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OvmfPkg: Apply uncrustify changes

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737

Apply uncrustify changes to .c/.h files in the OvmfPkg package

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Andrew Fish <afish@apple.com>
This commit is contained in:
Michael Kubacki
2021-12-05 14:54:09 -08:00
committed by mergify[bot]
parent d1050b9dff
commit ac0a286f4d
445 changed files with 30894 additions and 26369 deletions
Download Patch File Download Diff File Expand all files Collapse all files

186
OvmfPkg/Csm/LegacyBiosDxe/LegacyBbs.c
View File

@@ -14,13 +14,13 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
// FLOPPY_NOT_PRESENT = No floppy controller present
// FLOPPY_PRESENT_NO_MEDIA = Floppy controller present but no media inserted
//
#define FLOPPY_NOT_PRESENT 0
#define FLOPPY_PRESENT_WITH_MEDIA 1
#define FLOPPY_PRESENT_NO_MEDIA 2
#define FLOPPY_NOT_PRESENT 0
#define FLOPPY_PRESENT_WITH_MEDIA 1
#define FLOPPY_PRESENT_NO_MEDIA 2
BBS_TABLE *mBbsTable;
BOOLEAN mBbsTableDoneFlag = FALSE;
BOOLEAN IsHaveMediaInFloppy = TRUE;
BBS_TABLE *mBbsTable;
BOOLEAN mBbsTableDoneFlag = FALSE;
BOOLEAN IsHaveMediaInFloppy = TRUE;
/**
Checks the state of the floppy and if media is inserted.
@@ -44,23 +44,23 @@ HasMediaInFloppy (
VOID
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
HandleBuffer = NULL;
HandleCount = 0;
HandleBuffer = NULL;
HandleCount = 0;
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiIsaIoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
ByProtocol,
&gEfiIsaIoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
//
// If don't find any ISA/IO protocol assume no floppy. Need for floppy
@@ -76,7 +76,7 @@ HasMediaInFloppy (
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiIsaIoProtocolGuid,
(VOID **) &IsaIo
(VOID **)&IsaIo
);
if (EFI_ERROR (Status)) {
continue;
@@ -85,6 +85,7 @@ HasMediaInFloppy (
if (IsaIo->ResourceList->Device.HID != EISA_PNP_ID (0x604)) {
continue;
}
//
// Update blockio in case the floppy is inserted in during BdsTimeout
//
@@ -103,7 +104,7 @@ HasMediaInFloppy (
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo
(VOID **)&BlkIo
);
if (EFI_ERROR (Status)) {
continue;
@@ -121,10 +122,8 @@ HasMediaInFloppy (
FreePool (HandleBuffer);
return FLOPPY_NOT_PRESENT;
}
/**
Complete build of BBS TABLE.
@@ -136,8 +135,8 @@ HasMediaInFloppy (
**/
EFI_STATUS
LegacyBiosBuildBbs (
IN LEGACY_BIOS_INSTANCE *Private,
IN BBS_TABLE *BbsTable
IN LEGACY_BIOS_INSTANCE *Private,
IN BBS_TABLE *BbsTable
)
{
UINTN BbsIndex;
@@ -172,18 +171,18 @@ LegacyBiosBuildBbs (
}
}
BbsTable[0].Bus = 0xff;
BbsTable[0].Device = 0xff;
BbsTable[0].Function = 0xff;
BbsTable[0].DeviceType = BBS_FLOPPY;
BbsTable[0].Class = 01;
BbsTable[0].SubClass = 02;
BbsTable[0].StatusFlags.OldPosition = 0;
BbsTable[0].StatusFlags.Reserved1 = 0;
BbsTable[0].StatusFlags.Enabled = 0;
BbsTable[0].StatusFlags.Failed = 0;
BbsTable[0].StatusFlags.MediaPresent = 0;
BbsTable[0].StatusFlags.Reserved2 = 0;
BbsTable[0].Bus = 0xff;
BbsTable[0].Device = 0xff;
BbsTable[0].Function = 0xff;
BbsTable[0].DeviceType = BBS_FLOPPY;
BbsTable[0].Class = 01;
BbsTable[0].SubClass = 02;
BbsTable[0].StatusFlags.OldPosition = 0;
BbsTable[0].StatusFlags.Reserved1 = 0;
BbsTable[0].StatusFlags.Enabled = 0;
BbsTable[0].StatusFlags.Failed = 0;
BbsTable[0].StatusFlags.MediaPresent = 0;
BbsTable[0].StatusFlags.Reserved2 = 0;
//
// Onboard HDD - Note Each HDD controller controls 2 drives
@@ -196,10 +195,8 @@ LegacyBiosBuildBbs (
LegacyBiosBuildIdeData (Private, &HddInfo, 0);
for (HddIndex = 0; HddIndex < MAX_IDE_CONTROLLER; HddIndex++) {
BbsIndex = HddIndex * 2 + 1;
for (Index = 0; Index < 2; ++Index) {
BbsTable[BbsIndex + Index].Bus = HddInfo[HddIndex].Bus;
BbsTable[BbsIndex + Index].Device = HddInfo[HddIndex].Device;
BbsTable[BbsIndex + Index].Function = HddInfo[HddIndex].Function;
@@ -286,7 +283,7 @@ LegacyBiosBuildBbs (
Status = gBS->HandleProtocol (
BlockIoHandles[BlockIndex],
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo
(VOID **)&BlkIo
);
if (EFI_ERROR (Status)) {
@@ -313,7 +310,7 @@ LegacyBiosBuildBbs (
Status = gBS->HandleProtocol (
BlockIoHandles[BlockIndex],
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath
(VOID **)&DevicePath
);
if (EFI_ERROR (Status)) {
continue;
@@ -324,14 +321,17 @@ LegacyBiosBuildBbs (
//
DevicePathNode = DevicePath;
while (!IsDevicePathEnd (DevicePathNode)) {
if (DevicePathType (DevicePathNode) == MESSAGING_DEVICE_PATH &&
DevicePathSubType (DevicePathNode) == MSG_ATAPI_DP) {
if ((DevicePathType (DevicePathNode) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType (DevicePathNode) == MSG_ATAPI_DP))
{
break;
}
DevicePathNode = NextDevicePathNode (DevicePathNode);
}
if (!IsDevicePathEnd (DevicePathNode)) {
continue;
continue;
}
//
@@ -349,7 +349,7 @@ LegacyBiosBuildBbs (
Status = gBS->HandleProtocol (
PciHandle,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo
(VOID **)&PciIo
);
if (EFI_ERROR (Status)) {
continue;
@@ -367,13 +367,21 @@ LegacyBiosBuildBbs (
}
if (SegNum != 0) {
DEBUG ((DEBUG_WARN, "CSM cannot use PCI devices in segment %Lu\n",
(UINT64) SegNum));
DEBUG ((
DEBUG_WARN,
"CSM cannot use PCI devices in segment %Lu\n",
(UINT64)SegNum
));
continue;
}
DEBUG ((DEBUG_INFO, "Add Legacy Bbs entry for PCI %d/%d/%d\n",
BusNum, DevNum, FuncNum));
DEBUG ((
DEBUG_INFO,
"Add Legacy Bbs entry for PCI %d/%d/%d\n",
BusNum,
DevNum,
FuncNum
));
BbsTable[BbsIndex].Bus = BusNum;
BbsTable[BbsIndex].Device = DevNum;
@@ -403,7 +411,6 @@ LegacyBiosBuildBbs (
return EFI_SUCCESS;
}
/**
Get all BBS info
@@ -421,30 +428,30 @@ LegacyBiosBuildBbs (
EFI_STATUS
EFIAPI
LegacyBiosGetBbsInfo (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
OUT UINT16 *HddCount,
OUT HDD_INFO **HddInfo,
OUT UINT16 *BbsCount,
OUT BBS_TABLE **BbsTable
IN EFI_LEGACY_BIOS_PROTOCOL *This,
OUT UINT16 *HddCount,
OUT HDD_INFO **HddInfo,
OUT UINT16 *BbsCount,
OUT BBS_TABLE **BbsTable
)
{
LEGACY_BIOS_INSTANCE *Private;
EFI_IA32_REGISTER_SET Regs;
EFI_TO_COMPATIBILITY16_BOOT_TABLE *EfiToLegacy16BootTable;
// HDD_INFO *LocalHddInfo;
// IN BBS_TABLE *LocalBbsTable;
UINTN NumHandles;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN TempData;
UINT32 Granularity;
LEGACY_BIOS_INSTANCE *Private;
EFI_IA32_REGISTER_SET Regs;
EFI_TO_COMPATIBILITY16_BOOT_TABLE *EfiToLegacy16BootTable;
// HDD_INFO *LocalHddInfo;
// IN BBS_TABLE *LocalBbsTable;
UINTN NumHandles;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN TempData;
UINT32 Granularity;
HandleBuffer = NULL;
HandleBuffer = NULL;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
EfiToLegacy16BootTable = &Private->IntThunk->EfiToLegacy16BootTable;
// LocalHddInfo = EfiToLegacy16BootTable->HddInfo;
// LocalBbsTable = (BBS_TABLE*)(UINTN)EfiToLegacy16BootTable->BbsTable;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
EfiToLegacy16BootTable = &Private->IntThunk->EfiToLegacy16BootTable;
// LocalHddInfo = EfiToLegacy16BootTable->HddInfo;
// LocalBbsTable = (BBS_TABLE*)(UINTN)EfiToLegacy16BootTable->BbsTable;
if (!mBbsTableDoneFlag) {
mBbsTable = Private->BbsTablePtr;
@@ -457,12 +464,12 @@ LegacyBiosGetBbsInfo (
// Get PciRootBridgeIO protocol
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiPciRootBridgeIoProtocolGuid,
NULL,
&NumHandles,
&HandleBuffer
);
ByProtocol,
&gEfiPciRootBridgeIoProtocolGuid,
NULL,
&NumHandles,
&HandleBuffer
);
if (NumHandles == 0) {
return EFI_NOT_FOUND;
@@ -475,7 +482,6 @@ LegacyBiosGetBbsInfo (
// PCI bus driver enumerate all subsequent handles
//
gBS->ConnectController (HandleBuffer[Index], NULL, NULL, FALSE);
}
LegacyBiosBuildBbs (Private, mBbsTable);
@@ -491,18 +497,18 @@ LegacyBiosGetBbsInfo (
//
// Pass in handoff data
//
TempData = (UINTN) EfiToLegacy16BootTable;
Regs.X.ES = NORMALIZE_EFI_SEGMENT ((UINT32) TempData);
Regs.X.BX = NORMALIZE_EFI_OFFSET ((UINT32) TempData);
TempData = (UINTN)EfiToLegacy16BootTable;
Regs.X.ES = NORMALIZE_EFI_SEGMENT ((UINT32)TempData);
Regs.X.BX = NORMALIZE_EFI_OFFSET ((UINT32)TempData);
Private->LegacyBios.FarCall86 (
This,
Private->Legacy16CallSegment,
Private->Legacy16CallOffset,
&Regs,
NULL,
0
);
This,
Private->Legacy16CallSegment,
Private->Legacy16CallOffset,
&Regs,
NULL,
0
);
Private->Cpu->FlushDataCache (Private->Cpu, 0xE0000, 0x20000, EfiCpuFlushTypeWriteBackInvalidate);
Private->LegacyRegion->Lock (Private->LegacyRegion, 0xe0000, 0x20000, &Granularity);
@@ -518,7 +524,7 @@ LegacyBiosGetBbsInfo (
*HddCount = MAX_IDE_CONTROLLER;
*HddInfo = EfiToLegacy16BootTable->HddInfo;
*BbsTable = (BBS_TABLE*)(UINTN)EfiToLegacy16BootTable->BbsTable;
*BbsCount = (UINT16) (sizeof (Private->IntThunk->BbsTable) / sizeof (BBS_TABLE));
*BbsTable = (BBS_TABLE *)(UINTN)EfiToLegacy16BootTable->BbsTable;
*BbsCount = (UINT16)(sizeof (Private->IntThunk->BbsTable) / sizeof (BBS_TABLE));
return EFI_SUCCESS;
}

26
OvmfPkg/Csm/LegacyBiosDxe/LegacyBda.c
View File

@@ -21,25 +21,25 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
EFI_STATUS
LegacyBiosInitBda (
IN LEGACY_BIOS_INSTANCE *Private
IN LEGACY_BIOS_INSTANCE *Private
)
{
BDA_STRUC *Bda;
UINT8 *Ebda;
BDA_STRUC *Bda;
UINT8 *Ebda;
Bda = (BDA_STRUC *) ((UINTN) 0x400);
Ebda = (UINT8 *) ((UINTN) 0x9fc00);
Bda = (BDA_STRUC *)((UINTN)0x400);
Ebda = (UINT8 *)((UINTN)0x9fc00);
ACCESS_PAGE0_CODE (
ZeroMem (Bda, 0x100);
//
// 640k-1k for EBDA
//
Bda->MemSize = 0x27f;
Bda->KeyHead = 0x1e;
Bda->KeyTail = 0x1e;
Bda->FloppyData = 0x00;
Bda->FloppyTimeout = 0xff;
Bda->MemSize = 0x27f;
Bda->KeyHead = 0x1e;
Bda->KeyTail = 0x1e;
Bda->FloppyData = 0x00;
Bda->FloppyTimeout = 0xff;
Bda->KeyStart = 0x001E;
Bda->KeyEnd = 0x003E;
@@ -50,10 +50,10 @@ LegacyBiosInitBda (
// Move LPT time out here and zero out LPT4 since some SCSI OPROMS
// use this as scratch pad (LPT4 is Reserved)
//
Bda->Lpt1_2Timeout = 0x1414;
Bda->Lpt3_4Timeout = 0x1400;
Bda->Lpt1_2Timeout = 0x1414;
Bda->Lpt3_4Timeout = 0x1400;
);
);
ZeroMem (Ebda, 0x400);
*Ebda = 0x01;

516
OvmfPkg/Csm/LegacyBiosDxe/LegacyBios.c
View File

@@ -13,7 +13,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
//
// define maximum number of HDD system supports
//
#define MAX_HDD_ENTRIES 0x30
#define MAX_HDD_ENTRIES 0x30
//
// Module Global:
@@ -25,7 +25,7 @@ LEGACY_BIOS_INSTANCE mPrivateData;
//
// The SMBIOS table in EfiRuntimeServicesData memory
//
VOID *mRuntimeSmbiosEntryPoint = NULL;
VOID *mRuntimeSmbiosEntryPoint = NULL;
//
// The SMBIOS table in EfiReservedMemoryType memory
@@ -50,27 +50,27 @@ BOOLEAN mEndOfDxe = FALSE;
**/
EFI_STATUS
AllocateLegacyMemory (
IN EFI_ALLOCATE_TYPE AllocateType,
IN EFI_MEMORY_TYPE MemoryType,
IN EFI_PHYSICAL_ADDRESS StartPageAddress,
IN UINTN Pages,
OUT EFI_PHYSICAL_ADDRESS *Result
IN EFI_ALLOCATE_TYPE AllocateType,
IN EFI_MEMORY_TYPE MemoryType,
IN EFI_PHYSICAL_ADDRESS StartPageAddress,
IN UINTN Pages,
OUT EFI_PHYSICAL_ADDRESS *Result
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemPage;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR MemDesc;
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemPage;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR MemDesc;
//
// Allocate Pages of memory less <= StartPageAddress
//
MemPage = (EFI_PHYSICAL_ADDRESS) (UINTN) StartPageAddress;
Status = gBS->AllocatePages (
AllocateType,
MemoryType,
Pages,
&MemPage
);
MemPage = (EFI_PHYSICAL_ADDRESS)(UINTN)StartPageAddress;
Status = gBS->AllocatePages (
AllocateType,
MemoryType,
Pages,
&MemPage
);
//
// Do not ASSERT on Status error but let caller decide since some cases
// memory is already taken but that is ok.
@@ -81,13 +81,14 @@ AllocateLegacyMemory (
// Make sure that the buffer can be used to store code.
//
Status = gDS->GetMemorySpaceDescriptor (MemPage, &MemDesc);
if (!EFI_ERROR (Status) && (MemDesc.Attributes & EFI_MEMORY_XP) != 0) {
if (!EFI_ERROR (Status) && ((MemDesc.Attributes & EFI_MEMORY_XP) != 0)) {
Status = gDS->SetMemorySpaceAttributes (
MemPage,
EFI_PAGES_TO_SIZE (Pages),
MemDesc.Attributes & (~EFI_MEMORY_XP)
);
}
if (EFI_ERROR (Status)) {
gBS->FreePages (MemPage, Pages);
}
@@ -95,13 +96,12 @@ AllocateLegacyMemory (
}
if (!EFI_ERROR (Status)) {
*Result = (EFI_PHYSICAL_ADDRESS) (UINTN) MemPage;
*Result = (EFI_PHYSICAL_ADDRESS)(UINTN)MemPage;
}
return Status;
}
/**
This function is called when EFI needs to reserve an area in the 0xE0000 or 0xF0000
64 KB blocks.
@@ -126,39 +126,38 @@ AllocateLegacyMemory (
EFI_STATUS
EFIAPI
LegacyBiosGetLegacyRegion (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINTN LegacyMemorySize,
IN UINTN Region,
IN UINTN Alignment,
OUT VOID **LegacyMemoryAddress
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINTN LegacyMemorySize,
IN UINTN Region,
IN UINTN Alignment,
OUT VOID **LegacyMemoryAddress
)
{
LEGACY_BIOS_INSTANCE *Private;
EFI_IA32_REGISTER_SET Regs;
EFI_STATUS Status;
UINT32 Granularity;
LEGACY_BIOS_INSTANCE *Private;
EFI_IA32_REGISTER_SET Regs;
EFI_STATUS Status;
UINT32 Granularity;
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
Private->LegacyRegion->UnLock (Private->LegacyRegion, 0xE0000, 0x20000, &Granularity);
ZeroMem (&Regs, sizeof (EFI_IA32_REGISTER_SET));
Regs.X.AX = Legacy16GetTableAddress;
Regs.X.BX = (UINT16) Region;
Regs.X.CX = (UINT16) LegacyMemorySize;
Regs.X.DX = (UINT16) Alignment;
Regs.X.BX = (UINT16)Region;
Regs.X.CX = (UINT16)LegacyMemorySize;
Regs.X.DX = (UINT16)Alignment;
Private->LegacyBios.FarCall86 (
&Private->LegacyBios,
Private->Legacy16CallSegment,
Private->Legacy16CallOffset,
&Regs,
NULL,
0
);
&Private->LegacyBios,
Private->Legacy16CallSegment,
Private->Legacy16CallOffset,
&Regs,
NULL,
0
);
if (Regs.X.AX == 0) {
*LegacyMemoryAddress = (VOID *) (((UINTN) Regs.X.DS << 4) + Regs.X.BX);
Status = EFI_SUCCESS;
*LegacyMemoryAddress = (VOID *)(((UINTN)Regs.X.DS << 4) + Regs.X.BX);
Status = EFI_SUCCESS;
} else {
Status = EFI_OUT_OF_RESOURCES;
}
@@ -169,7 +168,6 @@ LegacyBiosGetLegacyRegion (
return Status;
}
/**
This function is called when copying data to the region assigned by
EFI_LEGACY_BIOS_PROTOCOL.GetLegacyRegion().
@@ -187,21 +185,22 @@ LegacyBiosGetLegacyRegion (
EFI_STATUS
EFIAPI
LegacyBiosCopyLegacyRegion (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINTN LegacyMemorySize,
IN VOID *LegacyMemoryAddress,
IN VOID *LegacyMemorySourceAddress
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINTN LegacyMemorySize,
IN VOID *LegacyMemoryAddress,
IN VOID *LegacyMemorySourceAddress
)
{
LEGACY_BIOS_INSTANCE *Private;
UINT32 Granularity;
if ((LegacyMemoryAddress < (VOID *)(UINTN)0xE0000 ) ||
((UINTN) LegacyMemoryAddress + LegacyMemorySize > (UINTN) 0x100000)
) {
if ((LegacyMemoryAddress < (VOID *)(UINTN)0xE0000) ||
((UINTN)LegacyMemoryAddress + LegacyMemorySize > (UINTN)0x100000)
)
{
return EFI_ACCESS_DENIED;
}
//
// There is no protection from writes over lapping if this function is
// called multiple times.
@@ -216,7 +215,6 @@ LegacyBiosCopyLegacyRegion (
return EFI_SUCCESS;
}
/**
Find Legacy16 BIOS image in the FLASH device and shadow it into memory. Find
the $EFI table in the shadow area. Thunk into the Legacy16 code after it had
@@ -233,33 +231,33 @@ ShadowAndStartLegacy16 (
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_STATUS Status;
UINT8 *Ptr;
UINT8 *PtrEnd;
BOOLEAN Done;
EFI_COMPATIBILITY16_TABLE *Table;
UINT8 CheckSum;
EFI_IA32_REGISTER_SET Regs;
EFI_TO_COMPATIBILITY16_INIT_TABLE *EfiToLegacy16InitTable;
EFI_TO_COMPATIBILITY16_BOOT_TABLE *EfiToLegacy16BootTable;
VOID *LegacyBiosImage;
UINTN LegacyBiosImageSize;
UINTN E820Size;
UINT32 *ClearPtr;
BBS_TABLE *BbsTable;
LEGACY_EFI_HDD_TABLE *LegacyEfiHddTable;
UINTN Index;
UINT32 TpmPointer;
VOID *TpmBinaryImage;
UINTN TpmBinaryImageSize;
UINTN Location;
UINTN Alignment;
UINTN TempData;
EFI_PHYSICAL_ADDRESS Address;
UINT16 OldMask;
UINT16 NewMask;
UINT32 Granularity;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
EFI_STATUS Status;
UINT8 *Ptr;
UINT8 *PtrEnd;
BOOLEAN Done;
EFI_COMPATIBILITY16_TABLE *Table;
UINT8 CheckSum;
EFI_IA32_REGISTER_SET Regs;
EFI_TO_COMPATIBILITY16_INIT_TABLE *EfiToLegacy16InitTable;
EFI_TO_COMPATIBILITY16_BOOT_TABLE *EfiToLegacy16BootTable;
VOID *LegacyBiosImage;
UINTN LegacyBiosImageSize;
UINTN E820Size;
UINT32 *ClearPtr;
BBS_TABLE *BbsTable;
LEGACY_EFI_HDD_TABLE *LegacyEfiHddTable;
UINTN Index;
UINT32 TpmPointer;
VOID *TpmBinaryImage;
UINTN TpmBinaryImageSize;
UINTN Location;
UINTN Alignment;
UINTN TempData;
EFI_PHYSICAL_ADDRESS Address;
UINT16 OldMask;
UINT16 NewMask;
UINT32 Granularity;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
Location = 0;
Alignment = 0;
@@ -300,23 +298,23 @@ ShadowAndStartLegacy16 (
// end testtest
//
EfiToLegacy16BootTable = &Private->IntThunk->EfiToLegacy16BootTable;
Status = Private->LegacyBiosPlatform->GetPlatformInfo (
Private->LegacyBiosPlatform,
EfiGetPlatformBinarySystemRom,
&LegacyBiosImage,
&LegacyBiosImageSize,
&Location,
&Alignment,
0,
0
);
Status = Private->LegacyBiosPlatform->GetPlatformInfo (
Private->LegacyBiosPlatform,
EfiGetPlatformBinarySystemRom,
&LegacyBiosImage,
&LegacyBiosImageSize,
&Location,
&Alignment,
0,
0
);
if (EFI_ERROR (Status)) {
return Status;
}
Private->BiosStart = (UINT32) (0x100000 - LegacyBiosImageSize);
Private->OptionRom = 0xc0000;
Private->LegacyBiosImageSize = (UINT32) LegacyBiosImageSize;
Private->BiosStart = (UINT32)(0x100000 - LegacyBiosImageSize);
Private->OptionRom = 0xc0000;
Private->LegacyBiosImageSize = (UINT32)LegacyBiosImageSize;
//
// Can only shadow into memory allocated for legacy usage.
@@ -328,20 +326,20 @@ ShadowAndStartLegacy16 (
//
Private->LegacyRegion->UnLock (Private->LegacyRegion, 0xc0000, 0x40000, &Granularity);
ClearPtr = (VOID *) ((UINTN) 0xc0000);
ClearPtr = (VOID *)((UINTN)0xc0000);
//
// Initialize region from 0xc0000 to start of BIOS to all ffs. This allows unused
// regions to be used by EMM386 etc.
//
SetMem ((VOID *) ClearPtr, (UINTN) (0x40000 - LegacyBiosImageSize), 0xff);
SetMem ((VOID *)ClearPtr, (UINTN)(0x40000 - LegacyBiosImageSize), 0xff);
TempData = Private->BiosStart;
CopyMem (
(VOID *) TempData,
(VOID *)TempData,
LegacyBiosImage,
(UINTN) LegacyBiosImageSize
(UINTN)LegacyBiosImageSize
);
Private->Cpu->FlushDataCache (Private->Cpu, 0xc0000, 0x40000, EfiCpuFlushTypeWriteBackInvalidate);
@@ -351,12 +349,12 @@ ShadowAndStartLegacy16 (
//
Done = FALSE;
Table = NULL;
for (Ptr = (UINT8 *) TempData; Ptr < (UINT8 *) ((UINTN) 0x100000) && !Done; Ptr += 0x10) {
if (*(UINT32 *) Ptr == SIGNATURE_32 ('I', 'F', 'E', '$')) {
Table = (EFI_COMPATIBILITY16_TABLE *) Ptr;
PtrEnd = Ptr + Table->TableLength;
for (Ptr = (UINT8 *)TempData; Ptr < (UINT8 *)((UINTN)0x100000) && !Done; Ptr += 0x10) {
if (*(UINT32 *)Ptr == SIGNATURE_32 ('I', 'F', 'E', '$')) {
Table = (EFI_COMPATIBILITY16_TABLE *)Ptr;
PtrEnd = Ptr + Table->TableLength;
for (CheckSum = 0; Ptr < PtrEnd; Ptr++) {
CheckSum = (UINT8) (CheckSum +*Ptr);
CheckSum = (UINT8)(CheckSum +*Ptr);
}
Done = TRUE;
@@ -378,24 +376,24 @@ ShadowAndStartLegacy16 (
//
// Remember location of the Legacy16 table
//
Private->Legacy16Table = Table;
Private->Legacy16CallSegment = Table->Compatibility16CallSegment;
Private->Legacy16CallOffset = Table->Compatibility16CallOffset;
EfiToLegacy16InitTable = &Private->IntThunk->EfiToLegacy16InitTable;
Private->Legacy16InitPtr = EfiToLegacy16InitTable;
Private->Legacy16BootPtr = &Private->IntThunk->EfiToLegacy16BootTable;
Private->InternalIrqRoutingTable = NULL;
Private->NumberIrqRoutingEntries = 0;
Private->BbsTablePtr = NULL;
Private->LegacyEfiHddTable = NULL;
Private->DiskEnd = 0;
Private->Disk4075 = 0;
Private->HddTablePtr = &Private->IntThunk->EfiToLegacy16BootTable.HddInfo;
Private->NumberHddControllers = MAX_IDE_CONTROLLER;
Private->Dump[0] = 'D';
Private->Dump[1] = 'U';
Private->Dump[2] = 'M';
Private->Dump[3] = 'P';
Private->Legacy16Table = Table;
Private->Legacy16CallSegment = Table->Compatibility16CallSegment;
Private->Legacy16CallOffset = Table->Compatibility16CallOffset;
EfiToLegacy16InitTable = &Private->IntThunk->EfiToLegacy16InitTable;
Private->Legacy16InitPtr = EfiToLegacy16InitTable;
Private->Legacy16BootPtr = &Private->IntThunk->EfiToLegacy16BootTable;
Private->InternalIrqRoutingTable = NULL;
Private->NumberIrqRoutingEntries = 0;
Private->BbsTablePtr = NULL;
Private->LegacyEfiHddTable = NULL;
Private->DiskEnd = 0;
Private->Disk4075 = 0;
Private->HddTablePtr = &Private->IntThunk->EfiToLegacy16BootTable.HddInfo;
Private->NumberHddControllers = MAX_IDE_CONTROLLER;
Private->Dump[0] = 'D';
Private->Dump[1] = 'U';
Private->Dump[2] = 'M';
Private->Dump[3] = 'P';
ZeroMem (
Private->Legacy16BootPtr,
@@ -405,7 +403,7 @@ ShadowAndStartLegacy16 (
//
// Store away a copy of the EFI System Table
//
Table->EfiSystemTable = (UINT32) (UINTN) gST;
Table->EfiSystemTable = (UINT32)(UINTN)gST;
//
// IPF CSM integration -Bug
@@ -423,31 +421,31 @@ ShadowAndStartLegacy16 (
//
// All legacy interrupt should be masked when do initialization work from legacy 16 code.
//
Private->Legacy8259->GetMask(Private->Legacy8259, &OldMask, NULL, NULL, NULL);
Private->Legacy8259->GetMask (Private->Legacy8259, &OldMask, NULL, NULL, NULL);
NewMask = 0xFFFF;
Private->Legacy8259->SetMask(Private->Legacy8259, &NewMask, NULL, NULL, NULL);
Private->Legacy8259->SetMask (Private->Legacy8259, &NewMask, NULL, NULL, NULL);
//
// Call into Legacy16 code to do an INIT
//
ZeroMem (&Regs, sizeof (EFI_IA32_REGISTER_SET));
Regs.X.AX = Legacy16InitializeYourself;
Regs.X.ES = EFI_SEGMENT (*((UINT32 *) &EfiToLegacy16InitTable));
Regs.X.BX = EFI_OFFSET (*((UINT32 *) &EfiToLegacy16InitTable));
Regs.X.ES = EFI_SEGMENT (*((UINT32 *)&EfiToLegacy16InitTable));
Regs.X.BX = EFI_OFFSET (*((UINT32 *)&EfiToLegacy16InitTable));
Private->LegacyBios.FarCall86 (
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
//
// Restore original legacy interrupt mask value
//
Private->Legacy8259->SetMask(Private->Legacy8259, &OldMask, NULL, NULL, NULL);
Private->Legacy8259->SetMask (Private->Legacy8259, &OldMask, NULL, NULL, NULL);
if (Regs.X.AX != 0) {
return EFI_DEVICE_ERROR;
@@ -469,30 +467,31 @@ ShadowAndStartLegacy16 (
//
ZeroMem (&Regs, sizeof (EFI_IA32_REGISTER_SET));
Regs.X.AX = Legacy16GetTableAddress;
Regs.X.CX = (UINT16) E820Size;
Regs.X.CX = (UINT16)E820Size;
Regs.X.DX = 1;
Private->LegacyBios.FarCall86 (
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
Table->E820Pointer = (UINT32) (Regs.X.DS * 16 + Regs.X.BX);
Table->E820Length = (UINT32) E820Size;
Table->E820Pointer = (UINT32)(Regs.X.DS * 16 + Regs.X.BX);
Table->E820Length = (UINT32)E820Size;
if (Regs.X.AX != 0) {
DEBUG ((DEBUG_ERROR, "Legacy16 E820 length insufficient\n"));
} else {
TempData = Table->E820Pointer;
CopyMem ((VOID *) TempData, Private->E820Table, E820Size);
CopyMem ((VOID *)TempData, Private->E820Table, E820Size);
}
//
// Get PnPInstallationCheck Info.
//
Private->PnPInstallationCheckSegment = Table->PnPInstallationCheckSegment;
Private->PnPInstallationCheckOffset = Table->PnPInstallationCheckOffset;
Private->PnPInstallationCheckSegment = Table->PnPInstallationCheckSegment;
Private->PnPInstallationCheckOffset = Table->PnPInstallationCheckOffset;
//
// Check if PCI Express is supported. If yes, Save base address.
@@ -508,9 +507,10 @@ ShadowAndStartLegacy16 (
0
);
if (!EFI_ERROR (Status)) {
Private->Legacy16Table->PciExpressBase = (UINT32)Location;
Location = 0;
Private->Legacy16Table->PciExpressBase = (UINT32)Location;
Location = 0;
}
//
// Check if TPM is supported. If yes get a region in E0000,F0000 to copy it
// into, copy it and update pointer to binary image. This needs to be
@@ -527,35 +527,34 @@ ShadowAndStartLegacy16 (
0
);
if (!EFI_ERROR (Status)) {
ZeroMem (&Regs, sizeof (EFI_IA32_REGISTER_SET));
Regs.X.AX = Legacy16GetTableAddress;
Regs.X.CX = (UINT16) TpmBinaryImageSize;
Regs.X.CX = (UINT16)TpmBinaryImageSize;
Regs.X.DX = 1;
Private->LegacyBios.FarCall86 (
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
&Private->LegacyBios,
Table->Compatibility16CallSegment,
Table->Compatibility16CallOffset,
&Regs,
NULL,
0
);
TpmPointer = (UINT32) (Regs.X.DS * 16 + Regs.X.BX);
TpmPointer = (UINT32)(Regs.X.DS * 16 + Regs.X.BX);
if (Regs.X.AX != 0) {
DEBUG ((DEBUG_ERROR, "TPM cannot be loaded\n"));
} else {
CopyMem ((VOID *) (UINTN)TpmPointer, TpmBinaryImage, TpmBinaryImageSize);
CopyMem ((VOID *)(UINTN)TpmPointer, TpmBinaryImage, TpmBinaryImageSize);
Table->TpmSegment = Regs.X.DS;
Table->TpmOffset = Regs.X.BX;
}
}
//
// Lock the Legacy BIOS region
//
Private->Cpu->FlushDataCache (Private->Cpu, Private->BiosStart, (UINT32) LegacyBiosImageSize, EfiCpuFlushTypeWriteBackInvalidate);
Private->LegacyRegion->Lock (Private->LegacyRegion, Private->BiosStart, (UINT32) LegacyBiosImageSize, &Granularity);
Private->Cpu->FlushDataCache (Private->Cpu, Private->BiosStart, (UINT32)LegacyBiosImageSize, EfiCpuFlushTypeWriteBackInvalidate);
Private->LegacyRegion->Lock (Private->LegacyRegion, Private->BiosStart, (UINT32)LegacyBiosImageSize, &Granularity);
//
// Get the BbsTable from LOW_MEMORY_THUNK
@@ -563,8 +562,8 @@ ShadowAndStartLegacy16 (
BbsTable = (BBS_TABLE *)(UINTN)Private->IntThunk->BbsTable;
ZeroMem ((VOID *)BbsTable, sizeof (Private->IntThunk->BbsTable));
EfiToLegacy16BootTable->BbsTable = (UINT32)(UINTN)BbsTable;
Private->BbsTablePtr = (VOID *) BbsTable;
EfiToLegacy16BootTable->BbsTable = (UINT32)(UINTN)BbsTable;
Private->BbsTablePtr = (VOID *)BbsTable;
//
// Populate entire table with BBS_IGNORE_ENTRY
@@ -574,10 +573,11 @@ ShadowAndStartLegacy16 (
for (Index = 0; Index < MAX_BBS_ENTRIES; Index++) {
BbsTable[Index].BootPriority = BBS_IGNORE_ENTRY;
}
//
// Allocate space for Legacy HDD table
//
LegacyEfiHddTable = (LEGACY_EFI_HDD_TABLE *) AllocateZeroPool ((UINTN) MAX_HDD_ENTRIES * sizeof (LEGACY_EFI_HDD_TABLE));
LegacyEfiHddTable = (LEGACY_EFI_HDD_TABLE *)AllocateZeroPool ((UINTN)MAX_HDD_ENTRIES * sizeof (LEGACY_EFI_HDD_TABLE));
ASSERT (LegacyEfiHddTable);
Private->LegacyEfiHddTable = LegacyEfiHddTable;
@@ -612,7 +612,7 @@ ShadowAndStartLegacy16 (
EFI_STATUS
EFIAPI
LegacyBiosShadowAllLegacyOproms (
IN EFI_LEGACY_BIOS_PROTOCOL *This
IN EFI_LEGACY_BIOS_PROTOCOL *This
)
{
LEGACY_BIOS_INSTANCE *Private;
@@ -657,16 +657,16 @@ LegacyBiosShadowAllLegacyOproms (
**/
UINT16
GetPciInterfaceVersion (
IN LEGACY_BIOS_INSTANCE *Private
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_IA32_REGISTER_SET Reg;
BOOLEAN ThunkFailed;
UINT16 PciInterfaceVersion;
EFI_IA32_REGISTER_SET Reg;
BOOLEAN ThunkFailed;
UINT16 PciInterfaceVersion;
PciInterfaceVersion = 0;
Reg.X.AX = 0xB101;
Reg.X.AX = 0xB101;
Reg.E.EDI = 0;
ThunkFailed = Private->LegacyBios.Int86 (&Private->LegacyBios, 0x1A, &Reg);
@@ -684,6 +684,7 @@ GetPciInterfaceVersion (
PciInterfaceVersion = Reg.X.BX;
}
}
return PciInterfaceVersion;
}
@@ -699,25 +700,25 @@ GetPciInterfaceVersion (
VOID
EFIAPI
InstallSmbiosEventCallback (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure;
EFI_STATUS Status;
SMBIOS_TABLE_ENTRY_POINT *EntryPointStructure;
//
// Get SMBIOS table from EFI configuration table
//
Status = EfiGetSystemConfigurationTable (
&gEfiSmbiosTableGuid,
&mRuntimeSmbiosEntryPoint
);
&gEfiSmbiosTableGuid,
&mRuntimeSmbiosEntryPoint
);
if ((EFI_ERROR (Status)) || (mRuntimeSmbiosEntryPoint == NULL)) {
return;
}
EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) mRuntimeSmbiosEntryPoint;
EntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *)mRuntimeSmbiosEntryPoint;
//
// Allocate memory for SMBIOS Entry Point Structure.
@@ -728,21 +729,23 @@ InstallSmbiosEventCallback (
// Entrypoint structure with fixed size is allocated only once.
//
mReserveSmbiosEntryPoint = SIZE_4GB - 1;
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
EFI_SIZE_TO_PAGES ((UINTN) (EntryPointStructure->EntryPointLength)),
&mReserveSmbiosEntryPoint
);
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
EFI_SIZE_TO_PAGES ((UINTN)(EntryPointStructure->EntryPointLength)),
&mReserveSmbiosEntryPoint
);
if (EFI_ERROR (Status)) {
mReserveSmbiosEntryPoint = 0;
return;
}
DEBUG ((DEBUG_INFO, "Allocate memory for Smbios Entry Point Structure\n"));
}
if ((mStructureTableAddress != 0) &&
(mStructureTablePages < EFI_SIZE_TO_PAGES ((UINT32)EntryPointStructure->TableLength))) {
(mStructureTablePages < EFI_SIZE_TO_PAGES ((UINT32)EntryPointStructure->TableLength)))
{
//
// If original buffer is not enough for the new SMBIOS table, free original buffer and re-allocate
//
@@ -759,22 +762,23 @@ InstallSmbiosEventCallback (
//
mStructureTableAddress = SIZE_4GB - 1;
mStructureTablePages = EFI_SIZE_TO_PAGES (EntryPointStructure->TableLength);
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
mStructureTablePages,
&mStructureTableAddress
);
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
mStructureTablePages,
&mStructureTableAddress
);
if (EFI_ERROR (Status)) {
gBS->FreePages (
mReserveSmbiosEntryPoint,
EFI_SIZE_TO_PAGES ((UINTN) (EntryPointStructure->EntryPointLength))
);
mReserveSmbiosEntryPoint,
EFI_SIZE_TO_PAGES ((UINTN)(EntryPointStructure->EntryPointLength))
);
mReserveSmbiosEntryPoint = 0;
mStructureTableAddress = 0;
mStructureTablePages = 0;
return;
}
DEBUG ((DEBUG_INFO, "Allocate memory for Smbios Structure Table\n"));
}
}
@@ -791,8 +795,8 @@ InstallSmbiosEventCallback (
VOID
EFIAPI
ToggleEndOfDxeStatus (
IN EFI_EVENT Event,
IN VOID *Context
IN EFI_EVENT Event,
IN VOID *Context
)
{
mEndOfDxe = TRUE;
@@ -812,8 +816,8 @@ ToggleEndOfDxeStatus (
EFI_STATUS
EFIAPI
LegacyBiosInstall (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
@@ -850,7 +854,7 @@ LegacyBiosInstall (
// When UEFI Secure Boot is enabled, CSM module will not start any more.
//
SecureBoot = NULL;
GetEfiGlobalVariable2 (EFI_SECURE_BOOT_MODE_NAME, (VOID**)&SecureBoot, NULL);
GetEfiGlobalVariable2 (EFI_SECURE_BOOT_MODE_NAME, (VOID **)&SecureBoot, NULL);
if ((SecureBoot != NULL) && (*SecureBoot == SECURE_BOOT_MODE_ENABLE)) {
FreePool (SecureBoot);
return EFI_SECURITY_VIOLATION;
@@ -867,22 +871,22 @@ LegacyBiosInstall (
// Grab a copy of all the protocols we depend on. Any error would
// be a dispatcher bug!.
//
Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **) &Private->Cpu);
Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&Private->Cpu);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **) &Private->Timer);
Status = gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **)&Private->Timer);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEfiLegacyRegion2ProtocolGuid, NULL, (VOID **) &Private->LegacyRegion);
Status = gBS->LocateProtocol (&gEfiLegacyRegion2ProtocolGuid, NULL, (VOID **)&Private->LegacyRegion);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEfiLegacyBiosPlatformProtocolGuid, NULL, (VOID **) &Private->LegacyBiosPlatform);
Status = gBS->LocateProtocol (&gEfiLegacyBiosPlatformProtocolGuid, NULL, (VOID **)&Private->LegacyBiosPlatform);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEfiLegacy8259ProtocolGuid, NULL, (VOID **) &Private->Legacy8259);
Status = gBS->LocateProtocol (&gEfiLegacy8259ProtocolGuid, NULL, (VOID **)&Private->Legacy8259);
ASSERT_EFI_ERROR (Status);
Status = gBS->LocateProtocol (&gEfiLegacyInterruptProtocolGuid, NULL, (VOID **) &Private->LegacyInterrupt);
Status = gBS->LocateProtocol (&gEfiLegacyInterruptProtocolGuid, NULL, (VOID **)&Private->LegacyInterrupt);
ASSERT_EFI_ERROR (Status);
//
@@ -891,7 +895,7 @@ LegacyBiosInstall (
Status = gBS->LocateProtocol (
&gEfiGenericMemTestProtocolGuid,
NULL,
(VOID **) &Private->GenericMemoryTest
(VOID **)&Private->GenericMemoryTest
);
ASSERT_EFI_ERROR (Status);
@@ -904,6 +908,7 @@ LegacyBiosInstall (
StartAddress = Descriptor.BaseAddress + Descriptor.Length;
continue;
}
Length = MIN (Descriptor.Length, 0xa0000 - StartAddress);
Private->GenericMemoryTest->CompatibleRangeTest (
Private->GenericMemoryTest,
@@ -912,6 +917,7 @@ LegacyBiosInstall (
);
StartAddress = StartAddress + Length;
}
//
// Make sure all memory from 1MB to 16MB is tested and added to memory map
//
@@ -921,6 +927,7 @@ LegacyBiosInstall (
StartAddress = Descriptor.BaseAddress + Descriptor.Length;
continue;
}
Length = MIN (Descriptor.Length, BASE_16MB - StartAddress);
Private->GenericMemoryTest->CompatibleRangeTest (
Private->GenericMemoryTest,
@@ -932,17 +939,17 @@ LegacyBiosInstall (
Private->Signature = LEGACY_BIOS_INSTANCE_SIGNATURE;
Private->LegacyBios.Int86 = LegacyBiosInt86;
Private->LegacyBios.FarCall86 = LegacyBiosFarCall86;
Private->LegacyBios.CheckPciRom = LegacyBiosCheckPciRom;
Private->LegacyBios.InstallPciRom = LegacyBiosInstallPciRom;
Private->LegacyBios.LegacyBoot = LegacyBiosLegacyBoot;
Private->LegacyBios.UpdateKeyboardLedStatus = LegacyBiosUpdateKeyboardLedStatus;
Private->LegacyBios.GetBbsInfo = LegacyBiosGetBbsInfo;
Private->LegacyBios.ShadowAllLegacyOproms = LegacyBiosShadowAllLegacyOproms;
Private->LegacyBios.PrepareToBootEfi = LegacyBiosPrepareToBootEfi;
Private->LegacyBios.GetLegacyRegion = LegacyBiosGetLegacyRegion;
Private->LegacyBios.CopyLegacyRegion = LegacyBiosCopyLegacyRegion;
Private->LegacyBios.Int86 = LegacyBiosInt86;
Private->LegacyBios.FarCall86 = LegacyBiosFarCall86;
Private->LegacyBios.CheckPciRom = LegacyBiosCheckPciRom;
Private->LegacyBios.InstallPciRom = LegacyBiosInstallPciRom;
Private->LegacyBios.LegacyBoot = LegacyBiosLegacyBoot;
Private->LegacyBios.UpdateKeyboardLedStatus = LegacyBiosUpdateKeyboardLedStatus;
Private->LegacyBios.GetBbsInfo = LegacyBiosGetBbsInfo;
Private->LegacyBios.ShadowAllLegacyOproms = LegacyBiosShadowAllLegacyOproms;
Private->LegacyBios.PrepareToBootEfi = LegacyBiosPrepareToBootEfi;
Private->LegacyBios.GetLegacyRegion = LegacyBiosGetLegacyRegion;
Private->LegacyBios.CopyLegacyRegion = LegacyBiosCopyLegacyRegion;
Private->LegacyBios.BootUnconventionalDevice = LegacyBiosBootUnconventionalDevice;
Private->ImageHandle = ImageHandle;
@@ -994,16 +1001,16 @@ LegacyBiosInstall (
);
ASSERT (MemoryAddress == 0x000000000);
ClearPtr = (VOID *) ((UINTN) 0x0000);
ClearPtr = (VOID *)((UINTN)0x0000);
//
// Initialize region from 0x0000 to 4k. This initializes interrupt vector
// range.
//
ACCESS_PAGE0_CODE (
gBS->SetMem ((VOID *) ClearPtr, 0x400, INITIAL_VALUE_BELOW_1K);
ZeroMem ((VOID *) ((UINTN)ClearPtr + 0x400), 0xC00);
);
gBS->SetMem ((VOID *)ClearPtr, 0x400, INITIAL_VALUE_BELOW_1K);
ZeroMem ((VOID *)((UINTN)ClearPtr + 0x400), 0xC00);
);
//
// Allocate pages for OPROM usage
@@ -1020,7 +1027,7 @@ LegacyBiosInstall (
);
ASSERT_EFI_ERROR (Status);
ZeroMem ((VOID *) ((UINTN) MemoryAddress), MemorySize);
ZeroMem ((VOID *)((UINTN)MemoryAddress), MemorySize);
//
// Allocate all 32k chunks from 0x60000 ~ 0x88000 for Legacy OPROMs that
@@ -1028,8 +1035,8 @@ LegacyBiosInstall (
// OpROMs expect different areas to be free
//
EbdaReservedBaseAddress = MemoryAddress;
MemoryAddress = PcdGet32 (PcdOpromReservedMemoryBase);
MemorySize = PcdGet32 (PcdOpromReservedMemorySize);
MemoryAddress = PcdGet32 (PcdOpromReservedMemoryBase);
MemorySize = PcdGet32 (PcdOpromReservedMemorySize);
//
// Check if base address and size for reserved memory are 4KB aligned.
//
@@ -1048,7 +1055,7 @@ LegacyBiosInstall (
&StartAddress
);
if (!EFI_ERROR (Status)) {
MemoryPtr = (VOID *) ((UINTN) StartAddress);
MemoryPtr = (VOID *)((UINTN)StartAddress);
ZeroMem (MemoryPtr, 0x1000);
} else {
DEBUG ((DEBUG_ERROR, "WARNING: Allocate legacy memory fail for SCSI card - %x\n", MemStart));
@@ -1069,7 +1076,7 @@ LegacyBiosInstall (
);
ASSERT_EFI_ERROR (Status);
ZeroMem ((VOID *) ((UINTN) MemoryAddressUnder1MB), MemorySize);
ZeroMem ((VOID *)((UINTN)MemoryAddressUnder1MB), MemorySize);
//
// Allocate space for thunker and Init Thunker
@@ -1082,10 +1089,10 @@ LegacyBiosInstall (
&MemoryAddress
);
ASSERT_EFI_ERROR (Status);
Private->IntThunk = (LOW_MEMORY_THUNK *) (UINTN) MemoryAddress;
Private->IntThunk = (LOW_MEMORY_THUNK *)(UINTN)MemoryAddress;
EfiToLegacy16InitTable = &Private->IntThunk->EfiToLegacy16InitTable;
EfiToLegacy16InitTable->ThunkStart = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress;
EfiToLegacy16InitTable->ThunkSizeInBytes = (UINT32) (sizeof (LOW_MEMORY_THUNK));
EfiToLegacy16InitTable->ThunkStart = (UINT32)(EFI_PHYSICAL_ADDRESS)(UINTN)MemoryAddress;
EfiToLegacy16InitTable->ThunkSizeInBytes = (UINT32)(sizeof (LOW_MEMORY_THUNK));
Status = LegacyBiosInitializeThunk (Private);
ASSERT_EFI_ERROR (Status);
@@ -1093,8 +1100,8 @@ LegacyBiosInstall (
//
// Init the legacy memory map in memory < 1 MB.
//
EfiToLegacy16InitTable->BiosLessThan1MB = (UINT32) MemoryAddressUnder1MB;
EfiToLegacy16InitTable->LowPmmMemory = (UINT32) MemoryAddressUnder1MB;
EfiToLegacy16InitTable->BiosLessThan1MB = (UINT32)MemoryAddressUnder1MB;
EfiToLegacy16InitTable->LowPmmMemory = (UINT32)MemoryAddressUnder1MB;
EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = MemorySize;
MemorySize = PcdGet32 (PcdHighPmmMemorySize);
@@ -1121,8 +1128,9 @@ LegacyBiosInstall (
&MemoryAddress
);
}
if (!EFI_ERROR (Status)) {
EfiToLegacy16InitTable->HiPmmMemory = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress;
EfiToLegacy16InitTable->HiPmmMemory = (UINT32)(EFI_PHYSICAL_ADDRESS)(UINTN)MemoryAddress;
EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = MemorySize;
}
@@ -1135,32 +1143,34 @@ LegacyBiosInstall (
if (EFI_ERROR (Status)) {
return Status;
}
//
// Initialize interrupt redirection code and entries;
// IDT Vectors 0x68-0x6f must be redirected to IDT Vectors 0x08-0x0f.
//
CopyMem (
Private->IntThunk->InterruptRedirectionCode,
(VOID *) (UINTN) InterruptRedirectionTemplate,
sizeof (Private->IntThunk->InterruptRedirectionCode)
);
Private->IntThunk->InterruptRedirectionCode,
(VOID *)(UINTN)InterruptRedirectionTemplate,
sizeof (Private->IntThunk->InterruptRedirectionCode)
);
//
// Save Unexpected interrupt vector so can restore it just prior to boot
//
ACCESS_PAGE0_CODE (
BaseVectorMaster = (UINT32 *) (sizeof (UINT32) * PROTECTED_MODE_BASE_VECTOR_MASTER);
BaseVectorMaster = (UINT32 *)(sizeof (UINT32) * PROTECTED_MODE_BASE_VECTOR_MASTER);
Private->BiosUnexpectedInt = BaseVectorMaster[0];
IntRedirCode = (UINT32) (UINTN) Private->IntThunk->InterruptRedirectionCode;
IntRedirCode = (UINT32)(UINTN)Private->IntThunk->InterruptRedirectionCode;
for (Index = 0; Index < 8; Index++) {
BaseVectorMaster[Index] = (EFI_SEGMENT (IntRedirCode + Index * 4) << 16) | EFI_OFFSET (IntRedirCode + Index * 4);
}
);
BaseVectorMaster[Index] = (EFI_SEGMENT (IntRedirCode + Index * 4) << 16) | EFI_OFFSET (IntRedirCode + Index * 4);
}
);
//
// Save EFI value
//
Private->ThunkSeg = (UINT16) (EFI_SEGMENT (IntRedirCode));
Private->ThunkSeg = (UINT16)(EFI_SEGMENT (IntRedirCode));
//
// Allocate reserved memory for SMBIOS table used in legacy boot if SMBIOS table exists
@@ -1198,18 +1208,20 @@ LegacyBiosInstall (
// Make a new handle and install the protocol
//
Private->Handle = NULL;
Status = gBS->InstallProtocolInterface (
&Private->Handle,
&gEfiLegacyBiosProtocolGuid,
EFI_NATIVE_INTERFACE,
&Private->LegacyBios
);
Status = gBS->InstallProtocolInterface (
&Private->Handle,
&gEfiLegacyBiosProtocolGuid,
EFI_NATIVE_INTERFACE,
&Private->LegacyBios
);
Private->Csm16PciInterfaceVersion = GetPciInterfaceVersion (Private);
DEBUG ((DEBUG_INFO, "CSM16 PCI BIOS Interface Version: %02x.%02x\n",
(UINT8) (Private->Csm16PciInterfaceVersion >> 8),
(UINT8) Private->Csm16PciInterfaceVersion
));
DEBUG ((
DEBUG_INFO,
"CSM16 PCI BIOS Interface Version: %02x.%02x\n",
(UINT8)(Private->Csm16PciInterfaceVersion >> 8),
(UINT8)Private->Csm16PciInterfaceVersion
));
ASSERT (Private->Csm16PciInterfaceVersion != 0);
return Status;
}

765
OvmfPkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
View File

File diff suppressed because it is too large Load Diff

1170
OvmfPkg/Csm/LegacyBiosDxe/LegacyBootSupport.c
View File

File diff suppressed because it is too large Load Diff

6
OvmfPkg/Csm/LegacyBiosDxe/LegacyCmos.c
View File

@@ -66,12 +66,12 @@ LegacyCalculateWriteStandardCmosChecksum (
for (Checksum = 0, Register = 0x10; Register < 0x2e; Register++) {
Checksum = (UINT16)(Checksum + LegacyReadStandardCmos (Register));
}
LegacyWriteStandardCmos (CMOS_2E, (UINT8)(Checksum >> 8));
LegacyWriteStandardCmos (CMOS_2F, (UINT8)(Checksum & 0xff));
return EFI_SUCCESS;
}
/**
Fill in the standard CMOS stuff before Legacy16 load
@@ -82,7 +82,7 @@ LegacyCalculateWriteStandardCmosChecksum (
**/
EFI_STATUS
LegacyBiosInitCmos (
IN LEGACY_BIOS_INSTANCE *Private
IN LEGACY_BIOS_INSTANCE *Private
)
{
UINT32 Size;
@@ -103,7 +103,7 @@ LegacyBiosInitCmos (
Size = 15 * SIZE_1MB;
if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) {
Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;
Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;
}
LegacyWriteStandardCmos (CMOS_17, (UINT8)(Size & 0xFF));

117
OvmfPkg/Csm/LegacyBiosDxe/LegacyIde.c
View File

@@ -9,7 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "LegacyBiosInterface.h"
BOOLEAN mIdeDataBuiltFlag = FALSE;
BOOLEAN mIdeDataBuiltFlag = FALSE;
/**
Collect IDE Inquiry data from the IDE disks
@@ -23,9 +23,9 @@ BOOLEAN mIdeDataBuiltFlag = FALSE;
**/
EFI_STATUS
LegacyBiosBuildIdeData (
IN LEGACY_BIOS_INSTANCE *Private,
IN HDD_INFO **HddInfo,
IN UINT16 Flag
IN LEGACY_BIOS_INSTANCE *Private,
IN HDD_INFO **HddInfo,
IN UINT16 Flag
)
{
EFI_STATUS Status;
@@ -60,14 +60,14 @@ LegacyBiosBuildIdeData (
//
PciDevicePath = NULL;
LocalHddInfo = *HddInfo;
Status = Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *) &LocalHddInfo
);
Status = Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *)&LocalHddInfo
);
if (!EFI_ERROR (Status)) {
IdeController = HandleBuffer[0];
//
@@ -75,10 +75,10 @@ LegacyBiosBuildIdeData (
//
if (Flag != 0) {
gBS->DisconnectController (
IdeController,
NULL,
NULL
);
IdeController,
NULL,
NULL
);
}
gBS->ConnectController (IdeController, NULL, NULL, FALSE);
@@ -88,13 +88,13 @@ LegacyBiosBuildIdeData (
// And GetIdeHandle will switch to Legacy mode, if required.
//
Private->LegacyBiosPlatform->GetPlatformHandle (
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *) &LocalHddInfo
);
Private->LegacyBiosPlatform,
EfiGetPlatformIdeHandle,
0,
&HandleBuffer,
&HandleCount,
(VOID *)&LocalHddInfo
);
}
mIdeDataBuiltFlag = TRUE;
@@ -103,19 +103,19 @@ LegacyBiosBuildIdeData (
// Get Identity command from all drives
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiDiskInfoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
ByProtocol,
&gEfiDiskInfoProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
Private->IdeDriveCount = (UINT8) HandleCount;
Private->IdeDriveCount = (UINT8)HandleCount;
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDiskInfoProtocolGuid,
(VOID **) &DiskInfo
(VOID **)&DiskInfo
);
ASSERT_EFI_ERROR (Status);
@@ -126,7 +126,7 @@ LegacyBiosBuildIdeData (
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID *) &DevicePath
(VOID *)&DevicePath
);
ASSERT_EFI_ERROR (Status);
@@ -134,12 +134,14 @@ LegacyBiosBuildIdeData (
while (!IsDevicePathEnd (DevicePathNode)) {
TempDevicePathNode = NextDevicePathNode (DevicePathNode);
if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&
( DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&
( DevicePathType(TempDevicePathNode) == MESSAGING_DEVICE_PATH) &&
( DevicePathSubType(TempDevicePathNode) == MSG_ATAPI_DP) ) {
PciDevicePath = (PCI_DEVICE_PATH *) DevicePathNode;
(DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&
(DevicePathType (TempDevicePathNode) == MESSAGING_DEVICE_PATH) &&
(DevicePathSubType (TempDevicePathNode) == MSG_ATAPI_DP))
{
PciDevicePath = (PCI_DEVICE_PATH *)DevicePathNode;
break;
}
DevicePathNode = NextDevicePathNode (DevicePathNode);
}
@@ -161,7 +163,8 @@ LegacyBiosBuildIdeData (
for (PciIndex = 0; PciIndex < 8; PciIndex++) {
if ((PciDevicePath->Device == LocalHddInfo[PciIndex].Device) &&
(PciDevicePath->Function == LocalHddInfo[PciIndex].Function)
) {
)
{
break;
}
}
@@ -186,15 +189,15 @@ LegacyBiosBuildIdeData (
InquiryData = NULL;
InquiryDataSize = 0;
Status = DiskInfo->Inquiry (
DiskInfo,
NULL,
&InquiryDataSize
);
Status = DiskInfo->Inquiry (
DiskInfo,
NULL,
&InquiryDataSize
);
if (Status == EFI_BUFFER_TOO_SMALL) {
InquiryData = (UINT8 *) AllocatePool (
InquiryDataSize
);
InquiryData = (UINT8 *)AllocatePool (
InquiryDataSize
);
if (InquiryData != NULL) {
Status = DiskInfo->Inquiry (
DiskInfo,
@@ -227,6 +230,7 @@ LegacyBiosBuildIdeData (
LocalHddInfo[PciIndex + IdeChannel].Status |= HDD_SLAVE_ATAPI_ZIPDISK;
}
}
FreePool (InquiryData);
} else {
if (IdeDevice == 0) {
@@ -246,7 +250,6 @@ LegacyBiosBuildIdeData (
return EFI_SUCCESS;
}
/**
If the IDE channel is in compatibility (legacy) mode, remove all
PCI I/O BAR addresses from the controller.
@@ -257,13 +260,13 @@ LegacyBiosBuildIdeData (
**/
VOID
InitLegacyIdeController (
IN EFI_HANDLE IdeController
IN EFI_HANDLE IdeController
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
UINT32 IOBarClear;
EFI_STATUS Status;
PCI_TYPE00 PciData;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT32 IOBarClear;
EFI_STATUS Status;
PCI_TYPE00 PciData;
//
// If the IDE channel is in compatibility (legacy) mode, remove all
@@ -277,20 +280,21 @@ InitLegacyIdeController (
(VOID **)&PciIo
);
if (EFI_ERROR (Status)) {
return ;
return;
}
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, 0, sizeof (PciData), &PciData);
if (EFI_ERROR (Status)) {
return ;
return;
}
//
// Check whether this is IDE
//
if ((PciData.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE) ||
(PciData.Hdr.ClassCode[1] != PCI_CLASS_MASS_STORAGE_IDE)) {
return ;
(PciData.Hdr.ClassCode[1] != PCI_CLASS_MASS_STORAGE_IDE))
{
return;
}
//
@@ -301,10 +305,11 @@ InitLegacyIdeController (
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x10, 1, &IOBarClear);
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x14, 1, &IOBarClear);
}
if ((PciData.Hdr.ClassCode[0] & IDE_PI_REGISTER_SNE) == 0) {
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x18, 1, &IOBarClear);
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint32, 0x1C, 1, &IOBarClear);
}
return ;
return;
}

1214
OvmfPkg/Csm/LegacyBiosDxe/LegacyPci.c
View File

File diff suppressed because it is too large Load Diff

300
OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c
View File

@@ -21,32 +21,32 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
EFI_STATUS
LegacyBiosBuildSioDataFromSio (
IN DEVICE_PRODUCER_DATA_HEADER *SioPtr
IN DEVICE_PRODUCER_DATA_HEADER *SioPtr
)
{
EFI_STATUS Status;
DEVICE_PRODUCER_SERIAL *SioSerial;
DEVICE_PRODUCER_PARALLEL *SioParallel;
DEVICE_PRODUCER_FLOPPY *SioFloppy;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN ChildIndex;
EFI_SIO_PROTOCOL *Sio;
ACPI_RESOURCE_HEADER_PTR Resources;
EFI_ACPI_IO_PORT_DESCRIPTOR *IoResource;
EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *FixedIoResource;
EFI_ACPI_DMA_DESCRIPTOR *DmaResource;
EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *IrqResource;
UINT16 Address;
UINT8 Dma;
UINT8 Irq;
UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
ACPI_HID_DEVICE_PATH *Acpi;
EFI_STATUS Status;
DEVICE_PRODUCER_SERIAL *SioSerial;
DEVICE_PRODUCER_PARALLEL *SioParallel;
DEVICE_PRODUCER_FLOPPY *SioFloppy;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN ChildIndex;
EFI_SIO_PROTOCOL *Sio;
ACPI_RESOURCE_HEADER_PTR Resources;
EFI_ACPI_IO_PORT_DESCRIPTOR *IoResource;
EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *FixedIoResource;
EFI_ACPI_DMA_DESCRIPTOR *DmaResource;
EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *IrqResource;
UINT16 Address;
UINT8 Dma;
UINT8 Irq;
UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
ACPI_HID_DEVICE_PATH *Acpi;
//
// Get the list of ISA controllers in the system
@@ -61,11 +61,12 @@ LegacyBiosBuildSioDataFromSio (
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
//
// Collect legacy information from each of the ISA controllers in the system
//
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSioProtocolGuid, (VOID **) &Sio);
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSioProtocolGuid, (VOID **)&Sio);
if (EFI_ERROR (Status)) {
continue;
}
@@ -73,46 +74,46 @@ LegacyBiosBuildSioDataFromSio (
Address = MAX_UINT16;
Dma = MAX_UINT8;
Irq = MAX_UINT8;
Status = Sio->GetResources (Sio, &Resources);
Status = Sio->GetResources (Sio, &Resources);
if (!EFI_ERROR (Status)) {
//
// Get the base address information from ACPI resource descriptor.
//
while (Resources.SmallHeader->Byte != ACPI_END_TAG_DESCRIPTOR) {
switch (Resources.SmallHeader->Byte) {
case ACPI_IO_PORT_DESCRIPTOR:
IoResource = (EFI_ACPI_IO_PORT_DESCRIPTOR *) Resources.SmallHeader;
Address = IoResource->BaseAddressMin;
break;
case ACPI_IO_PORT_DESCRIPTOR:
IoResource = (EFI_ACPI_IO_PORT_DESCRIPTOR *)Resources.SmallHeader;
Address = IoResource->BaseAddressMin;
break;
case ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR:
FixedIoResource = (EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *) Resources.SmallHeader;
Address = FixedIoResource->BaseAddress;
break;
case ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR:
FixedIoResource = (EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *)Resources.SmallHeader;
Address = FixedIoResource->BaseAddress;
break;
case ACPI_DMA_DESCRIPTOR:
DmaResource = (EFI_ACPI_DMA_DESCRIPTOR *) Resources.SmallHeader;
Dma = (UINT8) LowBitSet32 (DmaResource->ChannelMask);
break;
case ACPI_DMA_DESCRIPTOR:
DmaResource = (EFI_ACPI_DMA_DESCRIPTOR *)Resources.SmallHeader;
Dma = (UINT8)LowBitSet32 (DmaResource->ChannelMask);
break;
case ACPI_IRQ_DESCRIPTOR:
case ACPI_IRQ_NOFLAG_DESCRIPTOR:
IrqResource = (EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *) Resources.SmallHeader;
Irq = (UINT8) LowBitSet32 (IrqResource->Mask);
break;
case ACPI_IRQ_DESCRIPTOR:
case ACPI_IRQ_NOFLAG_DESCRIPTOR:
IrqResource = (EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *)Resources.SmallHeader;
Irq = (UINT8)LowBitSet32 (IrqResource->Mask);
break;
default:
break;
default:
break;
}
if (Resources.SmallHeader->Bits.Type == 0) {
Resources.SmallHeader = (ACPI_SMALL_RESOURCE_HEADER *) ((UINT8 *) Resources.SmallHeader
+ Resources.SmallHeader->Bits.Length
+ sizeof (*Resources.SmallHeader));
Resources.SmallHeader = (ACPI_SMALL_RESOURCE_HEADER *)((UINT8 *)Resources.SmallHeader
+ Resources.SmallHeader->Bits.Length
+ sizeof (*Resources.SmallHeader));
} else {
Resources.LargeHeader = (ACPI_LARGE_RESOURCE_HEADER *) ((UINT8 *) Resources.LargeHeader
+ Resources.LargeHeader->Length
+ sizeof (*Resources.LargeHeader));
Resources.LargeHeader = (ACPI_LARGE_RESOURCE_HEADER *)((UINT8 *)Resources.LargeHeader
+ Resources.LargeHeader->Length
+ sizeof (*Resources.LargeHeader));
}
}
}
@@ -126,13 +127,14 @@ LegacyBiosBuildSioDataFromSio (
Acpi = NULL;
while (!IsDevicePathEnd (DevicePath)) {
Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;
Acpi = (ACPI_HID_DEVICE_PATH *)DevicePath;
DevicePath = NextDevicePathNode (DevicePath);
}
if ((Acpi == NULL) || (DevicePathType (Acpi) != ACPI_DEVICE_PATH) ||
((DevicePathSubType (Acpi) != ACPI_DP) && (DevicePathSubType (Acpi) != ACPI_EXTENDED_DP))
) {
)
{
continue;
}
@@ -141,9 +143,8 @@ LegacyBiosBuildSioDataFromSio (
//
// Ignore DMA resource since it is always returned NULL
//
if (Acpi->HID == EISA_PNP_ID (0x500) || Acpi->HID == EISA_PNP_ID (0x501)) {
if (Acpi->UID < 4 && Address != MAX_UINT16 && Irq != MAX_UINT8) {
if ((Acpi->HID == EISA_PNP_ID (0x500)) || (Acpi->HID == EISA_PNP_ID (0x501))) {
if ((Acpi->UID < 4) && (Address != MAX_UINT16) && (Irq != MAX_UINT8)) {
//
// Get the handle of the child device that has opened the Super I/O Protocol
//
@@ -156,14 +157,15 @@ LegacyBiosBuildSioDataFromSio (
if (EFI_ERROR (Status)) {
continue;
}
for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {
if ((OpenInfoBuffer[ChildIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {
Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **) &SerialIo);
Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **)&SerialIo);
if (!EFI_ERROR (Status)) {
SioSerial = &SioPtr->Serial[Acpi->UID];
SioSerial->Address = Address;
SioSerial->Irq = Irq;
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
SioSerial = &SioPtr->Serial[Acpi->UID];
SioSerial->Address = Address;
SioSerial->Irq = Irq;
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
break;
}
}
@@ -172,36 +174,39 @@ LegacyBiosBuildSioDataFromSio (
FreePool (OpenInfoBuffer);
}
}
//
// See if this is an ISA parallel port
//
// Ignore DMA resource since it is always returned NULL, port
// only used in output mode.
//
if (Acpi->HID == EISA_PNP_ID (0x400) || Acpi->HID == EISA_PNP_ID (0x401)) {
if (Acpi->UID < 3 && Address != MAX_UINT16 && Irq != MAX_UINT8 && Dma != MAX_UINT8) {
SioParallel = &SioPtr->Parallel[Acpi->UID];
SioParallel->Address = Address;
SioParallel->Irq = Irq;
SioParallel->Dma = Dma;
SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
if ((Acpi->HID == EISA_PNP_ID (0x400)) || (Acpi->HID == EISA_PNP_ID (0x401))) {
if ((Acpi->UID < 3) && (Address != MAX_UINT16) && (Irq != MAX_UINT8) && (Dma != MAX_UINT8)) {
SioParallel = &SioPtr->Parallel[Acpi->UID];
SioParallel->Address = Address;
SioParallel->Irq = Irq;
SioParallel->Dma = Dma;
SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
}
}
//
// See if this is an ISA floppy controller
//
if (Acpi->HID == EISA_PNP_ID (0x604)) {
if (Address != MAX_UINT16 && Irq != MAX_UINT8 && Dma != MAX_UINT8) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
if ((Address != MAX_UINT16) && (Irq != MAX_UINT8) && (Dma != MAX_UINT8)) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
if (!EFI_ERROR (Status)) {
SioFloppy = &SioPtr->Floppy;
SioFloppy->Address = Address;
SioFloppy->Irq = Irq;
SioFloppy->Dma = Dma;
SioFloppy = &SioPtr->Floppy;
SioFloppy->Address = Address;
SioFloppy->Irq = Irq;
SioFloppy->Dma = Dma;
SioFloppy->NumberOfFloppy++;
}
}
}
//
// See if this is a mouse
// Always set mouse found so USB hot plug will work
@@ -225,7 +230,6 @@ LegacyBiosBuildSioDataFromSio (
FreePool (HandleBuffer);
return EFI_SUCCESS;
}
/**
@@ -239,27 +243,27 @@ LegacyBiosBuildSioDataFromSio (
**/
EFI_STATUS
LegacyBiosBuildSioDataFromIsaIo (
IN DEVICE_PRODUCER_DATA_HEADER *SioPtr
IN DEVICE_PRODUCER_DATA_HEADER *SioPtr
)
{
EFI_STATUS Status;
DEVICE_PRODUCER_SERIAL *SioSerial;
DEVICE_PRODUCER_PARALLEL *SioParallel;
DEVICE_PRODUCER_FLOPPY *SioFloppy;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN ResourceIndex;
UINTN ChildIndex;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;
EFI_ISA_ACPI_RESOURCE *IoResource;
EFI_ISA_ACPI_RESOURCE *DmaResource;
EFI_ISA_ACPI_RESOURCE *InterruptResource;
UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
EFI_STATUS Status;
DEVICE_PRODUCER_SERIAL *SioSerial;
DEVICE_PRODUCER_PARALLEL *SioParallel;
DEVICE_PRODUCER_FLOPPY *SioFloppy;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
UINTN ResourceIndex;
UINTN ChildIndex;
EFI_ISA_IO_PROTOCOL *IsaIo;
EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;
EFI_ISA_ACPI_RESOURCE *IoResource;
EFI_ISA_ACPI_RESOURCE *DmaResource;
EFI_ISA_ACPI_RESOURCE *InterruptResource;
UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
//
// Get the list of ISA controllers in the system
@@ -274,12 +278,12 @@ LegacyBiosBuildSioDataFromIsaIo (
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
//
// Collect legacy information from each of the ISA controllers in the system
//
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiIsaIoProtocolGuid, (VOID **) &IsaIo);
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiIsaIoProtocolGuid, (VOID **)&IsaIo);
if (EFI_ERROR (Status)) {
continue;
}
@@ -289,6 +293,7 @@ LegacyBiosBuildSioDataFromIsaIo (
if (ResourceList == NULL) {
continue;
}
//
// Collect the resource types neededto fill in the SIO data structure
//
@@ -298,38 +303,40 @@ LegacyBiosBuildSioDataFromIsaIo (
for (ResourceIndex = 0;
ResourceList->ResourceItem[ResourceIndex].Type != EfiIsaAcpiResourceEndOfList;
ResourceIndex++
) {
)
{
switch (ResourceList->ResourceItem[ResourceIndex].Type) {
case EfiIsaAcpiResourceIo:
IoResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceIo:
IoResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceMemory:
break;
case EfiIsaAcpiResourceMemory:
break;
case EfiIsaAcpiResourceDma:
DmaResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceDma:
DmaResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceInterrupt:
InterruptResource = &ResourceList->ResourceItem[ResourceIndex];
break;
case EfiIsaAcpiResourceInterrupt:
InterruptResource = &ResourceList->ResourceItem[ResourceIndex];
break;
default:
break;
default:
break;
}
}
//
// See if this is an ISA serial port
//
// Ignore DMA resource since it is always returned NULL
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x500) || ResourceList->Device.HID == EISA_PNP_ID (0x501)) {
if (ResourceList->Device.UID <= 3 &&
IoResource != NULL &&
InterruptResource != NULL
) {
if ((ResourceList->Device.HID == EISA_PNP_ID (0x500)) || (ResourceList->Device.HID == EISA_PNP_ID (0x501))) {
if ((ResourceList->Device.UID <= 3) &&
(IoResource != NULL) &&
(InterruptResource != NULL)
)
{
//
// Get the handle of the child device that has opened the ISA I/O Protocol
//
@@ -342,17 +349,18 @@ LegacyBiosBuildSioDataFromIsaIo (
if (EFI_ERROR (Status)) {
continue;
}
//
// We want resource for legacy even if no 32-bit driver installed
//
for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {
if ((OpenInfoBuffer[ChildIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {
Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **) &SerialIo);
Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **)&SerialIo);
if (!EFI_ERROR (Status)) {
SioSerial = &SioPtr->Serial[ResourceList->Device.UID];
SioSerial->Address = (UINT16) IoResource->StartRange;
SioSerial->Irq = (UINT8) InterruptResource->StartRange;
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
SioSerial = &SioPtr->Serial[ResourceList->Device.UID];
SioSerial->Address = (UINT16)IoResource->StartRange;
SioSerial->Irq = (UINT8)InterruptResource->StartRange;
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
break;
}
}
@@ -361,40 +369,44 @@ LegacyBiosBuildSioDataFromIsaIo (
FreePool (OpenInfoBuffer);
}
}
//
// See if this is an ISA parallel port
//
// Ignore DMA resource since it is always returned NULL, port
// only used in output mode.
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x400) || ResourceList->Device.HID == EISA_PNP_ID (0x401)) {
if (ResourceList->Device.UID <= 2 &&
IoResource != NULL &&
InterruptResource != NULL &&
DmaResource != NULL
) {
SioParallel = &SioPtr->Parallel[ResourceList->Device.UID];
SioParallel->Address = (UINT16) IoResource->StartRange;
SioParallel->Irq = (UINT8) InterruptResource->StartRange;
SioParallel->Dma = (UINT8) DmaResource->StartRange;
SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
if ((ResourceList->Device.HID == EISA_PNP_ID (0x400)) || (ResourceList->Device.HID == EISA_PNP_ID (0x401))) {
if ((ResourceList->Device.UID <= 2) &&
(IoResource != NULL) &&
(InterruptResource != NULL) &&
(DmaResource != NULL)
)
{
SioParallel = &SioPtr->Parallel[ResourceList->Device.UID];
SioParallel->Address = (UINT16)IoResource->StartRange;
SioParallel->Irq = (UINT8)InterruptResource->StartRange;
SioParallel->Dma = (UINT8)DmaResource->StartRange;
SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
}
}
//
// See if this is an ISA floppy controller
//
if (ResourceList->Device.HID == EISA_PNP_ID (0x604)) {
if (IoResource != NULL && InterruptResource != NULL && DmaResource != NULL) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
if ((IoResource != NULL) && (InterruptResource != NULL) && (DmaResource != NULL)) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **)&BlockIo);
if (!EFI_ERROR (Status)) {
SioFloppy = &SioPtr->Floppy;
SioFloppy->Address = (UINT16) IoResource->StartRange;
SioFloppy->Irq = (UINT8) InterruptResource->StartRange;
SioFloppy->Dma = (UINT8) DmaResource->StartRange;
SioFloppy = &SioPtr->Floppy;
SioFloppy->Address = (UINT16)IoResource->StartRange;
SioFloppy->Irq = (UINT8)InterruptResource->StartRange;
SioFloppy->Dma = (UINT8)DmaResource->StartRange;
SioFloppy->NumberOfFloppy++;
}
}
}
//
// See if this is a mouse
// Always set mouse found so USB hot plug will work
@@ -430,14 +442,14 @@ LegacyBiosBuildSioDataFromIsaIo (
**/
EFI_STATUS
LegacyBiosBuildSioData (
IN LEGACY_BIOS_INSTANCE *Private
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_STATUS Status;
DEVICE_PRODUCER_DATA_HEADER *SioPtr;
EFI_HANDLE IsaBusController;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
EFI_STATUS Status;
DEVICE_PRODUCER_DATA_HEADER *SioPtr;
EFI_HANDLE IsaBusController;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
//
// Get the pointer to the SIO data structure

171
OvmfPkg/Csm/LegacyBiosDxe/Thunk.c
View File

@@ -9,7 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "LegacyBiosInterface.h"
THUNK_CONTEXT mThunkContext;
THUNK_CONTEXT mThunkContext;
/**
Sets the counter value for Timer #0 in a legacy 8254 timer.
@@ -23,8 +23,8 @@ SetPitCount (
)
{
IoWrite8 (TIMER_CONTROL_PORT, TIMER0_CONTROL_WORD);
IoWrite8 (TIMER0_COUNT_PORT, (UINT8) (Count & 0xFF));
IoWrite8 (TIMER0_COUNT_PORT, (UINT8) ((Count>>8) & 0xFF));
IoWrite8 (TIMER0_COUNT_PORT, (UINT8)(Count & 0xFF));
IoWrite8 (TIMER0_COUNT_PORT, (UINT8)((Count>>8) & 0xFF));
}
/**
@@ -45,13 +45,13 @@ SetPitCount (
BOOLEAN
EFIAPI
LegacyBiosInt86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT8 BiosInt,
IN EFI_IA32_REGISTER_SET *Regs
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT8 BiosInt,
IN EFI_IA32_REGISTER_SET *Regs
)
{
UINT16 Segment;
UINT16 Offset;
UINT16 Segment;
UINT16 Offset;
Regs->X.Flags.Reserved1 = 1;
Regs->X.Flags.Reserved2 = 0;
@@ -67,9 +67,9 @@ LegacyBiosInt86 (
// We use this base address to get the legacy interrupt handler.
//
ACCESS_PAGE0_CODE (
Segment = (UINT16)(((UINT32 *)0)[BiosInt] >> 16);
Offset = (UINT16)((UINT32 *)0)[BiosInt];
);
Segment = (UINT16)(((UINT32 *)0)[BiosInt] >> 16);
Offset = (UINT16)((UINT32 *)0)[BiosInt];
);
return InternalLegacyBiosFarCall (
This,
@@ -102,12 +102,12 @@ LegacyBiosInt86 (
BOOLEAN
EFIAPI
LegacyBiosFarCall86 (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
Regs->X.Flags.Reserved1 = 1;
@@ -134,8 +134,8 @@ LegacyBiosFarCall86 (
VOID
EFIAPI
LegacyBiosNullInterruptHandler (
IN EFI_EXCEPTION_TYPE InterruptType,
IN EFI_SYSTEM_CONTEXT SystemContext
IN EFI_EXCEPTION_TYPE InterruptType,
IN EFI_SYSTEM_CONTEXT SystemContext
)
{
}
@@ -161,12 +161,12 @@ LegacyBiosNullInterruptHandler (
BOOLEAN
EFIAPI
InternalLegacyBiosFarCall (
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
IN EFI_LEGACY_BIOS_PROTOCOL *This,
IN UINT16 Segment,
IN UINT16 Offset,
IN EFI_IA32_REGISTER_SET *Regs,
IN VOID *Stack,
IN UINTN StackSize
)
{
UINTN Status;
@@ -180,19 +180,19 @@ InternalLegacyBiosFarCall (
Private = LEGACY_BIOS_INSTANCE_FROM_THIS (This);
ZeroMem (&ThunkRegSet, sizeof (ThunkRegSet));
ThunkRegSet.X.DI = Regs->X.DI;
ThunkRegSet.X.SI = Regs->X.SI;
ThunkRegSet.X.BP = Regs->X.BP;
ThunkRegSet.X.BX = Regs->X.BX;
ThunkRegSet.X.DX = Regs->X.DX;
ThunkRegSet.X.DI = Regs->X.DI;
ThunkRegSet.X.SI = Regs->X.SI;
ThunkRegSet.X.BP = Regs->X.BP;
ThunkRegSet.X.BX = Regs->X.BX;
ThunkRegSet.X.DX = Regs->X.DX;
//
// Sometimes, ECX is used to pass in 32 bit data. For example, INT 1Ah, AX = B10Dh is
// "PCI BIOS v2.0c + Write Configuration DWORD" and ECX has the dword to write.
//
ThunkRegSet.E.ECX = Regs->E.ECX;
ThunkRegSet.X.AX = Regs->X.AX;
ThunkRegSet.E.DS = Regs->X.DS;
ThunkRegSet.E.ES = Regs->X.ES;
ThunkRegSet.E.ECX = Regs->E.ECX;
ThunkRegSet.X.AX = Regs->X.AX;
ThunkRegSet.E.DS = Regs->X.DS;
ThunkRegSet.E.ES = Regs->X.ES;
CopyMem (&(ThunkRegSet.E.EFLAGS.UintN), &(Regs->X.Flags), sizeof (Regs->X.Flags));
@@ -200,7 +200,7 @@ InternalLegacyBiosFarCall (
// Clear the error flag; thunk code may set it. Stack16 should be the high address
// Make Statk16 address the low 16 bit must be not zero.
//
Stack16 = (UINT16 *)((UINT8 *) mThunkContext.RealModeBuffer + mThunkContext.RealModeBufferSize - sizeof (UINT16));
Stack16 = (UINT16 *)((UINT8 *)mThunkContext.RealModeBuffer + mThunkContext.RealModeBufferSize - sizeof (UINT16));
//
// Save current rate of DXE Timer
@@ -229,22 +229,25 @@ InternalLegacyBiosFarCall (
// handled properly from real mode.
//
DEBUG_CODE_BEGIN ();
UINTN Vector;
UINTN Count;
UINTN Vector;
UINTN Count;
for (Vector = 0x20, Count = 0; Vector < 0x100; Vector++) {
Status = Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, LegacyBiosNullInterruptHandler);
if (Status == EFI_ALREADY_STARTED) {
Count++;
}
if (Status == EFI_SUCCESS) {
Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, NULL);
}
for (Vector = 0x20, Count = 0; Vector < 0x100; Vector++) {
Status = Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, LegacyBiosNullInterruptHandler);
if (Status == EFI_ALREADY_STARTED) {
Count++;
}
if (Count >= 2) {
DEBUG ((DEBUG_ERROR, "ERROR: More than one HW interrupt active with CSM enabled\n"));
if (Status == EFI_SUCCESS) {
Private->Cpu->RegisterInterruptHandler (Private->Cpu, Vector, NULL);
}
ASSERT (Count < 2);
}
if (Count >= 2) {
DEBUG ((DEBUG_ERROR, "ERROR: More than one HW interrupt active with CSM enabled\n"));
}
ASSERT (Count < 2);
DEBUG_CODE_END ();
//
@@ -252,11 +255,11 @@ InternalLegacyBiosFarCall (
// period is less than the CSM required rate of 54.9254, then force the 8254
// PIT counter to 0, which is the CSM required rate of 54.9254 ms
//
if (Private->TimerUses8254 && TimerPeriod < 549254) {
if (Private->TimerUses8254 && (TimerPeriod < 549254)) {
SetPitCount (0);
}
if (Stack != NULL && StackSize != 0) {
if ((Stack != NULL) && (StackSize != 0)) {
//
// Copy Stack to low memory stack
//
@@ -264,12 +267,12 @@ InternalLegacyBiosFarCall (
CopyMem (Stack16, Stack, StackSize);
}
ThunkRegSet.E.SS = (UINT16) (((UINTN) Stack16 >> 16) << 12);
ThunkRegSet.E.ESP = (UINT16) (UINTN) Stack16;
ThunkRegSet.E.CS = Segment;
ThunkRegSet.E.Eip = Offset;
ThunkRegSet.E.SS = (UINT16)(((UINTN)Stack16 >> 16) << 12);
ThunkRegSet.E.ESP = (UINT16)(UINTN)Stack16;
ThunkRegSet.E.CS = Segment;
ThunkRegSet.E.Eip = Offset;
mThunkContext.RealModeState = &ThunkRegSet;
mThunkContext.RealModeState = &ThunkRegSet;
//
// Set Legacy16 state. 0x08, 0x70 is legacy 8259 vector bases.
@@ -279,7 +282,7 @@ InternalLegacyBiosFarCall (
AsmThunk16 (&mThunkContext);
if (Stack != NULL && StackSize != 0) {
if ((Stack != NULL) && (StackSize != 0)) {
//
// Copy low memory stack to Stack
//
@@ -311,17 +314,17 @@ InternalLegacyBiosFarCall (
// PcdEbdaReservedMemorySize should be adjusted to larger for more OPROMs.
//
DEBUG_CODE_BEGIN ();
{
UINTN EbdaBaseAddress;
UINTN ReservedEbdaBaseAddress;
{
UINTN EbdaBaseAddress;
UINTN ReservedEbdaBaseAddress;
ACCESS_PAGE0_CODE (
EbdaBaseAddress = (*(UINT16 *) (UINTN) 0x40E) << 4;
ReservedEbdaBaseAddress = CONVENTIONAL_MEMORY_TOP
- PcdGet32 (PcdEbdaReservedMemorySize);
ASSERT (ReservedEbdaBaseAddress <= EbdaBaseAddress);
ACCESS_PAGE0_CODE (
EbdaBaseAddress = (*(UINT16 *)(UINTN)0x40E) << 4;
ReservedEbdaBaseAddress = CONVENTIONAL_MEMORY_TOP
- PcdGet32 (PcdEbdaReservedMemorySize);
ASSERT (ReservedEbdaBaseAddress <= EbdaBaseAddress);
);
}
}
DEBUG_CODE_END ();
//
@@ -329,21 +332,21 @@ InternalLegacyBiosFarCall (
//
SaveAndSetDebugTimerInterrupt (InterruptState);
Regs->E.EDI = ThunkRegSet.E.EDI;
Regs->E.ESI = ThunkRegSet.E.ESI;
Regs->E.EBP = ThunkRegSet.E.EBP;
Regs->E.EBX = ThunkRegSet.E.EBX;
Regs->E.EDX = ThunkRegSet.E.EDX;
Regs->E.ECX = ThunkRegSet.E.ECX;
Regs->E.EAX = ThunkRegSet.E.EAX;
Regs->X.SS = ThunkRegSet.E.SS;
Regs->X.CS = ThunkRegSet.E.CS;
Regs->X.DS = ThunkRegSet.E.DS;
Regs->X.ES = ThunkRegSet.E.ES;
Regs->E.EDI = ThunkRegSet.E.EDI;
Regs->E.ESI = ThunkRegSet.E.ESI;
Regs->E.EBP = ThunkRegSet.E.EBP;
Regs->E.EBX = ThunkRegSet.E.EBX;
Regs->E.EDX = ThunkRegSet.E.EDX;
Regs->E.ECX = ThunkRegSet.E.ECX;
Regs->E.EAX = ThunkRegSet.E.EAX;
Regs->X.SS = ThunkRegSet.E.SS;
Regs->X.CS = ThunkRegSet.E.CS;
Regs->X.DS = ThunkRegSet.E.DS;
Regs->X.ES = ThunkRegSet.E.ES;
CopyMem (&(Regs->X.Flags), &(ThunkRegSet.E.EFLAGS.UintN), sizeof (Regs->X.Flags));
return (BOOLEAN) (Regs->X.Flags.CF == 1);
return (BOOLEAN)(Regs->X.Flags.CF == 1);
}
/**
@@ -357,16 +360,16 @@ InternalLegacyBiosFarCall (
**/
EFI_STATUS
LegacyBiosInitializeThunk (
IN LEGACY_BIOS_INSTANCE *Private
IN LEGACY_BIOS_INSTANCE *Private
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemoryAddress;
UINT8 TimerVector;
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemoryAddress;
UINT8 TimerVector;
MemoryAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) Private->IntThunk;
MemoryAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Private->IntThunk;
mThunkContext.RealModeBuffer = (VOID *) (UINTN) (MemoryAddress + ((sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 1) * EFI_PAGE_SIZE);
mThunkContext.RealModeBuffer = (VOID *)(UINTN)(MemoryAddress + ((sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 1) * EFI_PAGE_SIZE);
mThunkContext.RealModeBufferSize = EFI_PAGE_SIZE;
mThunkContext.ThunkAttributes = THUNK_ATTRIBUTE_BIG_REAL_MODE | THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15;
@@ -376,7 +379,7 @@ LegacyBiosInitializeThunk (
// Get the interrupt vector number corresponding to IRQ0 from the 8259 driver
//
TimerVector = 0;
Status = Private->Legacy8259->GetVector (Private->Legacy8259, Efi8259Irq0, &TimerVector);
Status = Private->Legacy8259->GetVector (Private->Legacy8259, Efi8259Irq0, &TimerVector);
ASSERT_EFI_ERROR (Status);
//