ReactOS 0.4.15-dev-7906-g1b85a5f
utalloc.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "acdebug.h"
Include dependency graph for utalloc.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_UTILITIES
 

Functions

voidAcpiOsAllocateZeroed (ACPI_SIZE Size)
 
ACPI_STATUS AcpiUtCreateCaches (void)
 
ACPI_STATUS AcpiUtDeleteCaches (void)
 
ACPI_STATUS AcpiUtValidateBuffer (ACPI_BUFFER *Buffer)
 
ACPI_STATUS AcpiUtInitializeBuffer (ACPI_BUFFER *Buffer, ACPI_SIZE RequiredLength)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_UTILITIES

Definition at line 48 of file utalloc.c.

Function Documentation

◆ AcpiOsAllocateZeroed()

void * AcpiOsAllocateZeroed ( ACPI_SIZE  Size)

Definition at line 68 of file utalloc.c.

70{
71 void *Allocation;
72
73
75
76
78 if (Allocation)
79 {
80 /* Clear the memory block */
81
83 }
84
85 return (Allocation);
86}
#define ACPI_FUNCTION_ENTRY()
Definition: acoutput.h:484
void * AcpiOsAllocate(ACPI_SIZE Size)
Definition: osl.c:160
#define memset(x, y, z)
Definition: compat.h:39
_Must_inspect_result_ _In_ WDFDEVICE _In_ PWDF_DEVICE_PROPERTY_DATA _In_ DEVPROPTYPE _In_ ULONG Size
Definition: wdfdevice.h:4533
Allocation
Definition: exfuncs.h:598

◆ AcpiUtCreateCaches()

ACPI_STATUS AcpiUtCreateCaches ( void  )

Definition at line 104 of file utalloc.c.

106{
108
109
110 /* Object Caches, for frequently used objects */
111
112 Status = AcpiOsCreateCache ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
113 ACPI_MAX_NAMESPACE_CACHE_DEPTH, &AcpiGbl_NamespaceCache);
114 if (ACPI_FAILURE (Status))
115 {
116 return (Status);
117 }
118
119 Status = AcpiOsCreateCache ("Acpi-State", sizeof (ACPI_GENERIC_STATE),
120 ACPI_MAX_STATE_CACHE_DEPTH, &AcpiGbl_StateCache);
121 if (ACPI_FAILURE (Status))
122 {
123 return (Status);
124 }
125
126 Status = AcpiOsCreateCache ("Acpi-Parse", sizeof (ACPI_PARSE_OBJ_COMMON),
127 ACPI_MAX_PARSE_CACHE_DEPTH, &AcpiGbl_PsNodeCache);
128 if (ACPI_FAILURE (Status))
129 {
130 return (Status);
131 }
132
133 Status = AcpiOsCreateCache ("Acpi-ParseExt", sizeof (ACPI_PARSE_OBJ_NAMED),
134 ACPI_MAX_EXTPARSE_CACHE_DEPTH, &AcpiGbl_PsNodeExtCache);
135 if (ACPI_FAILURE (Status))
136 {
137 return (Status);
138 }
139
140 Status = AcpiOsCreateCache ("Acpi-Operand", sizeof (ACPI_OPERAND_OBJECT),
141 ACPI_MAX_OBJECT_CACHE_DEPTH, &AcpiGbl_OperandCache);
142 if (ACPI_FAILURE (Status))
143 {
144 return (Status);
145 }
146
147#ifdef ACPI_ASL_COMPILER
148 /*
149 * For use with the ASL-/ASL+ option. This cache keeps track of regular
150 * 0xA9 0x01 comments.
151 */
152 Status = AcpiOsCreateCache ("Acpi-Comment", sizeof (ACPI_COMMENT_NODE),
153 ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_RegCommentCache);
154 if (ACPI_FAILURE (Status))
155 {
156 return (Status);
157 }
158
159 /*
160 * This cache keeps track of the starting addresses of where the comments
161 * lie. This helps prevent duplication of comments.
162 */
163 Status = AcpiOsCreateCache ("Acpi-Comment-Addr", sizeof (ACPI_COMMENT_ADDR_NODE),
164 ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_CommentAddrCache);
165 if (ACPI_FAILURE (Status))
166 {
167 return (Status);
168 }
169
170 /*
171 * This cache will be used for nodes that represent files.
172 */
173 Status = AcpiOsCreateCache ("Acpi-File", sizeof (ACPI_FILE_NODE),
174 ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_FileCache);
175 if (ACPI_FAILURE (Status))
176 {
177 return (Status);
178 }
179#endif
180
181
182#ifdef ACPI_DBG_TRACK_ALLOCATIONS
183
184 /* Memory allocation lists */
185
186 Status = AcpiUtCreateList ("Acpi-Global", 0,
187 &AcpiGbl_GlobalList);
188 if (ACPI_FAILURE (Status))
189 {
190 return (Status);
191 }
192
193 Status = AcpiUtCreateList ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
194 &AcpiGbl_NsNodeList);
195 if (ACPI_FAILURE (Status))
196 {
197 return (Status);
198 }
199#endif
200
201 return (AE_OK);
202}
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
#define AE_OK
Definition: acexcep.h:97
ACPI_STATUS AcpiOsCreateCache(char *CacheName, UINT16 ObjectSize, UINT16 MaxDepth, ACPI_CACHE_T **ReturnCache)
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_MAX_NAMESPACE_CACHE_DEPTH
Definition: acconfig.h:81
#define ACPI_MAX_OBJECT_CACHE_DEPTH
Definition: acconfig.h:80
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH
Definition: acconfig.h:79
#define ACPI_MAX_STATE_CACHE_DEPTH
Definition: acconfig.h:77
#define ACPI_MAX_PARSE_CACHE_DEPTH
Definition: acconfig.h:78
#define ACPI_MAX_COMMENT_CACHE_DEPTH
Definition: acconfig.h:82
Status
Definition: gdiplustypes.h:25

Referenced by AcpiUtInitGlobals().

◆ AcpiUtDeleteCaches()

ACPI_STATUS AcpiUtDeleteCaches ( void  )

Definition at line 218 of file utalloc.c.

220{
221#ifdef ACPI_DBG_TRACK_ALLOCATIONS
222 char Buffer[7];
223
224
225 if (AcpiGbl_DisplayFinalMemStats)
226 {
227 strcpy (Buffer, "MEMORY");
229 }
230#endif
231
232 (void) AcpiOsDeleteCache (AcpiGbl_NamespaceCache);
233 AcpiGbl_NamespaceCache = NULL;
234
235 (void) AcpiOsDeleteCache (AcpiGbl_StateCache);
236 AcpiGbl_StateCache = NULL;
237
238 (void) AcpiOsDeleteCache (AcpiGbl_OperandCache);
239 AcpiGbl_OperandCache = NULL;
240
241 (void) AcpiOsDeleteCache (AcpiGbl_PsNodeCache);
242 AcpiGbl_PsNodeCache = NULL;
243
244 (void) AcpiOsDeleteCache (AcpiGbl_PsNodeExtCache);
245 AcpiGbl_PsNodeExtCache = NULL;
246
247#ifdef ACPI_ASL_COMPILER
248 (void) AcpiOsDeleteCache (AcpiGbl_RegCommentCache);
249 AcpiGbl_RegCommentCache = NULL;
250
251 (void) AcpiOsDeleteCache (AcpiGbl_CommentAddrCache);
252 AcpiGbl_CommentAddrCache = NULL;
253
254 (void) AcpiOsDeleteCache (AcpiGbl_FileCache);
255 AcpiGbl_FileCache = NULL;
256#endif
257
258#ifdef ACPI_DBG_TRACK_ALLOCATIONS
259
260 /* Debug only - display leftover memory allocation, if any */
261
262 AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
263
264 /* Free memory lists */
265
266 AcpiOsFree (AcpiGbl_GlobalList);
267 AcpiGbl_GlobalList = NULL;
268
269 AcpiOsFree (AcpiGbl_NsNodeList);
270 AcpiGbl_NsNodeList = NULL;
271#endif
272
273 return (AE_OK);
274}
char * strcpy(char *DstString, const char *SrcString)
Definition: utclib.c:388
ACPI_STATUS AcpiDbDisplayStatistics(char *TypeArg)
ACPI_STATUS AcpiOsDeleteCache(ACPI_CACHE_T *Cache)
void AcpiOsFree(void *Memory)
Definition: osl.c:167
#define ACPI_UINT32_MAX
Definition: actypes.h:66
Definition: bufpool.h:45
#define NULL
Definition: types.h:112

Referenced by AcpiUtSubsystemShutdown().

◆ AcpiUtInitializeBuffer()

ACPI_STATUS AcpiUtInitializeBuffer ( ACPI_BUFFER Buffer,
ACPI_SIZE  RequiredLength 
)

Definition at line 336 of file utalloc.c.

339{
340 ACPI_SIZE InputBufferLength;
341
342
343 /* Parameter validation */
344
345 if (!Buffer || !RequiredLength)
346 {
347 return (AE_BAD_PARAMETER);
348 }
349
350 /*
351 * Buffer->Length is used as both an input and output parameter. Get the
352 * input actual length and set the output required buffer length.
353 */
354 InputBufferLength = Buffer->Length;
355 Buffer->Length = RequiredLength;
356
357 /*
358 * The input buffer length contains the actual buffer length, or the type
359 * of buffer to be allocated by this routine.
360 */
361 switch (InputBufferLength)
362 {
363 case ACPI_NO_BUFFER:
364
365 /* Return the exception (and the required buffer length) */
366
367 return (AE_BUFFER_OVERFLOW);
368
370 /*
371 * Allocate a new buffer. We directectly call AcpiOsAllocate here to
372 * purposefully bypass the (optionally enabled) internal allocation
373 * tracking mechanism since we only want to track internal
374 * allocations. Note: The caller should use AcpiOsFree to free this
375 * buffer created via ACPI_ALLOCATE_BUFFER.
376 */
378 break;
379
381
382 /* Allocate a new buffer with local interface to allow tracking */
383
385 break;
386
387 default:
388
389 /* Existing buffer: Validate the size of the buffer */
390
392 {
393 return (AE_BUFFER_OVERFLOW);
394 }
395 break;
396 }
397
398 /* Validate allocation from above or input buffer pointer */
399
400 if (!Buffer->Pointer)
401 {
402 return (AE_NO_MEMORY);
403 }
404
405 /* Have a valid buffer, clear it */
406
407 memset (Buffer->Pointer, 0, RequiredLength);
408 return (AE_OK);
409}
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
#define AE_BUFFER_OVERFLOW
Definition: acexcep.h:119
#define AE_NO_MEMORY
Definition: acexcep.h:112
#define ACPI_ALLOCATE_BUFFER
Definition: actypes.h:1046
#define ACPI_NO_BUFFER
Definition: actypes.h:1037
#define ACPI_ALLOCATE_LOCAL_BUFFER
Definition: actypes.h:1047
#define ACPI_ALLOCATE(a)
Definition: actypes.h:384
_In_ WDFREQUEST _In_ size_t _In_ size_t InputBufferLength
Definition: wdfio.h:322
_In_ ULONG _Out_opt_ PULONG RequiredLength
Definition: wmifuncs.h:30

Referenced by AcpiEvaluateObject(), AcpiGetSystemInfo(), AcpiNsHandleToName(), AcpiNsHandleToPathname(), AcpiRsCreateAmlResources(), AcpiRsCreatePciRoutingTable(), AcpiRsCreateResourceList(), and AcpiRsMatchVendorResource().

◆ AcpiUtValidateBuffer()

ACPI_STATUS AcpiUtValidateBuffer ( ACPI_BUFFER Buffer)

Definition at line 290 of file utalloc.c.

292{
293
294 /* Obviously, the structure pointer must be valid */
295
296 if (!Buffer)
297 {
298 return (AE_BAD_PARAMETER);
299 }
300
301 /* Special semantics for the length */
302
303 if ((Buffer->Length == ACPI_NO_BUFFER) ||
304 (Buffer->Length == ACPI_ALLOCATE_BUFFER) ||
306 {
307 return (AE_OK);
308 }
309
310 /* Length is valid, the buffer pointer must be also */
311
312 if (!Buffer->Pointer)
313 {
314 return (AE_BAD_PARAMETER);
315 }
316
317 return (AE_OK);
318}

Referenced by AcpiGetName(), AcpiGetSystemInfo(), and AcpiRsValidateParameters().