diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatiblity/PciCfgToPciCfg2Thunk/PciCfgToPciCfg2Thunk.c')
| -rw-r--r-- | EdkCompatibilityPkg/Compatiblity/PciCfgToPciCfg2Thunk/PciCfgToPciCfg2Thunk.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatiblity/PciCfgToPciCfg2Thunk/PciCfgToPciCfg2Thunk.c b/EdkCompatibilityPkg/Compatiblity/PciCfgToPciCfg2Thunk/PciCfgToPciCfg2Thunk.c new file mode 100644 index 0000000..9821253 --- /dev/null +++ b/EdkCompatibilityPkg/Compatiblity/PciCfgToPciCfg2Thunk/PciCfgToPciCfg2Thunk.c @@ -0,0 +1,155 @@ +/*++
+
+Copyright (c) 2006 - 2008 Intel Corporation. <BR>
+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.
+Module Name:
+
+ Variable.c
+
+Abstract:
+
+ PEIM to provide the Variable functionality
+
+--*/
+
+#include <PiPei.h>
+#include <Ppi/PciCfg.h>
+#include <Ppi/PciCfg2.h>
+#include <Library/DebugLib.h>
+
+//
+// Function Prototypes
+//
+EFI_STATUS
+EFIAPI
+PciCfgRead (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+PciCfgWrite (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN OUT VOID *Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+PciCfgModify (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN SetBits,
+ IN UINTN ClearBits
+ );
+
+//
+// Module globals
+//
+EFI_PEI_PCI_CFG_PPI mPciCfgPpi = {
+ PciCfgRead,
+ PciCfgWrite,
+ PciCfgModify,
+};
+
+EFI_PEI_PPI_DESCRIPTOR mPpiListPciCfg = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiPciCfgPpiInServiceTableGuid,
+ &mPciCfgPpi
+};
+
+EFI_STATUS
+EFIAPI
+PeimInitializePciCfg (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+/*++
+
+Routine Description:
+
+ Provide the functionality of the variable services.
+
+Arguments:
+
+ FfsHeadher - The FFS file header
+ PeiServices - General purpose services available to every PEIM.
+
+Returns:
+
+ Status - EFI_SUCCESS if the interface could be successfully
+ installed
+
+--*/
+{
+ //
+ // Publish the variable capability to other modules
+ //
+ return (*PeiServices)->InstallPpi (PeiServices, &mPpiListPciCfg);
+}
+
+EFI_STATUS
+EFIAPI
+PciCfgRead (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PEI_PCI_CFG2_PPI *PciCfg2;
+
+ PciCfg2 = (*PeiServices)->PciCfg;
+
+ return PciCfg2->Read ((CONST EFI_PEI_SERVICES **)PeiServices, PciCfg2, Width, Address, Buffer);
+}
+
+EFI_STATUS
+EFIAPI
+PciCfgWrite (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN OUT VOID *Buffer
+ )
+{
+ EFI_PEI_PCI_CFG2_PPI *PciCfg2;
+
+ PciCfg2 = (*PeiServices)->PciCfg;
+
+ return PciCfg2->Write ((CONST EFI_PEI_SERVICES **)PeiServices, PciCfg2, Width, Address, Buffer);
+}
+
+EFI_STATUS
+EFIAPI
+PciCfgModify (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_PCI_CFG_PPI *This,
+ IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN SetBits,
+ IN UINTN ClearBits
+ )
+{
+ EFI_PEI_PCI_CFG2_PPI *PciCfg2;
+
+ PciCfg2 = (*PeiServices)->PciCfg;
+
+ return PciCfg2->Modify ((CONST EFI_PEI_SERVICES **)PeiServices, PciCfg2, Width, Address, &SetBits, &ClearBits);
+}
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