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14457459f9
Adds implementation for arm-smccc and enables CONFIG_HAVE_SMCCC. Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
44 lines
1.2 KiB
ArmAsm
44 lines
1.2 KiB
ArmAsm
/*
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* Copyright (c) 2015, Linaro Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License Version 2 as
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* published by the Free Software Foundation.
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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/asm-offsets.h>
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.macro SMCCC instr
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.cfi_startproc
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\instr #0
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ldr x4, [sp]
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stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS]
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stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS]
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ret
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.cfi_endproc
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.endm
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/*
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* void arm_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 smc
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ENDPROC(arm_smccc_smc)
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/*
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* void arm_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 hvc
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ENDPROC(arm_smccc_hvc)
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