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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-24 12:41:41 (GMT)
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-24 17:07:53 (GMT)
commit816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch)
tree421fa29aedff988e392f92780637553e275d37a0 /drivers/acpi/tables
parent70ac4385a13f78bc478f26d317511893741b05bd (diff)
parentd384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff)
downloadlinux-fsl-qoriq-816724e65c72a90a44fbad0ef0b59b186c85fa90.tar.xz
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts: fs/nfs/inode.c fs/super.c Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch 'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'drivers/acpi/tables')
-rw-r--r--drivers/acpi/tables/tbconvrt.c46
-rw-r--r--drivers/acpi/tables/tbget.c65
-rw-r--r--drivers/acpi/tables/tbgetall.c11
-rw-r--r--drivers/acpi/tables/tbinstal.c50
-rw-r--r--drivers/acpi/tables/tbrsdt.c46
-rw-r--r--drivers/acpi/tables/tbutils.c149
-rw-r--r--drivers/acpi/tables/tbxface.c42
-rw-r--r--drivers/acpi/tables/tbxfroot.c82
8 files changed, 265 insertions, 226 deletions
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 03b37d2..d697fcb 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
@@ -56,15 +54,15 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
acpi_physical_address address);
static void
-acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
+acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
struct fadt_descriptor_rev1 *original_fadt);
static void
-acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
- struct fadt_descriptor_rev2 *original_fadt);
+acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
+ struct fadt_descriptor *original_fadt);
u8 acpi_fadt_is_v1;
-EXPORT_SYMBOL(acpi_fadt_is_v1);
+ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
/*******************************************************************************
*
@@ -122,7 +120,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
{
acpi_size table_size;
u32 i;
- XSDT_DESCRIPTOR *new_table;
+ struct xsdt_descriptor *new_table;
ACPI_FUNCTION_ENTRY();
@@ -133,7 +131,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
/* Allocate an XSDT */
- new_table = ACPI_MEM_CALLOCATE(table_size);
+ new_table = ACPI_ALLOCATE_ZEROED(table_size);
if (!new_table) {
return (AE_NO_MEMORY);
}
@@ -147,17 +145,18 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
/* Copy the table pointers */
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
+
/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
ACPI_STORE_ADDRESS(new_table->table_offset_entry[i],
(ACPI_CAST_PTR
- (struct rsdt_descriptor_rev1,
+ (struct rsdt_descriptor,
table_info->pointer))->
table_offset_entry[i]);
} else {
new_table->table_offset_entry[i] =
- (ACPI_CAST_PTR(XSDT_DESCRIPTOR,
+ (ACPI_CAST_PTR(struct xsdt_descriptor,
table_info->pointer))->
table_offset_entry[i];
}
@@ -219,7 +218,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
******************************************************************************/
static void
-acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
+acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
struct fadt_descriptor_rev1 *original_fadt)
{
@@ -365,14 +364,13 @@ acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
******************************************************************************/
static void
-acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
- struct fadt_descriptor_rev2 *original_fadt)
+acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
+ struct fadt_descriptor *original_fadt)
{
/* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
- ACPI_MEMCPY(local_fadt, original_fadt,
- sizeof(struct fadt_descriptor_rev2));
+ ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor));
/*
* "X" fields are optional extensions to the original V1.0 fields, so
@@ -491,10 +489,10 @@ acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
acpi_status acpi_tb_convert_table_fadt(void)
{
- struct fadt_descriptor_rev2 *local_fadt;
+ struct fadt_descriptor *local_fadt;
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("tb_convert_table_fadt");
+ ACPI_FUNCTION_TRACE(tb_convert_table_fadt);
/*
* acpi_gbl_FADT is valid. Validate the FADT length. The table must be
@@ -508,13 +506,14 @@ acpi_status acpi_tb_convert_table_fadt(void)
/* Allocate buffer for the ACPI 2.0(+) FADT */
- local_fadt = ACPI_MEM_CALLOCATE(sizeof(struct fadt_descriptor_rev2));
+ local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor));
if (!local_fadt) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) {
- if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev2)) {
+ if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) {
+
/* Length is too short to be a V2.0 table */
ACPI_WARNING((AE_INFO,
@@ -538,11 +537,11 @@ acpi_status acpi_tb_convert_table_fadt(void)
/* Global FADT pointer will point to the new common V2.0 FADT */
acpi_gbl_FADT = local_fadt;
- acpi_gbl_FADT->length = sizeof(FADT_DESCRIPTOR);
+ acpi_gbl_FADT->length = sizeof(struct fadt_descriptor);
/* Free the original table */
- table_desc = acpi_gbl_table_lists[ACPI_TABLE_FADT].next;
+ table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_FADT].next;
acpi_tb_delete_single_table(table_desc);
/* Install the new table */
@@ -550,7 +549,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
table_desc->pointer =
ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT);
table_desc->allocation = ACPI_MEM_ALLOCATED;
- table_desc->length = sizeof(struct fadt_descriptor_rev2);
+ table_desc->length = sizeof(struct fadt_descriptor);
/* Dump the entire FADT */
@@ -580,7 +579,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
{
- ACPI_FUNCTION_TRACE("tb_build_common_facs");
+ ACPI_FUNCTION_TRACE(tb_build_common_facs);
/* Absolute minimum length is 24, but the ACPI spec says 64 */
@@ -603,6 +602,7 @@ acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
if ((acpi_gbl_RSDP->revision < 2) ||
(acpi_gbl_FACS->length < 32) ||
(!(acpi_gbl_FACS->xfirmware_waking_vector))) {
+
/* ACPI 1.0 FACS or short table or optional X_ field is zero */
acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64,
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
index 09b4ee6..99eacce 100644
--- a/drivers/acpi/tables/tbget.c
+++ b/drivers/acpi/tables/tbget.c
@@ -78,7 +78,7 @@ acpi_tb_get_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE("tb_get_table");
+ ACPI_FUNCTION_TRACE(tb_get_table);
/* Get the header in order to get signature and table size */
@@ -124,7 +124,7 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
acpi_status status = AE_OK;
struct acpi_table_header *header = NULL;
- ACPI_FUNCTION_TRACE("tb_get_table_header");
+ ACPI_FUNCTION_TRACE(tb_get_table_header);
/*
* Flags contains the current processor mode (Virtual or Physical
@@ -148,6 +148,10 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
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);
}
@@ -198,7 +202,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
{
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_get_table_body");
+ ACPI_FUNCTION_TRACE(tb_get_table_body);
if (!table_info || !address) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -208,6 +212,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
status = acpi_tb_table_override(header, table_info);
if (ACPI_SUCCESS(status)) {
+
/* Table was overridden by the host OS */
return_ACPI_STATUS(status);
@@ -241,7 +246,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
acpi_status status;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_table_override");
+ ACPI_FUNCTION_TRACE(tb_table_override);
/*
* The OSL will examine the header and decide whether to override this
@@ -250,6 +255,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
*/
status = acpi_os_table_override(header, &new_table);
if (ACPI_FAILURE(status)) {
+
/* Some severe error from the OSL, but we basically ignore it */
ACPI_EXCEPTION((AE_INFO, status,
@@ -258,6 +264,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
}
if (!new_table) {
+
/* No table override */
return_ACPI_STATUS(AE_NO_ACPI_TABLES);
@@ -311,7 +318,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
u8 allocation;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("tb_get_this_table");
+ ACPI_FUNCTION_TRACE(tb_get_this_table);
/*
* Flags contains the current processor mode (Virtual or Physical
@@ -323,7 +330,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
/* 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_ERROR((AE_INFO,
"Could not allocate table memory for [%4.4s] length %X",
@@ -376,11 +383,12 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
* Validate checksum for _most_ tables,
* even the ones whose signature we don't recognize
*/
- if (table_info->type != ACPI_TABLE_FACS) {
+ if (table_info->type != ACPI_TABLE_ID_FACS) {
status = acpi_tb_verify_table_checksum(full_table);
#if (!ACPI_CHECKSUM_ABORT)
if (ACPI_FAILURE(status)) {
+
/* Ignore the error if configuration says so */
status = AE_OK;
@@ -409,7 +417,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
*
* 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
@@ -420,57 +428,34 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
acpi_status
acpi_tb_get_table_ptr(acpi_table_type table_type,
- u32 instance, struct acpi_table_header **table_ptr_loc)
+ u32 instance, struct acpi_table_header **return_table)
{
struct acpi_table_desc *table_desc;
u32 i;
- ACPI_FUNCTION_TRACE("tb_get_table_ptr");
-
- if (!acpi_gbl_DSDT) {
- return_ACPI_STATUS(AE_NO_ACPI_TABLES);
- }
+ ACPI_FUNCTION_TRACE(tb_get_table_ptr);
- if (table_type > ACPI_TABLE_MAX) {
+ if (table_type > ACPI_TABLE_ID_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 */
-
- *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);
- }
-
- /* 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);
}
- /* 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_table = table_desc->pointer;
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index 134e5dc..ad98211 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -77,7 +77,7 @@ acpi_tb_get_primary_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE("tb_get_primary_table");
+ ACPI_FUNCTION_TRACE(tb_get_primary_table);
/* Ignore a NULL address in the RSDT */
@@ -140,7 +140,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
acpi_status status;
struct acpi_table_header header;
- ACPI_FUNCTION_TRACE_STR("tb_get_secondary_table", signature);
+ ACPI_FUNCTION_TRACE_STR(tb_get_secondary_table, signature);
/* Get the header in order to match the signature */
@@ -151,7 +151,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
/* Signature must match request */
- if (ACPI_STRNCMP(header.signature, signature, ACPI_NAME_SIZE)) {
+ if (!ACPI_COMPARE_NAME(header.signature, signature)) {
ACPI_ERROR((AE_INFO,
"Incorrect table signature - wanted [%s] found [%4.4s]",
signature, header.signature));
@@ -207,7 +207,7 @@ acpi_status acpi_tb_get_required_tables(void)
struct acpi_table_desc table_info;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_get_required_tables");
+ ACPI_FUNCTION_TRACE(tb_get_required_tables);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
acpi_gbl_rsdt_table_count));
@@ -223,6 +223,7 @@ acpi_status acpi_tb_get_required_tables(void)
* any SSDTs.
*/
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
+
/* Get the table address from the common internal XSDT */
address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
@@ -305,6 +306,6 @@ acpi_status acpi_tb_get_required_tables(void)
/* Always delete the RSDP mapping, we are done with it */
- acpi_tb_delete_tables_by_type(ACPI_TABLE_RSDP);
+ acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_RSDP);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 7ffd0fd..7ca2df7 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -73,17 +73,18 @@ acpi_tb_match_signature(char *signature,
{
acpi_native_uint i;
- ACPI_FUNCTION_TRACE("tb_match_signature");
+ ACPI_FUNCTION_TRACE(tb_match_signature);
/* Search for a signature match among the known table types */
- for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
+ for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
if (!(acpi_gbl_table_data[i].flags & search_type)) {
continue;
}
if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature,
acpi_gbl_table_data[i].sig_length)) {
+
/* Found a signature match, return index if requested */
if (table_info) {
@@ -122,7 +123,7 @@ acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_install_table");
+ ACPI_FUNCTION_TRACE(tb_install_table);
/* Lock tables while installing */
@@ -187,7 +188,7 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
struct acpi_table_header *table_header;
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_recognize_table");
+ ACPI_FUNCTION_TRACE(tb_recognize_table);
/* Ensure that we have a valid table pointer */
@@ -218,7 +219,6 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
/* Return the table type and length via the info struct */
table_info->length = (acpi_size) table_header->length;
-
return_ACPI_STATUS(status);
}
@@ -243,11 +243,11 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
struct acpi_table_desc *table_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE_U32("tb_init_table_descriptor", table_type);
+ ACPI_FUNCTION_TRACE_U32(tb_init_table_descriptor, table_type);
/* Allocate a descriptor for this table */
- table_desc = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc));
+ table_desc = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
if (!table_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -274,7 +274,7 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
* at this location, so return an error.
*/
if (list_head->next) {
- ACPI_MEM_FREE(table_desc);
+ ACPI_FREE(table_desc);
return_ACPI_STATUS(AE_ALREADY_EXISTS);
}
@@ -312,15 +312,14 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
/* Finish initialization of the table descriptor */
+ table_desc->loaded_into_namespace = FALSE;
table_desc->type = (u8) table_type;
table_desc->pointer = table_info->pointer;
table_desc->length = table_info->length;
table_desc->allocation = table_info->allocation;
table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
- table_desc->aml_length = (u32) (table_desc->length -
- (u32) sizeof(struct
- acpi_table_header));
- table_desc->loaded_into_namespace = FALSE;
+ table_desc->aml_length = (u32)
+ (table_desc->length - (u32) sizeof(struct acpi_table_header));
/*
* Set the appropriate global pointer (if there is one) to point to the
@@ -335,7 +334,6 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
table_info->owner_id = table_desc->owner_id;
table_info->installed_desc = table_desc;
-
return_ACPI_STATUS(AE_OK);
}
@@ -359,7 +357,7 @@ void acpi_tb_delete_all_tables(void)
* Free memory allocated for ACPI tables
* Memory can either be mapped or allocated
*/
- for (type = 0; type < NUM_ACPI_TABLE_TYPES; type++) {
+ for (type = 0; type < (ACPI_TABLE_ID_MAX + 1); type++) {
acpi_tb_delete_tables_by_type(type);
}
}
@@ -383,9 +381,9 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
u32 count;
u32 i;
- ACPI_FUNCTION_TRACE_U32("tb_delete_tables_by_type", type);
+ ACPI_FUNCTION_TRACE_U32(tb_delete_tables_by_type, type);
- if (type > ACPI_TABLE_MAX) {
+ if (type > ACPI_TABLE_ID_MAX) {
return_VOID;
}
@@ -396,28 +394,28 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
/* Clear the appropriate "typed" global table pointer */
switch (type) {
- case ACPI_TABLE_RSDP:
+ case ACPI_TABLE_ID_RSDP:
acpi_gbl_RSDP = NULL;
break;
- case ACPI_TABLE_DSDT:
+ case ACPI_TABLE_ID_DSDT:
acpi_gbl_DSDT = NULL;
break;
- case ACPI_TABLE_FADT:
+ case ACPI_TABLE_ID_FADT:
acpi_gbl_FADT = NULL;
break;
- case ACPI_TABLE_FACS:
+ case ACPI_TABLE_ID_FACS:
acpi_gbl_FACS = NULL;
break;
- case ACPI_TABLE_XSDT:
+ case ACPI_TABLE_ID_XSDT:
acpi_gbl_XSDT = NULL;
break;
- case ACPI_TABLE_SSDT:
- case ACPI_TABLE_PSDT:
+ case ACPI_TABLE_ID_SSDT:
+ case ACPI_TABLE_ID_PSDT:
default:
break;
}
@@ -471,7 +469,7 @@ void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc)
case ACPI_MEM_ALLOCATED:
- ACPI_MEM_FREE(table_desc->pointer);
+ ACPI_FREE(table_desc->pointer);
break;
case ACPI_MEM_MAPPED:
@@ -503,7 +501,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
{
struct acpi_table_desc *next_desc;
- ACPI_FUNCTION_TRACE_PTR("tb_uninstall_table", table_desc);
+ ACPI_FUNCTION_TRACE_PTR(tb_uninstall_table, table_desc);
if (!table_desc) {
return_PTR(NULL);
@@ -530,7 +528,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
/* Free the table descriptor */
next_desc = table_desc->next;
- ACPI_MEM_FREE(table_desc);
+ ACPI_FREE(table_desc);
/* Return pointer to the next descriptor */
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 4d30822..abcb08c 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -64,7 +64,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
acpi_status status;
struct rsdp_descriptor *rsdp;
- ACPI_FUNCTION_TRACE("tb_verify_rsdp");
+ ACPI_FUNCTION_TRACE(tb_verify_rsdp);
switch (address->pointer_type) {
case ACPI_LOGICAL_POINTER:
@@ -78,7 +78,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
*/
status = acpi_os_map_memory(address->pointer.physical,
sizeof(struct rsdp_descriptor),
- (void *)&rsdp);
+ ACPI_CAST_PTR(void, &rsdp));
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
@@ -95,15 +95,20 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
goto cleanup;
}
- /* The RSDP supplied is OK */
+ /* RSDP is ok. Init the table info */
table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp);
table_info.length = sizeof(struct rsdp_descriptor);
- table_info.allocation = ACPI_MEM_MAPPED;
+
+ if (address->pointer_type == ACPI_PHYSICAL_POINTER) {
+ table_info.allocation = ACPI_MEM_MAPPED;
+ } else {
+ table_info.allocation = ACPI_MEM_NOT_ALLOCATED;
+ }
/* Save the table pointers and allocation info */
- status = acpi_tb_init_table_descriptor(ACPI_TABLE_RSDP, &table_info);
+ status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_RSDP, &table_info);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -174,22 +179,20 @@ void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address)
acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
{
- int no_match;
+ char *signature;
ACPI_FUNCTION_ENTRY();
- /*
- * Search for appropriate signature, RSDT or XSDT
- */
+ /* Search for appropriate signature, RSDT or XSDT */
+
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
- no_match = ACPI_STRNCMP((char *)table_ptr, RSDT_SIG,
- sizeof(RSDT_SIG) - 1);
+ signature = RSDT_SIG;
} else {
- no_match = ACPI_STRNCMP((char *)table_ptr, XSDT_SIG,
- sizeof(XSDT_SIG) - 1);
+ signature = XSDT_SIG;
}
- if (no_match) {
+ if (!ACPI_COMPARE_NAME(table_ptr->signature, signature)) {
+
/* Invalid RSDT or XSDT signature */
ACPI_ERROR((AE_INFO,
@@ -198,10 +201,8 @@ acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20);
ACPI_ERROR((AE_INFO,
- "RSDT/XSDT signature at %X (%p) is invalid",
- acpi_gbl_RSDP->rsdt_physical_address,
- (void *)(acpi_native_uint) acpi_gbl_RSDP->
- rsdt_physical_address));
+ "RSDT/XSDT signature at %X is invalid",
+ acpi_gbl_RSDP->rsdt_physical_address));
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
ACPI_ERROR((AE_INFO, "Looking for RSDT"));
@@ -234,13 +235,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
acpi_status status;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("tb_get_table_rsdt");
+ ACPI_FUNCTION_TRACE(tb_get_table_rsdt);
/* Get the RSDT/XSDT via the RSDP */
acpi_tb_get_rsdt_address(&address);
- table_info.type = ACPI_TABLE_XSDT;
+ table_info.type = ACPI_TABLE_ID_XSDT;
status = acpi_tb_get_table(&address, &table_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
@@ -274,12 +275,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
/* Save the table pointers and allocation info */
- status = acpi_tb_init_table_descriptor(ACPI_TABLE_XSDT, &table_info);
+ status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- acpi_gbl_XSDT = ACPI_CAST_PTR(XSDT_DESCRIPTOR, table_info.pointer);
+ acpi_gbl_XSDT =
+ ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT));
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index bc57159..209a401 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -71,7 +71,7 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
{
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("tb_is_table_installed");
+ ACPI_FUNCTION_TRACE(tb_is_table_installed);
/* Get the list descriptor and first table descriptor */
@@ -96,10 +96,11 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
(!ACPI_MEMCMP
(table_desc->pointer, new_table_desc->pointer,
new_table_desc->pointer->length))) {
+
/* Match: this table is already installed */
ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
- "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
+ "Table [%4.4s] already installed: Rev %X OemTableId [%8.8s]\n",
new_table_desc->pointer->signature,
new_table_desc->pointer->revision,
new_table_desc->pointer->
@@ -159,12 +160,8 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
ACPI_MOVE_32_TO_32(&signature, table_header->signature);
if (!acpi_ut_valid_acpi_name(signature)) {
- ACPI_ERROR((AE_INFO,
- "Table signature at %p [%p] has invalid characters",
- table_header, &signature));
-
- ACPI_WARNING((AE_INFO, "Invalid table signature found: [%4.4s]",
- ACPI_CAST_PTR(char, &signature)));
+ ACPI_ERROR((AE_INFO, "Invalid table signature 0x%8.8X",
+ signature));
ACPI_DUMP_BUFFER(table_header,
sizeof(struct acpi_table_header));
@@ -175,12 +172,9 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
if (table_header->length < sizeof(struct acpi_table_header)) {
ACPI_ERROR((AE_INFO,
- "Invalid length in table header %p name %4.4s",
- table_header, (char *)&signature));
-
- ACPI_WARNING((AE_INFO,
- "Invalid table header length (0x%X) found",
- (u32) table_header->length));
+ "Invalid length 0x%X in table with signature %4.4s",
+ (u32) table_header->length,
+ ACPI_CAST_PTR(char, &signature)));
ACPI_DUMP_BUFFER(table_header,
sizeof(struct acpi_table_header));
@@ -192,72 +186,119 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
/*******************************************************************************
*
- * FUNCTION: acpi_tb_verify_table_checksum
+ * FUNCTION: acpi_tb_sum_table
*
- * PARAMETERS: *table_header - ACPI table to verify
+ * PARAMETERS: Buffer - Buffer to sum
+ * Length - Size of the buffer
*
- * RETURN: 8 bit checksum of table
+ * RETURN: 8 bit sum of buffer
*
- * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct
- * table should have a checksum of 0.
+ * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it.
*
******************************************************************************/
-acpi_status
-acpi_tb_verify_table_checksum(struct acpi_table_header * table_header)
+u8 acpi_tb_sum_table(void *buffer, u32 length)
+{
+ acpi_native_uint i;
+ u8 sum = 0;
+
+ if (!buffer || !length) {
+ return (0);
+ }
+
+ for (i = 0; i < length; i++) {
+ sum = (u8) (sum + ((u8 *) buffer)[i]);
+ }
+ return (sum);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_generate_checksum
+ *
+ * PARAMETERS: Table - Pointer to a valid ACPI table (with a
+ * standard ACPI header)
+ *
+ * RETURN: 8 bit checksum of buffer
+ *
+ * DESCRIPTION: Computes an 8 bit checksum of the table.
+ *
+ ******************************************************************************/
+
+u8 acpi_tb_generate_checksum(struct acpi_table_header * table)
{
u8 checksum;
- acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("tb_verify_table_checksum");
+ /* Sum the entire table as-is */
- /* Compute the checksum on the table */
+ checksum = acpi_tb_sum_table(table, table->length);
- checksum =
- acpi_tb_generate_checksum(table_header, table_header->length);
+ /* Subtract off the existing checksum value in the table */
- /* Return the appropriate exception */
+ checksum = (u8) (checksum - table->checksum);
- if (checksum) {
- ACPI_WARNING((AE_INFO,
- "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)",
- table_header->signature,
- (u32) table_header->checksum, (u32) checksum));
+ /* Compute the final checksum */
- status = AE_BAD_CHECKSUM;
- }
- return_ACPI_STATUS(status);
+ checksum = (u8) (0 - checksum);
+ return (checksum);
}
/*******************************************************************************
*
- * FUNCTION: acpi_tb_generate_checksum
+ * FUNCTION: acpi_tb_set_checksum
*
- * PARAMETERS: Buffer - Buffer to checksum
- * Length - Size of the buffer
+ * PARAMETERS: Table - Pointer to a valid ACPI table (with a
+ * standard ACPI header)
*
- * RETURN: 8 bit checksum of buffer
+ * RETURN: None. Sets the table checksum field
*
- * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it.
+ * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the
+ * checksum into the table header.
*
******************************************************************************/
-u8 acpi_tb_generate_checksum(void *buffer, u32 length)
+void acpi_tb_set_checksum(struct acpi_table_header *table)
{
- u8 *end_buffer;
- u8 *rover;
- u8 sum = 0;
- if (buffer && length) {
- /* Buffer and Length are valid */
+ table->checksum = acpi_tb_generate_checksum(table);
+}
- end_buffer = ACPI_ADD_PTR(u8, buffer, length);
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_verify_table_checksum
+ *
+ * PARAMETERS: *table_header - ACPI table to verify
+ *
+ * RETURN: 8 bit checksum of table
+ *
+ * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares
+ * it to the existing checksum value.
+ *
+ ******************************************************************************/
- for (rover = buffer; rover < end_buffer; rover++) {
- sum = (u8) (sum + *rover);
- }
+acpi_status
+acpi_tb_verify_table_checksum(struct acpi_table_header *table_header)
+{
+ u8 checksum;
+
+ ACPI_FUNCTION_TRACE(tb_verify_table_checksum);
+
+ /* Compute the checksum on the table */
+
+ checksum = acpi_tb_generate_checksum(table_header);
+
+ /* Checksum ok? */
+
+ if (checksum == table_header->checksum) {
+ return_ACPI_STATUS(AE_OK);
}
- return (sum);
+
+ ACPI_WARNING((AE_INFO,
+ "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X",
+ table_header->signature, table_header->checksum,
+ checksum));
+
+ return_ACPI_STATUS(AE_BAD_CHECKSUM);
}
#ifdef ACPI_OBSOLETE_FUNCTIONS
@@ -276,12 +317,12 @@ u8 acpi_tb_generate_checksum(void *buffer, u32 length)
acpi_status
acpi_tb_handle_to_object(u16 table_id,
- struct acpi_table_desc ** return_table_desc)
+ struct acpi_table_desc **return_table_desc)
{
u32 i;
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_NAME("tb_handle_to_object");
+ ACPI_FUNCTION_NAME(tb_handle_to_object);
for (i = 0; i < ACPI_TABLE_MAX; i++) {
table_desc = acpi_gbl_table_lists[i].next;
@@ -295,7 +336,7 @@ acpi_tb_handle_to_object(u16 table_id,
}
}
- ACPI_ERROR((AE_INFO, "table_id=%X does not exist", table_id));
+ ACPI_ERROR((AE_INFO, "TableId=%X does not exist", table_id));
return (AE_BAD_PARAMETER);
}
#endif
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 9fe53c9..4e91f29 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -42,8 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/actables.h>
@@ -68,7 +66,7 @@ acpi_status acpi_load_tables(void)
struct acpi_pointer rsdp_address;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_load_tables");
+ ACPI_FUNCTION_TRACE(acpi_load_tables);
/* Get the RSDP */
@@ -123,6 +121,8 @@ acpi_status acpi_load_tables(void)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_load_tables)
+
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
@@ -139,14 +139,13 @@ acpi_status acpi_load_tables(void)
* is determined that the table is invalid, the call will fail.
*
******************************************************************************/
-
acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
{
acpi_status status;
struct acpi_table_desc table_info;
struct acpi_pointer address;
- ACPI_FUNCTION_TRACE("acpi_load_table");
+ ACPI_FUNCTION_TRACE(acpi_load_table);
if (!table_ptr) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -174,6 +173,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
status = acpi_tb_install_table(&table_info);
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
+
/* Table already exists, no error */
status = AE_OK;
@@ -188,12 +188,12 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
/* Convert the table to common format if necessary */
switch (table_info.type) {
- case ACPI_TABLE_FADT:
+ case ACPI_TABLE_ID_FADT:
status = acpi_tb_convert_table_fadt();
break;
- case ACPI_TABLE_FACS:
+ case ACPI_TABLE_ID_FACS:
status = acpi_tb_build_common_facs(&table_info);
break;
@@ -208,6 +208,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
}
if (ACPI_FAILURE(status)) {
+
/* Uninstall table and free the buffer */
(void)acpi_tb_uninstall_table(table_info.installed_desc);
@@ -216,6 +217,8 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_load_table)
+
/*******************************************************************************
*
* FUNCTION: acpi_unload_table
@@ -227,16 +230,15 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
* DESCRIPTION: This routine is used to force the unload of a table
*
******************************************************************************/
-
acpi_status acpi_unload_table(acpi_table_type table_type)
{
struct acpi_table_desc *table_desc;
- ACPI_FUNCTION_TRACE("acpi_unload_table");
+ ACPI_FUNCTION_TRACE(acpi_unload_table);
/* Parameter validation */
- if (table_type > ACPI_TABLE_MAX) {
+ if (table_type > ACPI_TABLE_ID_MAX) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@@ -261,6 +263,8 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_unload_table)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_table_header
@@ -281,7 +285,6 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
* have a standard header and is fixed length.
*
******************************************************************************/
-
acpi_status
acpi_get_table_header(acpi_table_type table_type,
u32 instance, struct acpi_table_header *out_table_header)
@@ -289,16 +292,16 @@ acpi_get_table_header(acpi_table_type table_type,
struct acpi_table_header *tbl_ptr;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_get_table_header");
+ ACPI_FUNCTION_TRACE(acpi_get_table_header);
if ((instance == 0) ||
- (table_type == ACPI_TABLE_RSDP) || (!out_table_header)) {
+ (table_type == ACPI_TABLE_ID_RSDP) || (!out_table_header)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
+ if ((table_type > ACPI_TABLE_ID_MAX) ||
(ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
instance > 1)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -325,6 +328,7 @@ acpi_get_table_header(acpi_table_type table_type,
return_ACPI_STATUS(status);
}
+ACPI_EXPORT_SYMBOL(acpi_get_table_header)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -349,7 +353,6 @@ acpi_get_table_header(acpi_table_type table_type,
* a complete table including the header.
*
******************************************************************************/
-
acpi_status
acpi_get_table(acpi_table_type table_type,
u32 instance, struct acpi_buffer *ret_buffer)
@@ -358,7 +361,7 @@ acpi_get_table(acpi_table_type table_type,
acpi_status status;
acpi_size table_length;
- ACPI_FUNCTION_TRACE("acpi_get_table");
+ ACPI_FUNCTION_TRACE(acpi_get_table);
/* Parameter validation */
@@ -373,7 +376,7 @@ acpi_get_table(acpi_table_type table_type,
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
+ if ((table_type > ACPI_TABLE_ID_MAX) ||
(ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
instance > 1)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -396,7 +399,8 @@ acpi_get_table(acpi_table_type table_type,
/* Get the table length */
- if (table_type == ACPI_TABLE_RSDP) {
+ if (table_type == ACPI_TABLE_ID_RSDP) {
+
/* RSD PTR is the only "table" without a header */
table_length = sizeof(struct rsdp_descriptor);
@@ -417,4 +421,4 @@ acpi_get_table(acpi_table_type table_type,
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_get_table);
+ACPI_EXPORT_SYMBOL(acpi_get_table)
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index a62db6a..da2648b 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/actables.h>
@@ -75,6 +73,7 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
* The signature and checksum must both be correct
*/
if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) {
+
/* Nope, BAD Signature */
return (AE_BAD_SIGNATURE);
@@ -82,15 +81,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
/* Check the standard checksum */
- if (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+ if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
return (AE_BAD_CHECKSUM);
}
/* Check extended checksum if table version >= 2 */
if ((rsdp->revision >= 2) &&
- (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) !=
- 0)) {
+ (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
return (AE_BAD_CHECKSUM);
}
@@ -121,7 +119,7 @@ acpi_tb_find_table(char *signature,
acpi_status status;
struct acpi_table_header *table;
- ACPI_FUNCTION_TRACE("tb_find_table");
+ ACPI_FUNCTION_TRACE(tb_find_table);
/* Validate string lengths */
@@ -131,7 +129,7 @@ acpi_tb_find_table(char *signature,
return_ACPI_STATUS(AE_AML_STRING_LIMIT);
}
- if (!ACPI_STRNCMP(signature, DSDT_SIG, ACPI_NAME_SIZE)) {
+ if (ACPI_COMPARE_NAME(signature, DSDT_SIG)) {
/*
* The DSDT pointer is contained in the FADT, not the RSDT.
* This code should suffice, because the only code that would perform
@@ -156,10 +154,12 @@ acpi_tb_find_table(char *signature,
/* Check oem_id and oem_table_id */
- if ((oem_id[0] && ACPI_STRNCMP(oem_id, table->oem_id,
- sizeof(table->oem_id))) ||
- (oem_table_id[0] && ACPI_STRNCMP(oem_table_id, table->oem_table_id,
- sizeof(table->oem_table_id)))) {
+ if ((oem_id[0] &&
+ ACPI_STRNCMP(oem_id, table->oem_id,
+ sizeof(table->oem_id))) ||
+ (oem_table_id[0] &&
+ ACPI_STRNCMP(oem_table_id, table->oem_table_id,
+ sizeof(table->oem_table_id)))) {
return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND);
}
@@ -203,7 +203,7 @@ acpi_get_firmware_table(acpi_string signature,
u32 i;
u32 j;
- ACPI_FUNCTION_TRACE("acpi_get_firmware_table");
+ ACPI_FUNCTION_TRACE(acpi_get_firmware_table);
/*
* Ensure that at least the table manager is initialized. We don't
@@ -217,6 +217,7 @@ acpi_get_firmware_table(acpi_string signature,
/* Ensure that we have a RSDP */
if (!acpi_gbl_RSDP) {
+
/* Get the RSDP */
status = acpi_os_get_root_pointer(flags, &address);
@@ -261,7 +262,7 @@ acpi_get_firmware_table(acpi_string signature,
/* Get and validate the RSDT */
- rsdt_info = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc));
+ rsdt_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
if (!rsdt_info) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -278,13 +279,13 @@ acpi_get_firmware_table(acpi_string signature,
/* Allocate a scratch table header and table descriptor */
- header = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_header));
+ header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
if (!header) {
status = AE_NO_MEMORY;
goto cleanup;
}
- table_info = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_desc));
+ table_info = ACPI_ALLOCATE(sizeof(struct acpi_table_desc));
if (!table_info) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -308,12 +309,12 @@ acpi_get_firmware_table(acpi_string signature,
if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
address.pointer.value =
(ACPI_CAST_PTR
- (RSDT_DESCRIPTOR,
+ (struct rsdt_descriptor,
rsdt_info->pointer))->table_offset_entry[i];
} else {
address.pointer.value =
(ACPI_CAST_PTR
- (XSDT_DESCRIPTOR,
+ (struct xsdt_descriptor,
rsdt_info->pointer))->table_offset_entry[i];
}
@@ -326,11 +327,13 @@ acpi_get_firmware_table(acpi_string signature,
/* Compare table signatures and table instance */
- if (!ACPI_STRNCMP(header->signature, signature, ACPI_NAME_SIZE)) {
+ if (ACPI_COMPARE_NAME(header->signature, signature)) {
+
/* An instance of the table was found */
j++;
if (j >= instance) {
+
/* Found the correct instance, get the entire table */
status =
@@ -355,23 +358,21 @@ acpi_get_firmware_table(acpi_string signature,
acpi_os_unmap_memory(rsdt_info->pointer,
(acpi_size) rsdt_info->pointer->length);
}
- ACPI_MEM_FREE(rsdt_info);
+ ACPI_FREE(rsdt_info);
if (header) {
- ACPI_MEM_FREE(header);
+ ACPI_FREE(header);
}
if (table_info) {
- ACPI_MEM_FREE(table_info);
+ ACPI_FREE(table_info);
}
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_firmware_table);
+ACPI_EXPORT_SYMBOL(acpi_get_firmware_table)
/* TBD: Move to a new file */
-
#if ACPI_MACHINE_WIDTH != 16
-
/*******************************************************************************
*
* FUNCTION: acpi_find_root_pointer
@@ -384,13 +385,12 @@ EXPORT_SYMBOL(acpi_get_firmware_table);
* DESCRIPTION: Find the RSDP
*
******************************************************************************/
-
acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
{
struct acpi_table_desc table_info;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_find_root_pointer");
+ ACPI_FUNCTION_TRACE(acpi_find_root_pointer);
/* Get the RSDP */
@@ -407,6 +407,8 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_find_root_pointer)
+
/*******************************************************************************
*
* FUNCTION: acpi_tb_scan_memory_for_rsdp
@@ -419,14 +421,13 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
* DESCRIPTION: Search a block of memory for the RSDP signature
*
******************************************************************************/
-
static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
{
acpi_status status;
u8 *mem_rover;
u8 *end_address;
- ACPI_FUNCTION_TRACE("tb_scan_memory_for_rsdp");
+ ACPI_FUNCTION_TRACE(tb_scan_memory_for_rsdp);
end_address = start_address + length;
@@ -434,12 +435,14 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
for (mem_rover = start_address; mem_rover < end_address;
mem_rover += ACPI_RSDP_SCAN_STEP) {
+
/* The RSDP signature and checksum must both be correct */
status =
acpi_tb_validate_rsdp(ACPI_CAST_PTR
(struct rsdp_descriptor, mem_rover));
if (ACPI_SUCCESS(status)) {
+
/* Sig and checksum valid, we have found a real RSDP */
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -469,10 +472,10 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
*
* RETURN: Status, RSDP physical address
*
- * DESCRIPTION: search lower 1_mbyte of memory for the root system descriptor
+ * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor
* pointer structure. If it is found, set *RSDP to point to it.
*
- * NOTE1: The RSDp must be either in the first 1_k of the Extended
+ * NOTE1: The RSDP must be either in the first 1_k of the Extended
* BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.)
* Only a 32-bit physical address is necessary.
*
@@ -489,12 +492,13 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
u32 physical_address;
acpi_status status;
- ACPI_FUNCTION_TRACE("tb_find_rsdp");
+ ACPI_FUNCTION_TRACE(tb_find_rsdp);
/*
* Scan supports either logical addressing or physical addressing
*/
if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
+
/* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
status = acpi_os_map_memory((acpi_physical_address)
@@ -521,7 +525,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
if (physical_address > 0x400) {
/*
- * 1b) Search EBDA paragraphs (EBDa is required to be a
+ * 1b) Search EBDA paragraphs (EBDA is required to be a
* minimum of 1_k length)
*/
status = acpi_os_map_memory((acpi_physical_address)
@@ -542,10 +546,11 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
physical_address +=
- ACPI_PTR_DIFF(mem_rover, table_ptr);
+ (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
table_info->physical_address =
(acpi_physical_address) physical_address;
@@ -576,11 +581,12 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
- physical_address =
- ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover,
- table_ptr);
+ physical_address = (u32)
+ (ACPI_HI_RSDP_WINDOW_BASE +
+ ACPI_PTR_DIFF(mem_rover, table_ptr));
table_info->physical_address =
(acpi_physical_address) physical_address;
@@ -601,7 +607,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
if (physical_address > 0x400) {
/*
- * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of
+ * 1b) Search EBDA paragraphs (EBDA is required to be a minimum of
* 1_k length)
*/
mem_rover =
@@ -609,6 +615,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
(physical_address),
ACPI_EBDA_WINDOW_SIZE);
if (mem_rover) {
+
/* Return the physical address */
table_info->physical_address =
@@ -624,6 +631,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
(ACPI_HI_RSDP_WINDOW_BASE),
ACPI_HI_RSDP_WINDOW_SIZE);
if (mem_rover) {
+
/* Found it, return the physical address */
table_info->physical_address =