diff options
Diffstat (limited to 'include/lib/smccc.h')
| -rw-r--r-- | include/lib/smccc.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/lib/smccc.h b/include/lib/smccc.h index 76e60231f..5e13e6f0a 100644 --- a/include/lib/smccc.h +++ b/include/lib/smccc.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -20,7 +20,7 @@ SMCCC_VERSION_MINOR_SHIFT)) #define SMCCC_MAJOR_VERSION U(1) -#define SMCCC_MINOR_VERSION U(1) +#define SMCCC_MINOR_VERSION U(2) /******************************************************************************* * Bit definitions inside the function id as per the SMC calling convention @@ -41,6 +41,8 @@ #define FUNCID_NUM_MASK U(0xffff) #define FUNCID_NUM_WIDTH U(16) +#define GET_SMC_NUM(id) (((id) >> FUNCID_NUM_SHIFT) & \ + FUNCID_NUM_MASK) #define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \ FUNCID_TYPE_MASK) #define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \ @@ -83,6 +85,12 @@ #define SMC_UNK -1 #define SMC_PREEMPTED -2 /* Not defined by the SMCCC */ +/* Return codes for Arm Architecture Service SMC calls */ +#define SMC_ARCH_CALL_SUCCESS 0 +#define SMC_ARCH_CALL_NOT_SUPPORTED -1 +#define SMC_ARCH_CALL_NOT_REQUIRED -2 +#define SMC_ARCH_CALL_INVAL_PARAM -3 + /* Various flags passed to SMC handlers */ #define SMC_FROM_SECURE (U(0) << 0) #define SMC_FROM_NON_SECURE (U(1) << 0) |