2025-05-10 21:49:39 +08:00

37 lines
1.0 KiB
ArmAsm

/*
* Copyright (c) 2014, Linaro Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/linkage.h>
.text
#define SMC_PARAM_X0_OFFS 0
#define SMC_PARAM_X2_OFFS 16
#define SMC_PARAM_X4_OFFS 32
#define SMC_PARAM_X6_OFFS 48
/* 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 x0, x1, [x28, #SMC_PARAM_X0_OFFS]
ldp x2, x3, [x28, #SMC_PARAM_X2_OFFS]
ldp x4, x5, [x28, #SMC_PARAM_X4_OFFS]
ldp x6, x7, [x28, #SMC_PARAM_X6_OFFS]
smc #0
stp x0, x1, [x28, #SMC_PARAM_X0_OFFS]
stp x2, x3, [x28, #SMC_PARAM_X2_OFFS]
ldp x28, x30, [sp], #16
ret
ENDPROC(tee_smc_call)