Clean up CpuIoDxe:

1. Remove the assembly files by using IoLib in MdePkg.
2. Remove the unused DXS file.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7402 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 0 insertions, 254 deletions

diff --git a/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm b/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm
deleted file mode 100644
index 07b14ea554..0000000000
--- a/DuetPkg/CpuIoDxe/Ia32/CpuIoAccess.asm
+++ /dev/null
@@ -1,120 +0,0 @@
-  title   CpuIoAccess.asm

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

-;*

-;*   Copyright (c) 2005, 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.             

-;*   

-;*   Module Name:

-;*     CpuIoAccess.asm

-;* 

-;*   Abstract: 

-;*     Supports IA32 CPU IO operation

-;*  

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

-;

-;

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

-

-  .686

-  .MODEL FLAT,C

-  .CODE

-

-

-UINT8    TYPEDEF    BYTE

-UINT16   TYPEDEF    WORD

-UINT32   TYPEDEF    DWORD

-UINT64   TYPEDEF    QWORD

-UINTN    TYPEDEF    UINT32

-

-

-

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

-;  UINT8

-;  CpuIoRead8 (

-;    IN  UINT16  Port

-;    )

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

-CpuIoRead8 PROC    PUBLIC Port:UINT16

-    mov    dx,  Port

-    in     al,  dx

-    ret

-CpuIoRead8  ENDP

-

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

-;  UINT16

-;  CpuIoRead16 (

-;    IN  UINT16  Port

-;    )

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

-CpuIoRead16 PROC    PUBLIC Port:UINT16

-    mov    dx,  Port

-    in     ax,  dx

-    ret

-CpuIoRead16  ENDP

-

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

-;  UINT32

-;  CpuIoRead32 (

-;    IN  UINT16  Port

-;    )

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

-CpuIoRead32 PROC    PUBLIC Port:UINT16

-    mov   dx,  Port

-    in    eax, dx

-    ret

-CpuIoRead32  ENDP

-

-

-

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

-;  VOID

-;  CpuIoWrite8 (

-;    IN  UINT16  Port,

-;    IN  UINT32  Data

-;    )

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

-CpuIoWrite8 PROC    PUBLIC Port:UINT16, Data:UINT32

-    mov    eax, Data

-    mov    dx,  Port

-    out    dx,  al

-    ret

-CpuIoWrite8  ENDP

-

-

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

-;  VOID

-;  CpuIoWrite16 (

-;    IN  UINT16  Port,

-;    IN  UINT32  Data

-;    )

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

-CpuIoWrite16 PROC    PUBLIC Port:UINT16, Data:UINT32

-    mov    eax, Data

-    mov    dx,  Port

-    out    dx,  ax

-    ret

-CpuIoWrite16  ENDP

-

-

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

-;  VOID

-;  CpuIoWrite32 (

-;    IN  UINT16  Port,

-;    IN  UINT32  Data

-;    )

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

-CpuIoWrite32 PROC    PUBLIC Port:UINT16, Data:UINT32

-    mov    eax, Data

-    mov    dx,  Port

-    out    dx,  eax

-    ret

-CpuIoWrite32  ENDP

-

-

-END
\ No newline at end of file
diff --git a/DuetPkg/CpuIoDxe/Ia32/CpuIoAccessGNU.c b/DuetPkg/CpuIoDxe/Ia32/CpuIoAccessGNU.c
deleted file mode 100644
index 592eb0fdfb..0000000000
--- a/DuetPkg/CpuIoDxe/Ia32/CpuIoAccessGNU.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*  This file is only used when not able to compile the MASM CpuIoAccess.asm

-    NOTE: Compiling with -fomit-frame-pointer would get you to roughly the exact

-    same code as the MASM file although GCC will typically include movzbl %al, %eax

-    or movzwl %ax, %eax instructions on the read functions such that the entire

-    eax result register will be valid, not just the lowest 8 or 16 bits.

- */

-#ifdef __GNUC__

-

-/*  A quick note about GCC inline asm and the GNU assembler:

-    When gas encounters an instruction with a suffix (e.g. inb, inw, or inl vs. just in) it will

-    warn if the operand corresponding to the suffix is not of the correct size and will assume you

-    meant what you said when you specified the suffix.

-

-    Because GCC does not enable us to see whether it is replacing %0 with %al, %ax, or %eax it is

-    helpful to have the assembler warn us that GCC is making an incorrect assumption.  The actual

-    in or out instruction will always be generated correctly in this case since the assembler is

-    correct in assuming we meant what we said when we specified the suffix.  However, GCC might

-    generate incorrect surrounding code.  For example, if we were to incorrectly specify the

-    output size of an in instruction as UINT32, GCC would potentially fail to issue movz(b|w)l after

-    it under the assumption that the in instruction filled the entire eax register and not just

-    the al or ax portion.

-

-    GCC determines which size of register to use based on the C data type.  So for in instructions

-    the interesting type is that of the automatic variable named Data which is specified as an

-    output operand to the inline assembly statement.  For example:

-

-      UINT8     Data;

-      asm ( "inb %1, %0"

-          : "=a"(Data)

-          : "d"(Port)

-          );

-      return Data;

-

-    In this case, GCC will replace %0 with %al.  If Data had been specified as UINT16, it would replace

-    %0 with %ax, and for UINT32 with %eax.

-

-    Likewise in the case of IA32 out instructions, GCC will replace %0 with the appropriately sized

-    register based on the size of the input operand.  There is one gotcha though.  The CpuIoWrite

-    series of functions all use UINT32 as the type of the second (Data) argument.  This means that

-    for GCC to output the correct register size we must cast it appropriately.

-

-    The Port number is always a UINT16 so GCC will always ouput %dx.

- */

-

-#include "CpuIoAccess.h"

-

-UINT8

-EFIAPI

-CpuIoRead8 (

-  IN  UINT16  Port

-  )

-{

-  UINT8     Data;

-  asm ( "inb %1, %0"

-      : "=a"(Data)

-      : "d"(Port)

-      );

-  return Data;

-}

-

-UINT16

-EFIAPI

-CpuIoRead16 (

-  IN  UINT16  Port

-  )

-{

-  UINT16    Data;

-  asm ( "inw %1, %0"

-      : "=a"(Data)

-      : "d"(Port)

-      );

-  return Data;

-}

-

-UINT32

-EFIAPI

-CpuIoRead32 (

-  IN  UINT16  Port

-  )

-{

-  UINT32    Data;

-  asm ( "inl %1, %0"

-      : "=a"(Data)

-      : "d"(Port)

-      );

-  return Data;

-}

-

-VOID

-EFIAPI

-CpuIoWrite8 (

-  IN  UINT16  Port,

-  IN  UINT32  Data

-  )

-{

-  asm ( "outb %1, %0"

-      : /* No outputs */

-      : "d"(Port)

-      , "a"((UINT8)Data)

-      );

-}

-

-VOID

-EFIAPI

-CpuIoWrite16 (

-  IN  UINT16  Port,

-  IN  UINT32  Data

-  )

-{

-  asm ( "outw %1, %0"

-      : /* No outputs */

-      : "d"(Port)

-      , "a"((UINT16)Data)

-      );

-}

-

-VOID

-EFIAPI

-CpuIoWrite32 (

-  IN  UINT16  Port,

-  IN  UINT32  Data

-  )

-{

-  asm ( "outl %1, %0"

-      : /* No outputs */

-      : "d"(Port)

-      /*  NOTE: Cast is technically unnecessary but we use it to illustrate

-          that we always want to output a UINT32 and never anything else.

-       */

-      , "a"((UINT32)Data) 

-      );

-}

-

-#endif /* def __GNUC__ */