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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smc.S (614B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
      4 * Copyright 2012 Calxeda, Inc.
      5 */
      6
      7#include <linux/linkage.h>
      8
      9/*
     10 * This is common routine to manage secure monitor API
     11 * used to modify the PL310 secure registers.
     12 * 'r0' contains the value to be modified and 'r12' contains
     13 * the monitor API number.
     14 * Function signature : void highbank_smc1(u32 fn, u32 arg)
     15 */
     16	.arch armv7-a
     17	.arch_extension sec
     18ENTRY(highbank_smc1)
     19	stmfd   sp!, {r4-r11, lr}
     20	mov	r12, r0
     21	mov 	r0, r1
     22	dsb
     23	smc	#0
     24	ldmfd   sp!, {r4-r11, pc}
     25ENDPROC(highbank_smc1)