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62 lines
1.5 KiB
62 lines
1.5 KiB
/* |
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* Copyright (c) 2015, Linaro Limited |
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* |
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* This software is licensed under the terms of the GNU General Public |
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* License version 2, as published by the Free Software Foundation, and |
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* may be copied, distributed, and modified under those terms. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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*/ |
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#include <linux/linkage.h> |
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#include <asm/opcodes-sec.h> |
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#include <asm/opcodes-virt.h> |
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#include <asm/unwind.h> |
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/* |
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* Wrap c macros in asm macros to delay expansion until after the |
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* SMCCC asm macro is expanded. |
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*/ |
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.macro SMCCC_SMC |
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__SMC(0) |
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.endm |
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.macro SMCCC_HVC |
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__HVC(0) |
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.endm |
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.macro SMCCC instr |
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UNWIND( .fnstart) |
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mov r12, sp |
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push {r4-r7} |
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UNWIND( .save {r4-r7}) |
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ldm r12, {r4-r7} |
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\instr |
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pop {r4-r7} |
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ldr r12, [sp, #(4 * 4)] |
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stm r12, {r0-r3} |
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bx lr |
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UNWIND( .fnend) |
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.endm |
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/* |
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* void smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, |
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* unsigned long a3, unsigned long a4, unsigned long a5, |
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* unsigned long a6, unsigned long a7, struct arm_smccc_res *res) |
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*/ |
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ENTRY(arm_smccc_smc) |
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SMCCC SMCCC_SMC |
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ENDPROC(arm_smccc_smc) |
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/* |
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* void smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, |
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* unsigned long a3, unsigned long a4, unsigned long a5, |
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* unsigned long a6, unsigned long a7, struct arm_smccc_res *res) |
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*/ |
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ENTRY(arm_smccc_hvc) |
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SMCCC SMCCC_HVC |
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ENDPROC(arm_smccc_hvc)
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