diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-04 04:45:44 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-04 04:45:44 +0000 |
| commit | ba82cb67d7d4059970882f0202fc8943e36df3ec (patch) | |
| tree | 8d785b091ba5ad19c2df0c95752c82aec66fbed3 /Nt32Pkg/StallPei | |
| parent | 8d415937c88a66b710e2a0cea7913a332d92cbe7 (diff) | |
| download | edk2-platforms-ba82cb67d7d4059970882f0202fc8943e36df3ec.tar.xz | |
Implement the simulation version of StallPei for NT32 platform. It bases on window API Sleep().
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9663 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Nt32Pkg/StallPei')
| -rw-r--r-- | Nt32Pkg/StallPei/Stall.c | 107 | ||||
| -rw-r--r-- | Nt32Pkg/StallPei/StallPei.inf | 48 |
2 files changed, 155 insertions, 0 deletions
diff --git a/Nt32Pkg/StallPei/Stall.c b/Nt32Pkg/StallPei/Stall.c new file mode 100644 index 0000000000..34e5d68d46 --- /dev/null +++ b/Nt32Pkg/StallPei/Stall.c @@ -0,0 +1,107 @@ +/**@file
+ EFI_PEI_STALL implementation for NT32 simulation environment.
+
+Copyright (c) 2009, Intel Corporation
+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 "WinNtPeim.h"
+
+#include <Ppi/NtThunk.h>
+#include <Ppi/Stall.h>
+#include <Library/DebugLib.h>
+
+EFI_STATUS
+EFIAPI
+Stall (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_STALL_PPI *This,
+ IN UINTN Microseconds
+ );
+
+EFI_PEI_STALL_PPI mStallPpi = {1000, Stall};
+
+EFI_PEI_PPI_DESCRIPTOR mPpiListStall[1] = {
+ {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiPeiStallPpiGuid,
+ &mStallPpi
+ }
+};
+
+
+/**
+ PEIM's entry point.
+
+ This routine installs the simulation instance of EFI_PEI_STALL_PPI based
+ on Win API Sleep().
+
+ @param FileHandle Handle of the file being invoked.
+ @param PeiServices Describes the list of possible PEI Services.
+
+ @retval EFI_SUCCESS The PEIM executed normally.
+ @retval !EFI_SUCCESS The PEIM failed to execute normally.
+**/
+EFI_STATUS
+EFIAPI
+InitializeStall (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ Status = (*PeiServices)->InstallPpi (PeiServices, &mPpiListStall[0]);
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+/**
+ The Stall() function provides a blocking stall for at least the number
+ of microseconds stipulated in the final argument of the API.
+
+ @param PeiServices An indirect pointer to the PEI Services Table
+ published by the PEI Foundation.
+ @param This Pointer to the local data for the interface.
+ @param Microseconds Number of microseconds for which to stall.
+
+ @retval EFI_SUCCESS The service provided at least the required delay.
+
+**/
+EFI_STATUS
+EFIAPI
+Stall (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_STALL_PPI *This,
+ IN UINTN Microseconds
+ )
+{
+ EFI_STATUS Status;
+ PEI_NT_THUNK_PPI *PeiNtService;
+ EFI_WIN_NT_THUNK_PROTOCOL *NtThunk;
+
+ Status = (**PeiServices).LocatePpi (
+ (const EFI_PEI_SERVICES **)PeiServices,
+ &gPeiNtThunkPpiGuid,
+ 0,
+ NULL,
+ (VOID**)&PeiNtService
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Calculate the time to sleep. Win API smallest unit to sleep is 1 millisec
+ // so micro second units need be divided by 1000 to convert to ms
+ //
+ NtThunk = (EFI_WIN_NT_THUNK_PROTOCOL*) PeiNtService->NtThunk();
+ NtThunk->Sleep ((Microseconds + 999) / 1000);
+
+ return EFI_SUCCESS;
+}
+
\ No newline at end of file diff --git a/Nt32Pkg/StallPei/StallPei.inf b/Nt32Pkg/StallPei/StallPei.inf new file mode 100644 index 0000000000..69a0812933 --- /dev/null +++ b/Nt32Pkg/StallPei/StallPei.inf @@ -0,0 +1,48 @@ +#/** @file
+# EFI_PEI_STALL implementation for NT32 simulation environment.
+#
+# Copyright (c) 2009, Intel Corporation
+#
+# 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 = 0x00010005
+ BASE_NAME = Stall
+ FILE_GUID = 6807217E-E8DE-42d0-91D9-60AECED7420D
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = InitializeStall
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ Stall.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ Nt32Pkg/Nt32Pkg.dec
+
+[LibraryClasses]
+ PeimEntryPoint
+ DebugLib
+
+[Ppis]
+ gEfiPeiStallPpiGuid ## PRODUCES
+ gPeiNtThunkPpiGuid ## CONSUMES
+
+[Depex]
+ TRUE
+
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