diff options
Diffstat (limited to 'include/lib/smccc.h')
| -rw-r--r-- | include/lib/smccc.h | 74 |
1 files changed, 64 insertions, 10 deletions
diff --git a/include/lib/smccc.h b/include/lib/smccc.h index b10c52ce9..94c39d2a6 100644 --- a/include/lib/smccc.h +++ b/include/lib/smccc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -19,15 +19,69 @@ | (((uint32_t)(_minor) & SMCCC_VERSION_MINOR_MASK) << \ SMCCC_VERSION_MINOR_SHIFT)) -#if SMCCC_MAJOR_VERSION == 1 -# define SMCCC_MINOR_VERSION U(1) -# include <lib/smccc_v1.h> -#elif SMCCC_MAJOR_VERSION == 2 -# define SMCCC_MINOR_VERSION U(0) -# include <lib/smccc_v2.h> -#else -# error "Unsupported version of SMCCC." -#endif +#define SMCCC_MAJOR_VERSION U(1) +#define SMCCC_MINOR_VERSION U(1) + +/******************************************************************************* + * Bit definitions inside the function id as per the SMC calling convention + ******************************************************************************/ +#define FUNCID_TYPE_SHIFT U(31) +#define FUNCID_TYPE_MASK U(0x1) +#define FUNCID_TYPE_WIDTH U(1) + +#define FUNCID_CC_SHIFT U(30) +#define FUNCID_CC_MASK U(0x1) +#define FUNCID_CC_WIDTH U(1) + +#define FUNCID_OEN_SHIFT U(24) +#define FUNCID_OEN_MASK U(0x3f) +#define FUNCID_OEN_WIDTH U(6) + +#define FUNCID_NUM_SHIFT U(0) +#define FUNCID_NUM_MASK U(0xffff) +#define FUNCID_NUM_WIDTH U(16) + +#define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \ + FUNCID_TYPE_MASK) +#define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \ + FUNCID_CC_MASK) +#define GET_SMC_OEN(id) (((id) >> FUNCID_OEN_SHIFT) & \ + FUNCID_OEN_MASK) + +/******************************************************************************* + * Owning entity number definitions inside the function id as per the SMC + * calling convention + ******************************************************************************/ +#define OEN_ARM_START U(0) +#define OEN_ARM_END U(0) +#define OEN_CPU_START U(1) +#define OEN_CPU_END U(1) +#define OEN_SIP_START U(2) +#define OEN_SIP_END U(2) +#define OEN_OEM_START U(3) +#define OEN_OEM_END U(3) +#define OEN_STD_START U(4) /* Standard Service Calls */ +#define OEN_STD_END U(4) +#define OEN_STD_HYP_START U(5) /* Standard Hypervisor Service calls */ +#define OEN_STD_HYP_END U(5) +#define OEN_VEN_HYP_START U(6) /* Vendor Hypervisor Service calls */ +#define OEN_VEN_HYP_END U(6) +#define OEN_TAP_START U(48) /* Trusted Applications */ +#define OEN_TAP_END U(49) +#define OEN_TOS_START U(50) /* Trusted OS */ +#define OEN_TOS_END U(63) +#define OEN_LIMIT U(64) + +/* Flags and error codes */ +#define SMC_64 U(1) +#define SMC_32 U(0) + +#define SMC_TYPE_FAST ULL(1) +#define SMC_TYPE_YIELD ULL(0) + +#define SMC_OK ULL(0) +#define SMC_UNK -1 +#define SMC_PREEMPTED -2 /* Not defined by the SMCCC */ /* Various flags passed to SMC handlers */ #define SMC_FROM_SECURE (U(0) << 0) |