diff options
Diffstat (limited to 'roms/edk2/MdePkg/Library/BasePostCodeLibPort80')
3 files changed, 198 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.inf b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.inf new file mode 100644 index 000000000..d1c01e773 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.inf @@ -0,0 +1,43 @@ +## @file
+# Instance of Post Code Library using I/O port 0x80.
+#
+# Post Code Library that writes post code values to I/O port 0x80.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BasePostCodeLibPort80
+ MODULE_UNI_FILE = BasePostCodeLibPort80.uni
+ FILE_GUID = b6e9a733-eb75-41b6-b30c-009bcf3801c8
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PostCodeLib
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ PostCode.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ IoLib
+ PcdLib
+ DebugLib
+
+
+[Pcd]
+ gEfiMdePkgTokenSpaceGuid.PcdPostCodePropertyMask ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdPort80DataWidth ## CONSUMES
diff --git a/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.uni b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.uni new file mode 100644 index 000000000..e22b7fc82 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/BasePostCodeLibPort80.uni @@ -0,0 +1,16 @@ +// /** @file
+// Instance of Post Code Library using I/O port 0x80.
+//
+// Post Code Library that writes post code values to I/O port 0x80.
+//
+// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Instance of Post Code Library using I/O port 0x80"
+
+#string STR_MODULE_DESCRIPTION #language en-US "Post Code Library that writes post code values to I/O port 0x80."
+
diff --git a/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/PostCode.c b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/PostCode.c new file mode 100644 index 000000000..bcba4a733 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BasePostCodeLibPort80/PostCode.c @@ -0,0 +1,139 @@ +/** @file
+ Post Code Library instance that writes post code values to I/O port 0x80.
+
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+
+#include <Library/PostCodeLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Sends an 32-bit value to a POST card.
+
+ Sends the 32-bit value specified by Value to a POST card, and returns Value.
+ Some implementations of this library function may perform I/O operations
+ directly to a POST card device. Other implementations may send Value to
+ ReportStatusCode(), and the status code reporting mechanism will eventually
+ display the 32-bit value on the status reporting device.
+
+ PostCode() must actively prevent recursion. If PostCode() is called while
+ processing another any other Post Code Library function, then
+ PostCode() must return Value immediately.
+
+ @param Value The 32-bit value to write to the POST card.
+
+ @return The 32-bit value to write to the POST card.
+
+**/
+UINT32
+EFIAPI
+PostCode (
+ IN UINT32 Value
+ )
+{
+ switch (PcdGet8 (PcdPort80DataWidth)) {
+ case 8:
+ IoWrite8 (0x80, (UINT8)(Value));
+ break;
+ case 16:
+ IoWrite16 (0x80, (UINT16)(Value));
+ break;
+ case 32:
+ IoWrite32 (0x80, Value);
+ break;
+ default:
+ //
+ // Assert on the invalid data width
+ //
+ ASSERT (FALSE);
+ break;
+ }
+
+ return Value;
+}
+
+
+/**
+ Sends an 32-bit value to a POST and associated ASCII string.
+
+ Sends the 32-bit value specified by Value to a POST card, and returns Value.
+ If Description is not NULL, then the ASCII string specified by Description is
+ also passed to the handler that displays the POST card value. Some
+ implementations of this library function may perform I/O operations directly
+ to a POST card device. Other implementations may send Value to ReportStatusCode(),
+ and the status code reporting mechanism will eventually display the 32-bit
+ value on the status reporting device.
+
+ PostCodeWithDescription()must actively prevent recursion. If
+ PostCodeWithDescription() is called while processing another any other Post
+ Code Library function, then PostCodeWithDescription() must return Value
+ immediately.
+
+ @param Value The 32-bit value to write to the POST card.
+ @param Description The pointer to an ASCII string that is a description of the
+ POST code value. This is an optional parameter that may
+ be NULL.
+
+ @return The 32-bit value to write to the POST card.
+
+**/
+UINT32
+EFIAPI
+PostCodeWithDescription (
+ IN UINT32 Value,
+ IN CONST CHAR8 *Description OPTIONAL
+ )
+{
+ PostCode (Value);
+ return Value;
+}
+
+
+/**
+ Returns TRUE if POST Codes are enabled.
+
+ This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_ENABLED
+ bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of
+ PcdPostCodeProperyMask is set.
+ @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of
+ PcdPostCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+PostCodeEnabled (
+ VOID
+ )
+{
+ return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_ENABLED) != 0);
+}
+
+
+/**
+ Returns TRUE if POST code descriptions are enabled.
+
+ This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED
+ bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned.
+
+ @retval TRUE The POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED bit of
+ PcdPostCodeProperyMask is set.
+ @retval FALSE The POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED bit of
+ PcdPostCodeProperyMask is clear.
+
+**/
+BOOLEAN
+EFIAPI
+PostCodeDescriptionEnabled (
+ VOID
+ )
+{
+ return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED) != 0);
+}
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