75 lines
3.2 KiB
C
75 lines
3.2 KiB
C
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/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SMCALL_H
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#define SMCALL_H
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#define SMC_NUM_ENTITIES 64U
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#define SMC_NUM_ARGS 4U
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#define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1U)
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#define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000U)
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#define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000U)
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#define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000U) >> 24U)
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#define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFFU)
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#define SMC_NR(entity, fn, fastcall, smc64) \
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(((((uint32_t)(fastcall)) & 0x1U) << 31U) | \
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(((smc64) & 0x1U) << 30U) | \
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(((entity) & 0x3FU) << 24U) | \
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((fn) & 0xFFFFU))
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#define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1U, 0U)
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#define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1U, 1U)
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#define SMC_YIELDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0U, 0U)
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#define SMC_YIELDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0U, 1U)
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#define SMC_ENTITY_ARCH 0U /* ARM Architecture calls */
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#define SMC_ENTITY_CPU 1U /* CPU Service calls */
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#define SMC_ENTITY_SIP 2U /* SIP Service calls */
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#define SMC_ENTITY_OEM 3U /* OEM Service calls */
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#define SMC_ENTITY_STD 4U /* Standard Service calls */
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#define SMC_ENTITY_RESERVED 5U /* Reserved for future use */
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#define SMC_ENTITY_TRUSTED_APP 48U /* Trusted Application calls */
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#define SMC_ENTITY_TRUSTED_OS 50U /* Trusted OS calls */
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#define SMC_ENTITY_LOGGING 51U /* Used for secure -> nonsecure logging */
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#define SMC_ENTITY_SECURE_MONITOR 60U /* Trusted OS calls internal to secure monitor */
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/* FC = Fast call, YC = Yielding call */
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#define SMC_YC_RESTART_LAST SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U)
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#define SMC_YC_NOP SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1U)
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/*
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* Return from secure os to non-secure os with return value in r1
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*/
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#define SMC_YC_NS_RETURN SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U)
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#define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U)
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#define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1U)
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#define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2U)
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#define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3U)
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#define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4U)
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#define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5U)
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#define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6U)
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#define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7U)
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#define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8U)
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#define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9U)
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#define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10U)
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/* Trusted OS entity calls */
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#define SMC_YC_VIRTIO_GET_DESCR SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20U)
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#define SMC_YC_VIRTIO_START SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21U)
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#define SMC_YC_VIRTIO_STOP SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22U)
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#define SMC_YC_VDEV_RESET SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23U)
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#define SMC_YC_VDEV_KICK_VQ SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24U)
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#define SMC_YC_SET_ROT_PARAMS SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535U)
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#endif /* SMCALL_H */
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