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Diffstat (limited to 'sys/contrib/dev/acpica/components/debugger/dbhistry.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/debugger/dbhistry.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/debugger/dbhistry.c b/sys/contrib/dev/acpica/components/debugger/dbhistry.c new file mode 100644 index 0000000..6982627 --- /dev/null +++ b/sys/contrib/dev/acpica/components/debugger/dbhistry.c @@ -0,0 +1,220 @@ +/****************************************************************************** + * + * Module Name: dbhistry - debugger HISTORY command + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acdebug.h> + +#ifdef ACPI_DEBUGGER + +#define _COMPONENT ACPI_CA_DEBUGGER + ACPI_MODULE_NAME ("dbhistry") + + +#define HI_NO_HISTORY 0 +#define HI_RECORD_HISTORY 1 +#define HISTORY_SIZE 20 + + +typedef struct HistoryInfo +{ + char Command[80]; + UINT32 CmdNum; + +} HISTORY_INFO; + + +static HISTORY_INFO AcpiGbl_HistoryBuffer[HISTORY_SIZE]; +static UINT16 AcpiGbl_LoHistory = 0; +static UINT16 AcpiGbl_NumHistory = 0; +static UINT16 AcpiGbl_NextHistoryIndex = 0; +static UINT32 AcpiGbl_NextCmdNum = 1; + + +/******************************************************************************* + * + * FUNCTION: AcpiDbAddToHistory + * + * PARAMETERS: CommandLine - Command to add + * + * RETURN: None + * + * DESCRIPTION: Add a command line to the history buffer. + * + ******************************************************************************/ + +void +AcpiDbAddToHistory ( + char *CommandLine) +{ + + /* Put command into the next available slot */ + + ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command, + CommandLine); + + AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum; + + /* Adjust indexes */ + + if ((AcpiGbl_NumHistory == HISTORY_SIZE) && + (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory)) + { + AcpiGbl_LoHistory++; + if (AcpiGbl_LoHistory >= HISTORY_SIZE) + { + AcpiGbl_LoHistory = 0; + } + } + + AcpiGbl_NextHistoryIndex++; + if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE) + { + AcpiGbl_NextHistoryIndex = 0; + } + + AcpiGbl_NextCmdNum++; + if (AcpiGbl_NumHistory < HISTORY_SIZE) + { + AcpiGbl_NumHistory++; + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbDisplayHistory + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Display the contents of the history buffer + * + ******************************************************************************/ + +void +AcpiDbDisplayHistory ( + void) +{ + UINT32 i; + UINT16 HistoryIndex; + + + HistoryIndex = AcpiGbl_LoHistory; + + /* Dump entire history buffer */ + + for (i = 0; i < AcpiGbl_NumHistory; i++) + { + AcpiOsPrintf ("%ld %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum, + AcpiGbl_HistoryBuffer[HistoryIndex].Command); + + HistoryIndex++; + if (HistoryIndex >= HISTORY_SIZE) + { + HistoryIndex = 0; + } + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDbGetFromHistory + * + * PARAMETERS: CommandNumArg - String containing the number of the + * command to be retrieved + * + * RETURN: Pointer to the retrieved command. Null on error. + * + * DESCRIPTION: Get a command from the history buffer + * + ******************************************************************************/ + +char * +AcpiDbGetFromHistory ( + char *CommandNumArg) +{ + UINT32 i; + UINT16 HistoryIndex; + UINT32 CmdNum; + + + if (CommandNumArg == NULL) + { + CmdNum = AcpiGbl_NextCmdNum - 1; + } + + else + { + CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0); + } + + /* Search history buffer */ + + HistoryIndex = AcpiGbl_LoHistory; + for (i = 0; i < AcpiGbl_NumHistory; i++) + { + if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum) + { + /* Found the commnad, return it */ + + return (AcpiGbl_HistoryBuffer[HistoryIndex].Command); + } + + + HistoryIndex++; + if (HistoryIndex >= HISTORY_SIZE) + { + HistoryIndex = 0; + } + } + + AcpiOsPrintf ("Invalid history number: %u\n", HistoryIndex); + return (NULL); +} + +#endif /* ACPI_DEBUGGER */ + |
