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-rw-r--r--drivers/acpi/bus.c2
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c2
-rw-r--r--drivers/acpi/dispatcher/dswexec.c1
-rw-r--r--drivers/acpi/events/evrgnini.c13
-rw-r--r--drivers/acpi/executer/exdump.c6
-rw-r--r--drivers/acpi/executer/exnames.c2
-rw-r--r--drivers/acpi/hardware/hwtimer.c4
-rw-r--r--drivers/acpi/namespace/nsalloc.c2
-rw-r--r--drivers/acpi/namespace/nsdump.c3
-rw-r--r--drivers/acpi/namespace/nssearch.c50
-rw-r--r--drivers/acpi/parser/psloop.c12
-rw-r--r--drivers/acpi/parser/psscope.c4
-rw-r--r--drivers/acpi/resources/rslist.c8
-rw-r--r--drivers/acpi/system.c2
-rw-r--r--drivers/acpi/tables.c4
-rw-r--r--drivers/acpi/tables/tbconvrt.c31
-rw-r--r--drivers/acpi/tables/tbrsdt.c3
-rw-r--r--drivers/acpi/tables/tbutils.c122
-rw-r--r--drivers/acpi/tables/tbxfroot.c9
-rw-r--r--drivers/acpi/utilities/utdebug.c38
-rw-r--r--drivers/acpi/utilities/utdelete.c16
-rw-r--r--drivers/acpi/utilities/utglobal.c2
-rw-r--r--drivers/acpi/utilities/utinit.c6
-rw-r--r--drivers/acpi/utilities/utmisc.c104
-rw-r--r--drivers/acpi/utilities/utresrc.c6
-rw-r--r--drivers/acpi/utilities/utstate.c10
26 files changed, 329 insertions, 133 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9c4ac0191f64..b3a214db56f6 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -43,7 +43,7 @@ ACPI_MODULE_NAME("acpi_bus")
extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
#endif
-FADT_DESCRIPTOR acpi_fadt;
+struct fadt_descriptor acpi_fadt;
EXPORT_SYMBOL(acpi_fadt);
struct acpi_device *acpi_root;
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 238916ce5412..7dc59fc7344f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -502,7 +502,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
* Delete any namespace entries created immediately underneath
* the method
*/
- if (method_node->child) {
+ if (method_node && method_node->child) {
acpi_ns_delete_namespace_subtree(method_node);
}
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index 198949f41048..8b740b370eb1 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -49,7 +49,6 @@
#include <acpi/acinterp.h>
#include <acpi/acnamesp.h>
#include <acpi/acdebug.h>
-#include <acpi/acdisasm.h>
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dswexec")
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index db98747fe54d..d1809f4240a4 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -75,7 +75,18 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
if (function == ACPI_REGION_DEACTIVATE) {
if (*region_context) {
- ACPI_FREE(*region_context);
+ local_region_context =
+ (struct acpi_mem_space_context *)*region_context;
+
+ /* Delete a cached mapping if present */
+
+ if (local_region_context->mapped_length) {
+ acpi_os_unmap_memory(local_region_context->
+ mapped_logical_address,
+ local_region_context->
+ mapped_length);
+ }
+ ACPI_FREE(local_region_context);
*region_context = NULL;
}
return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 56db58b8e23a..1dfebf9e7074 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -61,6 +61,10 @@ static void acpi_ex_out_pointer(char *title, void *value);
static void acpi_ex_out_address(char *title, acpi_physical_address value);
+static void
+acpi_ex_dump_object(union acpi_operand_object *obj_desc,
+ struct acpi_exdump_info *info);
+
static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
static void
@@ -263,7 +267,7 @@ static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
};
-static struct acpi_exdump_info acpi_ex_dump_node[6] = {
+static struct acpi_exdump_info acpi_ex_dump_node[5] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 80bbc20756a1..085b18f8dd00 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -179,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
for (index = 0;
(index < ACPI_NAME_SIZE)
- && (acpi_ut_valid_acpi_character(*aml_address)); index++) {
+ && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
char_buf[index] = *aml_address++;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
}
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
index 9d53e46bc331..a559ac17b132 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/hardware/hwtimer.c
@@ -66,7 +66,7 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- if (0 == acpi_gbl_FADT->tmr_val_ext) {
+ if (acpi_gbl_FADT->tmr_val_ext == 0) {
*resolution = 24;
} else {
*resolution = 32;
@@ -153,7 +153,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
if (start_ticks < end_ticks) {
delta_ticks = end_ticks - start_ticks;
} else if (start_ticks > end_ticks) {
- if (0 == acpi_gbl_FADT->tmr_val_ext) {
+ if (acpi_gbl_FADT->tmr_val_ext == 0) {
/* 24-bit Timer */
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 8b921c96d6a5..c92c03693a16 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -211,6 +211,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
acpi_ut_get_node_name(parent_node),
acpi_ut_get_type_name(parent_node->type),
parent_node));
+
+ return_VOID;
}
/*******************************************************************************
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index e275373b1705..5662d2def62f 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -204,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
}
if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
+ this_node->name.integer =
+ acpi_ut_repair_name(this_node->name.integer);
+
ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
this_node->name.integer));
}
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index c929f45071c0..51adec5a23d6 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -128,9 +128,8 @@ acpi_ns_search_node(u32 target_name,
next_node->object);
}
- /*
- * Found matching entry.
- */
+ /* Found matching entry */
+
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
ACPI_CAST_PTR(char, &target_name),
@@ -248,10 +247,8 @@ acpi_ns_search_parent_tree(u32 target_name,
return_ACPI_STATUS(status);
}
- /*
- * Not found here, go up another level
- * (until we reach the root)
- */
+ /* Not found here, go up another level (until we reach the root) */
+
parent_node = acpi_ns_get_parent_node(parent_node);
}
@@ -307,12 +304,29 @@ acpi_ns_search_and_enter(u32 target_name,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Name must consist of printable characters */
-
+ /*
+ * Name must consist of valid ACPI characters. We will repair the name if
+ * necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
+ */
if (!acpi_ut_valid_acpi_name(target_name)) {
- ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X",
- target_name));
- return_ACPI_STATUS(AE_BAD_CHARACTER);
+ target_name = acpi_ut_repair_name(target_name);
+
+ /* Report warning only if in strict mode or debug mode */
+
+ if (!acpi_gbl_enable_interpreter_slack) {
+ ACPI_WARNING((AE_INFO,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+ "Found bad character(s) in name, repaired: [%4.4s]\n",
+ ACPI_CAST_PTR(char, &target_name)));
+ }
}
/* Try to find the name in the namespace level specified by the caller */
@@ -328,10 +342,8 @@ acpi_ns_search_and_enter(u32 target_name,
status = AE_ALREADY_EXISTS;
}
- /*
- * Either found it or there was an error
- * -- finished either way
- */
+ /* Either found it or there was an error: finished either way */
+
return_ACPI_STATUS(status);
}
@@ -357,9 +369,8 @@ acpi_ns_search_and_enter(u32 target_name,
}
}
- /*
- * In execute mode, just search, never add names. Exit now.
- */
+ /* In execute mode, just search, never add names. Exit now */
+
if (interpreter_mode == ACPI_IMODE_EXECUTE) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"%4.4s Not found in %p [Not adding]\n",
@@ -379,6 +390,5 @@ acpi_ns_search_and_enter(u32 target_name,
acpi_ns_install_node(walk_state, node, new_node, type);
*return_node = new_node;
-
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index 14052cb648c1..3a29ce680370 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -747,7 +747,19 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
if (ACPI_FAILURE(status2)) {
return_ACPI_STATUS(status2);
}
+
+ status2 =
+ acpi_ds_result_stack_pop
+ (walk_state);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+
+ acpi_ut_delete_generic_state
+ (acpi_ut_pop_generic_state
+ (&walk_state->control_state));
}
+
acpi_ps_pop_scope(parser_state, &op,
&walk_state->arg_types,
&walk_state->arg_count);
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
index 9233a4044d6b..424ab1c20da5 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/parser/psscope.c
@@ -143,7 +143,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state,
acpi_status
acpi_ps_push_scope(struct acpi_parse_state *parser_state,
union acpi_parse_object *op,
- u32 remaining_args, u8 arg_count)
+ u32 remaining_args, u32 arg_count)
{
union acpi_generic_state *scope;
@@ -196,7 +196,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
void
acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
- union acpi_parse_object **op, u32 * arg_list, u8 * arg_count)
+ union acpi_parse_object **op, u32 * arg_list, u32 * arg_count)
{
union acpi_generic_state *scope = parser_state->scope;
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 50bbb19bf4ae..1b2d1e717e74 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -64,10 +64,11 @@ ACPI_MODULE_NAME("rslist")
acpi_status
acpi_rs_convert_aml_to_resources(u8 * aml,
u32 length,
- u32 offset,
- u8 resource_index, void **resource_ptr)
+ u32 offset, u8 resource_index, void **context)
{
- struct acpi_resource *resource = *resource_ptr;
+ struct acpi_resource **resource_ptr =
+ ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
+ struct acpi_resource *resource;
acpi_status status;
ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
@@ -76,6 +77,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
* Check that the input buffer and all subsequent pointers into it
* are aligned on a native word boundary. Most important on IA64
*/
+ resource = *resource_ptr;
if (ACPI_IS_MISALIGNED(resource)) {
ACPI_WARNING((AE_INFO,
"Misaligned resource pointer %p", resource));
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e4308c7a6743..1943bec18848 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -39,7 +39,7 @@ ACPI_MODULE_NAME("acpi_system")
#define ACPI_SYSTEM_FILE_EVENT "event"
#define ACPI_SYSTEM_FILE_DSDT "dsdt"
#define ACPI_SYSTEM_FILE_FADT "fadt"
-extern FADT_DESCRIPTOR acpi_fadt;
+extern struct fadt_descriptor acpi_fadt;
/* --------------------------------------------------------------------------
FS Interface (/proc)
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7f37c7cc5ef1..ed5e8816d83d 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -282,8 +282,8 @@ acpi_get_table_header_early(enum acpi_table_id id,
/* Map the DSDT header via the pointer in the FADT */
if (id == ACPI_DSDT) {
- struct fadt_descriptor_rev2 *fadt =
- (struct fadt_descriptor_rev2 *)*header;
+ struct fadt_descriptor *fadt =
+ (struct fadt_descriptor *)*header;
if (fadt->revision == 3 && fadt->Xdsdt) {
*header = (void *)__acpi_map_table(fadt->Xdsdt,
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 5155b27cf032..a913a927d321 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -54,12 +54,12 @@ 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;
ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
@@ -120,7 +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();
@@ -151,12 +151,12 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
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];
}
@@ -218,7 +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)
{
@@ -364,14 +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
@@ -490,7 +489,7 @@ 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");
@@ -507,13 +506,13 @@ acpi_status acpi_tb_convert_table_fadt(void)
/* Allocate buffer for the ACPI 2.0(+) FADT */
- local_fadt = ACPI_ALLOCATE_ZEROED(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 */
@@ -538,7 +537,7 @@ 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 */
@@ -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 */
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 946d2f2d611d..9e0ebe625ed9 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -280,7 +280,8 @@ acpi_status acpi_tb_get_table_rsdt(void)
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 b463d4b88823..f8d28ae8811d 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -193,73 +193,119 @@ 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) {
+ table->checksum = acpi_tb_generate_checksum(table);
+}
+
+/*******************************************************************************
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+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 */
- /* Buffer and Length are valid */
+ checksum = acpi_tb_generate_checksum(table_header);
- end_buffer = ACPI_ADD_PTR(u8, buffer, length);
+ /* Checksum ok? */
- for (rover = buffer; rover < end_buffer; rover++) {
- sum = (u8) (sum + *rover);
- }
+ 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
@@ -278,7 +324,7 @@ 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;
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index 1b6d8c510e95..550284f5d1ed 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -81,15 +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);
}
@@ -308,12 +307,12 @@ 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];
}
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index a8c350643d57..5ec1cfcc611d 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -517,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number,
*
******************************************************************************/
-void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
{
acpi_native_uint i = 0;
acpi_native_uint j;
u32 temp32;
u8 buf_char;
- /* Only dump the buffer if tracing is enabled */
-
- if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
- (component_id & acpi_dbg_layer))) {
- return;
- }
-
if ((count < 4) || (count & 0x01)) {
display = DB_BYTE_DISPLAY;
}
@@ -556,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
}
switch (display) {
+ case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
acpi_os_printf("%02X ", buffer[i + j]);
@@ -613,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
return;
}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_dump_buffer
+ *
+ * PARAMETERS: Buffer - Buffer to dump
+ * Count - Amount to dump, in bytes
+ * Display - BYTE, WORD, DWORD, or QWORD display
+ * component_iD - Caller's component ID
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Generic dump buffer in both hex and ascii.
+ *
+ ******************************************************************************/
+
+void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
+{
+
+ /* Only dump the buffer if tracing is enabled */
+
+ if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
+ (component_id & acpi_dbg_layer))) {
+ return;
+ }
+
+ acpi_ut_dump_buffer2(buffer, count, display);
+}
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 51356e8eb999..b4e34a2f81f7 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -202,8 +202,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
if (handler_desc) {
if (handler_desc->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
- obj_pointer =
- second_desc->extra.region_context;
+
+ /* Deactivate region and free region context */
+
+ if (handler_desc->address_space.setup) {
+ (void)handler_desc->
+ address_space.setup(object,
+ ACPI_REGION_DEACTIVATE,
+ handler_desc->
+ address_space.
+ context,
+ &second_desc->
+ extra.
+ region_context);
+ }
}
acpi_ut_remove_reference(handler_desc);
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 8a05bb5ef4fe..e8ae417c9848 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -642,7 +642,7 @@ char *acpi_ut_get_node_name(void *object)
/* Name must be a valid ACPI name */
if (!acpi_ut_valid_acpi_name(node->name.integer)) {
- return ("????");
+ node->name.integer = acpi_ut_repair_name(node->name.integer);
}
/* Return the name */
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 40313de6977d..7538b165b6e5 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utinit")
/* Local prototypes */
static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset);
+acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset);
static void acpi_ut_terminate(void);
@@ -69,12 +69,12 @@ static void acpi_ut_terminate(void);
******************************************************************************/
static void
-acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset)
+acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset)
{
ACPI_WARNING((AE_INFO,
"Invalid FADT value %s=%X at offset %X FADT=%p",
- register_name, value, (u32) offset, acpi_gbl_FADT));
+ register_name, value, offset, acpi_gbl_FADT));
}
/******************************************************************************
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 017a87ebc40b..4623d7e215d3 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,6 +49,33 @@ ACPI_MODULE_NAME("utmisc")
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_is_aml_table
+ *
+ * PARAMETERS: Table - An ACPI table
+ *
+ * RETURN: TRUE if table contains executable AML; FALSE otherwise
+ *
+ * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
+ * Currently, these are DSDT,SSDT,PSDT. All other table types are
+ * data tables that do not contain AML code.
+ *
+ ******************************************************************************/
+u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
+{
+
+ /* Ignore tables that contain AML */
+
+ if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) ||
+ ACPI_COMPARE_NAME(table->signature, PSDT_SIG) ||
+ ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_allocate_owner_id
*
* PARAMETERS: owner_id - Where the new owner ID is returned
@@ -60,6 +87,7 @@ ACPI_MODULE_NAME("utmisc")
* when the method exits or the table is unloaded.
*
******************************************************************************/
+
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
{
acpi_native_uint i;
@@ -469,6 +497,41 @@ acpi_ut_display_init_pathname(u8 type,
/*******************************************************************************
*
+ * FUNCTION: acpi_ut_valid_acpi_char
+ *
+ * PARAMETERS: Char - The character to be examined
+ *
+ * RETURN: TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ * We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
+{
+
+ if (!((character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9') || (character == '_'))) {
+
+ /* Allow a '!' in the last position */
+
+ if (character == '!' && position == 3) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ut_valid_acpi_name
*
* PARAMETERS: Name - The name to be examined
@@ -484,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type,
u8 acpi_ut_valid_acpi_name(u32 name)
{
- char *name_ptr = (char *)&name;
- char character;
acpi_native_uint i;
ACPI_FUNCTION_ENTRY();
for (i = 0; i < ACPI_NAME_SIZE; i++) {
- character = *name_ptr;
- name_ptr++;
-
- if (!((character == '_') ||
- (character >= 'A' && character <= 'Z') ||
- (character >= '0' && character <= '9'))) {
+ if (!acpi_ut_valid_acpi_char
+ ((ACPI_CAST_PTR(char, &name))[i], i)) {
return (FALSE);
}
}
@@ -506,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name)
/*******************************************************************************
*
- * FUNCTION: acpi_ut_valid_acpi_character
+ * FUNCTION: acpi_ut_repair_name
*
- * PARAMETERS: Character - The character to be examined
+ * PARAMETERS: Name - The ACPI name to be repaired
*
- * RETURN: 1 if Character may appear in a name, else 0
+ * RETURN: Repaired version of the name
*
- * DESCRIPTION: Check for a printable character
+ * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
+ * return the new name.
*
******************************************************************************/
-u8 acpi_ut_valid_acpi_character(char character)
+acpi_name acpi_ut_repair_name(acpi_name name)
{
+ char *name_ptr = ACPI_CAST_PTR(char, &name);
+ char new_name[ACPI_NAME_SIZE];
+ acpi_native_uint i;
- ACPI_FUNCTION_ENTRY();
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ new_name[i] = name_ptr[i];
+
+ /*
+ * Replace a bad character with something printable, yet technically
+ * still invalid. This prevents any collisions with existing "good"
+ * names in the namespace.
+ */
+ if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) {
+ new_name[i] = '*';
+ }
+ }
- return ((u8) ((character == '_') ||
- (character >= 'A' && character <= 'Z') ||
- (character >= '0' && character <= '9')));
+ return (*ACPI_CAST_PTR(u32, new_name));
}
/*******************************************************************************
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 4c24e6d5400a..1e680794c6df 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -258,7 +258,7 @@ static const u8 acpi_gbl_resource_types[] = {
acpi_status
acpi_ut_walk_aml_resources(u8 * aml,
acpi_size aml_length,
- acpi_walk_aml_callback user_function, void *context)
+ acpi_walk_aml_callback user_function, void **context)
{
acpi_status status;
u8 *end_aml;
@@ -319,7 +319,7 @@ acpi_ut_walk_aml_resources(u8 * aml,
/* Return the pointer to the end_tag if requested */
if (!user_function) {
- *(void **)context = aml;
+ *context = aml;
}
/* Normal exit */
@@ -610,7 +610,7 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
obj_desc->buffer.length, NULL,
- end_tag);
+ (void **)end_tag);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
index 637c5f964879..aec5034cd978 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/utilities/utstate.c
@@ -321,8 +321,8 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
*
* RETURN: None
*
- * DESCRIPTION: Put a state object back into the global state cache. The object
- * is not actually freed at this time.
+ * DESCRIPTION: Release a state object to the state cache. NULL state objects
+ * are ignored.
*
******************************************************************************/
@@ -330,6 +330,10 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state)
{
ACPI_FUNCTION_TRACE("ut_delete_generic_state");
- (void)acpi_os_release_object(acpi_gbl_state_cache, state);
+ /* Ignore null state */
+
+ if (state) {
+ (void)acpi_os_release_object(acpi_gbl_state_cache, state);
+ }
return_VOID;
}