diff options
Diffstat (limited to 'MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c')
| -rw-r--r-- | MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c | 40 |
1 files changed, 4 insertions, 36 deletions
diff --git a/MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c b/MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c index 53003d123d..816592c6f5 100644 --- a/MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c +++ b/MdePkg/Library/SmmIoLibSmmCpuIo2/IoLib.c @@ -16,38 +16,6 @@ #include "SmmCpuIoLibInternal.h"
-//
-// Globle varible to cache pointer to CpuIo protocol.
-//
-EFI_SMM_CPU_IO2_PROTOCOL *mCpuIo2 = NULL;
-
-/**
- The constructor function caches the pointer to CpuIo protocol.
-
- The constructor function locates CpuIo protocol from protocol database.
- It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
-
- @param ImageHandle The firmware allocated handle for the EFI image.
- @param SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
-
-**/
-EFI_STATUS
-EFIAPI
-IoLibConstructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gSmst->SmmLocateProtocol (&gEfiSmmCpuIo2ProtocolGuid, NULL, (VOID **) &mCpuIo2);
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
-
/**
Reads registers in the EFI CPU I/O space.
@@ -72,7 +40,7 @@ IoReadWorker ( EFI_STATUS Status;
UINT64 Data;
- Status = mCpuIo2->Io.Read (mCpuIo2, Width, Port, 1, &Data);
+ Status = gSmst->SmmIo.Io.Read (&gSmst->SmmIo, Width, Port, 1, &Data);
ASSERT_EFI_ERROR (Status);
return Data;
@@ -103,7 +71,7 @@ IoWriteWorker ( {
EFI_STATUS Status;
- Status = mCpuIo2->Io.Write (mCpuIo2, Width, Port, 1, &Data);
+ Status = gSmst->SmmIo.Io.Write (&gSmst->SmmIo, Width, Port, 1, &Data);
ASSERT_EFI_ERROR (Status);
return Data;
@@ -133,7 +101,7 @@ MmioReadWorker ( EFI_STATUS Status;
UINT64 Data;
- Status = mCpuIo2->Mem.Read (mCpuIo2, Width, Address, 1, &Data);
+ Status = gSmst->SmmIo.Mem.Read (&gSmst->SmmIo, Width, Address, 1, &Data);
ASSERT_EFI_ERROR (Status);
return Data;
@@ -164,7 +132,7 @@ MmioWriteWorker ( {
EFI_STATUS Status;
- Status = mCpuIo2->Mem.Write (mCpuIo2, Width, Address, 1, &Data);
+ Status = gSmst->SmmIo.Mem.Write (&gSmst->SmmIo, Width, Address, 1, &Data);
ASSERT_EFI_ERROR (Status);
return Data;
|