ACPICA: debugger: add command to dump all fields of particular subtype (5fd03328) · Commits · EulixOS / Software / Kernel

drivers/acpi/acpica/acdebug.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -148,6 +148,8 @@ void acpi_db_find_references(char *object_arg);

		void acpi_db_get_bus_info(void);

		acpi_status acpi_db_display_fields(u32 address_space_id);

		/*
		* dbdisply - debug display commands
		*/

drivers/acpi/acpica/acstruct.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -192,6 +192,16 @@ struct acpi_device_walk_info {
		u32 num_INI;
		};

		/* Info used by Acpi acpi_db_display_fields */

		struct acpi_region_walk_info {
		u32 debug_level;
		u32 count;
		acpi_owner_id owner_id;
		u8 display_type;
		u32 address_space_id;
		};

		/* TBD: [Restructure] Merge with struct above */

		struct acpi_walk_info {

drivers/acpi/acpica/dbinput.c

+20 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@ enum acpi_ex_debugger_commands {
		CMD_EVALUATE,
		CMD_EXECUTE,
		CMD_EXIT,
		CMD_FIELDS,
		CMD_FIND,
		CMD_GO,
		CMD_HANDLERS,
		@@ -127,6 +128,7 @@ static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
		{"EVALUATE", 1},
		{"EXECUTE", 1},
		{"EXIT", 0},
		{"FIELDS", 1},
		{"FIND", 1},
		{"GO", 0},
		{"HANDLERS", 0},
		@@ -200,6 +202,8 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
		"Find ACPI name(s) with wildcards\n"},
		{1, " Integrity", "Validate namespace integrity\n"},
		{1, " Methods", "Display list of loaded control methods\n"},
		{1, " Fields <AddressSpaceId>",
		"Display list of loaded field units by space ID\n"},
		{1, " Namespace [Object] [Depth]",
		"Display loaded namespace tree/subtree\n"},
		{1, " Notify <Object> <Value>", "Send a notification on Object\n"},
		@@ -674,6 +678,7 @@ acpi_db_command_dispatch(char *input_buffer,
		union acpi_parse_object *op)
		{
		u32 temp;
		u64 temp64;
		u32 command_index;
		u32 param_count;
		char *command_line;
		@@ -789,6 +794,21 @@ acpi_db_command_dispatch(char *input_buffer,
		status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]);
		break;

		case CMD_FIELDS:

		status = acpi_ut_strtoul64(acpi_gbl_db_args[1], &temp64);

		if (ACPI_FAILURE(status)
		\|\| temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
		acpi_os_printf
		("Invalid adress space ID: must be between 0 and %u inclusive\n",
		ACPI_NUM_PREDEFINED_REGIONS - 1);
		return (AE_OK);
		}

		status = acpi_db_display_fields((u32)temp64);
		break;

		case CMD_GO:

		acpi_gbl_cm_single_step = FALSE;

drivers/acpi/acpica/dbnames.c

+109 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@
		#include "acnamesp.h"
		#include "acdebug.h"
		#include "acpredef.h"
		#include "acinterp.h"

		#define _COMPONENT ACPI_CA_DEBUGGER
		ACPI_MODULE_NAME("dbnames")
		@@ -502,6 +503,81 @@ acpi_db_walk_for_object_counts(acpi_handle obj_handle,
		return (AE_OK);
		}

		/*******************************************************************************
		*
		* FUNCTION: acpi_db_walk_for_fields
		*
		* PARAMETERS: Callback from walk_namespace
		*
		* RETURN: Status
		*
		* DESCRIPTION: Display short info about objects in the namespace
		*
		******************************************************************************/

		static acpi_status
		acpi_db_walk_for_fields(acpi_handle obj_handle,
		u32 nesting_level, void context, void *return_value)
		{
		union acpi_object *ret_value;
		struct acpi_region_walk_info *info =
		(struct acpi_region_walk_info *)context;
		struct acpi_buffer buffer;
		acpi_status status;
		struct acpi_namespace_node *node = acpi_ns_validate_handle(obj_handle);

		if (!node) {
		return (AE_OK);
		}
		if (node->object->field.region_obj->region.space_id !=
		info->address_space_id) {
		return (AE_OK);
		}

		info->count++;

		/* Get and display the full pathname to this object */

		buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
		status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
		if (ACPI_FAILURE(status)) {
		acpi_os_printf("Could Not get pathname for object %p\n",
		obj_handle);
		return (AE_OK);
		}

		acpi_os_printf("%s ", (char *)buffer.pointer);
		ACPI_FREE(buffer.pointer);

		buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
		acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);

		ret_value = (union acpi_object *)buffer.pointer;
		switch (ret_value->type) {
		case ACPI_TYPE_INTEGER:

		acpi_os_printf("%8.8X%8.8X",
		ACPI_FORMAT_UINT64(ret_value->integer.value));
		break;

		case ACPI_TYPE_BUFFER:

		acpi_ut_dump_buffer(ret_value->buffer.pointer,
		ret_value->buffer.length,
		DB_DISPLAY_DATA_ONLY \| DB_BYTE_DISPLAY, 0);
		break;

		default:

		break;
		}
		acpi_os_printf("\n");

		ACPI_FREE(buffer.pointer);

		return (AE_OK);
		}

		/*******************************************************************************
		*
		* FUNCTION: acpi_db_walk_for_specific_objects
		@@ -628,6 +704,39 @@ acpi_status acpi_db_display_objects(char obj_type_arg, char display_count_arg)
		return (AE_OK);
		}

		/*******************************************************************************
		*
		* FUNCTION: acpi_db_display_fields
		*
		* PARAMETERS: obj_type_arg - Type of object to display
		* display_count_arg - Max depth to display
		*
		* RETURN: None
		*
		* DESCRIPTION: Display objects in the namespace of the requested type
		*
		******************************************************************************/

		acpi_status acpi_db_display_fields(u32 address_space_id)
		{
		struct acpi_region_walk_info info;

		info.count = 0;
		info.owner_id = ACPI_OWNER_ID_MAX;
		info.debug_level = ACPI_UINT32_MAX;
		info.display_type = ACPI_DISPLAY_SUMMARY \| ACPI_DISPLAY_SHORT;
		info.address_space_id = address_space_id;

		/* Walk the namespace from the root */

		(void)acpi_walk_namespace(ACPI_TYPE_LOCAL_REGION_FIELD,
		ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
		acpi_db_walk_for_fields, NULL, (void *)&info,
		NULL);

		return (AE_OK);
		}

		/*******************************************************************************
		*
		* FUNCTION: acpi_db_integrity_walk