1/* 2 * Copyright (c) 2006-2022, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 */ 9/** 10 * SMCCC v0.2 11 * ARM DEN0028E chapter 2.6 12 */ 13 .macro SMCCC instr 14 stp x29, x30, [sp, #-16]! 15 mov x29, sp 16 \instr #0 17 // store in arm_smccc_res 18 ldr x4, [sp, #16] 19 stp x0, x1, [x4, #0] 20 stp x2, x3, [x4, #16] 211: 22 ldp x29, x30, [sp], #16 23 ret 24 .endm 25 26.global arm_smccc_smc 27arm_smccc_smc: 28 SMCCC smc 29 30.global arm_smccc_hvc 31arm_smccc_hvc: 32 SMCCC hvc 33