本文整理汇总了C++中AcpiOsMapMemory函数的典型用法代码示例。如果您正苦于以下问题:C++ AcpiOsMapMemory函数的具体用法?C++ AcpiOsMapMemory怎么用?C++ AcpiOsMapMemory使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了AcpiOsMapMemory函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: OslMapTable
static ACPI_STATUS
OslMapTable (
ACPI_SIZE Address,
char *Signature,
ACPI_TABLE_HEADER **Table)
{
ACPI_TABLE_HEADER *MappedTable;
UINT32 Length;
/* Map the header so we can get the table length */
MappedTable = AcpiOsMapMemory (Address, sizeof (*MappedTable));
if (!MappedTable)
{
return (AE_BAD_ADDRESS);
}
/* Check if table is valid */
if (!ApIsValidHeader (MappedTable))
{
AcpiOsUnmapMemory (MappedTable, sizeof (*MappedTable));
return (AE_BAD_HEADER);
}
/* If specified, signature must match */
if (Signature &&
!ACPI_COMPARE_NAME (Signature, MappedTable->Signature))
{
AcpiOsUnmapMemory (MappedTable, sizeof (*MappedTable));
return (AE_NOT_EXIST);
}
/* Map the entire table */
Length = MappedTable->Length;
AcpiOsUnmapMemory (MappedTable, sizeof (*MappedTable));
MappedTable = AcpiOsMapMemory (Address, Length);
if (!MappedTable)
{
return (AE_BAD_ADDRESS);
}
(void) ApIsValidChecksum (MappedTable);
*Table = MappedTable;
return (AE_OK);
}
示例2: AcpiOsWriteMemory
ACPI_STATUS
AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT64 Value, UINT32 Width)
{
void *LogicalAddress;
LogicalAddress = AcpiOsMapMemory(Address, Width / 8);
if (LogicalAddress == NULL)
return (AE_NOT_EXIST);
switch (Width) {
case 8:
*(volatile uint8_t *)LogicalAddress = Value;
break;
case 16:
*(volatile uint16_t *)LogicalAddress = Value;
break;
case 32:
*(volatile uint32_t *)LogicalAddress = Value;
break;
case 64:
*(volatile uint64_t *)LogicalAddress = Value;
break;
}
AcpiOsUnmapMemory(LogicalAddress, Width / 8);
return (AE_OK);
}
示例3: AcpiOsWriteMemory
/*
* AcpiOsWriteMemory:
*
* Write a value to a memory location.
*/
ACPI_STATUS
AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 Value, UINT32 Width)
{
void *LogicalAddress;
ACPI_STATUS rv = AE_OK;
LogicalAddress = AcpiOsMapMemory(Address, Width / 8);
if (LogicalAddress == NULL)
return AE_NOT_FOUND;
switch (Width) {
case 8:
*(volatile uint8_t *) LogicalAddress = Value;
break;
case 16:
*(volatile uint16_t *) LogicalAddress = Value;
break;
case 32:
*(volatile uint32_t *) LogicalAddress = Value;
break;
default:
rv = AE_BAD_PARAMETER;
}
AcpiOsUnmapMemory(LogicalAddress, Width / 8);
return rv;
}
示例4: AcpiTbInstallTable
void
AcpiTbInstallTable (
ACPI_PHYSICAL_ADDRESS Address,
char *Signature,
UINT32 TableIndex)
{
ACPI_TABLE_HEADER *Table;
ACPI_TABLE_HEADER *FinalTable;
ACPI_TABLE_DESC *TableDesc;
if (!Address)
{
ACPI_ERROR ((AE_INFO, "Null physical address for ACPI table [%s]",
Signature));
return;
}
/* Map just the table header */
Table = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
if (!Table)
{
ACPI_ERROR ((AE_INFO, "Could not map memory for table [%s] at %p",
Signature, ACPI_CAST_PTR (void, Address)));
return;
}
示例5: AcpiOsReadMemory
ACPI_STATUS
AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address, UINT32 *Value, UINT32 Width)
{
void *LogicalAddress;
LogicalAddress = AcpiOsMapMemory(Address, Width / 8);
if (LogicalAddress == NULL)
return (AE_NOT_EXIST);
switch (Width) {
case 8:
*(u_int8_t *)Value = (*(volatile u_int8_t *)LogicalAddress);
break;
case 16:
*(u_int16_t *)Value = (*(volatile u_int16_t *)LogicalAddress);
break;
case 32:
*(u_int32_t *)Value = (*(volatile u_int32_t *)LogicalAddress);
break;
case 64:
*(u_int64_t *)Value = (*(volatile u_int64_t *)LogicalAddress);
break;
default:
/* debug trap goes here */
break;
}
AcpiOsUnmapMemory(LogicalAddress, Width / 8);
return (AE_OK);
}
示例6: AcpiTbParseFadt
void
AcpiTbParseFadt (
void)
{
UINT32 Length;
ACPI_TABLE_HEADER *Table;
/*
* The FADT has multiple versions with different lengths,
* and it contains pointers to both the DSDT and FACS tables.
*
* Get a local copy of the FADT and convert it to a common format
* Map entire FADT, assumed to be smaller than one page.
*/
Length = AcpiGbl_RootTableList.Tables[AcpiGbl_FadtIndex].Length;
Table = AcpiOsMapMemory (
AcpiGbl_RootTableList.Tables[AcpiGbl_FadtIndex].Address, Length);
if (!Table)
{
return;
}
/*
* Validate the FADT checksum before we copy the table. Ignore
* checksum error as we want to try to get the DSDT and FACS.
*/
(void) AcpiTbVerifyChecksum (Table, Length);
/* Create a local copy of the FADT in common ACPI 2.0+ format */
AcpiTbCreateLocalFadt (Table, Length);
/* All done with the real FADT, unmap it */
AcpiOsUnmapMemory (Table, Length);
/* Obtain the DSDT and FACS tables via their addresses within the FADT */
AcpiTbInstallFixedTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
ACPI_SIG_DSDT, &AcpiGbl_DsdtIndex);
/* If Hardware Reduced flag is set, there is no FACS */
if (!AcpiGbl_ReducedHardware)
{
if (AcpiGbl_FADT.Facs)
{
AcpiTbInstallFixedTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.Facs,
ACPI_SIG_FACS, &AcpiGbl_FacsIndex);
}
if (AcpiGbl_FADT.XFacs)
{
AcpiTbInstallFixedTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
ACPI_SIG_FACS, &AcpiGbl_XFacsIndex);
}
}
}
示例7: AcpiTbAcquireTempTable
ACPI_STATUS
AcpiTbAcquireTempTable (
ACPI_TABLE_DESC *TableDesc,
ACPI_PHYSICAL_ADDRESS Address,
UINT8 Flags)
{
ACPI_TABLE_HEADER *TableHeader;
switch (Flags & ACPI_TABLE_ORIGIN_MASK)
{
case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
/* Get the length of the full table from the header */
TableHeader = AcpiOsMapMemory (Address, sizeof (ACPI_TABLE_HEADER));
if (!TableHeader)
{
return (AE_NO_MEMORY);
}
AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
AcpiOsUnmapMemory (TableHeader, sizeof (ACPI_TABLE_HEADER));
return (AE_OK);
case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
TableHeader = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
ACPI_PHYSADDR_TO_PTR (Address));
if (!TableHeader)
{
return (AE_NO_MEMORY);
}
AcpiTbInitTableDescriptor (TableDesc, Address, Flags, TableHeader);
return (AE_OK);
default:
break;
}
/* Table is not valid yet */
return (AE_NO_MEMORY);
}
示例8: AcpiTbParseFadt
void
AcpiTbParseFadt (
ACPI_NATIVE_UINT TableIndex,
UINT8 Flags)
{
UINT32 Length;
ACPI_TABLE_HEADER *Table;
/*
* The FADT has multiple versions with different lengths,
* and it contains pointers to both the DSDT and FACS tables.
*
* Get a local copy of the FADT and convert it to a common format
* Map entire FADT, assumed to be smaller than one page.
*/
Length = AcpiGbl_RootTableList.Tables[TableIndex].Length;
Table = AcpiOsMapMemory (
AcpiGbl_RootTableList.Tables[TableIndex].Address, Length);
if (!Table)
{
return;
}
/*
* Validate the FADT checksum before we copy the table. Ignore
* checksum error as we want to try to get the DSDT and FACS.
*/
(void) AcpiTbVerifyChecksum (Table, Length);
/* Obtain a local copy of the FADT in common ACPI 2.0+ format */
AcpiTbCreateLocalFadt (Table, Length);
/* All done with the real FADT, unmap it */
AcpiOsUnmapMemory (Table, Length);
/* Obtain the DSDT and FACS tables via their addresses within the FADT */
AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
Flags, ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
Flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
}
示例9: AcpiTbAcquireTable
ACPI_STATUS
AcpiTbAcquireTable (
ACPI_TABLE_DESC *TableDesc,
ACPI_TABLE_HEADER **TablePtr,
UINT32 *TableLength,
UINT8 *TableFlags)
{
ACPI_TABLE_HEADER *Table = NULL;
switch (TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK)
{
case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
Table = AcpiOsMapMemory (TableDesc->Address, TableDesc->Length);
break;
case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER,
ACPI_PHYSADDR_TO_PTR (TableDesc->Address));
break;
default:
break;
}
/* Table is not valid yet */
if (!Table)
{
return (AE_NO_MEMORY);
}
/* Fill the return values */
*TablePtr = Table;
*TableLength = TableDesc->Length;
*TableFlags = TableDesc->Flags;
return (AE_OK);
}
示例10: AcpiTbTableOverride
ACPI_TABLE_HEADER *
AcpiTbTableOverride (
ACPI_TABLE_HEADER *TableHeader,
ACPI_TABLE_DESC *TableDesc)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER *NewTable = NULL;
ACPI_PHYSICAL_ADDRESS NewAddress = 0;
UINT32 NewTableLength = 0;
UINT8 NewFlags;
char *OverrideType;
/* (1) Attempt logical override (returns a logical address) */
Status = AcpiOsTableOverride (TableHeader, &NewTable);
if (ACPI_SUCCESS (Status) && NewTable)
{
NewAddress = ACPI_PTR_TO_PHYSADDR (NewTable);
NewTableLength = NewTable->Length;
NewFlags = ACPI_TABLE_ORIGIN_OVERRIDE;
OverrideType = "Logical";
goto FinishOverride;
}
/* (2) Attempt physical override (returns a physical address) */
Status = AcpiOsPhysicalTableOverride (TableHeader,
&NewAddress, &NewTableLength);
if (ACPI_SUCCESS (Status) && NewAddress && NewTableLength)
{
/* Map the entire new table */
NewTable = AcpiOsMapMemory (NewAddress, NewTableLength);
if (!NewTable)
{
ACPI_EXCEPTION ((AE_INFO, AE_NO_MEMORY,
"%4.4s %p Attempted physical table override failed",
TableHeader->Signature,
ACPI_CAST_PTR (void, TableDesc->Address)));
return (NULL);
}
示例11: AcpiTbVerifyTable
ACPI_STATUS
AcpiTbVerifyTable (
ACPI_TABLE_DESC *TableDesc)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (TbVerifyTable);
/* Map the table if necessary */
if (!TableDesc->Pointer)
{
if ((TableDesc->Flags & ACPI_TABLE_ORIGIN_MASK) ==
ACPI_TABLE_ORIGIN_MAPPED)
{
TableDesc->Pointer = AcpiOsMapMemory (
TableDesc->Address, TableDesc->Length);
}
if (!TableDesc->Pointer)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
}
/* FACS is the odd table, has no standard ACPI header and no checksum */
if (!ACPI_COMPARE_NAME (&TableDesc->Signature, ACPI_SIG_FACS))
{
/* Always calculate checksum, ignore bad checksum if requested */
Status = AcpiTbVerifyChecksum (TableDesc->Pointer, TableDesc->Length);
}
return_ACPI_STATUS (Status);
}
示例12: AcpiExSystemMemorySpaceHandler
//.........这里部分代码省略.........
/*
* October 2009: Attempt to map from the requested address to the
* end of the region. However, we will never map more than one
* page, nor will we cross a page boundary.
*/
MapLength = (ACPI_SIZE)
((MemInfo->Address + MemInfo->Length) - Address);
/*
* If mapping the entire remaining portion of the region will cross
* a page boundary, just map up to the page boundary, do not cross.
* On some systems, crossing a page boundary while mapping regions
* can cause warnings if the pages have different attributes
* due to resource management.
*
* This has the added benefit of constraining a single mapping to
* one page, which is similar to the original code that used a 4k
* maximum window.
*/
PageBoundaryMapLength = (ACPI_SIZE)
(ACPI_ROUND_UP (Address, ACPI_DEFAULT_PAGE_SIZE) - Address);
if (PageBoundaryMapLength == 0)
{
PageBoundaryMapLength = ACPI_DEFAULT_PAGE_SIZE;
}
if (MapLength > PageBoundaryMapLength)
{
MapLength = PageBoundaryMapLength;
}
/* Create a new mapping starting at the address given */
MemInfo->MappedLogicalAddress = AcpiOsMapMemory (Address, MapLength);
if (!MemInfo->MappedLogicalAddress)
{
ACPI_ERROR ((AE_INFO,
"Could not map memory at 0x%8.8X%8.8X, size %u",
ACPI_FORMAT_UINT64 (Address), (UINT32) MapLength));
MemInfo->MappedLength = 0;
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Save the physical address and mapping size */
MemInfo->MappedPhysicalAddress = Address;
MemInfo->MappedLength = MapLength;
}
/*
* Generate a logical pointer corresponding to the address we want to
* access
*/
LogicalAddrPtr = MemInfo->MappedLogicalAddress +
((UINT64) Address - (UINT64) MemInfo->MappedPhysicalAddress);
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n",
BitWidth, Function, ACPI_FORMAT_UINT64 (Address)));
/*
* Perform the memory read or write
*
* Note: For machines that do not support non-aligned transfers, the target
* address was checked for alignment above. We do not attempt to break the
* transfer up into smaller (byte-size) chunks because the AML specifically
示例13: AcpiExSystemMemorySpaceHandler
ACPI_STATUS
AcpiExSystemMemorySpaceHandler (
UINT32 Function,
ACPI_PHYSICAL_ADDRESS Address,
UINT32 BitWidth,
ACPI_INTEGER *Value,
void *HandlerContext,
void *RegionContext)
{
ACPI_STATUS Status = AE_OK;
void *LogicalAddrPtr = NULL;
ACPI_MEM_SPACE_CONTEXT *MemInfo = RegionContext;
UINT32 Length;
ACPI_SIZE WindowSize;
#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
UINT32 Remainder;
#endif
ACPI_FUNCTION_TRACE (ExSystemMemorySpaceHandler);
/* Validate and translate the bit width */
switch (BitWidth)
{
case 8:
Length = 1;
break;
case 16:
Length = 2;
break;
case 32:
Length = 4;
break;
case 64:
Length = 8;
break;
default:
ACPI_ERROR ((AE_INFO, "Invalid SystemMemory width %d",
BitWidth));
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
}
#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
/*
* Hardware does not support non-aligned data transfers, we must verify
* the request.
*/
(void) AcpiUtShortDivide ((ACPI_INTEGER) Address, Length, NULL, &Remainder);
if (Remainder != 0)
{
return_ACPI_STATUS (AE_AML_ALIGNMENT);
}
#endif
/*
* Does the request fit into the cached memory mapping?
* Is 1) Address below the current mapping? OR
* 2) Address beyond the current mapping?
*/
if ((Address < MemInfo->MappedPhysicalAddress) ||
(((ACPI_INTEGER) Address + Length) >
((ACPI_INTEGER)
MemInfo->MappedPhysicalAddress + MemInfo->MappedLength)))
{
/*
* The request cannot be resolved by the current memory mapping;
* Delete the existing mapping and create a new one.
*/
if (MemInfo->MappedLength)
{
/* Valid mapping, delete it */
AcpiOsUnmapMemory (MemInfo->MappedLogicalAddress,
MemInfo->MappedLength);
}
/*
* Don't attempt to map memory beyond the end of the region, and
* constrain the maximum mapping size to something reasonable.
*/
WindowSize = (ACPI_SIZE)
((MemInfo->Address + MemInfo->Length) - Address);
if (WindowSize > ACPI_SYSMEM_REGION_WINDOW_SIZE)
{
WindowSize = ACPI_SYSMEM_REGION_WINDOW_SIZE;
}
/* Create a new mapping starting at the address given */
MemInfo->MappedLogicalAddress = AcpiOsMapMemory (
(ACPI_PHYSICAL_ADDRESS) Address, WindowSize);
if (!MemInfo->MappedLogicalAddress)
{
//.........这里部分代码省略.........
示例14: OslAddTablesToList
static ACPI_STATUS
OslAddTablesToList(
void)
{
ACPI_PHYSICAL_ADDRESS TableAddress;
OSL_TABLE_INFO *Info = NULL;
OSL_TABLE_INFO *NewInfo;
ACPI_TABLE_HEADER *Table;
UINT8 Instance;
UINT8 NumberOfTables;
int i;
/* Initialize the table list on first invocation */
if (Gbl_TableListInitialized)
{
return (AE_OK);
}
/* Add mandatory tables to global table list first */
for (i = 0; i < 4; i++)
{
NewInfo = calloc (1, sizeof (*NewInfo));
if (!NewInfo)
{
return (AE_NO_MEMORY);
}
switch (i) {
case 0:
Gbl_TableListHead = Info = NewInfo;
continue;
case 1:
ACPI_MOVE_NAME (NewInfo->Signature,
Gbl_Revision ? ACPI_SIG_XSDT : ACPI_SIG_RSDT);
break;
case 2:
ACPI_MOVE_NAME (NewInfo->Signature, ACPI_SIG_FACS);
break;
default:
ACPI_MOVE_NAME (NewInfo->Signature, ACPI_SIG_DSDT);
}
Info->Next = NewInfo;
Info = NewInfo;
Gbl_TableListHead->Instance++;
}
/* Add normal tables from RSDT/XSDT to global list */
if (Gbl_Revision)
{
NumberOfTables =
(Gbl_Xsdt->Header.Length - sizeof (Gbl_Xsdt->Header))
/ sizeof (Gbl_Xsdt->TableOffsetEntry[0]);
}
else
{
NumberOfTables =
(Gbl_Rsdt->Header.Length - sizeof (Gbl_Rsdt->Header))
/ sizeof (Gbl_Rsdt->TableOffsetEntry[0]);
}
for (i = 0; i < NumberOfTables; i++)
{
if (Gbl_Revision)
{
TableAddress = Gbl_Xsdt->TableOffsetEntry[i];
}
else
{
TableAddress = Gbl_Rsdt->TableOffsetEntry[i];
}
Table = AcpiOsMapMemory (TableAddress, sizeof (*Table));
if (!Table)
{
return (AE_BAD_ADDRESS);
}
Instance = 0;
NewInfo = Gbl_TableListHead;
while (NewInfo->Next != NULL)
{
NewInfo = NewInfo->Next;
if (ACPI_COMPARE_NAME (Table->Signature, NewInfo->Signature))
{
Instance++;
}
}
//.........这里部分代码省略.........
示例15: OslGetTableViaRoot
static ACPI_STATUS
OslGetTableViaRoot (
char *Signature,
UINT32 Instance,
ACPI_TABLE_HEADER **Table,
ACPI_PHYSICAL_ADDRESS *Address)
{
ACPI_TABLE_HEADER *LocalTable = NULL;
ACPI_TABLE_HEADER *MappedTable = NULL;
UINT8 NumberOfTables;
UINT32 CurrentInstance = 0;
ACPI_PHYSICAL_ADDRESS TableAddress = 0;
ACPI_STATUS Status;
UINT32 i;
/* DSDT and FACS address must be extracted from the FADT */
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT) ||
ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
{
/*
* Get the appropriate address, either 32-bit or 64-bit. Be very
* careful about the FADT length and validate table addresses.
* Note: The 64-bit addresses have priority.
*/
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_DSDT))
{
if ((Gbl_Fadt->Header.Length >= MIN_FADT_FOR_XDSDT) &&
Gbl_Fadt->XDsdt)
{
TableAddress = (ACPI_PHYSICAL_ADDRESS) Gbl_Fadt->XDsdt;
}
else if ((Gbl_Fadt->Header.Length >= MIN_FADT_FOR_DSDT) &&
Gbl_Fadt->Dsdt)
{
TableAddress = (ACPI_PHYSICAL_ADDRESS) Gbl_Fadt->Dsdt;
}
}
else /* FACS */
{
if ((Gbl_Fadt->Header.Length >= MIN_FADT_FOR_XFACS) &&
Gbl_Fadt->XFacs)
{
TableAddress = (ACPI_PHYSICAL_ADDRESS) Gbl_Fadt->XFacs;
}
else if ((Gbl_Fadt->Header.Length >= MIN_FADT_FOR_FACS) &&
Gbl_Fadt->Facs)
{
TableAddress = (ACPI_PHYSICAL_ADDRESS) Gbl_Fadt->Facs;
}
}
}
else /* Case for a normal ACPI table */
{
if (Gbl_Revision)
{
NumberOfTables =
(Gbl_Xsdt->Header.Length - sizeof (Gbl_Xsdt->Header))
/ sizeof (Gbl_Xsdt->TableOffsetEntry[0]);
}
else /* Use RSDT if XSDT is not available */
{
NumberOfTables =
(Gbl_Rsdt->Header.Length - sizeof (Gbl_Rsdt->Header))
/ sizeof (Gbl_Rsdt->TableOffsetEntry[0]);
}
/* Search RSDT/XSDT for the requested table */
for (i = 0; i < NumberOfTables; i++)
{
if (Gbl_Revision)
{
TableAddress = Gbl_Xsdt->TableOffsetEntry[i];
}
else
{
TableAddress = Gbl_Rsdt->TableOffsetEntry[i];
}
MappedTable = AcpiOsMapMemory (TableAddress, sizeof (*MappedTable));
if (!MappedTable)
{
return (AE_BAD_ADDRESS);
}
/* Does this table match the requested signature? */
if (ACPI_COMPARE_NAME (MappedTable->Signature, Signature))
{
/* Match table instance (for SSDT/UEFI tables) */
if (CurrentInstance == Instance)
{
AcpiOsUnmapMemory (MappedTable, sizeof (*MappedTable));
break;
}
//.........这里部分代码省略.........