Re: [edk2] [PATCH v2 13/17] MdeModulePkg: implement NULL instance of MemoryAllocationLib library class
On 2019/1/14 21:27, Ard Biesheuvel wrote:
In order to permit MM_STANDALONE modules to be built without relying
on StandaloneMmPkg, provide a BASE type NULL implementation of
MemoryAllocationLib.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel
---
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
| 38 ++
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
| 575
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.uni
| 20 +
3 files changed, 633 insertions(+)
diff --git
a/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
new file mode 100644
index ..c231cd0e271b
--- /dev/null
+++
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
@@ -0,0 +1,38 @@
+## @file
+# Null instance of Memory Allocation Library.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
+# Copyright (c) 2018, Linaro, Ltd. All rights reserved.
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD
License
+# which accompanies this distribution. The full text of the license may be
found at
+# http://opensource.org/licenses/bsd-license.php.
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+#
+#
+##
+
+[Defines]
+ INF_VERSION= 0x0001001B
+ BASE_NAME = BaseMemoryAllocationLibNull
+ MODULE_UNI_FILE= BaseMemoryAllocationLibNull.uni
+ FILE_GUID = fd56f5d6-f194-448f-be69-c0cbb0c281af
+ MODULE_TYPE= BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = MemoryAllocationLib
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64
+#
+
+[Sources]
+ BaseMemoryAllocationLibNull.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
diff --git
a/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
new file mode 100644
index ..16812d3f9bb3
--- /dev/null
+++
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
@@ -0,0 +1,575 @@
+/** @file
+ DUmmy support routines for memory allocation
Should be "Dummy" here?
With it handled, Reviewed-by: Star Zeng .
Thanks,
Star
+
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 2018, Linaro, Ltd. All rights reserved.
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD
License
+ which accompanies this distribution. The full text of the license may be
found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+#include
+
+#include
+#include
+
+
+/**
+ Allocates one or more 4KB pages of type EfiBootServicesData.
+
+ Allocates the number of 4KB pages of type EfiBootServicesData and returns a
pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocatePages (
+ IN UINTN Pages
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData.
+
+ Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns
a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePages (
+ IN UINTN Pages
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocates one or more 4KB pages of type EfiReservedMemoryType.
+
+ Allocates the number of 4KB pages of type EfiReservedMemoryType and returns
a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages
[edk2] [PATCH v2 13/17] MdeModulePkg: implement NULL instance of MemoryAllocationLib library class
In order to permit MM_STANDALONE modules to be built without relying
on StandaloneMmPkg, provide a BASE type NULL implementation of
MemoryAllocationLib.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel
---
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
| 38 ++
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
| 575
MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.uni
| 20 +
3 files changed, 633 insertions(+)
diff --git
a/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
new file mode 100644
index ..c231cd0e271b
--- /dev/null
+++
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
@@ -0,0 +1,38 @@
+## @file
+# Null instance of Memory Allocation Library.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
+# Copyright (c) 2018, Linaro, Ltd. All rights reserved.
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD
License
+# which accompanies this distribution. The full text of the license may be
found at
+# http://opensource.org/licenses/bsd-license.php.
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+#
+#
+##
+
+[Defines]
+ INF_VERSION= 0x0001001B
+ BASE_NAME = BaseMemoryAllocationLibNull
+ MODULE_UNI_FILE= BaseMemoryAllocationLibNull.uni
+ FILE_GUID = fd56f5d6-f194-448f-be69-c0cbb0c281af
+ MODULE_TYPE= BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = MemoryAllocationLib
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64
+#
+
+[Sources]
+ BaseMemoryAllocationLibNull.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
diff --git
a/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
new file mode 100644
index ..16812d3f9bb3
--- /dev/null
+++
b/MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.c
@@ -0,0 +1,575 @@
+/** @file
+ DUmmy support routines for memory allocation
+
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 2018, Linaro, Ltd. All rights reserved.
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD
License
+ which accompanies this distribution. The full text of the license may be
found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+#include
+
+#include
+#include
+
+
+/**
+ Allocates one or more 4KB pages of type EfiBootServicesData.
+
+ Allocates the number of 4KB pages of type EfiBootServicesData and returns a
pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocatePages (
+ IN UINTN Pages
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData.
+
+ Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns
a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateRuntimePages (
+ IN UINTN Pages
+ )
+{
+ ASSERT (FALSE);
+ return NULL;
+}
+
+/**
+ Allocates one or more 4KB pages of type EfiReservedMemoryType.
+
+ Allocates the number of 4KB pages of type EfiReservedMemoryType and returns
a pointer to the
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If
Pages is 0, then NULL
+ is returned. If there is not enough memory remaining to satisfy the
request, then NULL is
+ returned.
+
+ @param Pages The number of 4 KB pages to allocate.
+
+ @return A pointer to the allocated buffer or NULL if allocation fails.
+
+**/
+VOID *
+EFIAPI
+AllocateReservedPages
