100 lines
4.6 KiB
C
100 lines
4.6 KiB
C
/*
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* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LIB_SM_SMCALL_H
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#define __LIB_SM_SMCALL_H
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#define SMC_NUM_ENTITIES 64
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#define SMC_NUM_ARGS 4
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#define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1)
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#define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000)
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#define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000)
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#define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000) >> 24)
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#define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFF)
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#define SMC_NR(entity, fn, fastcall, smc64) \
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(((((unsigned int) (fastcall)) & 0x1) << 31) | \
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(((smc64) & 0x1) << 30) | \
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(((entity) & 0x3F) << 24) | \
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((fn) & 0xFFFF) \
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)
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#define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1, 0)
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#define SMC_STDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0, 0)
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#define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1, 1)
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#define SMC_STDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0, 1)
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#define SMC_ENTITY_ARCH 0 /* ARM Architecture calls */
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#define SMC_ENTITY_CPU 1 /* CPU Service calls */
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#define SMC_ENTITY_SIP 2 /* SIP Service calls */
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#define SMC_ENTITY_OEM 3 /* OEM Service calls */
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#define SMC_ENTITY_STD 4 /* Standard Service calls */
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#define SMC_ENTITY_RESERVED 5 /* Reserved for future use */
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#define SMC_ENTITY_TRUSTED_APP 48 /* Trusted Application calls */
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#define SMC_ENTITY_TRUSTED_OS 50 /* Trusted OS calls */
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#define SMC_ENTITY_LOGGING 51 /* Used for secure -> nonsecure logging */
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#define SMC_ENTITY_SECURE_MONITOR 60 /* Trusted OS calls internal to secure monitor */
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/* FC = Fast call, SC = Standard call */
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#define SMC_SC_RESTART_LAST SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0)
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#define SMC_SC_NOP SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1)
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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_SC_NS_RETURN SMC_STDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0)
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#define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0)
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#define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1)
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#define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2)
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#define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3)
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#define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4)
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#define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5)
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#define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6)
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#define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7)
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#define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8)
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#define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9)
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#define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10)
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/* Trusted OS entity calls */
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#define SMC_SC_VIRTIO_GET_DESCR SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20)
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#define SMC_SC_VIRTIO_START SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21)
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#define SMC_SC_VIRTIO_STOP SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22)
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#define SMC_SC_VDEV_RESET SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23)
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#define SMC_SC_VDEV_KICK_VQ SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24)
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#define SMC_SC_SET_ROT_PARAMS SMC_STDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535)
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#endif /* __LIB_SM_SMCALL_H */
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