ReactOS  0.4.15-dev-1206-g731eddf
exstoren.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "acinterp.h"
#include "amlcode.h"
Include dependency graph for exstoren.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_EXECUTER
 

Functions

ACPI_STATUS AcpiExResolveObject (ACPI_OPERAND_OBJECT **SourceDescPtr, ACPI_OBJECT_TYPE TargetType, ACPI_WALK_STATE *WalkState)
 
ACPI_STATUS AcpiExStoreObjectToObject (ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT *DestDesc, ACPI_OPERAND_OBJECT **NewDesc, ACPI_WALK_STATE *WalkState)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_EXECUTER

Definition at line 51 of file exstoren.c.

Function Documentation

◆ AcpiExResolveObject()

ACPI_STATUS AcpiExResolveObject ( ACPI_OPERAND_OBJECT **  SourceDescPtr,
ACPI_OBJECT_TYPE  TargetType,
ACPI_WALK_STATE WalkState 
)

Definition at line 71 of file exstoren.c.

75 {
76  ACPI_OPERAND_OBJECT *SourceDesc = *SourceDescPtr;
78 
79 
80  ACPI_FUNCTION_TRACE (ExResolveObject);
81 
82 
83  /* Ensure we have a Target that can be stored to */
84 
85  switch (TargetType)
86  {
91  /*
92  * These cases all require only Integers or values that
93  * can be converted to Integers (Strings or Buffers)
94  */
95  case ACPI_TYPE_INTEGER:
96  case ACPI_TYPE_STRING:
97  case ACPI_TYPE_BUFFER:
98  /*
99  * Stores into a Field/Region or into a Integer/Buffer/String
100  * are all essentially the same. This case handles the
101  * "interchangeable" types Integer, String, and Buffer.
102  */
103  if (SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE)
104  {
105  /* Resolve a reference object first */
106 
107  Status = AcpiExResolveToValue (SourceDescPtr, WalkState);
108  if (ACPI_FAILURE (Status))
109  {
110  break;
111  }
112  }
113 
114  /* For CopyObject, no further validation necessary */
115 
116  if (WalkState->Opcode == AML_COPY_OBJECT_OP)
117  {
118  break;
119  }
120 
121  /* Must have a Integer, Buffer, or String */
122 
123  if ((SourceDesc->Common.Type != ACPI_TYPE_INTEGER) &&
124  (SourceDesc->Common.Type != ACPI_TYPE_BUFFER) &&
125  (SourceDesc->Common.Type != ACPI_TYPE_STRING) &&
126  !((SourceDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) &&
127  (SourceDesc->Reference.Class== ACPI_REFCLASS_TABLE)))
128  {
129  /* Conversion successful but still not a valid type */
130 
132  "Cannot assign type [%s] to [%s] (must be type Int/Str/Buf)",
133  AcpiUtGetObjectTypeName (SourceDesc),
134  AcpiUtGetTypeName (TargetType)));
135 
137  }
138  break;
139 
142  /*
143  * All aliases should have been resolved earlier, during the
144  * operand resolution phase.
145  */
146  ACPI_ERROR ((AE_INFO, "Store into an unresolved Alias object"));
148  break;
149 
150  case ACPI_TYPE_PACKAGE:
151  default:
152  /*
153  * All other types than Alias and the various Fields come here,
154  * including the untyped case - ACPI_TYPE_ANY.
155  */
156  break;
157  }
158 
160 }
#define ACPI_TYPE_LOCAL_ALIAS
Definition: actypes.h:712
#define ACPI_TYPE_BUFFER
Definition: actypes.h:682
#define ACPI_TYPE_INTEGER
Definition: actypes.h:680
#define AE_AML_INTERNAL
Definition: acexcep.h:194
#define ACPI_TYPE_LOCAL_REFERENCE
Definition: actypes.h:711
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define AE_AML_OPERAND_TYPE
Definition: acexcep.h:182
#define ACPI_TYPE_LOCAL_INDEX_FIELD
Definition: actypes.h:710
#define ACPI_TYPE_PACKAGE
Definition: actypes.h:683
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_OBJECT_COMMON_HEADER UINT8 Class
Definition: acobject.h:441
#define AE_INFO
Definition: acoutput.h:230
#define ACPI_TYPE_LOCAL_METHOD_ALIAS
Definition: actypes.h:713
ACPI_OBJECT_REFERENCE Reference
Definition: acobject.h:538
#define AML_COPY_OBJECT_OP
Definition: amlcode.h:131
#define ACPI_TYPE_LOCAL_REGION_FIELD
Definition: actypes.h:708
Status
Definition: gdiplustypes.h:24
ACPI_STATUS AcpiExResolveToValue(ACPI_OPERAND_OBJECT **StackPtr, ACPI_WALK_STATE *WalkState)
Definition: exresolv.c:79
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define ACPI_TYPE_BUFFER_FIELD
Definition: actypes.h:693
ACPI_OBJECT_COMMON Common
Definition: acobject.h:517
const char * AcpiUtGetTypeName(ACPI_OBJECT_TYPE Type)
Definition: utdecode.c:250
#define ACPI_ERROR(plist)
Definition: acoutput.h:240
#define ACPI_TYPE_LOCAL_BANK_FIELD
Definition: actypes.h:709
UINT16 Opcode
Definition: acstruct.h:78
#define ACPI_TYPE_STRING
Definition: actypes.h:681
const char * AcpiUtGetObjectTypeName(ACPI_OPERAND_OBJECT *ObjDesc)
Definition: utdecode.c:264
#define AE_OK
Definition: acexcep.h:97

Referenced by AcpiExStoreObjectToNode().

◆ AcpiExStoreObjectToObject()

ACPI_STATUS AcpiExStoreObjectToObject ( ACPI_OPERAND_OBJECT SourceDesc,
ACPI_OPERAND_OBJECT DestDesc,
ACPI_OPERAND_OBJECT **  NewDesc,
ACPI_WALK_STATE WalkState 
)

Definition at line 199 of file exstoren.c.

204 {
205  ACPI_OPERAND_OBJECT *ActualSrcDesc;
207 
208 
209  ACPI_FUNCTION_TRACE_PTR (ExStoreObjectToObject, SourceDesc);
210 
211 
212  ActualSrcDesc = SourceDesc;
213  if (!DestDesc)
214  {
215  /*
216  * There is no destination object (An uninitialized node or
217  * package element), so we can simply copy the source object
218  * creating a new destination object
219  */
220  Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, NewDesc, WalkState);
222  }
223 
224  if (SourceDesc->Common.Type != DestDesc->Common.Type)
225  {
226  /*
227  * The source type does not match the type of the destination.
228  * Perform the "implicit conversion" of the source to the current type
229  * of the target as per the ACPI specification.
230  *
231  * If no conversion performed, ActualSrcDesc = SourceDesc.
232  * Otherwise, ActualSrcDesc is a temporary object to hold the
233  * converted object.
234  */
235  Status = AcpiExConvertToTargetType (DestDesc->Common.Type,
236  SourceDesc, &ActualSrcDesc, WalkState);
237  if (ACPI_FAILURE (Status))
238  {
240  }
241 
242  if (SourceDesc == ActualSrcDesc)
243  {
244  /*
245  * No conversion was performed. Return the SourceDesc as the
246  * new object.
247  */
248  *NewDesc = SourceDesc;
250  }
251  }
252 
253  /*
254  * We now have two objects of identical types, and we can perform a
255  * copy of the *value* of the source object.
256  */
257  switch (DestDesc->Common.Type)
258  {
259  case ACPI_TYPE_INTEGER:
260 
261  DestDesc->Integer.Value = ActualSrcDesc->Integer.Value;
262 
263  /* Truncate value if we are executing from a 32-bit ACPI table */
264 
265  (void) AcpiExTruncateFor32bitTable (DestDesc);
266  break;
267 
268  case ACPI_TYPE_STRING:
269 
270  Status = AcpiExStoreStringToString (ActualSrcDesc, DestDesc);
271  break;
272 
273  case ACPI_TYPE_BUFFER:
274 
275  Status = AcpiExStoreBufferToBuffer (ActualSrcDesc, DestDesc);
276  break;
277 
278  case ACPI_TYPE_PACKAGE:
279 
280  Status = AcpiUtCopyIobjectToIobject (ActualSrcDesc, &DestDesc,
281  WalkState);
282  break;
283 
284  default:
285  /*
286  * All other types come here.
287  */
288  ACPI_WARNING ((AE_INFO, "Store into type [%s] not implemented",
289  AcpiUtGetObjectTypeName (DestDesc)));
290 
292  break;
293  }
294 
295  if (ActualSrcDesc != SourceDesc)
296  {
297  /* Delete the intermediate (temporary) source object */
298 
299  AcpiUtRemoveReference (ActualSrcDesc);
300  }
301 
302  *NewDesc = DestDesc;
304 }
struct png_info_def **typedef void(__cdecl typeof(png_destroy_read_struct))(struct png_struct_def **
Definition: typeof.h:49
#define ACPI_WARNING(plist)
Definition: acoutput.h:238
#define ACPI_TYPE_BUFFER
Definition: actypes.h:682
#define ACPI_TYPE_INTEGER
Definition: actypes.h:680
ACPI_STATUS AcpiExStoreBufferToBuffer(ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT *TargetDesc)
Definition: exstorob.c:67
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define AE_NOT_IMPLEMENTED
Definition: acexcep.h:122
#define ACPI_TYPE_PACKAGE
Definition: actypes.h:683
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_STATUS AcpiExConvertToTargetType(ACPI_OBJECT_TYPE DestinationType, ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT **ResultDesc, ACPI_WALK_STATE *WalkState)
Definition: exconvrt.c:654
#define AE_INFO
Definition: acoutput.h:230
#define ACPI_FUNCTION_TRACE_PTR(a, b)
Definition: acoutput.h:481
Status
Definition: gdiplustypes.h:24
ACPI_OBJECT_INTEGER Integer
Definition: acobject.h:518
BOOLEAN AcpiExTruncateFor32bitTable(ACPI_OPERAND_OBJECT *ObjDesc)
Definition: exutils.c:177
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
ACPI_OBJECT_COMMON Common
Definition: acobject.h:517
void AcpiUtRemoveReference(ACPI_OPERAND_OBJECT *Object)
Definition: utdelete.c:781
ACPI_STATUS AcpiExStoreStringToString(ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT *TargetDesc)
Definition: exstorob.c:172
ACPI_STATUS AcpiUtCopyIobjectToIobject(ACPI_OPERAND_OBJECT *SourceDesc, ACPI_OPERAND_OBJECT **DestDesc, ACPI_WALK_STATE *WalkState)
Definition: utcopy.c:1037
#define ACPI_TYPE_STRING
Definition: actypes.h:681
const char * AcpiUtGetObjectTypeName(ACPI_OPERAND_OBJECT *ObjDesc)
Definition: utdecode.c:264
#define AE_OK
Definition: acexcep.h:97

Referenced by AcpiExStoreObjectToNode().