[edk2-devel] [PATCH v3 1/3] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h

[Sami Mujawar]

Hi Rebecca,

Thank you for this patch.

Please find my response inline marked [SAMI].

Otherwise this patch looks good to me.

Regards,

Sami Mujawar

-----Original Message-----
From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Rebecca Cran via groups.io
Sent: 11 November 2020 12:18 AM
To: devel at edk2.groups.io
Cc: Rebecca Cran <rebecca at nuviainc.com>; Leif Lindholm <leif at nuviainc.com>; Ard Biesheuvel <Ard.Biesheuvel at arm.com>; Michael D Kinney <michael.d.kinney at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>; Zhiguang Liu <zhiguang.liu at intel.com>
Subject: [edk2-devel] [PATCH v3 1/3] ArmPkg: Add ARM SMC Architecture functions to ArmStdSmc.h

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>
---
 ArmPkg/Include/IndustryStandard/ArmStdSmc.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
index 3509eb680f18..90f32c2249cd 100644
--- a/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
+++ b/ArmPkg/Include/IndustryStandard/ArmStdSmc.h
@@ -1,5 +1,6 @@
 /** @file
 *
+*  Copyright (c) 2020, NUVIA Inc. All rights reserved.
 *  Copyright (c) 2012-2017, ARM Limited. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent

[SAMI] Can you add a reference to the SMCCC 1.2 spec in the file header, please?  Something like:

@par Revision Reference:
  - SMC Calling Convention version 1.2
    (https://developer.arm.com/documentation/den0028/latest)

[/SAMI]

@@ -52,6 +53,18 @@
 #define ARM_SMC_MM_RET_DENIED              -3
 #define ARM_SMC_MM_RET_NO_MEMORY           -4

+// ARM Architecture Calls
+#define ARM_SMC_ID_ARCH_VERSION      0x80000000
+#define ARM_SMC_ID_ARCH_FEATURES     0x80000001
+#define ARM_SMC_ID_ARCH_SOC_ID       0x80000002
+#define ARM_SMC_ID_ARCH_WORKAROUND_1 0x80008000
+#define ARM_SMC_ID_ARCH_WORKAROUND_2 0x80007FFF
+
+#define ARM_SMC_ARCH_RET_SUCCESS            0
+#define ARM_SMC_ARCH_RET_NOT_SUPPORTED     -1
+#define ARM_SMC_ARCH_RET_NOT_REQUIRED      -2
+#define ARM_SMC_ARCH_RET_INVALID_PARAMETER -3
+
 /*
  * Power State Coordination Interface (PSCI) calls cover a subset of the
  * Standard Service Call range.
--
2.26.2






IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#67400): https://edk2.groups.io/g/devel/message/67400
Mute This Topic: https://groups.io/mt/78172730/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-