1*4882a593Smuzhiyun/* 2*4882a593Smuzhiyun * Copyright 2017, Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * hisping lin, <hisping.lin@rock-chips.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun#include <linux/linkage.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun#ifdef CONFIG_ARM64 11*4882a593Smuzhiyun .text 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun#define SMC_PARAM_W0_OFFS 0 14*4882a593Smuzhiyun#define SMC_PARAM_W2_OFFS 8 15*4882a593Smuzhiyun#define SMC_PARAM_W4_OFFS 16 16*4882a593Smuzhiyun#define SMC_PARAM_W6_OFFS 24 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* void tee_smc_call(struct smc_param *param); */ 19*4882a593Smuzhiyun .globl tee_smc_call 20*4882a593SmuzhiyunENTRY(tee_smc_call) 21*4882a593Smuzhiyun stp x28, x30, [sp, #-16]! 22*4882a593Smuzhiyun mov x28, x0 23*4882a593Smuzhiyun ldp w0, w1, [x28, #SMC_PARAM_W0_OFFS] 24*4882a593Smuzhiyun ldp w2, w3, [x28, #SMC_PARAM_W2_OFFS] 25*4882a593Smuzhiyun ldp w4, w5, [x28, #SMC_PARAM_W4_OFFS] 26*4882a593Smuzhiyun ldp w6, w7, [x28, #SMC_PARAM_W6_OFFS] 27*4882a593Smuzhiyun smc #0 28*4882a593Smuzhiyun stp w0, w1, [x28, #SMC_PARAM_W0_OFFS] 29*4882a593Smuzhiyun stp w2, w3, [x28, #SMC_PARAM_W2_OFFS] 30*4882a593Smuzhiyun ldp x28, x30, [sp], #16 31*4882a593Smuzhiyun ret 32*4882a593SmuzhiyunENDPROC(tee_smc_call) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun#else 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun.text 37*4882a593Smuzhiyun.balign 4 38*4882a593Smuzhiyun.code 32 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* void tee_smc_call(struct smc_param *param); */ 41*4882a593Smuzhiyun .globl tee_smc_call 42*4882a593SmuzhiyunENTRY(tee_smc_call) 43*4882a593Smuzhiyun push {r4-r8, lr} 44*4882a593Smuzhiyun mov r8, r0 45*4882a593Smuzhiyun ldm r8, {r0-r7} 46*4882a593Smuzhiyun.arch_extension sec 47*4882a593Smuzhiyun smc #0 48*4882a593Smuzhiyun stm r8, {r0-r7} 49*4882a593Smuzhiyun pop {r4-r8, pc} 50*4882a593SmuzhiyunENDPROC(tee_smc_call) 51*4882a593Smuzhiyun#endif 52