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Coding style clean-up. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8670 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2009-06-26 08:40:09 +00:00
parent 91c681977b
commit 0a2dfa1996
6 changed files with 214 additions and 36 deletions
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2
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/ComponentName.c
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@ -1,4 +1,4 @@
/**@file /** @file
UEFI Component Name(2) protocol implementation for IsaBus driver. UEFI Component Name(2) protocol implementation for IsaBus driver.
Copyright (c) 2006 - 2009, Intel Corporation. <BR> Copyright (c) 2006 - 2009, Intel Corporation. <BR>

2
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/ComponentName.h
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@ -1,4 +1,4 @@
/**@file /** @file
Header file for implementation of UEFI Component Name(2) protocol. Header file for implementation of UEFI Component Name(2) protocol.
Copyright (c) 2006 - 2009, Intel Corporation<BR> Copyright (c) 2006 - 2009, Intel Corporation<BR>

13
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h
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@ -1,4 +1,4 @@
/**@file /** @file
The header file for ISA bus driver The header file for ISA bus driver
Copyright (c) 2006 - 2009, Intel Corporation. <BR> Copyright (c) 2006 - 2009, Intel Corporation. <BR>
@ -178,9 +178,9 @@ typedef struct {
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaBusControllerDriverSupported ( IsaBusControllerDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL * This, IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller, IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
); );
/** /**
@ -213,9 +213,9 @@ IsaBusControllerDriverSupported (
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaBusControllerDriverStart ( IsaBusControllerDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL * This, IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller, IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
); );
/** /**
@ -264,7 +264,7 @@ IsaBusControllerDriverStop (
@param[in] PciIo The Pointer to the PCI protocol @param[in] PciIo The Pointer to the PCI protocol
@param[in] ParentDevicePath Device path of the ISA bus controller @param[in] ParentDevicePath Device path of the ISA bus controller
@param[in] IsaDeviceResourceList The resource list of the ISA device @param[in] IsaDeviceResourceList The resource list of the ISA device
@param[in] ChildDevicePath The pointer to the child device. @param[out] ChildDevicePath The pointer to the child device.
@retval EFI_SUCCESS The handle for the child device was created. @retval EFI_SUCCESS The handle for the child device was created.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@ -286,7 +286,6 @@ IsaCreateDevice (
@param[in] IsaIoDevice The iso device to be initialized. @param[in] IsaIoDevice The iso device to be initialized.
@param[in] IsaDeviceResourceList The resource list. @param[in] IsaDeviceResourceList The resource list.
@retval None
**/ **/
VOID VOID
InitializeIsaIoInstance ( InitializeIsaIoInstance (

188
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaIo.h
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@ -1,4 +1,4 @@
/**@file /** @file
The header file for EFI_ISA_IO protocol implementation. The header file for EFI_ISA_IO protocol implementation.
Copyright (c) 2006 - 2009, Intel Corporation.<BR> Copyright (c) 2006 - 2009, Intel Corporation.<BR>
@ -21,6 +21,19 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
// ISA I/O Support Function Prototypes // ISA I/O Support Function Prototypes
// //
/**
Verifies access to an ISA device
@param[in] IsaIoDevice The ISA device to be verified.
@param[in] Type The Access type. The input must be either IsaAccessTypeMem or IsaAccessTypeIo.
@param[in] Width The width of the memory operation.
@param[in] Count The number of memory operations to perform.
@param[in] Offset The offset in ISA memory space to start the memory operation.
@retval EFI_SUCCESS Verify success.
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
@retval EFI_UNSUPPORTED The device ont support the access type.
**/
EFI_STATUS EFI_STATUS
IsaIoVerifyAccess ( IsaIoVerifyAccess (
IN ISA_IO_DEVICE *IsaIoDevice, IN ISA_IO_DEVICE *IsaIoDevice,
@ -30,6 +43,20 @@ IsaIoVerifyAccess (
IN UINT32 Offset IN UINT32 Offset
); );
/**
Performs an ISA I/O Read Cycle
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the I/O operation.
@param[in] Offset The offset in ISA I/O space to start the I/O operation.
@param[in] Count The number of I/O operations to perform.
@param[out] Buffer The destination buffer to store the results
@retval EFI_SUCCESS The data was read from the device sucessfully.
@retval EFI_UNSUPPORTED The Offset is not valid for this device.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoIoRead ( IsaIoIoRead (
@ -40,6 +67,20 @@ IsaIoIoRead (
OUT VOID *Buffer OUT VOID *Buffer
); );
/**
Performs an ISA I/O Write Cycle
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the I/O operation.
@param[in] Offset The offset in ISA I/O space to start the I/O operation.
@param[in] Count The number of I/O operations to perform.
@param[in] Buffer The source buffer to write data from
@retval EFI_SUCCESS The data was writen to the device sucessfully.
@retval EFI_UNSUPPORTED The Offset is not valid for this device.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoIoWrite ( IsaIoIoWrite (
@ -50,6 +91,30 @@ IsaIoIoWrite (
IN VOID *Buffer IN VOID *Buffer
); );
/**
Maps a memory region for DMA
@param This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param Operation Indicates the type of DMA (slave or bus master), and if
the DMA operation is going to read or write to system memory.
@param ChannelNumber The slave channel number to use for this DMA operation.
If Operation and ChannelAttributes shows that this device
performs bus mastering DMA, then this field is ignored.
The legal range for this field is 0..7.
@param ChannelAttributes The attributes of the DMA channel to use for this DMA operation
@param HostAddress The system memory address to map to the device.
@param NumberOfBytes On input the number of bytes to map. On output the number
of bytes that were mapped.
@param DeviceAddress The resulting map address for the bus master device to use
to access the hosts HostAddress.
@param Mapping A resulting value to pass to EFI_ISA_IO.Unmap().
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_INVALID_PARAMETER The Operation or HostAddress is undefined.
@retval EFI_UNSUPPORTED The HostAddress can not be mapped as a common buffer.
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoMap ( IsaIoMap (
@ -63,6 +128,15 @@ IsaIoMap (
OUT VOID **Mapping OUT VOID **Mapping
); );
/**
Unmaps a memory region for DMA
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Mapping The mapping value returned from EFI_ISA_IO.Map().
@retval EFI_SUCCESS The range was unmapped.
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoUnmap ( IsaIoUnmap (
@ -70,17 +144,47 @@ IsaIoUnmap (
IN VOID *Mapping IN VOID *Mapping
); );
/**
Flushes any posted write data to the system memory.
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@retval EFI_SUCCESS The buffers were flushed.
@retval EFI_DEVICE_ERROR The buffers were not flushed due to a hardware error.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoFlush ( IsaIoFlush (
IN EFI_ISA_IO_PROTOCOL *This IN EFI_ISA_IO_PROTOCOL *This
); );
/**
report a error Status code
@param Code The error status code.
@return EFI_SUCCESS Success to report status code.
**/
EFI_STATUS EFI_STATUS
ReportErrorStatusCode ( ReportErrorStatusCode (
EFI_STATUS_CODE_VALUE code EFI_STATUS_CODE_VALUE Code
); );
/**
Writes I/O operation base address and count number to a 8 bit I/O Port.
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] AddrOffset The address' offset.
@param[in] PageOffset The page's offest.
@param[in] CountOffset The count's offset.
@param[in] BaseAddress The base address.
@param[in] Count The number of I/O operations to perform.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER Parameter is invalid.
@retval EFI_UNSUPPORTED The address range specified by these Offsets and Count is not valid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
WriteDmaPort ( WriteDmaPort (
IN EFI_ISA_IO_PROTOCOL *This, IN EFI_ISA_IO_PROTOCOL *This,
@ -91,6 +195,18 @@ WriteDmaPort (
IN UINT16 Count IN UINT16 Count
); );
/**
Writes an 8-bit I/O Port
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Offset The offset in ISA IO space to start the IO operation.
@param[in] Value The data to write port.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER Parameter is invalid.
@retval EFI_UNSUPPORTED The address range specified by Offset is not valid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
WritePort ( WritePort (
IN EFI_ISA_IO_PROTOCOL *This, IN EFI_ISA_IO_PROTOCOL *This,
@ -98,6 +214,20 @@ WritePort (
IN UINT8 Value IN UINT8 Value
); );
/**
Performs an ISA Memory Read Cycle
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the memory operation.
@param[in] Offset The offset in ISA memory space to start the memory operation.
@param[in] Count The number of memory operations to perform.
@param[out] Buffer The destination buffer to store the results
@retval EFI_SUCCESS The data was read from the device successfully.
@retval EFI_UNSUPPORTED The Offset is not valid for this device.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoMemRead ( IsaIoMemRead (
@ -109,6 +239,20 @@ IsaIoMemRead (
); );
/**
Performs an ISA Memory Write Cycle
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the memory operation.
@param[in] Offset The offset in ISA memory space to start the memory operation.
@param[in] Count The number of memory operations to perform.
@param[in] Buffer The source buffer to write data from
@retval EFI_SUCCESS The data was written to the device sucessfully.
@retval EFI_UNSUPPORTED The Offset is not valid for this device.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoMemWrite ( IsaIoMemWrite (
@ -119,6 +263,20 @@ IsaIoMemWrite (
IN VOID *Buffer IN VOID *Buffer
); );
/**
Copy one region of ISA memory space to another region of ISA memory space on the ISA controller.
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the memory copy operation.
@param[in] DestOffset The offset of the destination
@param[in] SrcOffset The offset of the source
@param[in] Count The number of memory copy operations to perform
@retval EFI_SUCCESS The data was copied sucessfully.
@retval EFI_UNSUPPORTED The DestOffset or SrcOffset is not valid for this device.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoCopyMem ( IsaIoCopyMem (
@ -129,6 +287,22 @@ IsaIoCopyMem (
IN UINTN Count IN UINTN Count
); );
/**
Allocates pages that are suitable for an EfiIsaIoOperationBusMasterCommonBuffer mapping.
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Type The type allocation to perform.
@param[in] MemoryType The type of memory to allocate.
@param[in] Pages The number of pages to allocate.
@param[out] HostAddress A pointer to store the base address of the allocated range.
@param[in] Attributes The requested bit mask of attributes for the allocated range.
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_INVALID_PARAMETER Type is invalid or MemoryType is invalid or HostAddress is NULL
@retval EFI_UNSUPPORTED Attributes is unsupported or the memory range specified
by HostAddress, Pages, and Type is not available for common buffer use.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoAllocateBuffer ( IsaIoAllocateBuffer (
@ -140,6 +314,16 @@ IsaIoAllocateBuffer (
IN UINT64 Attributes IN UINT64 Attributes
); );
/**
Frees memory that was allocated with EFI_ISA_IO.AllocateBuffer().
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Pages The number of pages to free.
@param[in] HostAddress The base address of the allocated range.
@retval EFI_SUCCESS The requested memory pages were freed.
@retval EFI_INVALID_PARAMETER The memory was not allocated with EFI_ISA_IO.AllocateBufer().
**/
EFI_STATUS EFI_STATUS
EFIAPI EFIAPI
IsaIoFreeBuffer ( IsaIoFreeBuffer (

4
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/IsaBus.c
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@ -1,4 +1,4 @@
/**@file /** @file
ISA Bus UEFI driver. ISA Bus UEFI driver.
Discovers all the ISA Controllers and their resources by using the ISA ACPI Discovers all the ISA Controllers and their resources by using the ISA ACPI
@ -564,7 +564,7 @@ IsaBusControllerDriverStop (
@param[in] PciIo The Pointer to the PCI protocol @param[in] PciIo The Pointer to the PCI protocol
@param[in] ParentDevicePath Device path of the ISA bus controller @param[in] ParentDevicePath Device path of the ISA bus controller
@param[in] IsaDeviceResourceList The resource list of the ISA device @param[in] IsaDeviceResourceList The resource list of the ISA device
@param[in] ChildDevicePath The pointer to the child device. @param[out] ChildDevicePath The pointer to the child device.
@retval EFI_SUCCESS The handle for the child device was created. @retval EFI_SUCCESS The handle for the child device was created.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.

41
IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/IsaIo.c
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@ -1,4 +1,4 @@
/**@file /** @file
The implementation for EFI_ISA_IO_PROTOCOL. The implementation for EFI_ISA_IO_PROTOCOL.
Copyright (c) 2006 - 2009, Intel Corporation.<BR> Copyright (c) 2006 - 2009, Intel Corporation.<BR>
@ -104,7 +104,6 @@ ReportErrorStatusCode (
@param[in] IsaIoDevice The iso device to be initialized. @param[in] IsaIoDevice The iso device to be initialized.
@param[in] IsaDeviceResourceList The resource list. @param[in] IsaDeviceResourceList The resource list.
@retval None
**/ **/
VOID VOID
InitializeIsaIoInstance ( InitializeIsaIoInstance (
@ -624,7 +623,7 @@ IsaIoMemWrite (
@param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance. @param[in] This A pointer to the EFI_ISA_IO_PROTOCOL instance.
@param[in] Width Specifies the width of the memory copy operation. @param[in] Width Specifies the width of the memory copy operation.
@param[out] DestOffset The offset of the destination @param[in] DestOffset The offset of the destination
@param[in] SrcOffset The offset of the source @param[in] SrcOffset The offset of the source
@param[in] Count The number of memory copy operations to perform @param[in] Count The number of memory copy operations to perform
@ -1037,17 +1036,14 @@ IsaIoMapFullSupport (
// //
// This implementation only support COMPATIBLE DMA Transfers // This implementation only support COMPATIBLE DMA Transfers
// //
if (!(ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_COMPATIBLE)) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_COMPATIBLE) == 0) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
if (ChannelAttributes & if ((ChannelAttributes &
( (EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_A |
EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_A | EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_B |
EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_B | EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_C)) != 0) {
EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_C
)
) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
@ -1055,8 +1051,8 @@ IsaIoMapFullSupport (
// //
// If this is Channel 0..3, then the width must be 8 bit // If this is Channel 0..3, then the width must be 8 bit
// //
if (!(ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8) || if (((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8) == 0) ||
(ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16) ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16) != 0)
) { ) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
@ -1064,21 +1060,20 @@ IsaIoMapFullSupport (
// //
// If this is Channel 4..7, then the width must be 16 bit // If this is Channel 4..7, then the width must be 16 bit
// //
if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8) || if (((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8) != 0) ||
(!(ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16)) ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16) == 0)) {
) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
} }
// //
// Either Demand Mode or Single Mode must be selected, but not both // Either Demand Mode or Single Mode must be selected, but not both
// //
if (ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE) != 0) {
if (ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE) != 0) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
} else { } else {
if (!(ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE)) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE) == 0) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
} }
@ -1173,15 +1168,15 @@ IsaIoMapFullSupport (
DmaMode |= V_8237_DMA_CHMODE_IO2MEM; DmaMode |= V_8237_DMA_CHMODE_IO2MEM;
} }
if (ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_AUTO_INITIALIZE) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_AUTO_INITIALIZE) != 0) {
DmaMode |= B_8237_DMA_CHMODE_AE; DmaMode |= B_8237_DMA_CHMODE_AE;
} }
if (ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE) != 0) {
DmaMode |= V_8237_DMA_CHMODE_DEMAND; DmaMode |= V_8237_DMA_CHMODE_DEMAND;
} }
if (ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE) { if ((ChannelAttributes & EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE) != 0) {
DmaMode |= V_8237_DMA_CHMODE_SINGLE; DmaMode |= V_8237_DMA_CHMODE_SINGLE;
} }
// //
@ -1392,7 +1387,7 @@ IsaIoAllocateBuffer (
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
if (Attributes & ~(EFI_ISA_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE | EFI_ISA_IO_ATTRIBUTE_MEMORY_CACHED)) { if ((Attributes & ~(EFI_ISA_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE | EFI_ISA_IO_ATTRIBUTE_MEMORY_CACHED)) != 0) {
return EFI_UNSUPPORTED; return EFI_UNSUPPORTED;
} }