This source file includes following definitions.
- ACPI_MODULE_NAME
- acpi_ps_append_arg
- acpi_ps_get_depth_next
- acpi_ps_get_child
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10 #include <acpi/acpi.h>
11 #include "accommon.h"
12 #include "acparser.h"
13 #include "amlcode.h"
14 #include "acconvert.h"
15
16 #define _COMPONENT ACPI_PARSER
17 ACPI_MODULE_NAME("pstree")
18
19
20 #ifdef ACPI_OBSOLETE_FUNCTIONS
21 union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op);
22 #endif
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37 union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
38 {
39 union acpi_parse_object *arg = NULL;
40 const struct acpi_opcode_info *op_info;
41
42 ACPI_FUNCTION_ENTRY();
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52 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
53 if (op_info->class == AML_CLASS_UNKNOWN) {
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57 return (NULL);
58 }
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62 if (!(op_info->flags & AML_HAS_ARGS)) {
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66 return (NULL);
67 }
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71 arg = op->common.value.arg;
72 while (arg && argn) {
73 argn--;
74 arg = arg->common.next;
75 }
76
77 return (arg);
78 }
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93 void
94 acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
95 {
96 union acpi_parse_object *prev_arg;
97 const struct acpi_opcode_info *op_info;
98
99 ACPI_FUNCTION_TRACE(ps_append_arg);
100
101 if (!op) {
102 return_VOID;
103 }
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107 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
108 if (op_info->class == AML_CLASS_UNKNOWN) {
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112 ACPI_ERROR((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
113 op->common.aml_opcode));
114 return_VOID;
115 }
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119 if (!(op_info->flags & AML_HAS_ARGS)) {
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123 return_VOID;
124 }
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128 if (op->common.value.arg) {
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132 prev_arg = op->common.value.arg;
133 while (prev_arg->common.next) {
134 prev_arg = prev_arg->common.next;
135 }
136 prev_arg->common.next = arg;
137 } else {
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140 op->common.value.arg = arg;
141 }
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145 while (arg) {
146 arg->common.parent = op;
147 arg = arg->common.next;
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149 op->common.arg_list_length++;
150 }
151
152 return_VOID;
153 }
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169 union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
170 union acpi_parse_object *op)
171 {
172 union acpi_parse_object *next = NULL;
173 union acpi_parse_object *parent;
174 union acpi_parse_object *arg;
175
176 ACPI_FUNCTION_ENTRY();
177
178 if (!op) {
179 return (NULL);
180 }
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184 next = acpi_ps_get_arg(op, 0);
185 if (next) {
186 ASL_CV_LABEL_FILENODE(next);
187 return (next);
188 }
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192 next = op->common.next;
193 if (next) {
194 ASL_CV_LABEL_FILENODE(next);
195 return (next);
196 }
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200 parent = op->common.parent;
201
202 while (parent) {
203 arg = acpi_ps_get_arg(parent, 0);
204 while (arg && (arg != origin) && (arg != op)) {
205
206 ASL_CV_LABEL_FILENODE(arg);
207 arg = arg->common.next;
208 }
209
210 if (arg == origin) {
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214 return (NULL);
215 }
216
217 if (parent->common.next) {
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221 ASL_CV_LABEL_FILENODE(parent->common.next);
222 return (parent->common.next);
223 }
224
225 op = parent;
226 parent = parent->common.parent;
227 }
228
229 ASL_CV_LABEL_FILENODE(next);
230 return (next);
231 }
232
233 #ifdef ACPI_OBSOLETE_FUNCTIONS
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246 union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op)
247 {
248 union acpi_parse_object *child = NULL;
249
250 ACPI_FUNCTION_ENTRY();
251
252 switch (op->common.aml_opcode) {
253 case AML_SCOPE_OP:
254 case AML_ELSE_OP:
255 case AML_DEVICE_OP:
256 case AML_THERMAL_ZONE_OP:
257 case AML_INT_METHODCALL_OP:
258
259 child = acpi_ps_get_arg(op, 0);
260 break;
261
262 case AML_BUFFER_OP:
263 case AML_PACKAGE_OP:
264 case AML_VARIABLE_PACKAGE_OP:
265 case AML_METHOD_OP:
266 case AML_IF_OP:
267 case AML_WHILE_OP:
268 case AML_FIELD_OP:
269
270 child = acpi_ps_get_arg(op, 1);
271 break;
272
273 case AML_POWER_RESOURCE_OP:
274 case AML_INDEX_FIELD_OP:
275
276 child = acpi_ps_get_arg(op, 2);
277 break;
278
279 case AML_PROCESSOR_OP:
280 case AML_BANK_FIELD_OP:
281
282 child = acpi_ps_get_arg(op, 3);
283 break;
284
285 default:
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288
289 break;
290 }
291
292 return (child);
293 }
294 #endif