139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/******************************************************************************
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*
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* Module Name: tbprint - Table output utilities
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*
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* Copyright (C) 2000 - 2022, Intel Corp.
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*
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*****************************************************************************/
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "actables.h"
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#include "acutils.h"
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#define _COMPONENT ACPI_TABLES
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ACPI_MODULE_NAME("tbprint")
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/* Local prototypes */
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static void acpi_tb_fix_string(char *string, acpi_size length);
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static void
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acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
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struct acpi_table_header *header);
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/*******************************************************************************
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*
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* FUNCTION: acpi_tb_fix_string
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*
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* PARAMETERS: string - String to be repaired
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* length - Maximum length
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*
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* RETURN: None
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*
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* DESCRIPTION: Replace every non-printable or non-ascii byte in the string
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* with a question mark '?'.
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*
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******************************************************************************/
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static void acpi_tb_fix_string(char *string, acpi_size length)
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{
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while (length && *string) {
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if (!isprint((int)(u8)*string)) {
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*string = '?';
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}
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string++;
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length--;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_tb_cleanup_table_header
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*
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* PARAMETERS: out_header - Where the cleaned header is returned
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* header - Input ACPI table header
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*
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* RETURN: Returns the cleaned header in out_header
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*
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* DESCRIPTION: Copy the table header and ensure that all "string" fields in
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* the header consist of printable characters.
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*
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******************************************************************************/
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static void
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acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
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struct acpi_table_header *header)
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{
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memcpy(out_header, header, sizeof(struct acpi_table_header));
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acpi_tb_fix_string(out_header->signature, ACPI_NAMESEG_SIZE);
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acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
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acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
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acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAMESEG_SIZE);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_tb_print_table_header
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*
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* PARAMETERS: address - Table physical address
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* header - Table header
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*
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* RETURN: None
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*
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* DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
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*
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******************************************************************************/
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void
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acpi_tb_print_table_header(acpi_physical_address address,
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struct acpi_table_header *header)
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{
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struct acpi_table_header local_header;
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if (ACPI_COMPARE_NAMESEG(header->signature, ACPI_SIG_FACS)) {
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/* FACS only has signature and length fields */
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ACPI_INFO(("%-4.4s 0x%8.8X%8.8X %06X",
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header->signature, ACPI_FORMAT_UINT64(address),
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header->length));
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} else if (ACPI_VALIDATE_RSDP_SIG(ACPI_CAST_PTR(struct acpi_table_rsdp,
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header)->signature)) {
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/* RSDP has no common fields */
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memcpy(local_header.oem_id,
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ACPI_CAST_PTR(struct acpi_table_rsdp, header)->oem_id,
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ACPI_OEM_ID_SIZE);
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acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
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ACPI_INFO(("RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
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ACPI_FORMAT_UINT64(address),
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(ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
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revision >
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0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
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header)->length : 20,
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ACPI_CAST_PTR(struct acpi_table_rsdp,
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header)->revision,
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local_header.oem_id));
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} else {
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/* Standard ACPI table with full common header */
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acpi_tb_cleanup_table_header(&local_header, header);
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ACPI_INFO(("%-4.4s 0x%8.8X%8.8X"
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" %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
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local_header.signature, ACPI_FORMAT_UINT64(address),
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local_header.length, local_header.revision,
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local_header.oem_id, local_header.oem_table_id,
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local_header.oem_revision,
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local_header.asl_compiler_id,
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local_header.asl_compiler_revision));
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}
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}
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