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UefiCpuPkg: Modify CpuIoPei to support new IoLib library 

The IO_PPI supports Fifo types by invoking the Fifo routines in the
new BaseIoLibIntrinsic (IoLib class) library.

Cc: Jeff Fan <jeff.fan@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Leo Duran  <leo.duran@amd.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This commit is contained in:
Leo Duran 2017-01-14 04:09:53 +08:00 committed by Liming Gao
parent 200b4223f0
commit ff5d3cc25f
1 changed files with 52 additions and 0 deletions
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52
UefiCpuPkg/CpuIoPei/CpuIoPei.c
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@ -2,6 +2,8 @@
Produces the CPU I/O PPI.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2017, AMD Incorporated. 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
@ -375,6 +377,31 @@ CpuIoServiceRead (
InStride = mInStride[Width];
OutStride = mOutStride[Width];
OperationWidth = (EFI_PEI_CPU_IO_PPI_WIDTH) (Width & 0x03);
//
// Fifo operations supported for (mInStride[Width] == 0)
//
if (InStride == 0) {
switch (OperationWidth) {
case EfiPeiCpuIoWidthUint8:
IoReadFifo8 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
case EfiPeiCpuIoWidthUint16:
IoReadFifo16 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
case EfiPeiCpuIoWidthUint32:
IoReadFifo32 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
default:
//
// The CpuIoCheckParameter call above will ensure that this
// path is not taken.
//
ASSERT (FALSE);
break;
}
}
Aligned = (BOOLEAN)(((UINTN)Buffer & (mInStride[OperationWidth] - 1)) == 0x00);
for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {
if (OperationWidth == EfiPeiCpuIoWidthUint8) {
@ -447,6 +474,31 @@ CpuIoServiceWrite (
InStride = mInStride[Width];
OutStride = mOutStride[Width];
OperationWidth = (EFI_PEI_CPU_IO_PPI_WIDTH) (Width & 0x03);
//
// Fifo operations supported for (mInStride[Width] == 0)
//
if (InStride == 0) {
switch (OperationWidth) {
case EfiPeiCpuIoWidthUint8:
IoWriteFifo8 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
case EfiPeiCpuIoWidthUint16:
IoWriteFifo16 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
case EfiPeiCpuIoWidthUint32:
IoWriteFifo32 ((UINTN)Address, Count, Buffer);
return EFI_SUCCESS;
default:
//
// The CpuIoCheckParameter call above will ensure that this
// path is not taken.
//
ASSERT (FALSE);
break;
}
}
Aligned = (BOOLEAN)(((UINTN)Buffer & (mInStride[OperationWidth] - 1)) == 0x00);
for (Uint8Buffer = (UINT8 *)Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {
if (OperationWidth == EfiPeiCpuIoWidthUint8) {