline
     24/* Tag function inside TCM called from inside TCM  with this */
     25#define __tcmlocalfunc __section(".tcm.text")
     26
     27void *tcm_alloc(size_t len);
     28void tcm_free(void *addr, size_t len);
     29bool tcm_dtcm_present(void);
     30bool tcm_itcm_present(void);
     31
     32#endif