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Maurice Ma
d8c0177fe9
This patch allows to use a mailbox register (DWORD) to support debug port. If CCA debug is connected, it is possible to access certain SOC register through BSSB. Then this register can be used for debug console input/output. Signed-off-by: Maurice Ma <maurice.ma@intel.com>
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/** @file
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Provide Console output library functions.
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Copyright (c) 2018 - 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/BootloaderCommonLib.h>
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#include <Library/DebugLogBufferLib.h>
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#include <Guid/LoaderPlatformDataGuid.h>
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#include <Library/GraphicsLib.h>
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#include <Library/PrintLib.h>
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#include <Library/SerialPortLib.h>
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#include <Library/HobLib.h>
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#include <Library/ConsoleOutLib.h>
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#include <Library/DebugPortLib.h>
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/**
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Write data from buffer to the console.
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Writes NumberOfBytes data bytes from Buffer to the virtual console.
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If Buffer is NULL, then ASSERT().
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If NumberOfBytes is zero, then return 0.
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@param Buffer Pointer to the data buffer to be written.
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@param NumberOfBytes Number of bytes to write to the console.
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@retval >0 The number of bytes written to the console.
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**/
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UINTN
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EFIAPI
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ConsoleWrite (
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IN UINT8 *Buffer,
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IN UINTN NumberOfBytes
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)
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{
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if (PcdGet32 (PcdConsoleOutDeviceMask) & ConsoleOutSerialPort) {
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SerialPortWrite ((UINT8 *)Buffer, NumberOfBytes);
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}
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if (PcdGet32 (PcdConsoleOutDeviceMask) & ConsoleOutFrameBuffer) {
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FrameBufferWrite ((UINT8 *)Buffer, NumberOfBytes);
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}
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if (PcdGet32 (PcdConsoleOutDeviceMask) & ConsoleOutDebugPort) {
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DebugPortWrite ((UINT8 *)Buffer, NumberOfBytes);
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}
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return NumberOfBytes;
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}
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/**
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Print Ascii debug message to consoles
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If Format is NULL, then ASSERT().
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@param Format The format string for the debug message to print.
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@param ... The 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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UINTN
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EFIAPI
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ConsolePrint (
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IN CONST CHAR8 *Format,
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...
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)
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{
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CHAR8 Buffer[MAX_MESSAGE_LENGTH];
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VA_LIST Marker;
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UINTN Length;
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VA_START (Marker, Format);
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Length = AsciiVSPrint (Buffer, sizeof (Buffer), Format, Marker);
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VA_END (Marker);
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return ConsoleWrite ((UINT8 *)Buffer, Length);
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}
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/**
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Print Unicode debug message to consoles
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If Format is NULL, then ASSERT().
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@param Format The format string for the debug message to print.
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@param ... The 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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UINTN
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EFIAPI
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ConsolePrintUnicode (
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IN CONST CHAR16 *Format,
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...
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)
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{
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CHAR8 Buffer[MAX_MESSAGE_LENGTH];
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VA_LIST Marker;
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UINTN Length;
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VA_START (Marker, Format);
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Length = AsciiVSPrintUnicodeFormat (Buffer, sizeof (Buffer), Format, Marker);
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VA_END (Marker);
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return ConsoleWrite ((UINT8 *)Buffer, Length);
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}
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