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| /*
| * Copyright 2017, Rockchip Electronics Co., Ltd
| * hisping lin, <hisping.lin@rock-chips.com>
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <linux/linkage.h>
|
| #ifdef CONFIG_ARM64
| .text
|
| #define SMC_PARAM_W0_OFFS 0
| #define SMC_PARAM_W2_OFFS 8
| #define SMC_PARAM_W4_OFFS 16
| #define SMC_PARAM_W6_OFFS 24
|
| /* void tee_smc_call(struct smc_param *param); */
| .globl tee_smc_call
| ENTRY(tee_smc_call)
| stp x28, x30, [sp, #-16]!
| mov x28, x0
| ldp w0, w1, [x28, #SMC_PARAM_W0_OFFS]
| ldp w2, w3, [x28, #SMC_PARAM_W2_OFFS]
| ldp w4, w5, [x28, #SMC_PARAM_W4_OFFS]
| ldp w6, w7, [x28, #SMC_PARAM_W6_OFFS]
| smc #0
| stp w0, w1, [x28, #SMC_PARAM_W0_OFFS]
| stp w2, w3, [x28, #SMC_PARAM_W2_OFFS]
| ldp x28, x30, [sp], #16
| ret
| ENDPROC(tee_smc_call)
|
| #else
|
| .text
| .balign 4
| .code 32
|
| /* void tee_smc_call(struct smc_param *param); */
| .globl tee_smc_call
| ENTRY(tee_smc_call)
| push {r4-r8, lr}
| mov r8, r0
| ldm r8, {r0-r7}
| .arch_extension sec
| smc #0
| stm r8, {r0-r7}
| pop {r4-r8, pc}
| ENDPROC(tee_smc_call)
| #endif
|
|
