diff options
Diffstat (limited to 'ArmVirtPkg/Library')
| -rw-r--r-- | ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.c | 79 | ||||
| -rw-r--r-- | ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.inf | 49 |
2 files changed, 128 insertions, 0 deletions
diff --git a/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.c b/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.c new file mode 100644 index 0000000000..255eb0599e --- /dev/null +++ b/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.c @@ -0,0 +1,79 @@ +/** @file
+ Kvmtool platform PEI library.
+
+ Copyright (c) 2020, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+
+#include <Guid/Early16550UartBaseAddress.h>
+#include <Guid/FdtHob.h>
+
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PeiServicesLib.h>
+#include <libfdt.h>
+
+/** Initialise Platform HOBs
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_OUT_OF_RESOURCES Out of resources.
+**/
+EFI_STATUS
+EFIAPI
+PlatformPeim (
+ VOID
+ )
+{
+ VOID *Base;
+ VOID *NewBase;
+ UINTN FdtSize;
+ UINTN FdtPages;
+ UINT64 *FdtHobData;
+ UINT64 *UartHobData;
+
+ Base = (VOID*)(UINTN)PcdGet64 (PcdDeviceTreeInitialBaseAddress);
+ if ((Base == NULL) || (fdt_check_header (Base) != 0)) {
+ ASSERT (0);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ FdtSize = fdt_totalsize (Base) + PcdGet32 (PcdDeviceTreeAllocationPadding);
+ FdtPages = EFI_SIZE_TO_PAGES (FdtSize);
+ NewBase = AllocatePages (FdtPages);
+ if (NewBase == NULL) {
+ ASSERT (0);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages));
+
+ FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof (*FdtHobData));
+ if (FdtHobData == NULL) {
+ ASSERT (0);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *FdtHobData = (UINTN)NewBase;
+
+ UartHobData = BuildGuidHob (
+ &gEarly16550UartBaseAddressGuid,
+ sizeof (*UartHobData)
+ );
+ if (UartHobData == NULL) {
+ ASSERT (0);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *UartHobData = PcdGet64 (PcdSerialRegisterBase);
+
+ BuildFvHob (PcdGet64 (PcdFvBaseAddress), PcdGet32 (PcdFvSize));
+
+ return EFI_SUCCESS;
+}
diff --git a/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.inf b/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.inf new file mode 100644 index 0000000000..f201aee50c --- /dev/null +++ b/ArmVirtPkg/Library/KvmtoolPlatformPeiLib/KvmtoolPlatformPeiLib.inf @@ -0,0 +1,49 @@ +## @file
+# Kvmtool platform PEI library.
+#
+# Copyright (c) 2020, ARM Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001B
+ BASE_NAME = PlatformPeiLib
+ FILE_GUID = 21073FB3-BA6F-43EB-83F0-4A840C648165
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = KvmtoolPlatformPeiLib
+
+[Sources]
+ KvmtoolPlatformPeiLib.c
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ ArmVirtPkg/ArmVirtPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ DebugLib
+ HobLib
+ FdtLib
+ PcdLib
+ PeiServicesLib
+
+[FixedPcd]
+ gArmTokenSpaceGuid.PcdFvSize
+ gArmVirtTokenSpaceGuid.PcdDeviceTreeAllocationPadding
+
+[Pcd]
+ gArmTokenSpaceGuid.PcdFvBaseAddress
+ gArmVirtTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase
+
+[Guids]
+ gFdtHobGuid
+ gEarly16550UartBaseAddressGuid
+
+[Depex]
+ gEfiPeiMemoryDiscoveredPpiGuid
|