Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu...@intel.com> Cc: Jeff Fan <jeff....@intel.com> Cc: Feng Tian <feng.t...@intel.com> --- .../PciHostBridgeLibNull/PciHostBridgeLibNull.c | 104 +++++++++++++++++++++ .../PciHostBridgeLibNull/PciHostBridgeLibNull.inf | 36 +++++++ .../PciHostBridgeLibNull/PciHostBridgeLibNull.uni | 20 ++++ MdeModulePkg/MdeModulePkg.dsc | 3 +- 4 files changed, 162 insertions(+), 1 deletion(-) create mode 100644 MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c create mode 100644 MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf create mode 100644 MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.uni
diff --git a/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c new file mode 100644 index 0000000..41861b0 --- /dev/null +++ b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c @@ -0,0 +1,104 @@ +/** @file + Null instance of PCI Host Bridge Library with empty functions. + + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> + 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 <PiDxe.h> +#include <Library/PciHostBridgeLib.h> +#include <Library/DebugLib.h> + +GLOBAL_REMOVE_IF_UNREFERENCED CHAR16 *mPciHostBridgeLibAcpiAddressSpaceTypeStr[] = { + L"Mem", L"I/O", L"Bus" +}; + +/** + Return all the root bridge instances in an array. + + @param Count Return the count of root bridge instances. + + @return All the root bridge instances in an array. + The array should be passed into PciHostBridgeFreeRootBridges() + when it's not used. +**/ +PCI_ROOT_BRIDGE * +EFIAPI +PciHostBridgeGetRootBridges ( + UINTN *Count + ) +{ + *Count = 0; + return NULL; +} + +/** + Free the root bridge instances array returned from PciHostBridgeGetRootBridges(). + + @param The root bridge instances array. + @param The count of the array. +**/ +VOID +EFIAPI +PciHostBridgeFreeRootBridges ( + PCI_ROOT_BRIDGE *Bridges, + UINTN Count + ) +{ + return; +} + +/** + Inform the platform that the resource conflict happens. + + @param HostBridgeHandle Handle of the Host Bridge. + @param Configuration Pointer to PCI I/O and PCI memory resource descriptors. + The Configuration contains the resources for all the + root bridges. The resource for each root bridge is + terminated with END descriptor and an additional END + is appended indicating the end of the entire resources. + The resource descriptor field values follow the description + in EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL.SubmitResources(). +**/ +VOID +EFIAPI +PciHostBridgeResourceConflict ( + EFI_HANDLE HostBridgeHandle, + VOID *Configuration + ) +{ + EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Descriptor; + UINTN RootBridgeIndex; + DEBUG ((EFI_D_ERROR, "PciHostBridge: Resource conflict happens!\n")); + + RootBridgeIndex = 0; + Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) Configuration; + while (Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR) { + DEBUG ((EFI_D_ERROR, "RootBridge[%d]:\n", RootBridgeIndex++)); + for (; Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR; Descriptor++) { + ASSERT (Descriptor->ResType < + sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr) / sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr[0]) + ); + DEBUG ((EFI_D_ERROR, " %s: Length/Alignment = 0x%lx / 0x%lx\n", + mPciHostBridgeLibAcpiAddressSpaceTypeStr[Descriptor->ResType], Descriptor->AddrLen, Descriptor->AddrRangeMax)); + if (Descriptor->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM) { + DEBUG ((EFI_D_ERROR, " Granularity/SpecificFlag = %ld / %02x%s\n", + Descriptor->AddrSpaceGranularity, Descriptor->SpecificFlag, + ((Descriptor->SpecificFlag & EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE) != 0) ? L" (Prefetchable)" : L"" + )); + } + } + // + // Skip the END descriptor for root bridge + // + ASSERT (Descriptor->Desc == ACPI_END_TAG_DESCRIPTOR); + Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) ((EFI_ACPI_END_TAG_DESCRIPTOR *) Descriptor + 1); + } +} diff --git a/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf new file mode 100644 index 0000000..6b30211 --- /dev/null +++ b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf @@ -0,0 +1,36 @@ +## @file +# Null instance of PCI Host Bridge Library with empty functions. +# +# Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> +# +# 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 = 0x00010005 + BASE_NAME = PciHostBridgeLibNull + MODULE_UNI_FILE = PciHostBridgeLibNull.uni + FILE_GUID = A19A6C36-7053-4E2C-8BD0-E8286230E473 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + LIBRARY_CLASS = PciHostBridgeLib + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 IPF EBC +# + +[Sources] + PciHostBridgeLibNull.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec diff --git a/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.uni b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.uni new file mode 100644 index 0000000..7b0fdee --- /dev/null +++ b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.uni @@ -0,0 +1,20 @@ +// /** @file +// Null instance of PCI Host Bridge Library with empty functions. +// +// Null instance of PCI Host Bridge Library with empty functions. +// +// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> +// +// 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. +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Null instance of PCI Host Bridge Library with empty functions." + +#string STR_MODULE_DESCRIPTION #language en-US "Null instance of PCI Host Bridge Library with empty functions." diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc index 0e3e5eb..4b093e4 100644 --- a/MdeModulePkg/MdeModulePkg.dsc +++ b/MdeModulePkg/MdeModulePkg.dsc @@ -2,7 +2,7 @@ # EFI/PI Reference Module Package for All Architectures # # (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR> -# Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR> +# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR> # # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License @@ -96,6 +96,7 @@ S3BootScriptLib|MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf CpuExceptionHandlerLib|MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf PlatformBootManagerLib|MdeModulePkg/Library/PlatformBootManagerLibNull/PlatformBootManagerLibNull.inf + PciHostBridgeLib|MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf AuthVariableLib|MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf VarCheckLib|MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf -- 2.6.2.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
