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/******************************************************************************
*
* Module Name: tbprint - Table output utilities
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2015, 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/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;
if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_FACS))
{
/* FACS only has signature and length fields */
ACPI_INFO ((AE_INFO, "%-4.4s 0x%8.8X%8.8X %06X",
Header->Signature, ACPI_FORMAT_UINT64 (Address),
Header->Length));
}
else if (ACPI_VALIDATE_RSDP_SIG (Header->Signature))
{
/* 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 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
ACPI_FORMAT_UINT64 (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 0x%8.8X%8.8X"
" %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
LocalHeader.Signature, ACPI_FORMAT_UINT64 (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;
/*
* FACS/S3PT:
* They are the odd tables, have no standard ACPI header and no checksum
*/
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_S3PT) ||
ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_FACS))
{
return (AE_OK);
}
/* 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);
}
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