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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headsmp.S (547B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
      4 * Copyright (c) 2003 ARM Limited
      5 * All Rights Reserved
      6 */
      7#include <linux/linkage.h>
      8#include <linux/init.h>
      9
     10	__INIT
     11
     12/*
     13 * OX820 specific entry point for secondary CPUs.
     14 */
     15ENTRY(ox820_secondary_startup)
     16	mov r4, #0
     17	/* invalidate both caches and branch target cache */
     18	mcr p15, 0, r4, c7, c7, 0
     19	/*
     20	 * we've been released from the holding pen: secondary_stack
     21	 * should now contain the SVC stack for this core
     22	 */
     23	b	secondary_startup