*****************************************************************************/
/*
- * 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/acparser.h>
#include <acpi/acdispat.h>
#include <acpi/acnamesp.h>
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dswstate")
-
-
-#ifdef ACPI_FUTURE_USAGE
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_result_insert
- *
- * PARAMETERS: Object - Object to push
- * Index - Where to insert the object
- * walk_state - Current Walk state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Insert an object onto this walk's result stack
- *
- ******************************************************************************/
+ACPI_MODULE_NAME("dswstate")
+/* Local prototypes */
+#ifdef ACPI_OBSOLETE_FUNCTIONS
acpi_status
-acpi_ds_result_insert (
- void *object,
- u32 index,
- struct acpi_walk_state *walk_state)
-{
- union acpi_generic_state *state;
-
+acpi_ds_result_insert(void *object,
+ u32 index, struct acpi_walk_state *walk_state);
- ACPI_FUNCTION_NAME ("ds_result_insert");
+acpi_status acpi_ds_obj_stack_delete_all(struct acpi_walk_state *walk_state);
+acpi_status
+acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
+ struct acpi_walk_state *walk_state);
- state = walk_state->results;
- if (!state) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
- walk_state));
- return (AE_NOT_EXIST);
- }
-
- if (index >= ACPI_OBJ_NUM_OPERANDS) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Index out of range: %X Obj=%p State=%p Num=%X\n",
- index, object, walk_state, state->results.num_results));
- return (AE_BAD_PARAMETER);
- }
-
- if (!object) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Null Object! Index=%X Obj=%p State=%p Num=%X\n",
- index, object, walk_state, state->results.num_results));
- return (AE_BAD_PARAMETER);
- }
-
- state->results.obj_desc [index] = object;
- state->results.num_results++;
-
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
- object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL",
- walk_state, state->results.num_results, walk_state->current_result));
-
- return (AE_OK);
-}
+void *acpi_ds_obj_stack_get_value(u32 index,
+ struct acpi_walk_state *walk_state);
+#endif
+#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
******************************************************************************/
acpi_status
-acpi_ds_result_remove (
- union acpi_operand_object **object,
- u32 index,
- struct acpi_walk_state *walk_state)
+acpi_ds_result_remove(union acpi_operand_object **object,
+ u32 index, struct acpi_walk_state *walk_state)
{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_NAME ("ds_result_remove");
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_remove");
state = walk_state->results;
if (!state) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
- walk_state));
+ ACPI_ERROR((AE_INFO, "No result object pushed! State=%p",
+ walk_state));
return (AE_NOT_EXIST);
}
if (index >= ACPI_OBJ_MAX_OPERAND) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Index out of range: %X State=%p Num=%X\n",
- index, walk_state, state->results.num_results));
+ ACPI_ERROR((AE_INFO,
+ "Index out of range: %X State=%p Num=%X",
+ index, walk_state, state->results.num_results));
}
/* Check for a valid result object */
- if (!state->results.obj_desc [index]) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Null operand! State=%p #Ops=%X, Index=%X\n",
- walk_state, state->results.num_results, index));
+ if (!state->results.obj_desc[index]) {
+ ACPI_ERROR((AE_INFO,
+ "Null operand! State=%p #Ops=%X, Index=%X",
+ walk_state, state->results.num_results, index));
return (AE_AML_NO_RETURN_VALUE);
}
state->results.num_results--;
- *object = state->results.obj_desc [index];
- state->results.obj_desc [index] = NULL;
+ *object = state->results.obj_desc[index];
+ state->results.obj_desc[index] = NULL;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Obj=%p [%s] Index=%X State=%p Num=%X\n",
- *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
- index, walk_state, state->results.num_results));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Obj=%p [%s] Index=%X State=%p Num=%X\n",
+ *object,
+ (*object) ? acpi_ut_get_object_type_name(*object) :
+ "NULL", index, walk_state,
+ state->results.num_results));
return (AE_OK);
}
-#endif /* ACPI_FUTURE_USAGE */
-
+#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
******************************************************************************/
acpi_status
-acpi_ds_result_pop (
- union acpi_operand_object **object,
- struct acpi_walk_state *walk_state)
+acpi_ds_result_pop(union acpi_operand_object ** object,
+ struct acpi_walk_state * walk_state)
{
- acpi_native_uint index;
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_NAME ("ds_result_pop");
+ acpi_native_uint index;
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_pop");
state = walk_state->results;
if (!state) {
}
if (!state->results.num_results) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Result stack is empty! State=%p\n",
- walk_state));
+ ACPI_ERROR((AE_INFO, "Result stack is empty! State=%p",
+ walk_state));
return (AE_AML_NO_RETURN_VALUE);
}
for (index = ACPI_OBJ_NUM_OPERANDS; index; index--) {
/* Check for a valid result object */
- if (state->results.obj_desc [index -1]) {
- *object = state->results.obj_desc [index -1];
- state->results.obj_desc [index -1] = NULL;
+ if (state->results.obj_desc[index - 1]) {
+ *object = state->results.obj_desc[index - 1];
+ state->results.obj_desc[index - 1] = NULL;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n",
- *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
- (u32) index -1, walk_state, state->results.num_results));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Obj=%p [%s] Index=%X State=%p Num=%X\n",
+ *object,
+ (*object) ?
+ acpi_ut_get_object_type_name(*object)
+ : "NULL", (u32) index - 1, walk_state,
+ state->results.num_results));
return (AE_OK);
}
}
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state));
+ ACPI_ERROR((AE_INFO, "No result objects! State=%p", walk_state));
return (AE_AML_NO_RETURN_VALUE);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_result_pop_from_bottom
******************************************************************************/
acpi_status
-acpi_ds_result_pop_from_bottom (
- union acpi_operand_object **object,
- struct acpi_walk_state *walk_state)
+acpi_ds_result_pop_from_bottom(union acpi_operand_object ** object,
+ struct acpi_walk_state * walk_state)
{
- acpi_native_uint index;
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_NAME ("ds_result_pop_from_bottom");
+ acpi_native_uint index;
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_pop_from_bottom");
state = walk_state->results;
if (!state) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Warning: No result object pushed! State=%p\n", walk_state));
+ ACPI_ERROR((AE_INFO,
+ "No result object pushed! State=%p", walk_state));
return (AE_NOT_EXIST);
}
if (!state->results.num_results) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state));
+ ACPI_ERROR((AE_INFO, "No result objects! State=%p",
+ walk_state));
return (AE_AML_NO_RETURN_VALUE);
}
/* Remove Bottom element */
- *object = state->results.obj_desc [0];
+ *object = state->results.obj_desc[0];
/* Push entire stack down one element */
for (index = 0; index < state->results.num_results; index++) {
- state->results.obj_desc [index] = state->results.obj_desc [index + 1];
+ state->results.obj_desc[index] =
+ state->results.obj_desc[index + 1];
}
state->results.num_results--;
/* Check for a valid result object */
if (!*object) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null operand! State=%p #Ops=%X, Index=%X\n",
- walk_state, state->results.num_results, (u32) index));
+ ACPI_ERROR((AE_INFO,
+ "Null operand! State=%p #Ops=%X Index=%X",
+ walk_state, state->results.num_results,
+ (u32) index));
return (AE_AML_NO_RETURN_VALUE);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s], Results=%p State=%p\n",
- *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
- state, walk_state));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] Results=%p State=%p\n",
+ *object,
+ (*object) ? acpi_ut_get_object_type_name(*object) :
+ "NULL", state, walk_state));
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_result_push
******************************************************************************/
acpi_status
-acpi_ds_result_push (
- union acpi_operand_object *object,
- struct acpi_walk_state *walk_state)
+acpi_ds_result_push(union acpi_operand_object * object,
+ struct acpi_walk_state * walk_state)
{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_NAME ("ds_result_push");
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_push");
state = walk_state->results;
if (!state) {
- ACPI_REPORT_ERROR (("No result stack frame during push\n"));
+ ACPI_ERROR((AE_INFO, "No result stack frame during push"));
return (AE_AML_INTERNAL);
}
if (state->results.num_results == ACPI_OBJ_NUM_OPERANDS) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Result stack overflow: Obj=%p State=%p Num=%X\n",
- object, walk_state, state->results.num_results));
+ ACPI_ERROR((AE_INFO,
+ "Result stack overflow: Obj=%p State=%p Num=%X",
+ object, walk_state, state->results.num_results));
return (AE_STACK_OVERFLOW);
}
if (!object) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Object! Obj=%p State=%p Num=%X\n",
- object, walk_state, state->results.num_results));
+ ACPI_ERROR((AE_INFO,
+ "Null Object! Obj=%p State=%p Num=%X",
+ object, walk_state, state->results.num_results));
return (AE_BAD_PARAMETER);
}
- state->results.obj_desc [state->results.num_results] = object;
+ state->results.obj_desc[state->results.num_results] = object;
state->results.num_results++;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
- object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL",
- walk_state, state->results.num_results, walk_state->current_result));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+ object,
+ object ?
+ acpi_ut_get_object_type_name((union
+ acpi_operand_object *)
+ object) : "NULL",
+ walk_state, state->results.num_results,
+ walk_state->current_result));
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_result_stack_push
*
******************************************************************************/
-acpi_status
-acpi_ds_result_stack_push (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ds_result_stack_push(struct acpi_walk_state * walk_state)
{
- union acpi_generic_state *state;
-
- ACPI_FUNCTION_NAME ("ds_result_stack_push");
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_stack_push");
- state = acpi_ut_create_generic_state ();
+ state = acpi_ut_create_generic_state();
if (!state) {
return (AE_NO_MEMORY);
}
state->common.data_type = ACPI_DESC_TYPE_STATE_RESULT;
- acpi_ut_push_generic_state (&walk_state->results, state);
+ acpi_ut_push_generic_state(&walk_state->results, state);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Results=%p State=%p\n",
- state, walk_state));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n",
+ state, walk_state));
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_result_stack_pop
*
******************************************************************************/
-acpi_status
-acpi_ds_result_stack_pop (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
{
- union acpi_generic_state *state;
-
- ACPI_FUNCTION_NAME ("ds_result_stack_pop");
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_NAME("ds_result_stack_pop");
/* Check for stack underflow */
if (walk_state->results == NULL) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Underflow - State=%p\n",
- walk_state));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Underflow - State=%p\n",
+ walk_state));
return (AE_AML_NO_OPERAND);
}
- state = acpi_ut_pop_generic_state (&walk_state->results);
+ state = acpi_ut_pop_generic_state(&walk_state->results);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Result=%p remaining_results=%X State=%p\n",
- state, state->results.num_results, walk_state));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Result=%p remaining_results=%X State=%p\n",
+ state, state->results.num_results, walk_state));
- acpi_ut_delete_generic_state (state);
+ acpi_ut_delete_generic_state(state);
return (AE_OK);
}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_obj_stack_delete_all
- *
- * PARAMETERS: walk_state - Current Walk state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
- * Should be used with great care, if at all!
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ds_obj_stack_delete_all (
- struct acpi_walk_state *walk_state)
-{
- u32 i;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state);
-
-
- /* The stack size is configurable, but fixed */
-
- for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
- if (walk_state->operands[i]) {
- acpi_ut_remove_reference (walk_state->operands[i]);
- walk_state->operands[i] = NULL;
- }
- }
-
- return_ACPI_STATUS (AE_OK);
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_obj_stack_push
******************************************************************************/
acpi_status
-acpi_ds_obj_stack_push (
- void *object,
- struct acpi_walk_state *walk_state)
+acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
{
- ACPI_FUNCTION_NAME ("ds_obj_stack_push");
-
+ ACPI_FUNCTION_NAME("ds_obj_stack_push");
/* Check for stack overflow */
if (walk_state->num_operands >= ACPI_OBJ_NUM_OPERANDS) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "overflow! Obj=%p State=%p #Ops=%X\n",
- object, walk_state, walk_state->num_operands));
+ ACPI_ERROR((AE_INFO,
+ "Object stack overflow! Obj=%p State=%p #Ops=%X",
+ object, walk_state, walk_state->num_operands));
return (AE_STACK_OVERFLOW);
}
/* Put the object onto the stack */
- walk_state->operands [walk_state->num_operands] = object;
+ walk_state->operands[walk_state->num_operands] = object;
walk_state->num_operands++;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
- object, acpi_ut_get_object_type_name ((union acpi_operand_object *) object),
- walk_state, walk_state->num_operands));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+ object,
+ acpi_ut_get_object_type_name((union
+ acpi_operand_object *)
+ object), walk_state,
+ walk_state->num_operands));
return (AE_OK);
}
-
-#if 0
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_obj_stack_pop_object
- *
- * PARAMETERS: pop_count - Number of objects/entries to pop
- * walk_state - Current Walk state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT
- * deleted by this routine.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_obj_stack_pop_object (
- union acpi_operand_object **object,
- struct acpi_walk_state *walk_state)
-{
- ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object");
-
-
- /* Check for stack underflow */
-
- if (walk_state->num_operands == 0) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Missing operand/stack empty! State=%p #Ops=%X\n",
- walk_state, walk_state->num_operands));
- *object = NULL;
- return (AE_AML_NO_OPERAND);
- }
-
- /* Pop the stack */
-
- walk_state->num_operands--;
-
- /* Check for a valid operand */
-
- if (!walk_state->operands [walk_state->num_operands]) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Null operand! State=%p #Ops=%X\n",
- walk_state, walk_state->num_operands));
- *object = NULL;
- return (AE_AML_NO_OPERAND);
- }
-
- /* Get operand and set stack entry to null */
-
- *object = walk_state->operands [walk_state->num_operands];
- walk_state->operands [walk_state->num_operands] = NULL;
-
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
- *object, acpi_ut_get_object_type_name (*object),
- walk_state, walk_state->num_operands));
-
- return (AE_OK);
-}
-#endif
-
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_obj_stack_pop
******************************************************************************/
acpi_status
-acpi_ds_obj_stack_pop (
- u32 pop_count,
- struct acpi_walk_state *walk_state)
+acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
{
- u32 i;
-
- ACPI_FUNCTION_NAME ("ds_obj_stack_pop");
+ u32 i;
+ ACPI_FUNCTION_NAME("ds_obj_stack_pop");
for (i = 0; i < pop_count; i++) {
/* Check for stack underflow */
if (walk_state->num_operands == 0) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Underflow! Count=%X State=%p #Ops=%X\n",
- pop_count, walk_state, walk_state->num_operands));
+ ACPI_ERROR((AE_INFO,
+ "Object stack underflow! Count=%X State=%p #Ops=%X",
+ pop_count, walk_state,
+ walk_state->num_operands));
return (AE_STACK_UNDERFLOW);
}
/* Just set the stack entry to null */
walk_state->num_operands--;
- walk_state->operands [walk_state->num_operands] = NULL;
+ walk_state->operands[walk_state->num_operands] = NULL;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
pop_count, walk_state, walk_state->num_operands));
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_obj_stack_pop_and_delete
******************************************************************************/
acpi_status
-acpi_ds_obj_stack_pop_and_delete (
- u32 pop_count,
- struct acpi_walk_state *walk_state)
+acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
+ struct acpi_walk_state * walk_state)
{
- u32 i;
- union acpi_operand_object *obj_desc;
-
-
- ACPI_FUNCTION_NAME ("ds_obj_stack_pop_and_delete");
+ u32 i;
+ union acpi_operand_object *obj_desc;
+ ACPI_FUNCTION_NAME("ds_obj_stack_pop_and_delete");
for (i = 0; i < pop_count; i++) {
/* Check for stack underflow */
if (walk_state->num_operands == 0) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Underflow! Count=%X State=%p #Ops=%X\n",
- pop_count, walk_state, walk_state->num_operands));
+ ACPI_ERROR((AE_INFO,
+ "Object stack underflow! Count=%X State=%p #Ops=%X",
+ pop_count, walk_state,
+ walk_state->num_operands));
return (AE_STACK_UNDERFLOW);
}
/* Pop the stack and delete an object if present in this stack entry */
walk_state->num_operands--;
- obj_desc = walk_state->operands [walk_state->num_operands];
+ obj_desc = walk_state->operands[walk_state->num_operands];
if (obj_desc) {
- acpi_ut_remove_reference (walk_state->operands [walk_state->num_operands]);
- walk_state->operands [walk_state->num_operands] = NULL;
+ acpi_ut_remove_reference(walk_state->
+ operands[walk_state->
+ num_operands]);
+ walk_state->operands[walk_state->num_operands] = NULL;
}
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
pop_count, walk_state, walk_state->num_operands));
return (AE_OK);
}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_obj_stack_get_value
- *
- * PARAMETERS: Index - Stack index whose value is desired. Based
- * on the top of the stack (index=0 == top)
- * walk_state - Current Walk state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Retrieve an object from this walk's object stack. Index must
- * be within the range of the current stack pointer.
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-void *
-acpi_ds_obj_stack_get_value (
- u32 index,
- struct acpi_walk_state *walk_state)
-{
-
- ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state);
-
-
- /* Can't do it if the stack is empty */
-
- if (walk_state->num_operands == 0) {
- return_PTR (NULL);
- }
-
- /* or if the index is past the top of the stack */
-
- if (index > (walk_state->num_operands - (u32) 1)) {
- return_PTR (NULL);
- }
-
- return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) -
- index]);
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_get_current_walk_state
*
******************************************************************************/
-struct acpi_walk_state *
-acpi_ds_get_current_walk_state (
- struct acpi_thread_state *thread)
-
+struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
+ *thread)
{
- ACPI_FUNCTION_NAME ("ds_get_current_walk_state");
-
+ ACPI_FUNCTION_NAME("ds_get_current_walk_state");
if (!thread) {
return (NULL);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Current walk_state %p\n",
- thread->walk_state_list));
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current walk_state %p\n",
+ thread->walk_state_list));
return (thread->walk_state_list);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_push_walk_state
*
* PARAMETERS: walk_state - State to push
- * walk_list - The list that owns the walk stack
+ * Thread - Thread state object
*
* RETURN: None
*
- * DESCRIPTION: Place the walk_state at the head of the state list.
+ * DESCRIPTION: Place the Thread state at the head of the state list.
*
******************************************************************************/
void
-acpi_ds_push_walk_state (
- struct acpi_walk_state *walk_state,
- struct acpi_thread_state *thread)
+acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
+ struct acpi_thread_state *thread)
{
- ACPI_FUNCTION_TRACE ("ds_push_walk_state");
+ ACPI_FUNCTION_TRACE("ds_push_walk_state");
-
- walk_state->next = thread->walk_state_list;
+ walk_state->next = thread->walk_state_list;
thread->walk_state_list = walk_state;
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_pop_walk_state
*
- * PARAMETERS: walk_list - The list that owns the walk stack
+ * PARAMETERS: Thread - Current thread state
*
- * RETURN: A walk_state object popped from the stack
+ * RETURN: A walk_state object popped from the thread's stack
*
* DESCRIPTION: Remove and return the walkstate object that is at the head of
* the walk stack for the given walk list. NULL indicates that
*
******************************************************************************/
-struct acpi_walk_state *
-acpi_ds_pop_walk_state (
- struct acpi_thread_state *thread)
+struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
{
- struct acpi_walk_state *walk_state;
-
-
- ACPI_FUNCTION_TRACE ("ds_pop_walk_state");
+ struct acpi_walk_state *walk_state;
+ ACPI_FUNCTION_TRACE("ds_pop_walk_state");
walk_state = thread->walk_state_list;
/*
* Don't clear the NEXT field, this serves as an indicator
* that there is a parent WALK STATE
- * NO: walk_state->Next = NULL;
+ * Do Not: walk_state->Next = NULL;
*/
}
- return_PTR (walk_state);
+ return_PTR(walk_state);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_walk_state
*
- * PARAMETERS: Origin - Starting point for this walk
+ * PARAMETERS: owner_id - ID for object creation
+ * Origin - Starting point for this walk
+ * mth_desc - Method object
* Thread - Current thread state
*
* RETURN: Pointer to the new walk state.
*
******************************************************************************/
-struct acpi_walk_state *
-acpi_ds_create_walk_state (
- acpi_owner_id owner_id,
- union acpi_parse_object *origin,
- union acpi_operand_object *mth_desc,
- struct acpi_thread_state *thread)
+struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
+ union acpi_parse_object
+ *origin,
+ union acpi_operand_object
+ *mth_desc,
+ struct acpi_thread_state
+ *thread)
{
- struct acpi_walk_state *walk_state;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ds_create_walk_state");
+ struct acpi_walk_state *walk_state;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ds_create_walk_state");
- walk_state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_WALK);
+ walk_state = ACPI_MEM_CALLOCATE(sizeof(struct acpi_walk_state));
if (!walk_state) {
- return_PTR (NULL);
+ return_PTR(NULL);
}
- walk_state->data_type = ACPI_DESC_TYPE_WALK;
- walk_state->owner_id = owner_id;
- walk_state->origin = origin;
- walk_state->method_desc = mth_desc;
- walk_state->thread = thread;
+ walk_state->data_type = ACPI_DESC_TYPE_WALK;
+ walk_state->owner_id = owner_id;
+ walk_state->origin = origin;
+ walk_state->method_desc = mth_desc;
+ walk_state->thread = thread;
walk_state->parser_state.start_op = origin;
/* Init the method args/local */
#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
- acpi_ds_method_data_init (walk_state);
+ acpi_ds_method_data_init(walk_state);
#endif
/* Create an initial result stack entry */
- status = acpi_ds_result_stack_push (walk_state);
- if (ACPI_FAILURE (status)) {
- acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
- return_PTR (NULL);
+ status = acpi_ds_result_stack_push(walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_MEM_FREE(walk_state);
+ return_PTR(NULL);
}
/* Put the new state at the head of the walk list */
if (thread) {
- acpi_ds_push_walk_state (walk_state, thread);
+ acpi_ds_push_walk_state(walk_state, thread);
}
- return_PTR (walk_state);
+ return_PTR(walk_state);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_init_aml_walk
* method_node - Control method NS node, if any
* aml_start - Start of AML
* aml_length - Length of AML
- * Params - Method args, if any
- * return_obj_desc - Where to store a return object, if any
+ * Info - Method info block (params, etc.)
* pass_number - 1, 2, or 3
*
* RETURN: Status
******************************************************************************/
acpi_status
-acpi_ds_init_aml_walk (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op,
- struct acpi_namespace_node *method_node,
- u8 *aml_start,
- u32 aml_length,
- struct acpi_parameter_info *info,
- u32 pass_number)
+acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ struct acpi_namespace_node *method_node,
+ u8 * aml_start,
+ u32 aml_length,
+ struct acpi_parameter_info *info, u8 pass_number)
{
- acpi_status status;
- struct acpi_parse_state *parser_state = &walk_state->parser_state;
- union acpi_parse_object *extra_op;
-
-
- ACPI_FUNCTION_TRACE ("ds_init_aml_walk");
+ acpi_status status;
+ struct acpi_parse_state *parser_state = &walk_state->parser_state;
+ union acpi_parse_object *extra_op;
+ ACPI_FUNCTION_TRACE("ds_init_aml_walk");
- walk_state->parser_state.aml =
- walk_state->parser_state.aml_start = aml_start;
+ walk_state->parser_state.aml =
+ walk_state->parser_state.aml_start = aml_start;
walk_state->parser_state.aml_end =
- walk_state->parser_state.pkg_end = aml_start + aml_length;
+ walk_state->parser_state.pkg_end = aml_start + aml_length;
/* The next_op of the next_walk will be the beginning of the method */
- walk_state->next_op = NULL;
+ walk_state->next_op = NULL;
+ walk_state->pass_number = pass_number;
if (info) {
if (info->parameter_type == ACPI_PARAM_GPE) {
- walk_state->gpe_event_info = ACPI_CAST_PTR (struct acpi_gpe_event_info,
- info->parameters);
- }
- else {
- walk_state->params = info->parameters;
- walk_state->caller_return_desc = &info->return_object;
+ walk_state->gpe_event_info =
+ ACPI_CAST_PTR(struct acpi_gpe_event_info,
+ info->parameters);
+ } else {
+ walk_state->params = info->parameters;
+ walk_state->caller_return_desc = &info->return_object;
}
}
- status = acpi_ps_init_scope (&walk_state->parser_state, op);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ps_init_scope(&walk_state->parser_state, op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
if (method_node) {
walk_state->parser_state.start_node = method_node;
- walk_state->walk_type = ACPI_WALK_METHOD;
- walk_state->method_node = method_node;
- walk_state->method_desc = acpi_ns_get_attached_object (method_node);
+ walk_state->walk_type = ACPI_WALK_METHOD;
+ walk_state->method_node = method_node;
+ walk_state->method_desc =
+ acpi_ns_get_attached_object(method_node);
/* Push start scope on scope stack and make it current */
- status = acpi_ds_scope_stack_push (method_node, ACPI_TYPE_METHOD, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_ds_scope_stack_push(method_node, ACPI_TYPE_METHOD,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Init the method arguments */
- status = acpi_ds_method_data_init_args (walk_state->params, ACPI_METHOD_NUM_ARGS, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_method_data_init_args(walk_state->params,
+ ACPI_METHOD_NUM_ARGS,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- }
- else {
+ } else {
/*
* Setup the current scope.
* Find a Named Op that has a namespace node associated with it.
if (!extra_op) {
parser_state->start_node = NULL;
- }
- else {
+ } else {
parser_state->start_node = extra_op->common.node;
}
if (parser_state->start_node) {
/* Push start scope on scope stack and make it current */
- status = acpi_ds_scope_stack_push (parser_state->start_node,
- parser_state->start_node->type, walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status =
+ acpi_ds_scope_stack_push(parser_state->start_node,
+ parser_state->start_node->
+ type, walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
}
- status = acpi_ds_init_callbacks (walk_state, pass_number);
- return_ACPI_STATUS (status);
+ status = acpi_ds_init_callbacks(walk_state, pass_number);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_delete_walk_state
*
******************************************************************************/
-void
-acpi_ds_delete_walk_state (
- struct acpi_walk_state *walk_state)
+void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ds_delete_walk_state", walk_state);
+ union acpi_generic_state *state;
+ ACPI_FUNCTION_TRACE_PTR("ds_delete_walk_state", walk_state);
if (!walk_state) {
return;
}
if (walk_state->data_type != ACPI_DESC_TYPE_WALK) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", walk_state));
+ ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
+ walk_state));
return;
}
if (walk_state->parser_state.scope) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", walk_state));
+ ACPI_ERROR((AE_INFO, "%p walk still has a scope list",
+ walk_state));
}
/* Always must free any linked control states */
state = walk_state->control_state;
walk_state->control_state = state->common.next;
- acpi_ut_delete_generic_state (state);
+ acpi_ut_delete_generic_state(state);
}
/* Always must free any linked parse states */
state = walk_state->scope_info;
walk_state->scope_info = state->common.next;
- acpi_ut_delete_generic_state (state);
+ acpi_ut_delete_generic_state(state);
}
/* Always must free any stacked result states */
state = walk_state->results;
walk_state->results = state->common.next;
- acpi_ut_delete_generic_state (state);
+ acpi_ut_delete_generic_state(state);
}
- acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+ ACPI_MEM_FREE(walk_state);
return_VOID;
}
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_result_insert
+ *
+ * PARAMETERS: Object - Object to push
+ * Index - Where to insert the object
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Insert an object onto this walk's result stack
+ *
+ ******************************************************************************/
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/******************************************************************************
+acpi_status
+acpi_ds_result_insert(void *object,
+ u32 index, struct acpi_walk_state *walk_state)
+{
+ union acpi_generic_state *state;
+
+ ACPI_FUNCTION_NAME("ds_result_insert");
+
+ state = walk_state->results;
+ if (!state) {
+ ACPI_ERROR((AE_INFO, "No result object pushed! State=%p",
+ walk_state));
+ return (AE_NOT_EXIST);
+ }
+
+ if (index >= ACPI_OBJ_NUM_OPERANDS) {
+ ACPI_ERROR((AE_INFO,
+ "Index out of range: %X Obj=%p State=%p Num=%X",
+ index, object, walk_state,
+ state->results.num_results));
+ return (AE_BAD_PARAMETER);
+ }
+
+ if (!object) {
+ ACPI_ERROR((AE_INFO,
+ "Null Object! Index=%X Obj=%p State=%p Num=%X",
+ index, object, walk_state,
+ state->results.num_results));
+ return (AE_BAD_PARAMETER);
+ }
+
+ state->results.obj_desc[index] = object;
+ state->results.num_results++;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
+ object,
+ object ?
+ acpi_ut_get_object_type_name((union
+ acpi_operand_object *)
+ object) : "NULL",
+ walk_state, state->results.num_results,
+ walk_state->current_result));
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
*
- * FUNCTION: acpi_ds_delete_walk_state_cache
+ * FUNCTION: acpi_ds_obj_stack_delete_all
*
- * PARAMETERS: None
+ * PARAMETERS: walk_state - Current Walk state
*
* RETURN: Status
*
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
+ * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
+ * Should be used with great care, if at all!
*
******************************************************************************/
-void
-acpi_ds_delete_walk_state_cache (
- void)
+acpi_status acpi_ds_obj_stack_delete_all(struct acpi_walk_state * walk_state)
{
- ACPI_FUNCTION_TRACE ("ds_delete_walk_state_cache");
+ u32 i;
+ ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_delete_all", walk_state);
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_WALK);
- return_VOID;
+ /* The stack size is configurable, but fixed */
+
+ for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
+ if (walk_state->operands[i]) {
+ acpi_ut_remove_reference(walk_state->operands[i]);
+ walk_state->operands[i] = NULL;
+ }
+ }
+
+ return_ACPI_STATUS(AE_OK);
}
-#endif
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_obj_stack_pop_object
+ *
+ * PARAMETERS: Object - Where to return the popped object
+ * walk_state - Current Walk state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT
+ * deleted by this routine.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
+ struct acpi_walk_state *walk_state)
+{
+ ACPI_FUNCTION_NAME("ds_obj_stack_pop_object");
+
+ /* Check for stack underflow */
+
+ if (walk_state->num_operands == 0) {
+ ACPI_ERROR((AE_INFO,
+ "Missing operand/stack empty! State=%p #Ops=%X",
+ walk_state, walk_state->num_operands));
+ *object = NULL;
+ return (AE_AML_NO_OPERAND);
+ }
+
+ /* Pop the stack */
+
+ walk_state->num_operands--;
+
+ /* Check for a valid operand */
+
+ if (!walk_state->operands[walk_state->num_operands]) {
+ ACPI_ERROR((AE_INFO,
+ "Null operand! State=%p #Ops=%X",
+ walk_state, walk_state->num_operands));
+ *object = NULL;
+ return (AE_AML_NO_OPERAND);
+ }
+
+ /* Get operand and set stack entry to null */
+
+ *object = walk_state->operands[walk_state->num_operands];
+ walk_state->operands[walk_state->num_operands] = NULL;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
+ *object, acpi_ut_get_object_type_name(*object),
+ walk_state, walk_state->num_operands));
+
+ return (AE_OK);
+}
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_obj_stack_get_value
+ *
+ * PARAMETERS: Index - Stack index whose value is desired. Based
+ * on the top of the stack (index=0 == top)
+ * walk_state - Current Walk state
+ *
+ * RETURN: Pointer to the requested operand
+ *
+ * DESCRIPTION: Retrieve an object from this walk's operand stack. Index must
+ * be within the range of the current stack pointer.
+ *
+ ******************************************************************************/
+
+void *acpi_ds_obj_stack_get_value(u32 index, struct acpi_walk_state *walk_state)
+{
+
+ ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_get_value", walk_state);
+
+ /* Can't do it if the stack is empty */
+
+ if (walk_state->num_operands == 0) {
+ return_PTR(NULL);
+ }
+
+ /* or if the index is past the top of the stack */
+
+ if (index > (walk_state->num_operands - (u32) 1)) {
+ return_PTR(NULL);
+ }
+
+ return_PTR(walk_state->
+ operands[(acpi_native_uint) (walk_state->num_operands - 1) -
+ index]);
+}
+#endif
git://git.onelab.eu / linux-2.6.git / blobdiff