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+/** @file
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+ Define the EDKII_DEBUG_PPI that PEIMs can use to dump info to debug port.
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+
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+ Copyright (c) 2019, Intel Corporation. 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
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+ of the BSD License which accompanies this distribution. The
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+ 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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+
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+#ifndef __EDKII_DEBUG_PPI_H__
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+#define __EDKII_DEBUG_PPI_H__
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+
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+#include <Pi/PiPeiCis.h>
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+
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+//
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+// Global ID for the EDKII_DEBUG_PPI
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+//
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+#define EDKII_DEBUG_PPI_GUID \
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+ { \
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+ 0x999e699c, 0xb013, 0x475e, {0xb1, 0x7b, 0xf3, 0xa8, 0xae, 0x5c, 0x48, 0x75} \
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+ }
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+
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+///
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+/// Forward declaration for the PEI_DEBUG_LIB_DEBUG_PPI EDKII_DEBUG_PPI
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+///
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+typedef struct _EDKII_DEBUG_PPI EDKII_DEBUG_PPI;
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+
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+/**
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+ Print a debug message to debug output device if the specified error level
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+ is enabled.
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+
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+ @param[in] ErrorLevel The error level of the debug message.
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+ @param[in] Format Format string for the debug message to print.
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+ @param[in] Marker BASE_LIST marker for the variable argument list.
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+
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+**/
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+typedef
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+VOID
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+(EFIAPI *EDKII_DEBUG_BPRINT)(
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+ IN UINTN ErrorLevel,
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+ IN CONST CHAR8 *Format,
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+ IN BASE_LIST Marker
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+ );
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+
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+/**
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+ Print an assert message containing a filename, line number, and description.
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+ This may be followed by a breakpoint or a dead loop.
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+
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+ @param[in] FileName The pointer to the name of the source file that
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+ generated the assert condition.
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+ @param[in] LineNumber The line number in the source file that generated
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+ the assert condition
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+ @param[in] Description The pointer to the description of the assert condition.
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+
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+**/
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+typedef
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+VOID
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+(EFIAPI *EDKII_DEBUG_ASSERT)(
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+ IN CONST CHAR8 *FileName,
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+ IN UINTN LineNumber,
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+ IN CONST CHAR8 *Description
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+ );
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+
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+///
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+/// This PPI contains a set of services to print message to debug output device
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+///
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+struct _EDKII_DEBUG_PPI {
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+ EDKII_DEBUG_BPRINT DebugBPrint;
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+ EDKII_DEBUG_ASSERT DebugAssert;
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+};
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+
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+extern EFI_GUID gEdkiiDebugPpiGuid;
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+
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+#endif
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+
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