diff options
| -rw-r--r-- | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf | 11 | ||||
| -rw-r--r-- | MdePkg/Library/BaseIoLibIntrinsic/IoLibEbc.c | 171 | ||||
| -rw-r--r-- | MdePkg/MdePkg.dsc | 1 |
3 files changed, 180 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf index d9529eb..29b9e8b 100644 --- a/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf +++ b/MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf @@ -3,9 +3,10 @@ #
# I/O Library that uses compiler intrinsics to perform IN and OUT instructions
# for IA-32 and x64. On IPF, I/O port requests are translated into MMIO requests.
-# MMIO requests are forwarded directly to memory.
+# MMIO requests are forwarded directly to memory. For EBC, I/O port requests
+# ASSERT().
#
-# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# This program and the accompanying materials
@@ -29,7 +30,7 @@ #
-# VALID_ARCHITECTURES = IA32 X64 IPF ARM AARCH64
+# VALID_ARCHITECTURES = IA32 X64 EBC IPF ARM AARCH64
#
[Sources]
@@ -49,6 +50,10 @@ IoLibIcc.c | INTEL
IoLib.c
+[Sources.EBC]
+ IoLibEbc.c
+ IoLib.c
+
[Sources.IPF]
IoLibIpf.c
diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibEbc.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibEbc.c new file mode 100644 index 0000000..991c1e0 --- /dev/null +++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibEbc.c @@ -0,0 +1,171 @@ +/** @file + I/O Library for EBC. + + EBC does not support port I/O. All APIs in this file ASSERT(). + + Copyright (c) 2015, 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. + +**/ + +#include "BaseIoLibIntrinsicInternal.h" + +/** + Reads an 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. + 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. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoRead8 ( + IN UINTN Port + ) +{ + ASSERT (FALSE); + return 0; +} + +/** + Writes an 8-bit I/O port. + + Writes the 8-bit I/O port specified by Port with the value specified by Value + and returns Value. 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 write. + @param Value The value to write to the I/O port. + + @return The value written to the I/O port. + +**/ +UINT8 +EFIAPI +IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ) +{ + ASSERT (FALSE); + return 0; +} + +/** + Reads a 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. + 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(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoRead16 ( + IN UINTN Port + ) +{ + ASSERT (FALSE); + return 0; +} + +/** + Writes a 16-bit I/O port. + + Writes the 16-bit I/O port specified by Port with the value specified by Value + and returns Value. 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(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written to the I/O port. + +**/ +UINT16 +EFIAPI +IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ) +{ + ASSERT (FALSE); + return 0; +} + +/** + Reads a 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. + 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(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoRead32 ( + IN UINTN Port + ) +{ + ASSERT (FALSE); + return 0; +} + +/** + Writes a 32-bit I/O port. + + Writes the 32-bit I/O port specified by Port with the value specified by Value + and returns Value. 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(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written to the I/O port. + +**/ +UINT32 +EFIAPI +IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ) +{ + ASSERT (FALSE); + return 0; +} diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc index 4ea367c..473df4d 100644 --- a/MdePkg/MdePkg.dsc +++ b/MdePkg/MdePkg.dsc @@ -172,6 +172,7 @@ MdePkg/Library/DxeTimerLibEsal/DxeTimerLibEsal.inf
[Components.EBC]
+ MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
[Components.ARM, Components.AARCH64]
|