From: "PierreGondois" <pierre.gondois@arm.com>
To: devel@edk2.groups.io
Cc: Sami Mujawar <sami.mujawar@arm.com>,
Leif Lindholm <quic_llindhol@quicinc.com>,
Ard Biesheuvel <ardb+tianocore@kernel.org>,
Rebecca Cran <rebecca@bsdio.com>,
Michael D Kinney <michael.d.kinney@intel.com>,
Liming Gao <gaoliming@byosoft.com.cn>,
Jiewen Yao <jiewen.yao@intel.com>,
Jian J Wang <jian.j.wang@intel.com>
Subject: [PATCH v6 05/19] ArmPkg/ArmHvcLibNull: Add NULL instance of ArmHvcLib
Date: Fri, 30 Sep 2022 18:05:18 +0200 [thread overview]
Message-ID: <20220930160532.2921381-6-Pierre.Gondois@arm.com> (raw)
In-Reply-To: <20220930160532.2921381-1-Pierre.Gondois@arm.com>
From: Pierre Gondois <Pierre.Gondois@arm.com>
Add a Null instance of ArmHvcLib in case of library dependencies.
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
---
ArmPkg/ArmPkg.dsc | 1 +
ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c | 29 +++++++++++++++++++
.../Library/ArmHvcLibNull/ArmHvcLibNull.inf | 22 ++++++++++++++
3 files changed, 52 insertions(+)
create mode 100644 ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c
create mode 100644 ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc
index 13e20a258e9e..11b473974463 100644
--- a/ArmPkg/ArmPkg.dsc
+++ b/ArmPkg/ArmPkg.dsc
@@ -132,6 +132,7 @@ [Components.common]
ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf
ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf
+ ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.inf
ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf
ArmPkg/Library/ArmSmcLibNull/ArmSmcLibNull.inf
diff --git a/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c
new file mode 100644
index 000000000000..8edda01a7f0a
--- /dev/null
+++ b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.c
@@ -0,0 +1,29 @@
+/** @file
+ Arm HyperVisor Call (HVC) Null Library.
+
+ Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/ArmHvcLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Trigger an HVC call
+
+ HVC calls can take up to 8 arguments and return up to 4 return values.
+ Therefore, the 4 first fields in the ARM_HVC_ARGS structure are used
+ for both input and output values.
+
+ @param [in,out] Args Arguments for the HVC call.
+**/
+VOID
+ArmCallHvc (
+ IN OUT ARM_HVC_ARGS *Args
+ )
+{
+ ASSERT (FALSE);
+ return;
+}
diff --git a/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
new file mode 100644
index 000000000000..e390a5fbbe21
--- /dev/null
+++ b/ArmPkg/Library/ArmHvcLibNull/ArmHvcLibNull.inf
@@ -0,0 +1,22 @@
+## @file
+# Arm Hvc Null Library
+#
+# Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = ArmHvcLibNull
+ FILE_GUID = 02076A46-D6DB-48DD-8E5F-153172DD73A1
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmHvcLib
+
+[Sources]
+ ArmHvcLibNull.c
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ MdePkg/MdePkg.dec
--
2.25.1
next prev parent reply other threads:[~2022-09-30 16:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-30 16:05 [PATCH v6 00/19] Add Raw algorithm support using Arm FW-TRNG interface PierreGondois
2022-09-30 16:05 ` [PATCH v6 01/19] ArmPkg: PCD to select conduit for monitor calls PierreGondois
2022-09-30 16:05 ` [PATCH v6 02/19] ArmPkg/ArmMonitorLib: Definition for ArmMonitorLib library class PierreGondois
2022-09-30 16:05 ` [PATCH v6 03/19] ArmPkg/ArmMonitorLib: Add ArmMonitorLib PierreGondois
2022-09-30 16:05 ` [PATCH v6 04/19] ArmPkg: Sort HVC/SMC section alphbetically in ArmPkg.dsc PierreGondois
2022-09-30 16:05 ` PierreGondois [this message]
2022-09-30 16:05 ` [PATCH v6 06/19] MdePkg/TrngLib: Definition for TRNG library class interface PierreGondois
2022-09-30 16:05 ` [PATCH v6 07/19] MdePkg/TrngLib: Add NULL instance of TRNG Library PierreGondois
2022-09-30 16:05 ` [PATCH v6 08/19] ArmPkg: Add FID definitions for Firmware TRNG PierreGondois
2022-09-30 16:05 ` [PATCH v6 09/19] ArmPkg/TrngLib: Add Arm Firmware TRNG library PierreGondois
2022-09-30 16:05 ` [PATCH v6 10/19] SecurityPkg/RngDxe: Rename RdRandGenerateEntropy to generic name PierreGondois
2022-09-30 16:05 ` [PATCH v6 11/19] SecurityPkg/RngDxe: Replace Pcd with Sp80090Ctr256Guid PierreGondois
2022-09-30 16:05 ` [PATCH v6 12/19] SecurityPkg/RngDxe: Remove ArchGetSupportedRngAlgorithms() PierreGondois
2022-09-30 16:05 ` [PATCH v6 13/19] SecurityPkg/RngDxe: Documentation/include/parameter cleanup PierreGondois
2022-09-30 16:05 ` [PATCH v6 14/19] SecurityPkg/RngDxe: Check before advertising Cpu Rng algo PierreGondois
2022-09-30 16:05 ` [PATCH v6 15/19] SecurityPkg/RngDxe: Add AArch64 RawAlgorithm support through TrngLib PierreGondois
2022-09-30 16:05 ` [PATCH v6 16/19] SecurityPkg/RngDxe: Add debug warning for NULL PcdCpuRngSupportedAlgorithm PierreGondois
2022-09-30 16:05 ` [PATCH v6 17/19] SecurityPkg/RngDxe: Rename AArch64/RngDxe.c PierreGondois
2022-09-30 16:05 ` [PATCH v6 18/19] SecurityPkg/RngDxe: Add Arm support of RngDxe PierreGondois
2022-09-30 16:05 ` [PATCH v6 19/19] ArmVirtPkg: Kvmtool: Add RNG support using FW-TRNG interface PierreGondois
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