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Diffstat (limited to '')
| -rw-r--r-- | services/spd/trusty/smcall.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/services/spd/trusty/smcall.h b/services/spd/trusty/smcall.h new file mode 100644 index 0000000..c66f7db --- /dev/null +++ b/services/spd/trusty/smcall.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2020, NVIDIA Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SMCALL_H +#define SMCALL_H + +#define SMC_NUM_ENTITIES 64U +#define SMC_NUM_ARGS 4U +#define SMC_NUM_PARAMS (SMC_NUM_ARGS - 1U) + +#define SMC_IS_FASTCALL(smc_nr) ((smc_nr) & 0x80000000U) +#define SMC_IS_SMC64(smc_nr) ((smc_nr) & 0x40000000U) +#define SMC_ENTITY(smc_nr) (((smc_nr) & 0x3F000000U) >> 24U) +#define SMC_FUNCTION(smc_nr) ((smc_nr) & 0x0000FFFFU) + +#define SMC_NR(entity, fn, fastcall, smc64) \ + (((((uint32_t)(fastcall)) & 0x1U) << 31U) | \ + (((smc64) & 0x1U) << 30U) | \ + (((entity) & 0x3FU) << 24U) | \ + ((fn) & 0xFFFFU)) + +#define SMC_FASTCALL_NR(entity, fn) SMC_NR((entity), (fn), 1U, 0U) +#define SMC_FASTCALL64_NR(entity, fn) SMC_NR((entity), (fn), 1U, 1U) +#define SMC_YIELDCALL_NR(entity, fn) SMC_NR((entity), (fn), 0U, 0U) +#define SMC_YIELDCALL64_NR(entity, fn) SMC_NR((entity), (fn), 0U, 1U) + +#define SMC_ENTITY_ARCH 0U /* ARM Architecture calls */ +#define SMC_ENTITY_CPU 1U /* CPU Service calls */ +#define SMC_ENTITY_SIP 2U /* SIP Service calls */ +#define SMC_ENTITY_OEM 3U /* OEM Service calls */ +#define SMC_ENTITY_STD 4U /* Standard Service calls */ +#define SMC_ENTITY_RESERVED 5U /* Reserved for future use */ +#define SMC_ENTITY_TRUSTED_APP 48U /* Trusted Application calls */ +#define SMC_ENTITY_TRUSTED_OS 50U /* Trusted OS calls */ +#define SMC_ENTITY_LOGGING 51U /* Used for secure -> nonsecure logging */ +#define SMC_ENTITY_SECURE_MONITOR 60U /* Trusted OS calls internal to secure monitor */ + +/* FC = Fast call, YC = Yielding call */ +#define SMC_YC_RESTART_LAST SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U) +#define SMC_YC_NOP SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1U) + +/* + * Return from secure os to non-secure os with return value in r1 + */ +#define SMC_YC_NS_RETURN SMC_YIELDCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U) + +#define SMC_FC_RESERVED SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 0U) +#define SMC_FC_FIQ_EXIT SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 1U) +#define SMC_FC_REQUEST_FIQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 2U) +#define SMC_FC_GET_NEXT_IRQ SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 3U) +#define SMC_FC_FIQ_ENTER SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 4U) + +#define SMC_FC64_SET_FIQ_HANDLER SMC_FASTCALL64_NR(SMC_ENTITY_SECURE_MONITOR, 5U) +#define SMC_FC64_GET_FIQ_REGS SMC_FASTCALL64_NR (SMC_ENTITY_SECURE_MONITOR, 6U) + +#define SMC_FC_CPU_SUSPEND SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 7U) +#define SMC_FC_CPU_RESUME SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 8U) + +#define SMC_FC_AARCH_SWITCH SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 9U) +#define SMC_FC_GET_VERSION_STR SMC_FASTCALL_NR (SMC_ENTITY_SECURE_MONITOR, 10U) + +/* Trusted OS entity calls */ +#define SMC_YC_VIRTIO_GET_DESCR SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 20U) +#define SMC_YC_VIRTIO_START SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 21U) +#define SMC_YC_VIRTIO_STOP SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 22U) + +#define SMC_YC_VDEV_RESET SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 23U) +#define SMC_YC_VDEV_KICK_VQ SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 24U) +#define SMC_YC_SET_ROT_PARAMS SMC_YIELDCALL_NR(SMC_ENTITY_TRUSTED_OS, 65535U) + +/* + * Standard Trusted OS Function IDs that fall under Trusted OS call range + * according to SMC calling convention + */ +#define SMC_FC64_GET_UUID SMC_FASTCALL64_NR(63U, 0xFF01U) /* Implementation UID */ +#define SMC_FC_GET_UUID SMC_FASTCALL_NR(63U, 0xFF01U) /* Implementation.UID */ + +#endif /* SMCALL_H */ |