--- /dev/null
+/******************************************************************************
+ *
+ * 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.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "actables.h"
+
+#define _COMPONENT ACPI_TABLES
+ACPI_MODULE_NAME("tbprint")
+
+/* Local prototypes */
+static void acpi_tb_fix_string(char *string, acpi_size length);
+
+static void
+acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
+ struct acpi_table_header *header);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_fix_string
+ *
+ * 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 acpi_tb_fix_string(char *string, acpi_size length)
+{
+
+ while (length && *string) {
+ if (!ACPI_IS_PRINT(*string)) {
+ *string = '?';
+ }
+ string++;
+ length--;
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_cleanup_table_header
+ *
+ * PARAMETERS: out_header - Where the cleaned header is returned
+ * header - Input ACPI table header
+ *
+ * RETURN: Returns the cleaned header in out_header
+ *
+ * DESCRIPTION: Copy the table header and ensure that all "string" fields in
+ * the header consist of printable characters.
+ *
+ ******************************************************************************/
+
+static void
+acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
+ struct acpi_table_header *header)
+{
+
+ ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
+
+ acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
+ acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
+ acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
+ acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_print_table_header
+ *
+ * PARAMETERS: address - Table physical address
+ * header - Table header
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
+ *
+ ******************************************************************************/
+
+void
+acpi_tb_print_table_header(acpi_physical_address address,
+ struct acpi_table_header *header)
+{
+ struct acpi_table_header local_header;
+
+ /*
+ * 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(local_header.oem_id,
+ ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->oem_id, ACPI_OEM_ID_SIZE);
+ acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
+
+ ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
+ ACPI_CAST_PTR(void, address),
+ (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
+ revision >
+ 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->length : 20,
+ ACPI_CAST_PTR(struct acpi_table_rsdp,
+ header)->revision,
+ local_header.oem_id));
+ } else {
+ /* Standard ACPI table with full common header */
+
+ acpi_tb_cleanup_table_header(&local_header, header);
+
+ ACPI_INFO((AE_INFO,
+ "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
+ local_header.signature, ACPI_CAST_PTR(void, address),
+ local_header.length, local_header.revision,
+ local_header.oem_id, local_header.oem_table_id,
+ local_header.oem_revision,
+ local_header.asl_compiler_id,
+ local_header.asl_compiler_revision));
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_validate_checksum
+ *
+ * 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 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
+{
+ u8 checksum;
+
+ /* Compute the checksum on the table */
+
+ checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, 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,
+ (u8)(table->checksum - checksum)));
+
+#if (ACPI_CHECKSUM_ABORT)
+ return (AE_BAD_CHECKSUM);
+#endif
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_checksum
+ *
+ * PARAMETERS: buffer - Pointer to memory region to be checked
+ * length - Length of this memory region
+ *
+ * RETURN: Checksum (u8)
+ *
+ * DESCRIPTION: Calculates circular checksum of memory region.
+ *
+ ******************************************************************************/
+
+u8 acpi_tb_checksum(u8 *buffer, u32 length)
+{
+ u8 sum = 0;
+ u8 *end = buffer + length;
+
+ while (buffer < end) {
+ sum = (u8)(sum + *(buffer++));
+ }
+
+ return (sum);
+}
/******************************************************************************
*
- * Module Name: tbutils - table utilities
+ * Module Name: tbutils - ACPI Table utilities
*
*****************************************************************************/
ACPI_MODULE_NAME("tbutils")
/* Local prototypes */
-static void acpi_tb_fix_string(char *string, acpi_size length);
-
-static void
-acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
- struct acpi_table_header *header);
-
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
return (FALSE);
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_fix_string
- *
- * 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 acpi_tb_fix_string(char *string, acpi_size length)
-{
-
- while (length && *string) {
- if (!ACPI_IS_PRINT(*string)) {
- *string = '?';
- }
- string++;
- length--;
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_cleanup_table_header
- *
- * PARAMETERS: out_header - Where the cleaned header is returned
- * header - Input ACPI table header
- *
- * RETURN: Returns the cleaned header in out_header
- *
- * DESCRIPTION: Copy the table header and ensure that all "string" fields in
- * the header consist of printable characters.
- *
- ******************************************************************************/
-
-static void
-acpi_tb_cleanup_table_header(struct acpi_table_header *out_header,
- struct acpi_table_header *header)
-{
-
- ACPI_MEMCPY(out_header, header, sizeof(struct acpi_table_header));
-
- acpi_tb_fix_string(out_header->signature, ACPI_NAME_SIZE);
- acpi_tb_fix_string(out_header->oem_id, ACPI_OEM_ID_SIZE);
- acpi_tb_fix_string(out_header->oem_table_id, ACPI_OEM_TABLE_ID_SIZE);
- acpi_tb_fix_string(out_header->asl_compiler_id, ACPI_NAME_SIZE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_print_table_header
- *
- * PARAMETERS: address - Table physical address
- * header - Table header
- *
- * RETURN: None
- *
- * DESCRIPTION: Print an ACPI table header. Special cases for FACS and RSDP.
- *
- ******************************************************************************/
-
-void
-acpi_tb_print_table_header(acpi_physical_address address,
- struct acpi_table_header *header)
-{
- struct acpi_table_header local_header;
-
- /*
- * 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(local_header.oem_id,
- ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->oem_id, ACPI_OEM_ID_SIZE);
- acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
-
- ACPI_INFO((AE_INFO, "RSDP %p %05X (v%.2d %6.6s)",
- ACPI_CAST_PTR (void, address),
- (ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
- revision >
- 0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->length : 20,
- ACPI_CAST_PTR(struct acpi_table_rsdp,
- header)->revision,
- local_header.oem_id));
- } else {
- /* Standard ACPI table with full common header */
-
- acpi_tb_cleanup_table_header(&local_header, header);
-
- ACPI_INFO((AE_INFO,
- "%4.4s %p %05X (v%.2d %6.6s %8.8s %08X %4.4s %08X)",
- local_header.signature, ACPI_CAST_PTR(void, address),
- local_header.length, local_header.revision,
- local_header.oem_id, local_header.oem_table_id,
- local_header.oem_revision,
- local_header.asl_compiler_id,
- local_header.asl_compiler_revision));
-
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_validate_checksum
- *
- * 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 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
-{
- u8 checksum;
-
- /* Compute the checksum on the table */
-
- checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, 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,
- (u8)(table->checksum - checksum)));
-
-#if (ACPI_CHECKSUM_ABORT)
-
- return (AE_BAD_CHECKSUM);
-#endif
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_checksum
- *
- * PARAMETERS: buffer - Pointer to memory region to be checked
- * length - Length of this memory region
- *
- * RETURN: Checksum (u8)
- *
- * DESCRIPTION: Calculates circular checksum of memory region.
- *
- ******************************************************************************/
-
-u8 acpi_tb_checksum(u8 *buffer, u32 length)
-{
- u8 sum = 0;
- u8 *end = buffer + length;
-
- while (buffer < end) {
- sum = (u8) (sum + *(buffer++));
- }
-
- return (sum);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_check_dsdt_header
projects / firefly-linux-kernel-4.4.55.git / commitdiff