diff options
Diffstat (limited to 'MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c')
| -rw-r--r-- | MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c | 236 |
1 files changed, 118 insertions, 118 deletions
diff --git a/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c index 097387607c..9bd9d5eca5 100644 --- a/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c +++ b/MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.c @@ -1,118 +1,118 @@ -/** @file
- Null instance of PCI Host Bridge Library with empty functions.
-
- Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-#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 Bridges The root bridge instances array.
- @param Count 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 ((DEBUG_ERROR, "PciHostBridge: Resource conflict happens!\n"));
-
- RootBridgeIndex = 0;
- Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *)Configuration;
- while (Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR) {
- DEBUG ((DEBUG_ERROR, "RootBridge[%d]:\n", RootBridgeIndex++));
- for ( ; Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR; Descriptor++) {
- ASSERT (
- Descriptor->ResType <
- (sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr) /
- sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr[0])
- )
- );
- DEBUG ((
- DEBUG_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 ((
- DEBUG_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
- );
- }
-}
+/** @file + Null instance of PCI Host Bridge Library with empty functions. + + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#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 Bridges The root bridge instances array. + @param Count 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 ((DEBUG_ERROR, "PciHostBridge: Resource conflict happens!\n")); + + RootBridgeIndex = 0; + Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *)Configuration; + while (Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR) { + DEBUG ((DEBUG_ERROR, "RootBridge[%d]:\n", RootBridgeIndex++)); + for ( ; Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR; Descriptor++) { + ASSERT ( + Descriptor->ResType < + (sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr) / + sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr[0]) + ) + ); + DEBUG (( + DEBUG_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 (( + DEBUG_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 + ); + } +} |