Skip restoration of DRx registers to support in-circuit emualators or debuggers set...

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / RuntimeDxe / EfiRuntimeLib / Debug.c

/*++\r
\r
Copyright (c) 2004, 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
\r
  Debug.c\r
\r
Abstract:\r
\r
  Support for Debug primatives. \r
\r
--*/\r
\r
#include "Tiano.h"\r
#include "EfiRuntimeLib.h"\r
#include EFI_GUID_DEFINITION (StatusCodeCallerId)\r
#include EFI_GUID_DEFINITION (StatusCodeDataTypeId)\r
\r
#define EFI_STATUS_CODE_DATA_MAX_SIZE64 (EFI_STATUS_CODE_DATA_MAX_SIZE / 8)\r
\r
VOID\r
EfiDebugAssert (\r
  IN CHAR8    *FileName,\r
  IN INTN     LineNumber,\r
  IN CHAR8    *Description\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Worker function for ASSERT (). If Error Logging hub is loaded log ASSERT\r
  information. If Error Logging hub is not loaded BREAKPOINT ().\r
  \r
Arguments:\r
\r
  FileName    - File name of failing routine.\r
\r
  LineNumber  - Line number of failing ASSERT ().\r
\r
  Description - Description, usually the assertion,\r
  \r
Returns:\r
  \r
  None\r
\r
--*/\r
{\r
  UINT64  Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE64];\r
\r
  EfiDebugAssertWorker (FileName, LineNumber, Description, sizeof (Buffer), Buffer);\r
\r
  EfiReportStatusCode (\r
    (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED),\r
    (EFI_SOFTWARE_DXE_RT_DRIVER | EFI_SW_EC_ILLEGAL_SOFTWARE_STATE),\r
    0,\r
    &gEfiCallerIdGuid,\r
    (EFI_STATUS_CODE_DATA *) Buffer\r
    );\r
\r
  //\r
  // Put break point in module that contained the error.\r
  //\r
  EFI_BREAKPOINT ();\r
}\r
\r
VOID\r
EfiDebugVPrint (\r
  IN  UINTN   ErrorLevel,\r
  IN  CHAR8   *Format,\r
  IN  VA_LIST Marker\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Worker function for DEBUG (). If Error Logging hub is loaded log ASSERT\r
  information. If Error Logging hub is not loaded do nothing.\r
  \r
Arguments:\r
\r
  ErrorLevel - If error level is set do the debug print.\r
\r
  Format     - String to use for the print, followed by Print arguments.\r
\r
  Marker     - VarArgs\r
  \r
Returns:\r
  \r
  None\r
\r
--*/\r
{\r
  UINT64  Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE64];\r
\r
  if (!(gRtErrorLevel & ErrorLevel)) {\r
    return ;\r
  }\r
\r
  EfiDebugVPrintWorker (ErrorLevel, Format, Marker, sizeof (Buffer), Buffer);\r
\r
  EfiReportStatusCode (\r
    EFI_DEBUG_CODE,\r
    (EFI_SOFTWARE_DXE_RT_DRIVER | EFI_DC_UNSPECIFIED),\r
    (UINT32) ErrorLevel,\r
    &gEfiCallerIdGuid,\r
    (EFI_STATUS_CODE_DATA *) Buffer\r
    );\r
\r
  return ;\r
}\r
\r
VOID\r
EfiDebugPrint (\r
  IN  UINTN                   ErrorLevel,\r
  IN  CHAR8                   *Format,\r
  ...\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Worker function for DEBUG (). If Error Logging hub is loaded log ASSERT\r
  information. If Error Logging hub is not loaded do nothing.\r
\r
  We use UINT64 buffers due to IPF alignment concerns.\r
\r
Arguments:\r
\r
  ErrorLevel - If error level is set do the debug print.\r
\r
  Format     - String to use for the print, followed by Print arguments.\r
\r
  ...        - VAR args for Format\r
  \r
Returns:\r
  \r
  None\r
\r
--*/\r
{\r
  VA_LIST Marker;\r
\r
  VA_START (Marker, Format);\r
  EfiDebugVPrint (ErrorLevel, Format, Marker);\r
  VA_END (Marker);\r
}\r