4b91c2d79f
Assembler files were not migrated with the new <zephyr/...> prefix. Note that the conversion has been scripted, refer to #45388 for more details. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
44 lines
1.1 KiB
ArmAsm
44 lines
1.1 KiB
ArmAsm
/*
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* Copyright (c) 2019 Carlo Caione <ccaione@baylibre.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This file implements the common calling mechanism to be used with the Secure
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* Monitor Call (SMC) and Hypervisor Call (HVC).
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*
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* See https://developer.arm.com/docs/den0028/latest
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*/
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#include <zephyr/toolchain.h>
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#include <zephyr/linker/sections.h>
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#include <zephyr/arch/cpu.h>
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#include <offsets_short.h>
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.macro SMCCC instr
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\instr #0
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ldr x4, [sp]
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stp x0, x1, [x4, __arm_smccc_res_t_a0_a1_OFFSET]
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stp x2, x3, [x4, __arm_smccc_res_t_a2_a3_OFFSET]
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stp x4, x5, [x4, __arm_smccc_res_t_a4_a5_OFFSET]
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stp x6, x7, [x4, __arm_smccc_res_t_a6_a7_OFFSET]
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ret
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.endm
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/*
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* The SMC instruction is used to generate a synchronous exception that is
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* handled by Secure Monitor code running in EL3.
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*/
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GTEXT(arm_smccc_smc)
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SECTION_FUNC(TEXT, arm_smccc_smc)
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SMCCC smc
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/*
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* The HVC instruction is used to generate a synchronous exception that is
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* handled by a hypervisor running in EL2.
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*/
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GTEXT(arm_smccc_hvc)
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SECTION_FUNC(TEXT, arm_smccc_hvc)
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SMCCC hvc
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