|
|
@@ -0,0 +1,237 @@
|
|
|
+/******************************************************************************
|
|
|
+ *
|
|
|
+ * 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);
|
|
|
+}
|
Bob Moore