^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Module Name: dsobject - Dispatcher object management routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "acparser.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "amlcode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "acdispat.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "acinterp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define _COMPONENT ACPI_DISPATCHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ACPI_MODULE_NAME("dsobject")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * FUNCTION: acpi_ds_build_internal_object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * PARAMETERS: walk_state - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * op - Parser object to be translated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * obj_desc_ptr - Where the ACPI internal object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * Simple objects are any objects other than a package object!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) union acpi_parse_object *op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) union acpi_operand_object **obj_desc_ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) union acpi_operand_object *obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) ACPI_FUNCTION_TRACE(ds_build_internal_object);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) *obj_desc_ptr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * This is a named object reference. If this name was
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * previously looked up in the namespace, it was stored in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * this op. Otherwise, go ahead and look it up now
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (!op->common.node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* Check if we are resolving a named reference within a package */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if ((op->common.parent->common.aml_opcode ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) AML_PACKAGE_OP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) || (op->common.parent->common.aml_opcode ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) AML_VARIABLE_PACKAGE_OP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * We won't resolve package elements here, we will do this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * after all ACPI tables are loaded into the namespace. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * behavior supports both forward references to named objects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * and external references to objects in other tables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) goto create_new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) status = acpi_ns_lookup(walk_state->scope_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) op->common.value.string,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ACPI_TYPE_ANY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ACPI_IMODE_EXECUTE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ACPI_NS_SEARCH_PARENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) ACPI_NS_DONT_OPEN_SCOPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) ACPI_CAST_INDIRECT_PTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) (struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) acpi_namespace_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) &(op->common.node)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ACPI_ERROR_NAMESPACE(walk_state->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) scope_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) op->common.value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) string, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) create_new_object:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Create and init a new internal ACPI object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) (op->common.aml_opcode))->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) object_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (!obj_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) acpi_ds_init_object_from_op(walk_state, op, op->common.aml_opcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) &obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) acpi_ut_remove_reference(obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * Handling for unresolved package reference elements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * These are elements that are namepaths.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) (op->common.parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) obj_desc->reference.resolved = TRUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if ((op->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) !obj_desc->reference.node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * Name was unresolved above.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * Get the prefix node for later lookup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) obj_desc->reference.node =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) walk_state->scope_info->scope.node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) obj_desc->reference.aml = op->common.aml;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) obj_desc->reference.resolved = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) *obj_desc_ptr = obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * FUNCTION: acpi_ds_build_internal_buffer_obj
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * PARAMETERS: walk_state - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * op - Parser object to be translated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * buffer_length - Length of the buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) * obj_desc_ptr - Where the ACPI internal object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * DESCRIPTION: Translate a parser Op package object to the equivalent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * namespace object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) union acpi_parse_object *op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) u32 buffer_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) union acpi_operand_object **obj_desc_ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) union acpi_parse_object *arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) union acpi_operand_object *obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) union acpi_parse_object *byte_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) u32 byte_list_length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * The buffer object already exists (from the NS node), otherwise it must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) * be created.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) obj_desc = *obj_desc_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (!obj_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) /* Create a new buffer object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) *obj_desc_ptr = obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (!obj_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * Second arg is the buffer data (optional) byte_list can be either
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * individual bytes or a string initializer. In either case, a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * byte_list appears in the AML.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) arg = op->common.value.arg; /* skip first arg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) byte_list = arg->named.next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (byte_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) "Expecting bytelist, found AML opcode 0x%X in op %p",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) byte_list->common.aml_opcode, byte_list));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) acpi_ut_remove_reference(obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return (AE_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) byte_list_length = (u32) byte_list->common.value.integer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * The buffer length (number of bytes) will be the larger of:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * 1) The specified buffer length and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * 2) The length of the initializer byte list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) obj_desc->buffer.length = buffer_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (byte_list_length > buffer_length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) obj_desc->buffer.length = byte_list_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* Allocate the buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (obj_desc->buffer.length == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) obj_desc->buffer.pointer = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) "Buffer defined with zero length in AML, creating\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) obj_desc->buffer.pointer =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (!obj_desc->buffer.pointer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) acpi_ut_delete_object_desc(obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) /* Initialize buffer from the byte_list (if present) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (byte_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) memcpy(obj_desc->buffer.pointer, byte_list->named.data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) byte_list_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) obj_desc->buffer.flags |= AOPOBJ_DATA_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * FUNCTION: acpi_ds_create_node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * PARAMETERS: walk_state - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) * node - NS Node to be initialized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) * op - Parser object to be translated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * DESCRIPTION: Create the object to be associated with a namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) acpi_ds_create_node(struct acpi_walk_state *walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct acpi_namespace_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) union acpi_parse_object *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) union acpi_operand_object *obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) ACPI_FUNCTION_TRACE_PTR(ds_create_node, op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) * Because of the execution pass through the non-control-method
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * parts of the table, we can arrive here twice. Only init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * the named object node the first time through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (acpi_ns_get_attached_object(node)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (!op->common.value.arg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* No arguments, there is nothing to do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /* Build an internal object for the argument(s) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) acpi_ds_build_internal_object(walk_state, op->common.value.arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) &obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) /* Re-type the object according to its argument */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) node->type = obj_desc->common.type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /* Attach obj to node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) status = acpi_ns_attach_object(node, obj_desc, node->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) /* Remove local reference to the object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) acpi_ut_remove_reference(obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) * FUNCTION: acpi_ds_init_object_from_op
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * PARAMETERS: walk_state - Current walk state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) * op - Parser op used to init the internal object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) * opcode - AML opcode associated with the object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) * ret_obj_desc - Namespace object to be initialized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) * DESCRIPTION: Initialize a namespace object from a parser Op and its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * associated arguments. The namespace object is a more compact
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * representation of the Op and its arguments.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) union acpi_parse_object *op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) u16 opcode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) union acpi_operand_object **ret_obj_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) const struct acpi_opcode_info *op_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) union acpi_operand_object *obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ACPI_FUNCTION_TRACE(ds_init_object_from_op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) obj_desc = *ret_obj_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) op_info = acpi_ps_get_opcode_info(opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (op_info->class == AML_CLASS_UNKNOWN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /* Unknown opcode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return_ACPI_STATUS(AE_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) /* Perform per-object initialization */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) switch (obj_desc->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) * Defer evaluation of Buffer term_arg operand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) obj_desc->buffer.node =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) ACPI_CAST_PTR(struct acpi_namespace_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) walk_state->operands[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) obj_desc->buffer.aml_start = op->named.data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) obj_desc->buffer.aml_length = op->named.length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) case ACPI_TYPE_PACKAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) * Defer evaluation of Package term_arg operand and all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) * package elements. (01/2017): We defer the element
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) * resolution to allow forward references from the package
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) * in order to provide compatibility with other ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) * implementations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) obj_desc->package.node =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ACPI_CAST_PTR(struct acpi_namespace_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) walk_state->operands[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (!op->named.data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) obj_desc->package.aml_start = op->named.data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) obj_desc->package.aml_length = op->named.length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) switch (op_info->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) case AML_TYPE_CONSTANT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * Resolve AML Constants here - AND ONLY HERE!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * All constants are integers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * We mark the integer with a flag that indicates that it started
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) * life as a constant -- so that stores to constants will perform
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) * as expected (noop). zero_op is used as a placeholder for optional
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * target operands.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) switch (opcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) case AML_ZERO_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) obj_desc->integer.value = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) case AML_ONE_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) obj_desc->integer.value = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) case AML_ONES_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) obj_desc->integer.value = ACPI_UINT64_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) /* Truncate value if we are executing from a 32-bit ACPI table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) (void)acpi_ex_truncate_for32bit_table(obj_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) case AML_REVISION_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) obj_desc->integer.value = ACPI_CA_VERSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) "Unknown constant opcode 0x%X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) opcode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) status = AE_AML_OPERAND_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) case AML_TYPE_LITERAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) obj_desc->integer.value = op->common.value.integer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) if (acpi_ex_truncate_for32bit_table(obj_desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) /* Warn if we found a 64-bit constant in a 32-bit table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) ACPI_WARNING((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) ACPI_FORMAT_UINT64(op->common.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) value.integer),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) (u32)obj_desc->integer.value));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) ACPI_ERROR((AE_INFO, "Unknown Integer type 0x%X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) op_info->type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) status = AE_AML_OPERAND_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) obj_desc->string.pointer = op->common.value.string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) obj_desc->string.length = (u32)strlen(op->common.value.string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * The string is contained in the ACPI table, don't ever try
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * to delete it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) obj_desc->common.flags |= AOPOBJ_STATIC_POINTER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) case ACPI_TYPE_METHOD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) case ACPI_TYPE_LOCAL_REFERENCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) switch (op_info->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) case AML_TYPE_LOCAL_VARIABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) /* Local ID (0-7) is (AML opcode - base AML_FIRST_LOCAL_OP) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) obj_desc->reference.value =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) ((u32)opcode) - AML_FIRST_LOCAL_OP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) obj_desc->reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) value, walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) ACPI_CAST_INDIRECT_PTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) (struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) acpi_namespace_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) &obj_desc->reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) object));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) case AML_TYPE_METHOD_ARGUMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /* Arg ID (0-6) is (AML opcode - base AML_FIRST_ARG_OP) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) obj_desc->reference.value =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) ((u32)opcode) - AML_FIRST_ARG_OP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) obj_desc->reference.class = ACPI_REFCLASS_ARG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) obj_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) reference.value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) walk_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ACPI_CAST_INDIRECT_PTR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) (struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) acpi_namespace_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) &obj_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) object));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) default: /* Object name or Debug object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) switch (op->common.aml_opcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) case AML_INT_NAMEPATH_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) /* Node was saved in Op */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) obj_desc->reference.node = op->common.node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) obj_desc->reference.class = ACPI_REFCLASS_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) if (op->common.node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) obj_desc->reference.object =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) op->common.node->object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) case AML_DEBUG_OP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) obj_desc->reference.class = ACPI_REFCLASS_DEBUG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) "Unimplemented reference type for AML opcode: 0x%4.4X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) opcode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) ACPI_ERROR((AE_INFO, "Unimplemented data type: 0x%X",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) obj_desc->common.type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) status = AE_AML_OPERAND_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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