ReactOS  0.4.14-dev-552-g2fad488
rscreate.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "acresrc.h"
#include "acnamesp.h"
Include dependency graph for rscreate.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_RESOURCES
 

Functions

ACPI_STATUS AcpiBufferToResource (UINT8 *AmlBuffer, UINT16 AmlBufferLength, ACPI_RESOURCE **ResourcePtr)
 
ACPI_STATUS AcpiRsCreateResourceList (ACPI_OPERAND_OBJECT *AmlBuffer, ACPI_BUFFER *OutputBuffer)
 
ACPI_STATUS AcpiRsCreatePciRoutingTable (ACPI_OPERAND_OBJECT *PackageObject, ACPI_BUFFER *OutputBuffer)
 
ACPI_STATUS AcpiRsCreateAmlResources (ACPI_BUFFER *ResourceList, ACPI_BUFFER *OutputBuffer)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_RESOURCES

Definition at line 49 of file rscreate.c.

Function Documentation

◆ AcpiBufferToResource()

ACPI_STATUS AcpiBufferToResource ( UINT8 AmlBuffer,
UINT16  AmlBufferLength,
ACPI_RESOURCE **  ResourcePtr 
)

Definition at line 68 of file rscreate.c.

72 {
74  ACPI_SIZE ListSizeNeeded;
75  void *Resource;
76  void *CurrentResourcePtr;
77 
78 
80 
81 
82  /*
83  * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag
84  * is not required here.
85  */
86 
87  /* Get the required length for the converted resource */
88 
90  AmlBuffer, AmlBufferLength, &ListSizeNeeded);
92  {
93  Status = AE_OK;
94  }
95  if (ACPI_FAILURE (Status))
96  {
98  }
99 
100  /* Allocate a buffer for the converted resource */
101 
102  Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded);
103  CurrentResourcePtr = Resource;
104  if (!Resource)
105  {
107  }
108 
109  /* Perform the AML-to-Resource conversion */
110 
112  AcpiRsConvertAmlToResources, &CurrentResourcePtr);
114  {
115  Status = AE_OK;
116  }
117  if (ACPI_FAILURE (Status))
118  {
120  }
121  else
122  {
123  *ResourcePtr = Resource;
124  }
125 
127 }
ACPI_STATUS AcpiRsConvertAmlToResources(UINT8 *Aml, UINT32 Length, UINT32 Offset, UINT8 ResourceIndex, void **Context)
Definition: rslist.c:68
#define ACPI_FREE(a)
Definition: actypes.h:386
#define ACPI_ALLOCATE_ZEROED(a)
Definition: actypes.h:385
#define AE_NO_MEMORY
Definition: acexcep.h:112
ACPI_STATUS AcpiUtWalkAmlResources(ACPI_WALK_STATE *WalkState, UINT8 *Aml, ACPI_SIZE AmlLength, ACPI_WALK_AML_CALLBACK UserFunction, void **Context)
Definition: utresrc.c:180
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
_Acquires_exclusive_lock_ Resource _Acquires_shared_lock_ Resource _Inout_ PERESOURCE Resource
Definition: cdprocs.h:848
smooth NULL
Definition: ftsmooth.c:416
ACPI_BUFFER *RetBuffer ACPI_BUFFER *RetBuffer char ACPI_WALK_RESOURCE_CALLBACK void *Context ACPI_BUFFER *RetBuffer UINT16 AmlBufferLength
Definition: acpixf.h:1095
ACPI_STATUS AcpiRsGetListLength(UINT8 *AmlBuffer, UINT32 AmlBufferLength, ACPI_SIZE *SizeNeeded)
Definition: rscalc.c:460
Status
Definition: gdiplustypes.h:24
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define AE_AML_NO_RESOURCE_END_TAG
Definition: acexcep.h:207
#define AE_OK
Definition: acexcep.h:97
ACPI_STATUS AcpiBufferToResource(UINT8 *AmlBuffer, UINT16 AmlBufferLength, ACPI_RESOURCE **ResourcePtr)
Definition: rscreate.c:68

◆ AcpiRsCreateAmlResources()

ACPI_STATUS AcpiRsCreateAmlResources ( ACPI_BUFFER ResourceList,
ACPI_BUFFER OutputBuffer 
)

Definition at line 462 of file rscreate.c.

465 {
467  ACPI_SIZE AmlSizeNeeded = 0;
468 
469 
470  ACPI_FUNCTION_TRACE (RsCreateAmlResources);
471 
472 
473  /* Params already validated, no need to re-validate here */
474 
475  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "ResourceList Buffer = %p\n",
476  ResourceList->Pointer));
477 
478  /* Get the buffer size needed for the AML byte stream */
479 
481  ResourceList->Pointer, ResourceList->Length, &AmlSizeNeeded);
482 
483  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
484  (UINT32) AmlSizeNeeded, AcpiFormatException (Status)));
485  if (ACPI_FAILURE (Status))
486  {
488  }
489 
490  /* Validate/Allocate/Clear caller buffer */
491 
492  Status = AcpiUtInitializeBuffer (OutputBuffer, AmlSizeNeeded);
493  if (ACPI_FAILURE (Status))
494  {
496  }
497 
498  /* Do the conversion */
499 
501  AmlSizeNeeded, OutputBuffer->Pointer);
502  if (ACPI_FAILURE (Status))
503  {
505  }
506 
507  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
508  OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
510 }
ACPI_STATUS AcpiUtInitializeBuffer(ACPI_BUFFER *Buffer, ACPI_SIZE RequiredLength)
Definition: utalloc.c:336
UINT32 ACPI_STATUS
Definition: actypes.h:460
const MUI_LANGUAGE_RESOURCE ResourceList[]
Definition: muilanguages.h:414
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
const char * AcpiFormatException(ACPI_STATUS Status)
Definition: utexcep.c:70
unsigned int UINT32
ACPI_STATUS AcpiRsConvertResourcesToAml(ACPI_RESOURCE *Resource, ACPI_SIZE AmlSizeNeeded, UINT8 *OutputBuffer)
Definition: rslist.c:173
_Must_inspect_result_ __drv_aliasesMem _In_ PDEVICE_OBJECT _In_opt_ PVOID _In_ ULONG _Out_opt_ PVOID OutputBuffer
Definition: iofuncs.h:713
ACPI_STATUS AcpiRsGetAmlLength(ACPI_RESOURCE *ResourceList, ACPI_SIZE ResourceListSize, ACPI_SIZE *SizeNeeded)
Definition: rscalc.c:211
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
Status
Definition: gdiplustypes.h:24
#define ACPI_DB_INFO
Definition: acoutput.h:153
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define AE_OK
Definition: acexcep.h:97

Referenced by AcpiRsSetSrsMethodData().

◆ AcpiRsCreatePciRoutingTable()

ACPI_STATUS AcpiRsCreatePciRoutingTable ( ACPI_OPERAND_OBJECT PackageObject,
ACPI_BUFFER OutputBuffer 
)

Definition at line 234 of file rscreate.c.

237 {
238  UINT8 *Buffer;
239  ACPI_OPERAND_OBJECT **TopObjectList;
240  ACPI_OPERAND_OBJECT **SubObjectList;
241  ACPI_OPERAND_OBJECT *ObjDesc;
242  ACPI_SIZE BufferSizeNeeded = 0;
243  UINT32 NumberOfElements;
244  UINT32 Index;
245  ACPI_PCI_ROUTING_TABLE *UserPrt;
248  ACPI_BUFFER PathBuffer;
249 
250 
251  ACPI_FUNCTION_TRACE (RsCreatePciRoutingTable);
252 
253 
254  /* Params already validated, so we don't re-validate here */
255 
256  /* Get the required buffer length */
257 
259  PackageObject,&BufferSizeNeeded);
260  if (ACPI_FAILURE (Status))
261  {
263  }
264 
265  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
267 
268  /* Validate/Allocate/Clear caller buffer */
269 
271  if (ACPI_FAILURE (Status))
272  {
274  }
275 
276  /*
277  * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
278  * package that in turn contains an UINT64 Address, a UINT8 Pin,
279  * a Name, and a UINT8 SourceIndex.
280  */
281  TopObjectList = PackageObject->Package.Elements;
282  NumberOfElements = PackageObject->Package.Count;
283  Buffer = OutputBuffer->Pointer;
285 
286  for (Index = 0; Index < NumberOfElements; Index++)
287  {
288  /*
289  * Point UserPrt past this current structure
290  *
291  * NOTE: On the first iteration, UserPrt->Length will
292  * be zero because we cleared the return buffer earlier
293  */
294  Buffer += UserPrt->Length;
296 
297  /*
298  * Fill in the Length field with the information we have at this
299  * point. The minus four is to subtract the size of the UINT8
300  * Source[4] member because it is added below.
301  */
302  UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
303 
304  /* Each subpackage must be of length 4 */
305 
306  if ((*TopObjectList)->Package.Count != 4)
307  {
309  "(PRT[%u]) Need package of length 4, found length %u",
310  Index, (*TopObjectList)->Package.Count));
312  }
313 
314  /*
315  * Dereference the subpackage.
316  * The SubObjectList will now point to an array of the four IRQ
317  * elements: [Address, Pin, Source, SourceIndex]
318  */
319  SubObjectList = (*TopObjectList)->Package.Elements;
320 
321  /* 1) First subobject: Dereference the PRT.Address */
322 
323  ObjDesc = SubObjectList[0];
324  if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
325  {
327  "(PRT[%u].Address) Need Integer, found %s",
328  Index, AcpiUtGetObjectTypeName (ObjDesc)));
330  }
331 
332  UserPrt->Address = ObjDesc->Integer.Value;
333 
334  /* 2) Second subobject: Dereference the PRT.Pin */
335 
336  ObjDesc = SubObjectList[1];
337  if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
338  {
339  ACPI_ERROR ((AE_INFO, "(PRT[%u].Pin) Need Integer, found %s",
340  Index, AcpiUtGetObjectTypeName (ObjDesc)));
342  }
343 
344  UserPrt->Pin = (UINT32) ObjDesc->Integer.Value;
345 
346  /*
347  * 3) Third subobject: Dereference the PRT.SourceName
348  * The name may be unresolved (slack mode), so allow a null object
349  */
350  ObjDesc = SubObjectList[2];
351  if (ObjDesc)
352  {
353  switch (ObjDesc->Common.Type)
354  {
356 
357  if (ObjDesc->Reference.Class != ACPI_REFCLASS_NAME)
358  {
360  "(PRT[%u].Source) Need name, found Reference Class 0x%X",
361  Index, ObjDesc->Reference.Class));
363  }
364 
365  Node = ObjDesc->Reference.Node;
366 
367  /* Use *remaining* length of the buffer as max for pathname */
368 
369  PathBuffer.Length = OutputBuffer->Length -
370  (UINT32) ((UINT8 *) UserPrt->Source -
371  (UINT8 *) OutputBuffer->Pointer);
372  PathBuffer.Pointer = UserPrt->Source;
373 
375  (ACPI_HANDLE) Node, &PathBuffer, FALSE);
376  if (ACPI_FAILURE (Status))
377  {
379  }
380 
381  /* +1 to include null terminator */
382 
383  UserPrt->Length += (UINT32) strlen (UserPrt->Source) + 1;
384  break;
385 
386  case ACPI_TYPE_STRING:
387 
388  strcpy (UserPrt->Source, ObjDesc->String.Pointer);
389 
390  /*
391  * Add to the Length field the length of the string
392  * (add 1 for terminator)
393  */
394  UserPrt->Length += ObjDesc->String.Length + 1;
395  break;
396 
397  case ACPI_TYPE_INTEGER:
398  /*
399  * If this is a number, then the Source Name is NULL, since
400  * the entire buffer was zeroed out, we can leave this alone.
401  *
402  * Add to the Length field the length of the UINT32 NULL
403  */
404  UserPrt->Length += sizeof (UINT32);
405  break;
406 
407  default:
408 
410  "(PRT[%u].Source) Need Ref/String/Integer, found %s",
411  Index, AcpiUtGetObjectTypeName (ObjDesc)));
413  }
414  }
415 
416  /* Now align the current length */
417 
418  UserPrt->Length = (UINT32) ACPI_ROUND_UP_TO_64BIT (UserPrt->Length);
419 
420  /* 4) Fourth subobject: Dereference the PRT.SourceIndex */
421 
422  ObjDesc = SubObjectList[3];
423  if (!ObjDesc || ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
424  {
426  "(PRT[%u].SourceIndex) Need Integer, found %s",
427  Index, AcpiUtGetObjectTypeName (ObjDesc)));
429  }
430 
431  UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value;
432 
433  /* Point to the next ACPI_OPERAND_OBJECT in the top level package */
434 
435  TopObjectList++;
436  }
437 
438  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
439  OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
441 }
ACPI_STATUS AcpiUtInitializeBuffer(ACPI_BUFFER *Buffer, ACPI_SIZE RequiredLength)
Definition: utalloc.c:336
_Must_inspect_result_ _Inout_opt_ PUNICODE_STRING _Out_opt_ PULONG BufferSizeNeeded
Definition: fltkernel.h:1117
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
ACPI_OBJECT_PACKAGE Package
Definition: acobject.h:520
#define ACPI_TYPE_INTEGER
Definition: actypes.h:679
#define ACPI_ROUND_UP_TO_64BIT(a)
Definition: acmacros.h:253
ACPI_SIZE Length
Definition: actypes.h:1042
#define ACPI_TYPE_LOCAL_REFERENCE
Definition: actypes.h:710
void * Pointer
Definition: actypes.h:1043
UINT32 ACPI_STATUS
Definition: actypes.h:460
struct acpi_pci_routing_table ACPI_PCI_ROUTING_TABLE
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
ACPI_OBJECT_COMMON_HEADER UINT8 Class
Definition: acobject.h:440
unsigned int UINT32
union node Node
Definition: types.h:1255
#define AE_INFO
Definition: acoutput.h:230
Definition: bufpool.h:45
ACPI_OBJECT_REFERENCE Reference
Definition: acobject.h:537
_Must_inspect_result_ __drv_aliasesMem _In_ PDEVICE_OBJECT _In_opt_ PVOID _In_ ULONG _Out_opt_ PVOID OutputBuffer
Definition: iofuncs.h:713
ACPI_STATUS AcpiNsHandleToPathname(ACPI_HANDLE TargetHandle, ACPI_BUFFER *Buffer, BOOLEAN NoTrailing)
Definition: nsnames.c:193
if(!(yy_init))
Definition: macro.lex.yy.c:714
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
static const UCHAR Index[8]
Definition: usbohci.c:18
ACPI_OBJECT_INTEGER Integer
Definition: acobject.h:517
ACPI_OBJECT_STRING String
Definition: acobject.h:518
Status
Definition: gdiplustypes.h:24
#define AE_BAD_DATA
Definition: acexcep.h:154
#define ACPI_DB_INFO
Definition: acoutput.h:153
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
ACPI_OBJECT_COMMON Common
Definition: acobject.h:516
ACPI_NAMESPACE_NODE * Node
Definition: acobject.h:444
#define ACPI_ERROR(plist)
Definition: acoutput.h:240
char * strcpy(char *DstString, const char *SrcString)
Definition: utclib.c:388
#define ACPI_TYPE_STRING
Definition: actypes.h:680
#define AE_AML_PACKAGE_LIMIT
Definition: acexcep.h:190
IN BOOLEAN OUT PSTR Buffer
Definition: progress.h:34
#define ACPI_CAST_PTR(t, p)
Definition: actypes.h:544
unsigned char UINT8
const char * AcpiUtGetObjectTypeName(ACPI_OPERAND_OBJECT *ObjDesc)
Definition: utdecode.c:263
#define AE_OK
Definition: acexcep.h:97
ACPI_STATUS AcpiRsGetPciRoutingTableLength(ACPI_OPERAND_OBJECT *PackageObject, ACPI_SIZE *BufferSizeNeeded)
Definition: rscalc.c:746
union acpi_operand_object ** Elements
Definition: acobject.h:161
Definition: dlist.c:348

Referenced by AcpiRsGetPrtMethodData().

◆ AcpiRsCreateResourceList()

ACPI_STATUS AcpiRsCreateResourceList ( ACPI_OPERAND_OBJECT AmlBuffer,
ACPI_BUFFER OutputBuffer 
)

Definition at line 151 of file rscreate.c.

154 {
155 
157  UINT8 *AmlStart;
158  ACPI_SIZE ListSizeNeeded = 0;
160  void *Resource;
161 
162 
163  ACPI_FUNCTION_TRACE (RsCreateResourceList);
164 
165 
166  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlBuffer = %p\n",
167  AmlBuffer));
168 
169  /* Params already validated, so we don't re-validate here */
170 
171  AmlBufferLength = AmlBuffer->Buffer.Length;
172  AmlStart = AmlBuffer->Buffer.Pointer;
173 
174  /*
175  * Pass the AmlBuffer into a module that can calculate
176  * the buffer size needed for the linked list
177  */
179  &ListSizeNeeded);
180 
181  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
182  Status, (UINT32) ListSizeNeeded));
183  if (ACPI_FAILURE (Status))
184  {
186  }
187 
188  /* Validate/Allocate/Clear caller buffer */
189 
190  Status = AcpiUtInitializeBuffer (OutputBuffer, ListSizeNeeded);
191  if (ACPI_FAILURE (Status))
192  {
194  }
195 
196  /* Do the conversion */
197 
198  Resource = OutputBuffer->Pointer;
201  if (ACPI_FAILURE (Status))
202  {
204  }
205 
206  ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
207  OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
209 }
ACPI_STATUS AcpiRsConvertAmlToResources(UINT8 *Aml, UINT32 Length, UINT32 Offset, UINT8 ResourceIndex, void **Context)
Definition: rslist.c:68
ACPI_STATUS AcpiUtInitializeBuffer(ACPI_BUFFER *Buffer, ACPI_SIZE RequiredLength)
Definition: utalloc.c:336
ACPI_STATUS AcpiUtWalkAmlResources(ACPI_WALK_STATE *WalkState, UINT8 *Aml, ACPI_SIZE AmlLength, ACPI_WALK_AML_CALLBACK UserFunction, void **Context)
Definition: utresrc.c:180
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
_Acquires_exclusive_lock_ Resource _Acquires_shared_lock_ Resource _Inout_ PERESOURCE Resource
Definition: cdprocs.h:848
unsigned int UINT32
smooth NULL
Definition: ftsmooth.c:416
_Must_inspect_result_ __drv_aliasesMem _In_ PDEVICE_OBJECT _In_opt_ PVOID _In_ ULONG _Out_opt_ PVOID OutputBuffer
Definition: iofuncs.h:713
ACPI_BUFFER *RetBuffer ACPI_BUFFER *RetBuffer char ACPI_WALK_RESOURCE_CALLBACK void *Context ACPI_BUFFER *RetBuffer UINT16 AmlBufferLength
Definition: acpixf.h:1095
ACPI_OBJECT_BUFFER Buffer
Definition: acobject.h:519
ACPI_STATUS AcpiRsGetListLength(UINT8 *AmlBuffer, UINT32 AmlBufferLength, ACPI_SIZE *SizeNeeded)
Definition: rscalc.c:460
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
Status
Definition: gdiplustypes.h:24
#define ACPI_DB_INFO
Definition: acoutput.h:153
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
unsigned char UINT8
#define AE_OK
Definition: acexcep.h:97

Referenced by AcpiRsGetAeiMethodData(), AcpiRsGetCrsMethodData(), AcpiRsGetMethodData(), and AcpiRsGetPrsMethodData().