diff options
Diffstat (limited to 'MdePkg/Library/UefiLib/Acpi.c')
| -rw-r--r-- | MdePkg/Library/UefiLib/Acpi.c | 130 |
1 files changed, 67 insertions, 63 deletions
diff --git a/MdePkg/Library/UefiLib/Acpi.c b/MdePkg/Library/UefiLib/Acpi.c index d4f7fc8aa8..397fde24ed 100644 --- a/MdePkg/Library/UefiLib/Acpi.c +++ b/MdePkg/Library/UefiLib/Acpi.c @@ -30,18 +30,18 @@ **/
EFI_ACPI_COMMON_HEADER *
ScanTableInSDT (
- IN EFI_ACPI_DESCRIPTION_HEADER *Sdt,
- IN UINTN TablePointerSize,
- IN UINT32 Signature,
- IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL,
- OUT BOOLEAN *PreviousTableLocated OPTIONAL
+ IN EFI_ACPI_DESCRIPTION_HEADER *Sdt,
+ IN UINTN TablePointerSize,
+ IN UINT32 Signature,
+ IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL,
+ OUT BOOLEAN *PreviousTableLocated OPTIONAL
)
{
- UINTN Index;
- UINTN EntryCount;
- UINT64 EntryPtr;
- UINTN BasePtr;
- EFI_ACPI_COMMON_HEADER *Table;
+ UINTN Index;
+ UINTN EntryCount;
+ UINT64 EntryPtr;
+ UINTN BasePtr;
+ EFI_ACPI_COMMON_HEADER *Table;
if (PreviousTableLocated != NULL) {
ASSERT (PreviousTable != NULL);
@@ -57,7 +57,7 @@ ScanTableInSDT ( EntryCount = (Sdt->Length - sizeof (EFI_ACPI_DESCRIPTION_HEADER)) / TablePointerSize;
BasePtr = (UINTN)(Sdt + 1);
- for (Index = 0; Index < EntryCount; Index ++) {
+ for (Index = 0; Index < EntryCount; Index++) {
EntryPtr = 0;
CopyMem (&EntryPtr, (VOID *)(BasePtr + Index * TablePointerSize), TablePointerSize);
Table = (EFI_ACPI_COMMON_HEADER *)((UINTN)(EntryPtr));
@@ -77,7 +77,6 @@ ScanTableInSDT ( //
return Table;
}
-
}
}
@@ -97,8 +96,8 @@ LocateAcpiFacsFromFadt ( IN EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt
)
{
- EFI_ACPI_COMMON_HEADER *Facs;
- UINT64 Data64;
+ EFI_ACPI_COMMON_HEADER *Facs;
+ UINT64 Data64;
if (Fadt == NULL) {
return NULL;
@@ -107,13 +106,14 @@ LocateAcpiFacsFromFadt ( if (Fadt->Header.Revision < EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION) {
Facs = (EFI_ACPI_COMMON_HEADER *)(UINTN)Fadt->FirmwareCtrl;
} else {
- CopyMem (&Data64, &Fadt->XFirmwareCtrl, sizeof(UINT64));
+ CopyMem (&Data64, &Fadt->XFirmwareCtrl, sizeof (UINT64));
if (Data64 != 0) {
Facs = (EFI_ACPI_COMMON_HEADER *)(UINTN)Data64;
} else {
Facs = (EFI_ACPI_COMMON_HEADER *)(UINTN)Fadt->FirmwareCtrl;
}
}
+
return Facs;
}
@@ -130,8 +130,8 @@ LocateAcpiDsdtFromFadt ( IN EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt
)
{
- EFI_ACPI_COMMON_HEADER *Dsdt;
- UINT64 Data64;
+ EFI_ACPI_COMMON_HEADER *Dsdt;
+ UINT64 Data64;
if (Fadt == NULL) {
return NULL;
@@ -140,13 +140,14 @@ LocateAcpiDsdtFromFadt ( if (Fadt->Header.Revision < EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION) {
Dsdt = (EFI_ACPI_COMMON_HEADER *)(UINTN)Fadt->Dsdt;
} else {
- CopyMem (&Data64, &Fadt->XDsdt, sizeof(UINT64));
+ CopyMem (&Data64, &Fadt->XDsdt, sizeof (UINT64));
if (Data64 != 0) {
Dsdt = (EFI_ACPI_COMMON_HEADER *)(UINTN)Data64;
} else {
Dsdt = (EFI_ACPI_COMMON_HEADER *)(UINTN)Fadt->Dsdt;
}
}
+
return Dsdt;
}
@@ -170,10 +171,10 @@ LocateAcpiDsdtFromFadt ( **/
EFI_ACPI_COMMON_HEADER *
LocateAcpiTableInAcpiConfigurationTable (
- IN EFI_GUID *AcpiGuid,
- IN UINT32 Signature,
- IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL,
- OUT BOOLEAN *PreviousTableLocated OPTIONAL
+ IN EFI_GUID *AcpiGuid,
+ IN UINT32 Signature,
+ IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL,
+ OUT BOOLEAN *PreviousTableLocated OPTIONAL
)
{
EFI_STATUS Status;
@@ -194,7 +195,7 @@ LocateAcpiTableInAcpiConfigurationTable ( //
// Get ACPI ConfigurationTable (RSD_PTR)
//
- Status = EfiGetSystemConfigurationTable(AcpiGuid, (VOID **)&Rsdp);
+ Status = EfiGetSystemConfigurationTable (AcpiGuid, (VOID **)&Rsdp);
if (EFI_ERROR (Status) || (Rsdp == NULL)) {
return NULL;
}
@@ -205,20 +206,20 @@ LocateAcpiTableInAcpiConfigurationTable ( // Search XSDT
//
if (Rsdp->Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION) {
- Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) Rsdp->XsdtAddress;
+ Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Rsdp->XsdtAddress;
if (Signature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) {
ASSERT (PreviousTable == NULL);
//
// It is to locate DSDT,
// need to locate FADT first.
//
- Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) ScanTableInSDT (
- Xsdt,
- sizeof (UINT64),
- EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
- NULL,
- NULL
- );
+ Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)ScanTableInSDT (
+ Xsdt,
+ sizeof (UINT64),
+ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ NULL,
+ NULL
+ );
Table = LocateAcpiDsdtFromFadt (Fadt);
} else if (Signature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) {
ASSERT (PreviousTable == NULL);
@@ -226,13 +227,13 @@ LocateAcpiTableInAcpiConfigurationTable ( // It is to locate FACS,
// need to locate FADT first.
//
- Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) ScanTableInSDT (
- Xsdt,
- sizeof (UINT64),
- EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
- NULL,
- NULL
- );
+ Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)ScanTableInSDT (
+ Xsdt,
+ sizeof (UINT64),
+ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ NULL,
+ NULL
+ );
Table = LocateAcpiFacsFromFadt (Fadt);
} else {
Table = ScanTableInSDT (
@@ -248,7 +249,8 @@ LocateAcpiTableInAcpiConfigurationTable ( if (Table != NULL) {
return Table;
} else if ((PreviousTableLocated != NULL) &&
- *PreviousTableLocated) {
+ *PreviousTableLocated)
+ {
//
// PreviousTable could be located in XSDT,
// but next table could not be located in XSDT.
@@ -259,20 +261,20 @@ LocateAcpiTableInAcpiConfigurationTable ( //
// Search RSDT
//
- Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN) Rsdp->RsdtAddress;
+ Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)Rsdp->RsdtAddress;
if (Signature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) {
ASSERT (PreviousTable == NULL);
//
// It is to locate DSDT,
// need to locate FADT first.
//
- Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) ScanTableInSDT (
- Rsdt,
- sizeof (UINT32),
- EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
- NULL,
- NULL
- );
+ Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)ScanTableInSDT (
+ Rsdt,
+ sizeof (UINT32),
+ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ NULL,
+ NULL
+ );
Table = LocateAcpiDsdtFromFadt (Fadt);
} else if (Signature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) {
ASSERT (PreviousTable == NULL);
@@ -280,13 +282,13 @@ LocateAcpiTableInAcpiConfigurationTable ( // It is to locate FACS,
// need to locate FADT first.
//
- Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *) ScanTableInSDT (
- Rsdt,
- sizeof (UINT32),
- EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
- NULL,
- NULL
- );
+ Fadt = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)ScanTableInSDT (
+ Rsdt,
+ sizeof (UINT32),
+ EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ NULL,
+ NULL
+ );
Table = LocateAcpiFacsFromFadt (Fadt);
} else {
Table = ScanTableInSDT (
@@ -339,13 +341,13 @@ LocateAcpiTableInAcpiConfigurationTable ( EFI_ACPI_COMMON_HEADER *
EFIAPI
EfiLocateNextAcpiTable (
- IN UINT32 Signature,
- IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL
+ IN UINT32 Signature,
+ IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL
)
{
- EFI_ACPI_COMMON_HEADER *Table;
- BOOLEAN TempPreviousTableLocated;
- BOOLEAN *PreviousTableLocated;
+ EFI_ACPI_COMMON_HEADER *Table;
+ BOOLEAN TempPreviousTableLocated;
+ BOOLEAN *PreviousTableLocated;
if (PreviousTable != NULL) {
if (PreviousTable->Signature != Signature) {
@@ -355,7 +357,8 @@ EfiLocateNextAcpiTable ( return NULL;
} else if ((Signature == EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) ||
(Signature == EFI_ACPI_2_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE) ||
- (Signature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE)) {
+ (Signature == EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE))
+ {
//
// There is only one FADT/DSDT/FACS table,
// so don't try to locate next one.
@@ -363,7 +366,7 @@ EfiLocateNextAcpiTable ( return NULL;
}
- PreviousTableLocated = &TempPreviousTableLocated;
+ PreviousTableLocated = &TempPreviousTableLocated;
*PreviousTableLocated = FALSE;
} else {
PreviousTableLocated = NULL;
@@ -378,7 +381,8 @@ EfiLocateNextAcpiTable ( if (Table != NULL) {
return Table;
} else if ((PreviousTableLocated != NULL) &&
- *PreviousTableLocated) {
+ *PreviousTableLocated)
+ {
//
// PreviousTable could be located in gEfiAcpi20TableGuid system
// configuration table, but next table could not be located in
@@ -415,7 +419,7 @@ EfiLocateNextAcpiTable ( EFI_ACPI_COMMON_HEADER *
EFIAPI
EfiLocateFirstAcpiTable (
- IN UINT32 Signature
+ IN UINT32 Signature
)
{
return EfiLocateNextAcpiTable (Signature, NULL);
|