ReactOS 0.4.15-dev-7931-gfd331f1
tbfind.c File Reference
#include "acpi.h"
#include "accommon.h"
#include "actables.h"
Include dependency graph for tbfind.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_TABLES
 

Functions

ACPI_STATUS AcpiTbFindTable (char *Signature, char *OemId, char *OemTableId, UINT32 *TableIndex)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_TABLES

Definition at line 48 of file tbfind.c.

Function Documentation

◆ AcpiTbFindTable()

ACPI_STATUS AcpiTbFindTable ( char Signature,
char OemId,
char OemTableId,
UINT32 TableIndex 
)

Definition at line 70 of file tbfind.c.

75{
78 UINT32 i;
79
80
81 ACPI_FUNCTION_TRACE (TbFindTable);
82
83
84 /* Validate the input table signature */
85
87 {
89 }
90
91 /* Don't allow the OEM strings to be too long */
92
93 if ((strlen (OemId) > ACPI_OEM_ID_SIZE) ||
94 (strlen (OemTableId) > ACPI_OEM_TABLE_ID_SIZE))
95 {
97 }
98
99 /* Normalize the input strings */
100
101 memset (&Header, 0, sizeof (ACPI_TABLE_HEADER));
103 strncpy (Header.OemId, OemId, ACPI_OEM_ID_SIZE);
104 strncpy (Header.OemTableId, OemTableId, ACPI_OEM_TABLE_ID_SIZE);
105
106 /* Search for the table */
107
109 for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; ++i)
110 {
111 if (memcmp (&(AcpiGbl_RootTableList.Tables[i].Signature),
112 Header.Signature, ACPI_NAMESEG_SIZE))
113 {
114 /* Not the requested table */
115
116 continue;
117 }
118
119 /* Table with matching signature has been found */
120
121 if (!AcpiGbl_RootTableList.Tables[i].Pointer)
122 {
123 /* Table is not currently mapped, map it */
124
125 Status = AcpiTbValidateTable (&AcpiGbl_RootTableList.Tables[i]);
126 if (ACPI_FAILURE (Status))
127 {
128 goto UnlockAndExit;
129 }
130
131 if (!AcpiGbl_RootTableList.Tables[i].Pointer)
132 {
133 continue;
134 }
135 }
136
137 /* Check for table match on all IDs */
138
139 if (!memcmp (AcpiGbl_RootTableList.Tables[i].Pointer->Signature,
140 Header.Signature, ACPI_NAMESEG_SIZE) &&
141 (!OemId[0] ||
142 !memcmp (AcpiGbl_RootTableList.Tables[i].Pointer->OemId,
143 Header.OemId, ACPI_OEM_ID_SIZE)) &&
144 (!OemTableId[0] ||
145 !memcmp (AcpiGbl_RootTableList.Tables[i].Pointer->OemTableId,
146 Header.OemTableId, ACPI_OEM_TABLE_ID_SIZE)))
147 {
148 *TableIndex = i;
149
150 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n",
151 Header.Signature));
152 goto UnlockAndExit;
153 }
154 }
156
157UnlockAndExit:
160}
unsigned int UINT32
int memcmp(void *Buffer1, void *Buffer2, ACPI_SIZE Count)
Definition: utclib.c:112
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
char * strncpy(char *DstString, const char *SrcString, ACPI_SIZE Count)
Definition: utclib.c:427
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
#define AE_BAD_SIGNATURE
Definition: acexcep.h:167
#define AE_NOT_FOUND
Definition: acexcep.h:113
#define AE_AML_STRING_LIMIT
Definition: acexcep.h:196
#define AE_OK
Definition: acexcep.h:97
#define ACPI_MTX_TABLES
Definition: aclocal.h:86
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
#define ACPI_DB_TABLES
Definition: acoutput.h:169
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
ACPI_STATUS AcpiTbValidateTable(ACPI_TABLE_DESC *TableDesc)
Definition: tbdata.c:375
#define ACPI_OEM_ID_SIZE
Definition: actypes.h:421
#define ACPI_COPY_NAMESEG(dest, src)
Definition: actypes.h:565
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_OEM_TABLE_ID_SIZE
Definition: actypes.h:422
#define ACPI_NAMESEG_SIZE
Definition: actypes.h:415
ACPI_STATUS AcpiUtAcquireMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:256
ACPI_STATUS AcpiUtReleaseMutex(ACPI_MUTEX_HANDLE MutexId)
Definition: utmutex.c:348
BOOLEAN AcpiUtValidNameseg(char *Signature)
Definition: utascii.c:63
Definition: Header.h:9
static const WCHAR Signature[]
Definition: parser.c:141
Status
Definition: gdiplustypes.h:25
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define memset(x, y, z)
Definition: compat.h:39

Referenced by AcpiDsEvalTableRegionOperands(), and AcpiExLoadTableOp().