195857638SErik Schmauss // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
242f47869SBob Moore /******************************************************************************
342f47869SBob Moore *
442f47869SBob Moore * Module Name: tbprint - Table output utilities
542f47869SBob Moore *
6*612c2932SBob Moore * Copyright (C) 2000 - 2023, Intel Corp.
742f47869SBob Moore *
895857638SErik Schmauss *****************************************************************************/
942f47869SBob Moore
1042f47869SBob Moore #include <acpi/acpi.h>
1142f47869SBob Moore #include "accommon.h"
1242f47869SBob Moore #include "actables.h"
1351aad1a6SBob Moore #include "acutils.h"
1442f47869SBob Moore
1542f47869SBob Moore #define _COMPONENT ACPI_TABLES
1642f47869SBob Moore ACPI_MODULE_NAME("tbprint")
1742f47869SBob Moore
1842f47869SBob Moore /* Local prototypes */
1942f47869SBob Moore static void acpi_tb_fix_string(char *string, acpi_size length);
2042f47869SBob Moore
2142f47869SBob Moore static void
2242f47869SBob Moore acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
2342f47869SBob Moore struct acpi_table_header *header);
2442f47869SBob Moore
2542f47869SBob Moore /*******************************************************************************
2642f47869SBob Moore *
2742f47869SBob Moore * FUNCTION: acpi_tb_fix_string
2842f47869SBob Moore *
2942f47869SBob Moore * PARAMETERS: string - String to be repaired
3042f47869SBob Moore * length - Maximum length
3142f47869SBob Moore *
3242f47869SBob Moore * RETURN: None
3342f47869SBob Moore *
3442f47869SBob Moore * DESCRIPTION: Replace every non-printable or non-ascii byte in the string
3542f47869SBob Moore * with a question mark '?'.
3642f47869SBob Moore *
3742f47869SBob Moore ******************************************************************************/
3842f47869SBob Moore
acpi_tb_fix_string(char * string,acpi_size length)3942f47869SBob Moore static void acpi_tb_fix_string(char *string, acpi_size length)
4042f47869SBob Moore {
4142f47869SBob Moore
4242f47869SBob Moore while (length && *string) {
4351aad1a6SBob Moore if (!isprint((int)(u8)*string)) {
4442f47869SBob Moore *string = '?';
4542f47869SBob Moore }
461fad8738SBob Moore
4742f47869SBob Moore string++;
4842f47869SBob Moore length--;
4942f47869SBob Moore }
5042f47869SBob Moore }
5142f47869SBob Moore
5242f47869SBob Moore /*******************************************************************************
5342f47869SBob Moore *
5442f47869SBob Moore * FUNCTION: acpi_tb_cleanup_table_header
5542f47869SBob Moore *
5642f47869SBob Moore * PARAMETERS: out_header - Where the cleaned header is returned
5742f47869SBob Moore * header - Input ACPI table header
5842f47869SBob Moore *
5942f47869SBob Moore * RETURN: Returns the cleaned header in out_header
6042f47869SBob Moore *
6142f47869SBob Moore * DESCRIPTION: Copy the table header and ensure that all "string" fields in
6242f47869SBob Moore * the header consist of printable characters.
6342f47869SBob Moore *
6442f47869SBob Moore ******************************************************************************/
6542f47869SBob Moore
6642f47869SBob Moore static void
acpi_tb_cleanup_table_header(struct acpi_table_header * out_header,struct acpi_table_header * header)6742f47869SBob Moore acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
6842f47869SBob Moore struct acpi_table_header *header)
6942f47869SBob Moore {
7042f47869SBob Moore
714fa4616eSBob Moore memcpy(out_header, header, sizeof(struct acpi_table_header));
7242f47869SBob Moore
7332786755SBob Moore acpi_tb_fix_string(out_header->signature, ACPI_NAMESEG_SIZE);
7442f47869SBob Moore acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
7542f47869SBob Moore acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
7632786755SBob Moore acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAMESEG_SIZE);
7742f47869SBob Moore }
7842f47869SBob Moore
7942f47869SBob Moore /*******************************************************************************
8042f47869SBob Moore *
8142f47869SBob Moore * FUNCTION: acpi_tb_print_table_header
8242f47869SBob Moore *
8342f47869SBob Moore * PARAMETERS: address - Table physical address
8442f47869SBob Moore * header - Table header
8542f47869SBob Moore *
8642f47869SBob Moore * RETURN: None
8742f47869SBob Moore *
8842f47869SBob Moore * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
8942f47869SBob Moore *
9042f47869SBob Moore ******************************************************************************/
9142f47869SBob Moore
9242f47869SBob Moore void
acpi_tb_print_table_header(acpi_physical_address address,struct acpi_table_header * header)9342f47869SBob Moore acpi_tb_print_table_header(acpi_physical_address address,
9442f47869SBob Moore struct acpi_table_header *header)
9542f47869SBob Moore {
9642f47869SBob Moore struct acpi_table_header local_header;
9742f47869SBob Moore
985599fb69SBob Moore if (ACPI_COMPARE_NAMESEG(header->signature, ACPI_SIG_FACS)) {
9942f47869SBob Moore
10042f47869SBob Moore /* FACS only has signature and length fields */
10142f47869SBob Moore
10205fb04b5SBob Moore ACPI_INFO(("%-4.4s 0x%8.8X%8.8X %06X",
1031d0a0b2fSLv Zheng header->signature, ACPI_FORMAT_UINT64(address),
10442f47869SBob Moore header->length));
105a3e525feSJessica Clarke } else if (ACPI_VALIDATE_RSDP_SIG(ACPI_CAST_PTR(struct acpi_table_rsdp,
106a3e525feSJessica Clarke header)->signature)) {
10742f47869SBob Moore
10842f47869SBob Moore /* RSDP has no common fields */
10942f47869SBob Moore
1104fa4616eSBob Moore memcpy(local_header.oem_id,
1114fa4616eSBob Moore ACPI_CAST_PTR(struct acpi_table_rsdp, header)->oem_id,
1124fa4616eSBob Moore ACPI_OEM_ID_SIZE);
11342f47869SBob Moore acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
11442f47869SBob Moore
11505fb04b5SBob Moore ACPI_INFO(("RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
1161d0a0b2fSLv Zheng ACPI_FORMAT_UINT64(address),
11742f47869SBob Moore (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
11842f47869SBob Moore revision >
11942f47869SBob Moore 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
12042f47869SBob Moore header)->length : 20,
12142f47869SBob Moore ACPI_CAST_PTR(struct acpi_table_rsdp,
12242f47869SBob Moore header)->revision,
12342f47869SBob Moore local_header.oem_id));
12442f47869SBob Moore } else {
12542f47869SBob Moore /* Standard ACPI table with full common header */
12642f47869SBob Moore
12742f47869SBob Moore acpi_tb_cleanup_table_header(&local_header, header);
12842f47869SBob Moore
12905fb04b5SBob Moore ACPI_INFO(("%-4.4s 0x%8.8X%8.8X"
130c03775c0SBob Moore " %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
1311d0a0b2fSLv Zheng local_header.signature, ACPI_FORMAT_UINT64(address),
13242f47869SBob Moore local_header.length, local_header.revision,
13342f47869SBob Moore local_header.oem_id, local_header.oem_table_id,
13442f47869SBob Moore local_header.oem_revision,
13542f47869SBob Moore local_header.asl_compiler_id,
13642f47869SBob Moore local_header.asl_compiler_revision));
13742f47869SBob Moore }
13842f47869SBob Moore }
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