mirror of https://github.com/acidanthera/audk.git
UefiCpuPkg: Modify CpuIo2Dxe to use new IoLib library
The Fifo routines from the UefiCpuPkg/CpuIo2Dxe driver have been moved to 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
Liming Gao
parent
19c6d9feaa
commit
200b4223f0
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@ -2,6 +2,8 @@
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Produces the CPU I/O 2 Protocol.
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Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -13,7 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "CpuIo2Dxe.h"
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#include "IoFifo.h"
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//
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// Handle for the CPU I/O 2 Protocol
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@ -412,7 +413,9 @@ CpuIoServiceRead (
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OutStride = mOutStride[Width];
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OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);
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#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
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//
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// Fifo operations supported for (mInStride[Width] == 0)
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//
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if (InStride == 0) {
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switch (OperationWidth) {
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case EfiCpuIoWidthUint8:
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@ -433,7 +436,6 @@ CpuIoServiceRead (
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break;
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}
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}
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#endif
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for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {
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if (OperationWidth == EfiCpuIoWidthUint8) {
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@ -518,7 +520,9 @@ CpuIoServiceWrite (
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OutStride = mOutStride[Width];
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OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);
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#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
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//
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// Fifo operations supported for (mInStride[Width] == 0)
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//
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if (InStride == 0) {
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switch (OperationWidth) {
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case EfiCpuIoWidthUint8:
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@ -539,7 +543,6 @@ CpuIoServiceWrite (
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break;
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}
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}
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#endif
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for (Uint8Buffer = (UINT8 *)Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {
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if (OperationWidth == EfiCpuIoWidthUint8) {
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@ -2,6 +2,8 @@
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# Produces the CPU I/O 2 Protocol by using the services of the I/O Library.
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#
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# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
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# Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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@ -30,15 +32,6 @@
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[Sources]
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CpuIo2Dxe.c
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CpuIo2Dxe.h
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IoFifo.h
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[Sources.IA32]
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Ia32/IoFifo.nasm
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Ia32/IoFifo.asm
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[Sources.X64]
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X64/IoFifo.nasm
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X64/IoFifo.asm
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[Packages]
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MdePkg/MdePkg.dec
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@ -1,140 +0,0 @@
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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;
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; This program and the accompanying materials are licensed and made available
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; under the terms and conditions of the BSD License which accompanies this
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; distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;------------------------------------------------------------------------------
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.586P
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.model flat,C
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.code
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo8 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoReadFifo8 PROC
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insb
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pop edi
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ret
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IoReadFifo8 ENDP
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo16 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoReadFifo16 PROC
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insw
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pop edi
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ret
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IoReadFifo16 ENDP
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo32 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoReadFifo32 PROC
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insd
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pop edi
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ret
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IoReadFifo32 ENDP
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo8 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoWriteFifo8 PROC
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsb
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pop esi
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ret
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IoWriteFifo8 ENDP
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo16 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoWriteFifo16 PROC
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsw
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pop esi
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ret
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IoWriteFifo16 ENDP
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo32 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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IoWriteFifo32 PROC
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsd
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pop esi
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ret
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IoWriteFifo32 ENDP
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END
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@ -1,136 +0,0 @@
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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;
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; This program and the accompanying materials are licensed and made available
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; under the terms and conditions of the BSD License which accompanies this
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; distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;------------------------------------------------------------------------------
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SECTION .text
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo8 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoReadFifo8)
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ASM_PFX(IoReadFifo8):
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insb
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pop edi
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ret
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo16 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoReadFifo16)
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ASM_PFX(IoReadFifo16):
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insw
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pop edi
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ret
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoReadFifo32 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoReadFifo32)
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ASM_PFX(IoReadFifo32):
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push edi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov edi, [esp + 16]
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rep insd
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pop edi
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ret
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo8 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoWriteFifo8)
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ASM_PFX(IoWriteFifo8):
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsb
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pop esi
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ret
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo16 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoWriteFifo16)
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ASM_PFX(IoWriteFifo16):
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsw
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pop esi
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ret
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; IoWriteFifo32 (
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; IN UINTN Port,
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; IN UINTN Size,
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; IN VOID *Buffer
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; );
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;------------------------------------------------------------------------------
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global ASM_PFX(IoWriteFifo32)
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ASM_PFX(IoWriteFifo32):
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push esi
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cld
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mov dx, [esp + 8]
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mov ecx, [esp + 12]
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mov esi, [esp + 16]
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rep outsd
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pop esi
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ret
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@ -1,176 +0,0 @@
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/** @file
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I/O FIFO routines
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Copyright (c) 2008 - 2012, Intel Corporation. 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
|
||||
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.
|
||||
|
||||
**/
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#ifndef _IO_FIFO_H_INCLUDED_
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#define _IO_FIFO_H_INCLUDED_
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/**
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Reads an 8-bit I/O port fifo into a block of memory.
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|
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Reads the 8-bit I/O fifo port specified by Port.
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|
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The port is read Count times, and the read data is
|
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stored in the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O read and write operations are
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serialized.
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|
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If 8-bit I/O port operations are not supported, then ASSERT().
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|
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@param Port The I/O port to read.
|
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@param Count The number of times to read I/O port.
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@param Buffer The buffer to store the read data into.
|
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|
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**/
|
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VOID
|
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EFIAPI
|
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IoReadFifo8 (
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IN UINTN Port,
|
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IN UINTN Count,
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OUT VOID *Buffer
|
||||
);
|
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|
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/**
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Reads a 16-bit I/O port fifo into a block of memory.
|
||||
|
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Reads the 16-bit I/O fifo port specified by Port.
|
||||
|
||||
The port is read Count times, and the read data is
|
||||
stored in the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O read and write operations are
|
||||
serialized.
|
||||
|
||||
If 16-bit I/O port operations are not supported, then ASSERT().
|
||||
|
||||
@param Port The I/O port to read.
|
||||
@param Count The number of times to read I/O port.
|
||||
@param Buffer The buffer to store the read data into.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
IoReadFifo16 (
|
||||
IN UINTN Port,
|
||||
IN UINTN Count,
|
||||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
/**
|
||||
Reads a 32-bit I/O port fifo into a block of memory.
|
||||
|
||||
Reads the 32-bit I/O fifo port specified by Port.
|
||||
|
||||
The port is read Count times, and the read data is
|
||||
stored in the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O read and write operations are
|
||||
serialized.
|
||||
|
||||
If 32-bit I/O port operations are not supported, then ASSERT().
|
||||
|
||||
@param Port The I/O port to read.
|
||||
@param Count The number of times to read I/O port.
|
||||
@param Buffer The buffer to store the read data into.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
IoReadFifo32 (
|
||||
IN UINTN Port,
|
||||
IN UINTN Count,
|
||||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
/**
|
||||
Writes a block of memory into an 8-bit I/O port fifo.
|
||||
|
||||
Writes the 8-bit I/O fifo port specified by Port.
|
||||
|
||||
The port is written Count times, and the write data is
|
||||
retrieved from the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O write and write operations are
|
||||
serialized.
|
||||
|
||||
If 8-bit I/O port operations are not supported, then ASSERT().
|
||||
|
||||
@param Port The I/O port to write.
|
||||
@param Count The number of times to write I/O port.
|
||||
@param Buffer The buffer to store the write data into.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
IoWriteFifo8 (
|
||||
IN UINTN Port,
|
||||
IN UINTN Count,
|
||||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
/**
|
||||
Writes a block of memory into a 16-bit I/O port fifo.
|
||||
|
||||
Writes the 16-bit I/O fifo port specified by Port.
|
||||
|
||||
The port is written Count times, and the write data is
|
||||
retrieved from the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O write and write operations are
|
||||
serialized.
|
||||
|
||||
If 16-bit I/O port operations are not supported, then ASSERT().
|
||||
|
||||
@param Port The I/O port to write.
|
||||
@param Count The number of times to write I/O port.
|
||||
@param Buffer The buffer to store the write data into.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
IoWriteFifo16 (
|
||||
IN UINTN Port,
|
||||
IN UINTN Count,
|
||||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
/**
|
||||
Writes a block of memory into a 32-bit I/O port fifo.
|
||||
|
||||
Writes the 32-bit I/O fifo port specified by Port.
|
||||
|
||||
The port is written Count times, and the write data is
|
||||
retrieved from the provided Buffer.
|
||||
|
||||
This function must guarantee that all I/O write and write operations are
|
||||
serialized.
|
||||
|
||||
If 32-bit I/O port operations are not supported, then ASSERT().
|
||||
|
||||
@param Port The I/O port to write.
|
||||
@param Count The number of times to write I/O port.
|
||||
@param Buffer The buffer to store the write data into.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
IoWriteFifo32 (
|
||||
IN UINTN Port,
|
||||
IN UINTN Count,
|
||||
OUT VOID *Buffer
|
||||
);
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -1,126 +0,0 @@
|
|||
;------------------------------------------------------------------------------
|
||||
;
|
||||
; Copyright (c) 2006 - 2012, Intel Corporation. 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
|
||||
; 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.
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
.code
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo8 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoReadFifo8 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insb
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
IoReadFifo8 ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo16 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoReadFifo16 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insw
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
IoReadFifo16 ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo32 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoReadFifo32 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insd
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
IoReadFifo32 ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo8 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoWriteFifo8 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsb
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
IoWriteFifo8 ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo16 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoWriteFifo16 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsw
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
IoWriteFifo16 ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo32 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
IoWriteFifo32 PROC
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsd
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
IoWriteFifo32 ENDP
|
||||
|
||||
END
|
||||
|
||||
|
|
@ -1,125 +0,0 @@
|
|||
;------------------------------------------------------------------------------
|
||||
;
|
||||
; Copyright (c) 2006 - 2012, Intel Corporation. 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
|
||||
; 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.
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
DEFAULT REL
|
||||
SECTION .text
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo8 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoReadFifo8)
|
||||
ASM_PFX(IoReadFifo8):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insb
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo16 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoReadFifo16)
|
||||
ASM_PFX(IoReadFifo16):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insw
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoReadFifo32 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoReadFifo32)
|
||||
ASM_PFX(IoReadFifo32):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rdi, r8 ; rdi: buffer address; r8: save rdi
|
||||
rep insd
|
||||
mov rdi, r8 ; restore rdi
|
||||
ret
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo8 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoWriteFifo8)
|
||||
ASM_PFX(IoWriteFifo8):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsb
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo16 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoWriteFifo16)
|
||||
ASM_PFX(IoWriteFifo16):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsw
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; IoWriteFifo32 (
|
||||
; IN UINTN Port, // rcx
|
||||
; IN UINTN Size, // rdx
|
||||
; IN VOID *Buffer // r8
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
global ASM_PFX(IoWriteFifo32)
|
||||
ASM_PFX(IoWriteFifo32):
|
||||
cld
|
||||
xchg rcx, rdx
|
||||
xchg rsi, r8 ; rsi: buffer address; r8: save rsi
|
||||
rep outsd
|
||||
mov rsi, r8 ; restore rsi
|
||||
ret
|
||||
|
||||
Loading…
Reference in New Issue