mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-25 16:37:42 +01:00
288 lines
8.1 KiB
C
Executable File
288 lines
8.1 KiB
C
Executable File
/** @file
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Copyright (C) 2016 - 2018, The HermitCrabs Lab. All rights reserved.
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Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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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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#include <Uefi.h>
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#include <Protocol/OcLog.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/DebugPrintErrorLevelLib.h>
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#include <Library/PcdLib.h>
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#include <Library/PrintLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include "OcLogInternal.h"
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/**
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Prints a debug message to the debug output device if the specified error level is enabled.
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If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function
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GetDebugPrintErrorLevel (), then print the message specified by Format and the
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associated variable argument list to the debug output device.
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If Format is NULL, then ASSERT().
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@param ErrorLevel The error level of the debug message.
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@param Format Format string for the debug message to print.
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@param ... A variable argument list whose contents are accessed
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based on the format string specified by Format.
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**/
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VOID
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EFIAPI
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DebugPrint (
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IN UINTN ErrorLevel,
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IN CONST CHAR8 *Format,
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...
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)
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{
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VA_LIST Marker;
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CHAR16 Buffer[256];
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OC_LOG_PROTOCOL *OcLog;
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ASSERT (Format != NULL);
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OcLog = InternalGetOcLog ();
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VA_START (Marker, Format);
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if (OcLog != NULL) {
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OcLog->AddEntry (OcLog, ErrorLevel, Format, Marker);
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} else if ((ErrorLevel & GetDebugPrintErrorLevel ()) != 0) {
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UnicodeVSPrintAsciiFormat (Buffer, sizeof (Buffer), Format, Marker);
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gST->ConOut->OutputString (gST->ConOut, Buffer);
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}
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VA_END (Marker);
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}
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/**
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Prints 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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Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n"
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to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of
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PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if
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DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then
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CpuDeadLoop() is called. If neither of these bits are set, then this function
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returns immediately after the message is printed to the debug output device.
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DebugAssert() must actively prevent recursion. If DebugAssert() is called while
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processing another DebugAssert(), then DebugAssert() must return immediately.
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If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed.
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If Description is NULL, then a <Description> string of "(NULL) Description" is printed.
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@param FileName The pointer to the name of the source file that generated
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the assert condition.
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@param LineNumber The line number in the source file that generated the
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assert condition
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@param Description The pointer to the description of the assert condition.
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**/
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VOID
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EFIAPI
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DebugAssert (
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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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// Generate the ASSERT() message and log it
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//
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DebugPrint (
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DEBUG_ERROR,
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"ASSERT [%a] %a(%d): %a\n",
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gEfiCallerBaseName,
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FileName,
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LineNumber,
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Description
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);
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//
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// Generate a Breakpoint, DeadLoop, or NOP based on PCD settings
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//
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if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {
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CpuBreakpoint ();
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} else if ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {
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CpuDeadLoop ();
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}
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}
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/**
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Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.
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This function fills Length bytes of Buffer with the value specified by
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PcdDebugClearMemoryValue, and returns Buffer.
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If Buffer is NULL, then ASSERT().
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If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
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@param Buffer The pointer to the target buffer to be filled with PcdDebugClearMemoryValue.
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@param Length The number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue.
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@return Buffer The pointer to the target buffer filled with PcdDebugClearMemoryValue.
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**/
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VOID *
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EFIAPI
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DebugClearMemory (
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OUT VOID *Buffer,
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IN UINTN Length
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)
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{
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//
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// If Buffer is NULL, then ASSERT().
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//
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ASSERT (Buffer != NULL);
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//
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// SetMem() checks for the the ASSERT() condition on Length and returns Buffer
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//
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return SetMem (Buffer, Length, PcdGet8 (PcdDebugClearMemoryValue));
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}
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/**
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Returns TRUE if ASSERT() macros are enabled.
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This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
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PcdDebugProperyMask is set. Otherwise FALSE is returned.
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@retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.
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@retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear.
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**/
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BOOLEAN
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EFIAPI
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DebugAssertEnabled (
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VOID
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)
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{
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return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);
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}
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/**
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Returns TRUE if DEBUG() macros are enabled.
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This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of
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PcdDebugProperyMask is set. Otherwise FALSE is returned.
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@retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.
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@retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear.
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**/
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BOOLEAN
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EFIAPI
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DebugPrintEnabled (
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VOID
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)
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{
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return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);
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}
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/**
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Returns TRUE if DEBUG_CODE() macros are enabled.
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This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of
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PcdDebugProperyMask is set. Otherwise FALSE is returned.
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@retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.
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@retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear.
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**/
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BOOLEAN
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EFIAPI
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DebugCodeEnabled (
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VOID
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)
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{
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return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);
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}
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/**
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Returns TRUE if DEBUG_CLEAR_MEMORY() macro is enabled.
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This function returns TRUE if the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of
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PcdDebugProperyMask is set. Otherwise FALSE is returned.
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@retval TRUE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.
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@retval FALSE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.
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**/
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BOOLEAN
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EFIAPI
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DebugClearMemoryEnabled (
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VOID
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)
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{
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return (BOOLEAN) ((PcdGet8 (PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);
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}
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/**
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Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel.
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This function compares the bit mask of ErrorLevel and PcdFixedDebugPrintErrorLevel.
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@retval TRUE Current ErrorLevel is supported.
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@retval FALSE Current ErrorLevel is not supported.
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**/
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BOOLEAN
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EFIAPI
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DebugPrintLevelEnabled (
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IN CONST UINTN ErrorLevel
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)
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{
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return (BOOLEAN) ((ErrorLevel & PcdGet32 (PcdFixedDebugPrintErrorLevel)) != 0);
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}
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/**
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Prints via gST->ConOut without any pool allocations.
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Otherwise equivalent to Print.
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Note: EFIAPI must be present for VA_ARGS forwarding (causes bugs with gcc).
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@param[in] Format Formatted string.
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**/
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VOID
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EFIAPI
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OcPrintScreen (
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IN CONST CHAR16 *Format,
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...
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)
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{
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CHAR16 Buffer[1024];
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VA_LIST Marker;
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VA_START (Marker, Format);
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UnicodeVSPrint (Buffer, sizeof (Buffer), Format, Marker);
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VA_END (Marker);
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//
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// It is safe to call gST->ConOut->OutputString, because in crtitical areas
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// AptioMemoryFix is responsible for overriding gBS->AllocatePool with its own
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// implementation that uses a custom allocator.
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//
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if (gST->ConOut) {
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gST->ConOut->OutputString (gST->ConOut, Buffer);
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}
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}
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