original_kernel/arch/arm/mach-highbank/smc.S

26 lines
614 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
* Copyright 2012 Calxeda, Inc.
*/
#include <linux/linkage.h>
/*
* This is common routine to manage secure monitor API
* used to modify the PL310 secure registers.
* 'r0' contains the value to be modified and 'r12' contains
* the monitor API number.
* Function signature : void highbank_smc1(u32 fn, u32 arg)
*/
.arch armv7-a
.arch_extension sec
ENTRY(highbank_smc1)
stmfd sp!, {r4-r11, lr}
mov r12, r0
mov r0, r1
dsb
smc #0
ldmfd sp!, {r4-r11, pc}
ENDPROC(highbank_smc1)