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feat(smccc): add vendor specific el3 id

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Add vendor specific el3 function id and update docs for the same.

SMCCC Documentation reference:
https://developer.arm.com/documentation/den0028/latest

Change-Id: Ieeb63608ad74d7b764d7131d8a92ecf10053c50d
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
This commit is contained in:
Govindraj Raja 2024-02-15 15:29:02 -06:00
parent 58385f7d92
commit be5b1e2234
2 changed files with 10 additions and 5 deletions
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9
docs/getting_started/rt-svc-writers-guide.rst
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@ -49,8 +49,11 @@ legacy 32-bit software that predates the `SMCCC`_.
Fast 1 CPU Service calls
Fast 2 SiP Service calls
Fast 3 OEM Service calls
Fast 4 Standard Service calls
Fast 5-47 Reserved for future use
Fast 4 Standard Secure Service calls
Fast 5 Standard Hypervisor Service Calls
Fast 6 Vendor Specific Hypervisor Service Calls
Fast 7 Vendor Specific EL3 Monitor Calls
Fast 8-47 Reserved for future use
Fast 48-49 Trusted Application calls
Fast 50-63 Trusted OS calls
@ -314,7 +317,7 @@ provide this information....
--------------
*Copyright (c) 2014-2023, Arm Limited and Contributors. All rights reserved.*
*Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.*
.. _SMCCC: https://developer.arm.com/docs/den0028/latest
.. _PSCI: https://developer.arm.com/documentation/den0022/latest/

6
include/lib/smccc.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
* Copyright (c) 2016-2024, 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(4)
#define SMCCC_MINOR_VERSION U(5)
/*******************************************************************************
* Bit definitions inside the function id as per the SMC calling convention
@ -95,6 +95,8 @@
#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_VEN_EL3_START U(7) /* Vendor Specific EL3 Monitor Calls */
#define OEN_VEN_EL3_END U(7)
#define OEN_TAP_START U(48) /* Trusted Applications */
#define OEN_TAP_END U(49)
#define OEN_TOS_START U(50) /* Trusted OS */