ACPICA: Miscellaneous table manager updates and optimizations
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 9e0b3ce..b07d9c8 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -61,16 +61,19 @@
*****************************************************************************/
acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
{
- acpi_status status;
+ acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE(tb_verify_table);
/* Map the table if necessary */
if (!table_desc->pointer) {
- table_desc->pointer =
- acpi_tb_map(table_desc->address, table_desc->length,
- table_desc->flags & ACPI_TABLE_ORIGIN_MASK);
+ if ((table_desc->flags & ACPI_TABLE_ORIGIN_MASK) ==
+ ACPI_TABLE_ORIGIN_MAPPED) {
+ table_desc->pointer =
+ acpi_os_map_memory(table_desc->address,
+ table_desc->length);
+ }
if (!table_desc->pointer) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@@ -78,14 +81,15 @@
/* FACS is the odd table, has no standard ACPI header and no checksum */
- if (ACPI_COMPARE_NAME(&(table_desc->signature), ACPI_SIG_FACS)) {
- return_ACPI_STATUS(AE_OK);
+ if (!ACPI_COMPARE_NAME(&table_desc->signature, ACPI_SIG_FACS)) {
+
+ /* Always calculate checksum, ignore bad checksum if requested */
+
+ status =
+ acpi_tb_verify_checksum(table_desc->pointer,
+ table_desc->length);
}
- /* Always calculate checksum, ignore bad checksum if requested */
-
- status =
- acpi_tb_verify_checksum(table_desc->pointer, table_desc->length);
return_ACPI_STATUS(status);
}
@@ -93,7 +97,7 @@
*
* FUNCTION: acpi_tb_add_table
*
- * PARAMETERS: Table - Pointer to the table header
+ * PARAMETERS: table_desc - Table descriptor
* table_index - Where the table index is returned
*
* RETURN: Status
@@ -103,7 +107,7 @@
******************************************************************************/
acpi_status
-acpi_tb_add_table(struct acpi_table_header *table,
+acpi_tb_add_table(struct acpi_table_desc *table_desc,
acpi_native_uint * table_index)
{
acpi_native_uint i;
@@ -112,6 +116,25 @@
ACPI_FUNCTION_TRACE(tb_add_table);
+ if (!table_desc->pointer) {
+ status = acpi_tb_verify_table(table_desc);
+ if (ACPI_FAILURE(status) || !table_desc->pointer) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ /* The table must be either an SSDT or a PSDT */
+
+ if ((!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT))
+ &&
+ (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)))
+ {
+ ACPI_ERROR((AE_INFO,
+ "Table has invalid signature [%4.4s], must be SSDT or PSDT",
+ table_desc->pointer->signature));
+ return_ACPI_STATUS(AE_BAD_SIGNATURE);
+ }
+
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
/* Check if table is already registered */
@@ -127,18 +150,17 @@
}
}
- length = ACPI_MIN(table->length,
- acpi_gbl_root_table_list.tables[i].pointer->
- length);
- if (ACPI_MEMCMP
- (table, acpi_gbl_root_table_list.tables[i].pointer,
- length)) {
+ length = ACPI_MIN(table_desc->length,
+ acpi_gbl_root_table_list.tables[i].length);
+ if (ACPI_MEMCMP(table_desc->pointer,
+ acpi_gbl_root_table_list.tables[i].pointer,
+ length)) {
continue;
}
/* Table is already registered */
- ACPI_FREE(table);
+ acpi_tb_delete_table(table_desc);
*table_index = i;
goto release;
}
@@ -146,14 +168,14 @@
/*
* Add the table to the global table list
*/
- status = acpi_tb_store_table(ACPI_TO_INTEGER(table),
- table, table->length,
- ACPI_TABLE_ORIGIN_ALLOCATED, table_index);
+ status = acpi_tb_store_table(table_desc->address, table_desc->pointer,
+ table_desc->length, table_desc->flags,
+ table_index);
if (ACPI_FAILURE(status)) {
goto release;
}
- acpi_tb_print_table_header(0, table);
+ acpi_tb_print_table_header(table_desc->address, table_desc->pointer);
release:
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
@@ -282,25 +304,20 @@
*
******************************************************************************/
-void acpi_tb_delete_table(acpi_native_uint table_index)
+void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
{
- struct acpi_table_desc *table_desc;
-
- /* table_index assumed valid */
-
- table_desc = &acpi_gbl_root_table_list.tables[table_index];
-
/* Table must be mapped or allocated */
-
if (!table_desc->pointer) {
return;
}
-
- if (table_desc->flags & ACPI_TABLE_ORIGIN_MAPPED) {
- acpi_tb_unmap(table_desc->pointer, table_desc->length,
- table_desc->flags & ACPI_TABLE_ORIGIN_MASK);
- } else if (table_desc->flags & ACPI_TABLE_ORIGIN_ALLOCATED) {
+ switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
+ case ACPI_TABLE_ORIGIN_MAPPED:
+ acpi_os_unmap_memory(table_desc->pointer, table_desc->length);
+ break;
+ case ACPI_TABLE_ORIGIN_ALLOCATED:
ACPI_FREE(table_desc->pointer);
+ break;
+ default:;
}
table_desc->pointer = NULL;
@@ -329,7 +346,7 @@
/* Delete the individual tables */
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
- acpi_tb_delete_table(i);
+ acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]);
}
/*