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
22 ENTRY(keystone_cpu_smc)
23 stmfd sp!, {r4-r11, lr}
24 smc #0
25 ldmfd sp!, {r4-r11, pc}
26 ENDPROC(keystone_cpu_smc)