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Diffstat (limited to 'arch/arm/mach-keystone/smc.S')
| -rw-r--r-- | arch/arm/mach-keystone/smc.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/smc.S b/arch/arm/mach-keystone/smc.S new file mode 100644 index 000000000..21ef75cf5 --- /dev/null +++ b/arch/arm/mach-keystone/smc.S @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Keystone Secure APIs + * + * Copyright (C) 2013 Texas Instruments, Inc. + * Santosh Shilimkar <santosh.shilimkar@ti.com> + */ + +#include <linux/linkage.h> + +/** + * u32 keystone_cpu_smc(u32 command, u32 cpu, u32 addr) + * + * Low level CPU monitor API + * @command: Monitor command. + * @cpu: CPU Number + * @addr: Kernel jump address for boot CPU + * + * Return: Non zero value on failure + */ + .arch_extension sec +ENTRY(keystone_cpu_smc) + stmfd sp!, {r4-r11, lr} + smc #0 + ldmfd sp!, {r4-r11, pc} +ENDPROC(keystone_cpu_smc) |