| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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) |