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 (564B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Keystone Secure APIs
      4 *
      5 * Copyright (C) 2013 Texas Instruments, Inc.
      6 * 	Santosh Shilimkar <santosh.shilimkar@ti.com>
      7 */
      8
      9#include <linux/linkage.h>
     10
     11/**
     12 * u32 keystone_cpu_smc(u32 command, u32 cpu, u32 addr)
     13 *
     14 * Low level CPU monitor API
     15 * @command:	Monitor command.
     16 * @cpu:	CPU Number
     17 * @addr:	Kernel jump address for boot CPU
     18 *
     19 * Return: Non zero value on failure
     20 */
     21	.arch_extension sec
     22ENTRY(keystone_cpu_smc)
     23	stmfd   sp!, {r4-r11, lr}
     24	smc	#0
     25	ldmfd   sp!, {r4-r11, pc}
     26ENDPROC(keystone_cpu_smc)