DuetPkg: Move EfiLdr Handoff data to stack

[mirror_edk2.git] / DuetPkg / EfiLdr / Debug.c

/*++\r
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Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
  Debug.c\r
\r
Abstract:\r
\r
Revision History:\r
\r
--*/\r
#include "EfiLdr.h"\r
#include "Debug.h"\r
#include <Library/SerialPortLib.h>\r
\r
UINT8 *mCursor;\r
UINT8 mHeaderIndex = 10;\r
\r
VOID\r
PrintHeader (\r
  CHAR8 Char\r
  )\r
{\r
  *(UINT8 *)(UINTN)(0x000b8000 + mHeaderIndex) = Char;\r
  mHeaderIndex += 2;\r
}\r
\r
VOID\r
ClearScreen (\r
  VOID\r
  )\r
{\r
  UINT32 Index;\r
\r
  mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160);\r
  for (Index = 0; Index < 80 * 49; Index++) {\r
    *mCursor = ' ';\r
    mCursor += 2;\r
  }\r
  mCursor = (UINT8 *)(UINTN)(0x000b8000 + 160);\r
}\r
\r
\r
VOID \r
PrintU32Base10 (\r
  UINT32 Value\r
  )\r
{\r
  UINT32 Index;\r
  CHAR8  Char;\r
  CHAR8  String[11];\r
  UINTN  StringPos;\r
  UINT32 B10Div;\r
\r
  B10Div = 1000000000;\r
  for (Index = 0, StringPos = 0; Index < 10; Index++) {\r
    Char = ((Value / B10Div) % 10) + '0';\r
    if ((StringPos > 0) || (Char != '0')) {\r
      String[StringPos] = Char;\r
      StringPos++;\r
    }\r
    B10Div = B10Div / 10;\r
  }\r
\r
  if (StringPos == 0) {\r
      String[0] = '0';\r
      StringPos++;\r
  }\r
\r
  String[StringPos] = '\0';\r
\r
  PrintString (String);\r
}\r
\r
\r
VOID\r
PrintValue (\r
  UINT32 Value\r
  )\r
{\r
  UINT32 Index;\r
  CHAR8  Char;\r
  CHAR8  String[9];\r
\r
  for (Index = 0; Index < 8; Index++) {\r
    Char = (UINT8)(((Value >> ((7 - Index) * 4)) & 0x0f) + '0');\r
    if (Char > '9') {\r
      Char = (UINT8) (Char - '0' - 10 + 'A');\r
    }\r
    String[Index] = Char;\r
  }\r
\r
  String[sizeof (String) - 1] = '\0';\r
\r
  PrintString (String);\r
}\r
\r
VOID\r
PrintValue64 (\r
  UINT64 Value\r
  )\r
{\r
  PrintValue ((UINT32) RShiftU64 (Value, 32));\r
  PrintValue ((UINT32) Value);\r
}\r
\r
VOID\r
PrintString (\r
  CHAR8 *String\r
  )\r
{\r
  UINT32 Index;\r
\r
  for (Index = 0; String[Index] != 0; Index++) {\r
    if (String[Index] == '\n') {\r
      mCursor = (UINT8 *)(UINTN)(0xb8000 + (((((UINTN)mCursor - 0xb8000) + 160) / 160) * 160));\r
    } else {\r
      *mCursor = String[Index];\r
      mCursor += 2;\r
    }\r
  }\r
\r
  //\r
  // All information also output to serial port.\r
  //\r
  SerialPortWrite ((UINT8*) String, Index);\r
}\r
\r