On 2024/1/5 下午5:45, Chao Li wrote:
This Library is used to collect APs resources, but is currently NULL
for OvmfPkg, because it is not used by the LoongArch virtual machine.
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Jordan Justen <jordan.l.jus...@intel.com>
Cc: Gerd Hoffmann <kra...@redhat.com>
Cc: Bibo Mao <maob...@loongson.cn>
Cc: Dongyan Qian <qiandong...@loongson.cn>
Signed-off-by: Chao Li <lic...@loongson.cn>
---
.../CollectApResourceLibNull.c | 38 +++++++++++++++++++
.../CollectApResourceLibNull.inf | 31 +++++++++++++++
.../CollectApResourceLibNull.uni | 9 +++++
3 files changed, 78 insertions(+)
create mode 100644
OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
create mode 100644
OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
create mode 100644
OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
diff --git
a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
new file mode 100644
index 0000000000..19995c1193
--- /dev/null
+++
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.c
@@ -0,0 +1,38 @@
+/** @file
+ LoongArch64 CPU Collect AP resource NULL Library functions.
+
+ Copyright (c) 2024, Loongson Technology Corporation Limited. All rights
reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+#include <Library/BaseLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Register/LoongArch64/Csr.h>
+#include "../../../UefiCpuPkg/Library/LoongArch64MpInitLib/MpLib.h"
The included path is a little strange, should we put
CollectApResouceLibNull library in ovmf package or
UefiCpuPkg/Library/LoongArch64MpInitLib package?
Regards
Bibo Mao
+
+VOID
+SaveProcessorResourceData (
+ IN PROCESSOR_RESOURCE_DATA *
+ );
+
+VOID
+EFIAPI
+SaveProcessorResource (
+ PROCESSOR_RESOURCE_DATA *mProcessorResource
+ )
+{
+ SaveProcessorResourceData (mProcessorResource);
+}
+
+VOID
+EFIAPI
+CollectAllProcessorResource (
+ VOID
+ )
+{
+ return;
+}
diff --git
a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
new file mode 100644
index 0000000000..c166df6bbd
--- /dev/null
+++
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.inf
@@ -0,0 +1,31 @@
+## @file
+# LoongArch64 CPU Collect AP resource NULL Library.
+#
+# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights
reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = CollectApResourceLibNull
+ MODULE_UNI_FILE = CollectApResourceLibNull.uni
+ FILE_GUID = 8C3B54BF-6A9F-E8B4-4D57-67B3AB578DD6
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.1
+ LIBRARY_CLASS = PEIM
+
+[Sources.common]
+ CollectApResourceLibNull.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ UefiCpuPkg/UefiCpuPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ HobLib
+ MemoryAllocationLib
+
+[Pcd]
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber
diff --git
a/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
new file mode 100644
index 0000000000..d1638ab11e
--- /dev/null
+++
b/OvmfPkg/LoongArchVirt/Library/CollectApResouceLibNull/CollectApResourceLibNull.uni
@@ -0,0 +1,9 @@
+// @file
+// LoongArch64 CPU Collect AP resource NULL Library.
+//
+// Copyright (c) 2024, Loongson Technology Corporation Limited. All rights
reserved.<BR>
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+
+#string STR_MODULE_ABSTRACT #language en-US "CPU Collect AP resource
NULL Library."
+
+#string STR_MODULE_DESCRIPTION #language en-US "CPU Collect AP resource
NULL Library."
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