[edk2-devel] [PATCH v8 01/21] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h
Rebecca Cran
rebecca at nuviainc.com
Mon Feb 8 00:52:34 UTC 2021
The ARM SMC Architecture functions were missing from ArmStdSmc.h.
Add them, based on the SMC Calling Convention version 1.2 specification.
Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>
Reviewed-by: Leif Lindholm <leif at nuviainc.com>
Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
---
ArmPkg/Include/IndustryStandard/ArmStdSmc.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
index 3509eb680f18..9e0a3a3960d5 100644
--- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
+++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
@@ -1,9 +1,13 @@
/** @file
*
+* Copyright (c) 2020, NUVIA Inc. All rights reserved.<BR>
* Copyright (c) 2012-2017, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
+* @par Revision Reference:
+* - SMC Calling Convention version 1.2
+* (https://developer.arm.com/documentation/den0028/c/?lang=en)
**/
#ifndef __ARM_STD_SMC_H__
@@ -52,6 +56,18 @@
#define ARM_SMC_MM_RET_DENIED -3
#define ARM_SMC_MM_RET_NO_MEMORY -4
+// ARM Architecture Calls
+#define SMCCC_VERSION 0x80000000
+#define SMCCC_ARCH_FEATURES 0x80000001
+#define SMCCC_ARCH_SOC_ID 0x80000002
+#define SMCCC_ARCH_WORKAROUND_1 0x80008000
+#define SMCCC_ARCH_WORKAROUND_2 0x80007FFF
+
+#define SMC_ARCH_CALL_SUCCESS 0
+#define SMC_ARCH_CALL_NOT_SUPPORTED -1
+#define SMC_ARCH_CALL_NOT_REQUIRED -2
+#define SMC_ARCH_CALL_INVALID_PARAMETER -3
+
/*
* Power State Coordination Interface (PSCI) calls cover a subset of the
* Standard Service Call range.
--
2.26.2
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