*****************************************************************************/
/*
- * 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/acdispat.h>
-
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dswscope")
-
-
-#define STACK_POP(head) head
-
+ACPI_MODULE_NAME("dswscope")
/****************************************************************************
*
* FUNCTION: acpi_ds_scope_stack_clear
*
- * PARAMETERS: None
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: None
*
* DESCRIPTION: Pop (and free) everything on the scope stack except the
* root scope object (which remains at the stack top.)
*
***************************************************************************/
-
-void
-acpi_ds_scope_stack_clear (
- struct acpi_walk_state *walk_state)
+void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state)
{
- union acpi_generic_state *scope_info;
-
- ACPI_FUNCTION_NAME ("ds_scope_stack_clear");
+ union acpi_generic_state *scope_info;
+ ACPI_FUNCTION_NAME("ds_scope_stack_clear");
while (walk_state->scope_info) {
/* Pop a scope off the stack */
scope_info = walk_state->scope_info;
walk_state->scope_info = scope_info->scope.next;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Popped object type (%s)\n", acpi_ut_get_type_name (scope_info->common.value)));
- acpi_ut_delete_generic_state (scope_info);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Popped object type (%s)\n",
+ acpi_ut_get_type_name(scope_info->common.
+ value)));
+ acpi_ut_delete_generic_state(scope_info);
}
}
-
/****************************************************************************
*
* FUNCTION: acpi_ds_scope_stack_push
*
- * PARAMETERS: *Node, - Name to be made current
- * Type, - Type of frame being pushed
+ * PARAMETERS: Node - Name to be made current
+ * Type - Type of frame being pushed
+ * walk_state - Current state
+ *
+ * RETURN: Status
*
* DESCRIPTION: Push the current scope on the scope stack, and make the
* passed Node current.
***************************************************************************/
acpi_status
-acpi_ds_scope_stack_push (
- struct acpi_namespace_node *node,
- acpi_object_type type,
- struct acpi_walk_state *walk_state)
+acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
+ acpi_object_type type,
+ struct acpi_walk_state *walk_state)
{
- union acpi_generic_state *scope_info;
- union acpi_generic_state *old_scope_info;
-
-
- ACPI_FUNCTION_TRACE ("ds_scope_stack_push");
+ union acpi_generic_state *scope_info;
+ union acpi_generic_state *old_scope_info;
+ ACPI_FUNCTION_TRACE("ds_scope_stack_push");
if (!node) {
/* Invalid scope */
- ACPI_REPORT_ERROR (("ds_scope_stack_push: null scope passed\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_ERROR((AE_INFO, "Null scope parameter"));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Make sure object type is valid */
- if (!acpi_ut_valid_object_type (type)) {
- ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type));
+ if (!acpi_ut_valid_object_type(type)) {
+ ACPI_WARNING((AE_INFO, "Invalid object type: 0x%X", type));
}
/* Allocate a new scope object */
- scope_info = acpi_ut_create_generic_state ();
+ scope_info = acpi_ut_create_generic_state();
if (!scope_info) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Init new scope object */
scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE;
- scope_info->scope.node = node;
- scope_info->common.value = (u16) type;
+ scope_info->scope.node = node;
+ scope_info->common.value = (u16) type;
walk_state->scope_depth++;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[%.2d] Pushed scope ", (u32) walk_state->scope_depth));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%.2d] Pushed scope ",
+ (u32) walk_state->scope_depth));
old_scope_info = walk_state->scope_info;
if (old_scope_info) {
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
- "[%4.4s] (%s)",
- acpi_ut_get_node_name (old_scope_info->scope.node),
- acpi_ut_get_type_name (old_scope_info->common.value)));
- }
- else {
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
- "[\\___] (%s)", "ROOT"));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ "[%4.4s] (%s)",
+ acpi_ut_get_node_name(old_scope_info->
+ scope.node),
+ acpi_ut_get_type_name(old_scope_info->
+ common.value)));
+ } else {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (%s)", "ROOT"));
}
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
- ", New scope -> [%4.4s] (%s)\n",
- acpi_ut_get_node_name (scope_info->scope.node),
- acpi_ut_get_type_name (scope_info->common.value)));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ ", New scope -> [%4.4s] (%s)\n",
+ acpi_ut_get_node_name(scope_info->scope.node),
+ acpi_ut_get_type_name(scope_info->common.value)));
/* Push new scope object onto stack */
- acpi_ut_push_generic_state (&walk_state->scope_info, scope_info);
- return_ACPI_STATUS (AE_OK);
+ acpi_ut_push_generic_state(&walk_state->scope_info, scope_info);
+ return_ACPI_STATUS(AE_OK);
}
-
/****************************************************************************
*
* FUNCTION: acpi_ds_scope_stack_pop
*
- * PARAMETERS: Type - The type of frame to be found
+ * PARAMETERS: walk_state - Current state
*
- * DESCRIPTION: Pop the scope stack until a frame of the requested type
- * is found.
+ * RETURN: Status
*
- * RETURN: Count of frames popped. If no frame of the requested type
- * was found, the count is returned as a negative number and
- * the scope stack is emptied (which sets the current scope
- * to the root). If the scope stack was empty at entry, the
- * function is a no-op and returns 0.
+ * DESCRIPTION: Pop the scope stack once.
*
***************************************************************************/
-acpi_status
-acpi_ds_scope_stack_pop (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state)
{
- union acpi_generic_state *scope_info;
- union acpi_generic_state *new_scope_info;
-
-
- ACPI_FUNCTION_TRACE ("ds_scope_stack_pop");
+ union acpi_generic_state *scope_info;
+ union acpi_generic_state *new_scope_info;
+ ACPI_FUNCTION_TRACE("ds_scope_stack_pop");
/*
* Pop scope info object off the stack.
*/
- scope_info = acpi_ut_pop_generic_state (&walk_state->scope_info);
+ scope_info = acpi_ut_pop_generic_state(&walk_state->scope_info);
if (!scope_info) {
- return_ACPI_STATUS (AE_STACK_UNDERFLOW);
+ return_ACPI_STATUS(AE_STACK_UNDERFLOW);
}
walk_state->scope_depth--;
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
- (u32) walk_state->scope_depth,
- acpi_ut_get_node_name (scope_info->scope.node),
- acpi_ut_get_type_name (scope_info->common.value)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%.2d] Popped scope [%4.4s] (%s), New scope -> ",
+ (u32) walk_state->scope_depth,
+ acpi_ut_get_node_name(scope_info->scope.node),
+ acpi_ut_get_type_name(scope_info->common.value)));
new_scope_info = walk_state->scope_info;
if (new_scope_info) {
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
- "[%4.4s] (%s)\n",
- acpi_ut_get_node_name (new_scope_info->scope.node),
- acpi_ut_get_type_name (new_scope_info->common.value)));
- }
- else {
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC,
- "[\\___] (ROOT)\n"));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC,
+ "[%4.4s] (%s)\n",
+ acpi_ut_get_node_name(new_scope_info->
+ scope.node),
+ acpi_ut_get_type_name(new_scope_info->
+ common.value)));
+ } else {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "[\\___] (ROOT)\n"));
}
- acpi_ut_delete_generic_state (scope_info);
- return_ACPI_STATUS (AE_OK);
+ acpi_ut_delete_generic_state(scope_info);
+ return_ACPI_STATUS(AE_OK);
}
-
-
git://git.onelab.eu / linux-2.6.git / blobdiff