diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/tables/tbprint.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/tables/tbprint.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/tables/tbprint.c b/sys/contrib/dev/acpica/components/tables/tbprint.c new file mode 100644 index 0000000..6c83bf3 --- /dev/null +++ b/sys/contrib/dev/acpica/components/tables/tbprint.c @@ -0,0 +1,265 @@ +/****************************************************************************** + * + * Module Name: tbprint - Table output utilities + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2013, 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. + */ + +#define __TBPRINT_C__ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/actables.h> + +#define _COMPONENT ACPI_TABLES + ACPI_MODULE_NAME ("tbprint") + + +/* Local prototypes */ + +static void +AcpiTbFixString ( + char *String, + ACPI_SIZE Length); + +static void +AcpiTbCleanupTableHeader ( + ACPI_TABLE_HEADER *OutHeader, + ACPI_TABLE_HEADER *Header); + + +/******************************************************************************* + * + * FUNCTION: AcpiTbFixString + * + * PARAMETERS: String - String to be repaired + * Length - Maximum length + * + * RETURN: None + * + * DESCRIPTION: Replace every non-printable or non-ascii byte in the string + * with a question mark '?'. + * + ******************************************************************************/ + +static void +AcpiTbFixString ( + char *String, + ACPI_SIZE Length) +{ + + while (Length && *String) + { + if (!ACPI_IS_PRINT (*String)) + { + *String = '?'; + } + String++; + Length--; + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbCleanupTableHeader + * + * PARAMETERS: OutHeader - Where the cleaned header is returned + * Header - Input ACPI table header + * + * RETURN: Returns the cleaned header in OutHeader + * + * DESCRIPTION: Copy the table header and ensure that all "string" fields in + * the header consist of printable characters. + * + ******************************************************************************/ + +static void +AcpiTbCleanupTableHeader ( + ACPI_TABLE_HEADER *OutHeader, + ACPI_TABLE_HEADER *Header) +{ + + ACPI_MEMCPY (OutHeader, Header, sizeof (ACPI_TABLE_HEADER)); + + AcpiTbFixString (OutHeader->Signature, ACPI_NAME_SIZE); + AcpiTbFixString (OutHeader->OemId, ACPI_OEM_ID_SIZE); + AcpiTbFixString (OutHeader->OemTableId, ACPI_OEM_TABLE_ID_SIZE); + AcpiTbFixString (OutHeader->AslCompilerId, ACPI_NAME_SIZE); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbPrintTableHeader + * + * PARAMETERS: Address - Table physical address + * Header - Table header + * + * RETURN: None + * + * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP. + * + ******************************************************************************/ + +void +AcpiTbPrintTableHeader ( + ACPI_PHYSICAL_ADDRESS Address, + ACPI_TABLE_HEADER *Header) +{ + ACPI_TABLE_HEADER LocalHeader; + + + /* + * The reason that the Address is cast to a void pointer is so that we + * can use %p which will work properly on both 32-bit and 64-bit hosts. + */ + if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_FACS)) + { + /* FACS only has signature and length fields */ + + ACPI_INFO ((AE_INFO, "%4.4s %p %05X", + Header->Signature, ACPI_CAST_PTR (void, Address), + Header->Length)); + } + else if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_RSDP)) + { + /* RSDP has no common fields */ + + ACPI_MEMCPY (LocalHeader.OemId, + ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->OemId, ACPI_OEM_ID_SIZE); + AcpiTbFixString (LocalHeader.OemId, ACPI_OEM_ID_SIZE); + + ACPI_INFO ((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)", + ACPI_CAST_PTR (void, Address), + (ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ? + ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20, + ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision, + LocalHeader.OemId)); + } + else + { + /* Standard ACPI table with full common header */ + + AcpiTbCleanupTableHeader (&LocalHeader, Header); + + ACPI_INFO ((AE_INFO, + "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)", + LocalHeader.Signature, ACPI_CAST_PTR (void, Address), + LocalHeader.Length, LocalHeader.Revision, LocalHeader.OemId, + LocalHeader.OemTableId, LocalHeader.OemRevision, + LocalHeader.AslCompilerId, LocalHeader.AslCompilerRevision)); + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbValidateChecksum + * + * PARAMETERS: Table - ACPI table to verify + * Length - Length of entire table + * + * RETURN: Status + * + * DESCRIPTION: Verifies that the table checksums to zero. Optionally returns + * exception on bad checksum. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTbVerifyChecksum ( + ACPI_TABLE_HEADER *Table, + UINT32 Length) +{ + UINT8 Checksum; + + + /* Compute the checksum on the table */ + + Checksum = AcpiTbChecksum (ACPI_CAST_PTR (UINT8, Table), Length); + + /* Checksum ok? (should be zero) */ + + if (Checksum) + { + ACPI_BIOS_WARNING ((AE_INFO, + "Incorrect checksum in table [%4.4s] - 0x%2.2X, " + "should be 0x%2.2X", + Table->Signature, Table->Checksum, + (UINT8) (Table->Checksum - Checksum))); + +#if (ACPI_CHECKSUM_ABORT) + return (AE_BAD_CHECKSUM); +#endif + } + + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTbChecksum + * + * PARAMETERS: Buffer - Pointer to memory region to be checked + * Length - Length of this memory region + * + * RETURN: Checksum (UINT8) + * + * DESCRIPTION: Calculates circular checksum of memory region. + * + ******************************************************************************/ + +UINT8 +AcpiTbChecksum ( + UINT8 *Buffer, + UINT32 Length) +{ + UINT8 Sum = 0; + UINT8 *End = Buffer + Length; + + + while (Buffer < End) + { + Sum = (UINT8) (Sum + *(Buffer++)); + } + + return (Sum); +} |
