*****************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
-
#define _COMPONENT ACPI_TABLES
- ACPI_MODULE_NAME ("tbget")
+ACPI_MODULE_NAME("tbget")
/* Local prototypes */
-
static acpi_status
-acpi_tb_get_this_table (
- struct acpi_pointer *address,
- struct acpi_table_header *header,
- struct acpi_table_desc *table_info);
+acpi_tb_get_this_table(struct acpi_pointer *address,
+ struct acpi_table_header *header,
+ struct acpi_table_desc *table_info);
static acpi_status
-acpi_tb_table_override (
- struct acpi_table_header *header,
- struct acpi_table_desc *table_info);
-
+acpi_tb_table_override(struct acpi_table_header *header,
+ struct acpi_table_desc *table_info);
/*******************************************************************************
*
******************************************************************************/
acpi_status
-acpi_tb_get_table (
- struct acpi_pointer *address,
- struct acpi_table_desc *table_info)
+acpi_tb_get_table(struct acpi_pointer *address,
+ struct acpi_table_desc *table_info)
{
- acpi_status status;
- struct acpi_table_header header;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_table");
+ acpi_status status;
+ struct acpi_table_header header;
+ ACPI_FUNCTION_TRACE(tb_get_table);
/* Get the header in order to get signature and table size */
- status = acpi_tb_get_table_header (address, &header);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_table_header(address, &header);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Get the entire table */
- status = acpi_tb_get_table_body (address, &header, table_info);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not get ACPI table (size %X), %s\n",
- header.length, acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_table_body(address, &header, table_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not get ACPI table (size %X)",
+ header.length));
+ return_ACPI_STATUS(status);
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_table_header
******************************************************************************/
acpi_status
-acpi_tb_get_table_header (
- struct acpi_pointer *address,
- struct acpi_table_header *return_header)
+acpi_tb_get_table_header(struct acpi_pointer *address,
+ struct acpi_table_header *return_header)
{
- acpi_status status = AE_OK;
- struct acpi_table_header *header = NULL;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_table_header");
+ acpi_status status = AE_OK;
+ struct acpi_table_header *header = NULL;
+ ACPI_FUNCTION_TRACE(tb_get_table_header);
/*
* Flags contains the current processor mode (Virtual or Physical
/* Pointer matches processor mode, copy the header */
- ACPI_MEMCPY (return_header, address->pointer.logical,
- sizeof (struct acpi_table_header));
+ ACPI_MEMCPY(return_header, address->pointer.logical,
+ sizeof(struct acpi_table_header));
break;
-
case ACPI_LOGMODE_PHYSPTR:
- /* Create a logical address for the physical pointer*/
-
- status = acpi_os_map_memory (address->pointer.physical,
- sizeof (struct acpi_table_header), (void *) &header);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Could not map memory at %8.8X%8.8X for length %X\n",
- ACPI_FORMAT_UINT64 (address->pointer.physical),
- sizeof (struct acpi_table_header)));
- return_ACPI_STATUS (status);
+ /* Create a logical address for the physical pointer */
+
+ status = acpi_os_map_memory(address->pointer.physical,
+ sizeof(struct acpi_table_header),
+ (void *)&header);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not map memory at %8.8X%8.8X for table header",
+ ACPI_FORMAT_UINT64(address->pointer.
+ physical)));
+ return_ACPI_STATUS(status);
}
/* Copy header and delete mapping */
- ACPI_MEMCPY (return_header, header, sizeof (struct acpi_table_header));
- acpi_os_unmap_memory (header, sizeof (struct acpi_table_header));
+ ACPI_MEMCPY(return_header, header,
+ sizeof(struct acpi_table_header));
+ acpi_os_unmap_memory(header, sizeof(struct acpi_table_header));
break;
-
default:
- ACPI_REPORT_ERROR (("Invalid address flags %X\n",
- address->pointer_type));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_ERROR((AE_INFO, "Invalid address flags %X",
+ address->pointer_type));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n",
- return_header->signature));
+ ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n",
+ return_header->signature));
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_table_body
******************************************************************************/
acpi_status
-acpi_tb_get_table_body (
- struct acpi_pointer *address,
- struct acpi_table_header *header,
- struct acpi_table_desc *table_info)
+acpi_tb_get_table_body(struct acpi_pointer *address,
+ struct acpi_table_header *header,
+ struct acpi_table_desc *table_info)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_table_body");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(tb_get_table_body);
if (!table_info || !address) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Attempt table override. */
- status = acpi_tb_table_override (header, table_info);
- if (ACPI_SUCCESS (status)) {
+ status = acpi_tb_table_override(header, table_info);
+ if (ACPI_SUCCESS(status)) {
+
/* Table was overridden by the host OS */
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/* No override, get the original table */
- status = acpi_tb_get_this_table (address, header, table_info);
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_this_table(address, header, table_info);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_table_override
******************************************************************************/
static acpi_status
-acpi_tb_table_override (
- struct acpi_table_header *header,
- struct acpi_table_desc *table_info)
+acpi_tb_table_override(struct acpi_table_header *header,
+ struct acpi_table_desc *table_info)
{
- struct acpi_table_header *new_table;
- acpi_status status;
- struct acpi_pointer address;
-
-
- ACPI_FUNCTION_TRACE ("tb_table_override");
+ struct acpi_table_header *new_table;
+ acpi_status status;
+ struct acpi_pointer address;
+ ACPI_FUNCTION_TRACE(tb_table_override);
/*
* The OSL will examine the header and decide whether to override this
* table. If it decides to override, a table will be returned in new_table,
* which we will then copy.
*/
- status = acpi_os_table_override (header, &new_table);
- if (ACPI_FAILURE (status)) {
+ status = acpi_os_table_override(header, &new_table);
+ if (ACPI_FAILURE(status)) {
+
/* Some severe error from the OSL, but we basically ignore it */
- ACPI_REPORT_ERROR (("Could not override ACPI table, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not override ACPI table"));
+ return_ACPI_STATUS(status);
}
if (!new_table) {
+
/* No table override */
- return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+ return_ACPI_STATUS(AE_NO_ACPI_TABLES);
}
/*
* We have a new table to override the old one. Get a copy of
* the new one. We know that the new table has a logical pointer.
*/
- address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
+ address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
address.pointer.logical = new_table;
- status = acpi_tb_get_this_table (&address, new_table, table_info);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("Could not copy override ACPI table, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_this_table(&address, new_table, table_info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "Could not copy ACPI table"));
+ return_ACPI_STATUS(status);
}
/* Copy the table info */
- ACPI_REPORT_INFO (("Table [%4.4s] replaced by host OS\n",
- table_info->pointer->signature));
+ ACPI_INFO((AE_INFO, "Table [%4.4s] replaced by host OS",
+ table_info->pointer->signature));
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_this_table
******************************************************************************/
static acpi_status
-acpi_tb_get_this_table (
- struct acpi_pointer *address,
- struct acpi_table_header *header,
- struct acpi_table_desc *table_info)
+acpi_tb_get_this_table(struct acpi_pointer *address,
+ struct acpi_table_header *header,
+ struct acpi_table_desc *table_info)
{
- struct acpi_table_header *full_table = NULL;
- u8 allocation;
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_this_table");
+ struct acpi_table_header *full_table = NULL;
+ u8 allocation;
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE(tb_get_this_table);
/*
* Flags contains the current processor mode (Virtual or Physical
/* Pointer matches processor mode, copy the table to a new buffer */
- full_table = ACPI_MEM_ALLOCATE (header->length);
+ full_table = ACPI_ALLOCATE(header->length);
if (!full_table) {
- ACPI_REPORT_ERROR ((
- "Could not allocate table memory for [%4.4s] length %X\n",
- header->signature, header->length));
- return_ACPI_STATUS (AE_NO_MEMORY);
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate table memory for [%4.4s] length %X",
+ header->signature, header->length));
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Copy the entire table (including header) to the local buffer */
- ACPI_MEMCPY (full_table, address->pointer.logical, header->length);
+ ACPI_MEMCPY(full_table, address->pointer.logical,
+ header->length);
/* Save allocation type */
allocation = ACPI_MEM_ALLOCATED;
break;
-
case ACPI_LOGMODE_PHYSPTR:
/*
* Just map the table's physical memory
* into our address space.
*/
- status = acpi_os_map_memory (address->pointer.physical,
- (acpi_size) header->length, (void *) &full_table);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n",
- header->signature,
- ACPI_FORMAT_UINT64 (address->pointer.physical),
- header->length));
+ status = acpi_os_map_memory(address->pointer.physical,
+ (acpi_size) header->length,
+ (void *)&full_table);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO,
+ "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X",
+ header->signature,
+ ACPI_FORMAT_UINT64(address->pointer.
+ physical),
+ header->length));
return (status);
}
allocation = ACPI_MEM_MAPPED;
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid address flags %X\n",
- address->pointer_type));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_ERROR((AE_INFO, "Invalid address flags %X",
+ address->pointer_type));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/*
* Validate checksum for _most_ tables,
* even the ones whose signature we don't recognize
*/
- if (table_info->type != ACPI_TABLE_FACS) {
- status = acpi_tb_verify_table_checksum (full_table);
+ if (table_info->type != ACPI_TABLE_ID_FACS) {
+ status = acpi_tb_verify_table_checksum(full_table);
#if (!ACPI_CHECKSUM_ABORT)
- if (ACPI_FAILURE (status)) {
+ if (ACPI_FAILURE(status)) {
+
/* Ignore the error if configuration says so */
status = AE_OK;
/* Return values */
- table_info->pointer = full_table;
- table_info->length = (acpi_size) header->length;
- table_info->allocation = allocation;
+ table_info->pointer = full_table;
+ table_info->length = (acpi_size) header->length;
+ table_info->allocation = allocation;
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
- "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n",
- full_table->signature,
- ACPI_FORMAT_UINT64 (address->pointer.physical), full_table));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n",
+ full_table->signature,
+ ACPI_FORMAT_UINT64(address->pointer.physical),
+ full_table));
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_table_ptr
*
* PARAMETERS: table_type - one of the defined table types
* Instance - Which table of this type
- * table_ptr_loc - pointer to location to place the pointer for
+ * return_table - pointer to location to place the pointer for
* return
*
* RETURN: Status
******************************************************************************/
acpi_status
-acpi_tb_get_table_ptr (
- acpi_table_type table_type,
- u32 instance,
- struct acpi_table_header **table_ptr_loc)
+acpi_tb_get_table_ptr(acpi_table_type table_type,
+ u32 instance, struct acpi_table_header **return_table)
{
- struct acpi_table_desc *table_desc;
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("tb_get_table_ptr");
-
+ struct acpi_table_desc *table_desc;
+ u32 i;
- if (!acpi_gbl_DSDT) {
- return_ACPI_STATUS (AE_NO_ACPI_TABLES);
- }
-
- if (table_type > ACPI_TABLE_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /*
- * For all table types (Single/Multiple), the first
- * instance is always in the list head.
- */
- if (instance == 1) {
- /* Get the first */
+ ACPI_FUNCTION_TRACE(tb_get_table_ptr);
- *table_ptr_loc = NULL;
- if (acpi_gbl_table_lists[table_type].next) {
- *table_ptr_loc = acpi_gbl_table_lists[table_type].next->pointer;
- }
- return_ACPI_STATUS (AE_OK);
+ if (table_type > ACPI_TABLE_ID_MAX) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Check for instance out of range */
+ /* Check for instance out of range of the current table count */
if (instance > acpi_gbl_table_lists[table_type].count) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
- /* Walk the list to get the desired table
- * Since the if (Instance == 1) check above checked for the
- * first table, setting table_desc equal to the .Next member
- * is actually pointing to the second table. Therefore, we
- * need to walk from the 2nd table until we reach the Instance
- * that the user is looking for and return its table pointer.
+ /*
+ * Walk the list to get the desired table
+ * Note: Instance is one-based
*/
table_desc = acpi_gbl_table_lists[table_type].next;
- for (i = 2; i < instance; i++) {
+ for (i = 1; i < instance; i++) {
table_desc = table_desc->next;
}
/* We are now pointing to the requested table's descriptor */
- *table_ptr_loc = table_desc->pointer;
-
- return_ACPI_STATUS (AE_OK);
+ *return_table = table_desc->pointer;
+ return_ACPI_STATUS(AE_OK);
}
-
git.openpandora.org / pandora-kernel.git / blobdiff