diff options
Diffstat (limited to 'OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c')
| -rw-r--r-- | OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c b/OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c deleted file mode 100644 index 0cb48fa..0000000 --- a/OvmfPkg/Csm/LegacyBiosDxe/LegacySio.c +++ /dev/null @@ -1,489 +0,0 @@ -/** @file
- Collect Sio information from Native EFI Drivers.
- Sio is floppy, parallel, serial, ... hardware
-
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "LegacyBiosInterface.h"
-
-/**
- Collect EFI Info about legacy devices through Super IO interface.
-
- @param SioPtr Pointer to SIO data.
-
- @retval EFI_SUCCESS When SIO data is got successfully.
- @retval EFI_NOT_FOUND When ISA IO interface is absent.
-
-**/
-EFI_STATUS
-LegacyBiosBuildSioDataFromSio (
- 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;
-
- //
- // Get the list of ISA controllers in the system
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiSioProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- 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);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- Address = MAX_UINT16;
- Dma = MAX_UINT8;
- Irq = MAX_UINT8;
- 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_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_IRQ_DESCRIPTOR:
- case ACPI_IRQ_NOFLAG_DESCRIPTOR:
- IrqResource = (EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *)Resources.SmallHeader;
- Irq = (UINT8)LowBitSet32 (IrqResource->Mask);
- 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));
- } else {
- Resources.LargeHeader = (ACPI_LARGE_RESOURCE_HEADER *)((UINT8 *)Resources.LargeHeader
- + Resources.LargeHeader->Length
- + sizeof (*Resources.LargeHeader));
- }
- }
- }
-
- DEBUG ((DEBUG_INFO, "LegacySio: Address/Dma/Irq = %x/%d/%d\n", Address, Dma, Irq));
-
- DevicePath = DevicePathFromHandle (HandleBuffer[Index]);
- if (DevicePath == NULL) {
- continue;
- }
-
- Acpi = NULL;
- while (!IsDevicePathEnd (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;
- }
-
- //
- // See if this is an ISA serial port
- //
- // 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)) {
- //
- // Get the handle of the child device that has opened the Super I/O Protocol
- //
- Status = gBS->OpenProtocolInformation (
- HandleBuffer[Index],
- &gEfiSioProtocolGuid,
- &OpenInfoBuffer,
- &EntryCount
- );
- 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);
- 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;
- break;
- }
- }
- }
-
- 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;
- }
- }
-
- //
- // 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 (!EFI_ERROR (Status)) {
- 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
- //
- // Ignore lower byte of HID. Pnp0fxx is any type of mouse.
- //
- // Hid = ResourceList->Device.HID & 0xff00ffff;
- // PnpId = EISA_PNP_ID(0x0f00);
- // if (Hid == PnpId) {
- // if (ResourceList->Device.UID == 1) {
- // Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);
- // if (!EFI_ERROR (Status)) {
- //
- SioPtr->MousePresent = 0x01;
- //
- // }
- // }
- // }
- //
- }
-
- FreePool (HandleBuffer);
- return EFI_SUCCESS;
-}
-
-/**
- Collect EFI Info about legacy devices through ISA IO interface.
-
- @param SioPtr Pointer to SIO data.
-
- @retval EFI_SUCCESS When SIO data is got successfully.
- @retval EFI_NOT_FOUND When ISA IO interface is absent.
-
-**/
-EFI_STATUS
-LegacyBiosBuildSioDataFromIsaIo (
- 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;
-
- //
- // Get the list of ISA controllers in the system
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiIsaIoProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- 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);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- ResourceList = IsaIo->ResourceList;
-
- if (ResourceList == NULL) {
- continue;
- }
-
- //
- // Collect the resource types neededto fill in the SIO data structure
- //
- IoResource = NULL;
- DmaResource = NULL;
- InterruptResource = NULL;
- for (ResourceIndex = 0;
- ResourceList->ResourceItem[ResourceIndex].Type != EfiIsaAcpiResourceEndOfList;
- ResourceIndex++
- )
- {
- switch (ResourceList->ResourceItem[ResourceIndex].Type) {
- case EfiIsaAcpiResourceIo:
- IoResource = &ResourceList->ResourceItem[ResourceIndex];
- break;
-
- case EfiIsaAcpiResourceMemory:
- break;
-
- case EfiIsaAcpiResourceDma:
- DmaResource = &ResourceList->ResourceItem[ResourceIndex];
- break;
-
- case EfiIsaAcpiResourceInterrupt:
- InterruptResource = &ResourceList->ResourceItem[ResourceIndex];
- 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)
- )
- {
- //
- // Get the handle of the child device that has opened the ISA I/O Protocol
- //
- Status = gBS->OpenProtocolInformation (
- HandleBuffer[Index],
- &gEfiIsaIoProtocolGuid,
- &OpenInfoBuffer,
- &EntryCount
- );
- 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);
- 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;
- break;
- }
- }
- }
-
- 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;
- }
- }
-
- //
- // 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 (!EFI_ERROR (Status)) {
- 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
- //
- // Ignore lower byte of HID. Pnp0fxx is any type of mouse.
- //
- // Hid = ResourceList->Device.HID & 0xff00ffff;
- // PnpId = EISA_PNP_ID(0x0f00);
- // if (Hid == PnpId) {
- // if (ResourceList->Device.UID == 1) {
- // Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);
- // if (!EFI_ERROR (Status)) {
- //
- SioPtr->MousePresent = 0x01;
- //
- // }
- // }
- // }
- //
- }
-
- FreePool (HandleBuffer);
- return EFI_SUCCESS;
-}
-
-/**
- Collect EFI Info about legacy devices.
-
- @param Private Legacy BIOS Instance data
-
- @retval EFI_SUCCESS It should always work.
-
-**/
-EFI_STATUS
-LegacyBiosBuildSioData (
- IN LEGACY_BIOS_INSTANCE *Private
- )
-{
- EFI_STATUS Status;
- DEVICE_PRODUCER_DATA_HEADER *SioPtr;
- EFI_HANDLE IsaBusController;
- UINTN HandleCount;
- EFI_HANDLE *HandleBuffer;
-
- //
- // Get the pointer to the SIO data structure
- //
- SioPtr = &Private->IntThunk->EfiToLegacy16BootTable.SioData;
-
- //
- // Zero the data in the SIO data structure
- //
- gBS->SetMem (SioPtr, sizeof (DEVICE_PRODUCER_DATA_HEADER), 0);
-
- //
- // Find the ISA Bus Controller used for legacy
- //
- Status = Private->LegacyBiosPlatform->GetPlatformHandle (
- Private->LegacyBiosPlatform,
- EfiGetPlatformIsaBusHandle,
- 0,
- &HandleBuffer,
- &HandleCount,
- NULL
- );
- IsaBusController = HandleBuffer[0];
- if (!EFI_ERROR (Status)) {
- //
- // Force ISA Bus Controller to produce all ISA devices
- //
- gBS->ConnectController (IsaBusController, NULL, NULL, TRUE);
- }
-
- Status = LegacyBiosBuildSioDataFromIsaIo (SioPtr);
- if (EFI_ERROR (Status)) {
- LegacyBiosBuildSioDataFromSio (SioPtr);
- }
-
- return EFI_SUCCESS;
-}
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