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>

7 files changed, 10 insertions, 717 deletions

diff --git a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
index 6ccfc40e10..60f4bbc1fd 100644
--- a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
+++ b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.c
@@ -2,6 +2,8 @@
   Produces the CPU I/O 2 Protocol.

 

 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        

@@ -13,7 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 **/

 

 #include "CpuIo2Dxe.h"

-#include "IoFifo.h"

 

 //

 // Handle for the CPU I/O 2 Protocol

@@ -412,7 +413,9 @@ CpuIoServiceRead (
   OutStride = mOutStride[Width];

   OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

 

-#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)

+  //

+  // Fifo operations supported for (mInStride[Width] == 0)

+  //

   if (InStride == 0) {

     switch (OperationWidth) {

     case EfiCpuIoWidthUint8:

@@ -433,7 +436,6 @@ CpuIoServiceRead (
       break;

     }

   }

-#endif

 

   for (Uint8Buffer = Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {

     if (OperationWidth == EfiCpuIoWidthUint8) {

@@ -518,7 +520,9 @@ CpuIoServiceWrite (
   OutStride = mOutStride[Width];

   OperationWidth = (EFI_CPU_IO_PROTOCOL_WIDTH) (Width & 0x03);

 

-#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)

+  //

+  // Fifo operations supported for (mInStride[Width] == 0)

+  //

   if (InStride == 0) {

     switch (OperationWidth) {

     case EfiCpuIoWidthUint8:

@@ -539,7 +543,6 @@ CpuIoServiceWrite (
       break;

     }

   }

-#endif

 

   for (Uint8Buffer = (UINT8 *)Buffer; Count > 0; Address += InStride, Uint8Buffer += OutStride, Count--) {

     if (OperationWidth == EfiCpuIoWidthUint8) {

diff --git a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
index 920ede7846..55036622ca 100644
--- a/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
+++ b/UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
@@ -2,6 +2,8 @@
 #  Produces the CPU I/O 2 Protocol by using the services of the I/O Library.

 #

 # Copyright (c) 2009 - 2016, 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

@@ -30,15 +32,6 @@
 [Sources]

   CpuIo2Dxe.c

   CpuIo2Dxe.h

-  IoFifo.h

-  

-[Sources.IA32]

-  Ia32/IoFifo.nasm

-  Ia32/IoFifo.asm

-

-[Sources.X64]

-  X64/IoFifo.nasm

-  X64/IoFifo.asm

 

 [Packages]

   MdePkg/MdePkg.dec

diff --git a/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.asm b/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.asm
deleted file mode 100644
index b1cc25eeb6..0000000000
--- a/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.asm
+++ /dev/null
@@ -1,140 +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.

-;

-;------------------------------------------------------------------------------

-

-    .586P

-    .model  flat,C

-    .code

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo8 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoReadFifo8 PROC

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insb

-    pop     edi

-    ret

-IoReadFifo8 ENDP

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo16 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoReadFifo16 PROC

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insw

-    pop     edi

-    ret

-IoReadFifo16 ENDP

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo32 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoReadFifo32 PROC

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insd

-    pop     edi

-    ret

-IoReadFifo32 ENDP

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo8 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoWriteFifo8 PROC

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsb

-    pop     esi

-    ret

-IoWriteFifo8 ENDP

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo16 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoWriteFifo16 PROC

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsw

-    pop     esi

-    ret

-IoWriteFifo16 ENDP

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo32 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-IoWriteFifo32 PROC

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsd

-    pop     esi

-    ret

-IoWriteFifo32 ENDP

-

-    END

-

diff --git a/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.nasm b/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.nasm
deleted file mode 100644
index daa90a99af..0000000000
--- a/UefiCpuPkg/CpuIo2Dxe/Ia32/IoFifo.nasm
+++ /dev/null
@@ -1,136 +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.

-;

-;------------------------------------------------------------------------------

-

-    SECTION .text

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo8 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoReadFifo8)

-ASM_PFX(IoReadFifo8):

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insb

-    pop     edi

-    ret

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo16 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoReadFifo16)

-ASM_PFX(IoReadFifo16):

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insw

-    pop     edi

-    ret

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoReadFifo32 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoReadFifo32)

-ASM_PFX(IoReadFifo32):

-    push    edi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     edi, [esp + 16]

-rep insd

-    pop     edi

-    ret

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo8 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoWriteFifo8)

-ASM_PFX(IoWriteFifo8):

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsb

-    pop     esi

-    ret

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo16 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoWriteFifo16)

-ASM_PFX(IoWriteFifo16):

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsw

-    pop     esi

-    ret

-

-;------------------------------------------------------------------------------

-;  VOID

-;  EFIAPI

-;  IoWriteFifo32 (

-;    IN UINTN                  Port,

-;    IN UINTN                  Size,

-;    IN VOID                   *Buffer

-;    );

-;------------------------------------------------------------------------------

-global ASM_PFX(IoWriteFifo32)

-ASM_PFX(IoWriteFifo32):

-    push    esi

-    cld

-    mov     dx, [esp + 8]

-    mov     ecx, [esp + 12]

-    mov     esi, [esp + 16]

-rep outsd

-    pop     esi

-    ret

-

diff --git a/UefiCpuPkg/CpuIo2Dxe/IoFifo.h b/UefiCpuPkg/CpuIo2Dxe/IoFifo.h
deleted file mode 100644
index 9978f8bfc3..0000000000
--- a/UefiCpuPkg/CpuIo2Dxe/IoFifo.h
+++ /dev/null
@@ -1,176 +0,0 @@
-/** @file

-  I/O FIFO routines

-

-  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.

-

-**/

-

-#ifndef _IO_FIFO_H_INCLUDED_

-#define _IO_FIFO_H_INCLUDED_

-

-/**

-  Reads an 8-bit I/O port fifo into a block of memory.

-

-  Reads the 8-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 8-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

-IoReadFifo8 (

-  IN      UINTN                     Port,

-  IN      UINTN                     Count,

-  OUT     VOID                      *Buffer

-  );

-

-/**

-  Reads a 16-bit I/O port fifo into a block of memory.

-

-  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

-

diff --git a/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.asm b/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.asm
deleted file mode 100644
index 1a3f0ef2ca..0000000000
--- a/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.asm
+++ /dev/null
@@ -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

-

diff --git a/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.nasm b/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.nasm
deleted file mode 100644
index bb3d1da67a..0000000000
--- a/UefiCpuPkg/CpuIo2Dxe/X64/IoFifo.nasm
+++ /dev/null
@@ -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

-