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@ -271,21 +271,19 @@ PciSegmentRegisterForRuntimeAccess (
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Reads an 8-bit PCI configuration register.
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Reads and returns the 8-bit PCI configuration register specified by Address.
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This function must guarantee that all PCI read and write operations are
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serialized.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@return The value read from the PCI configuration register.
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@return The 8-bit PCI configuration register specified by Address.
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**/
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UINT8
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EFIAPI
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PciSegmentRead8 (
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IN UINT64 Address
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IN UINT64 Address
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)
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{
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ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
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@ -296,15 +294,13 @@ PciSegmentRead8 (
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/**
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Writes an 8-bit PCI configuration register.
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Writes the 8-bit PCI configuration register specified by Address with the
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value specified by Value. Value is returned. This function must guarantee
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that all PCI read and write operations are serialized.
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Writes the 8-bit PCI configuration register specified by Address with the value specified by Value.
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Value is returned. This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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If Address > 0x0FFFFFFF, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param Data The value to write.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param Value The value to write.
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@return The value written to the PCI configuration register.
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@ -312,103 +308,94 @@ PciSegmentRead8 (
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UINT8
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EFIAPI
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PciSegmentWrite8 (
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IN UINT64 Address,
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IN UINT8 Data
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IN UINT64 Address,
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IN UINT8 Value
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)
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{
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ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
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return (UINT8) DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint8, Data);
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return (UINT8) DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint8, Value);
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}
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/**
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Performs a bitwise OR of an 8-bit PCI configuration register with
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an 8-bit value.
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Performs a bitwise OR of an 8-bit PCI configuration register with an 8-bit value.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise OR between the read result and the value specified by
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OrData, and writes the result to the 8-bit PCI configuration register
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specified by Address. The value written to the PCI configuration register is
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returned. This function must guarantee that all PCI read and write operations
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are serialized.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise OR between the read result and the value specified by OrData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param OrData The value to OR with the PCI configuration register.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param OrData The value to OR with the PCI configuration register.
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@return The value written back to the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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PciSegmentOr8 (
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IN UINT64 Address,
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IN UINT8 OrData
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IN UINT64 Address,
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IN UINT8 OrData
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)
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{
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return PciSegmentWrite8 (Address, (UINT8) (PciSegmentRead8 (Address) | OrData));
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}
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/**
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
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value.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise AND between the read result and the value specified by AndData, and
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writes the result to the 8-bit PCI configuration register specified by
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Address. The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are
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serialized.
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise AND between the read result and the value specified by AndData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param AndData The value to AND with the PCI configuration register.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param AndData The value to AND with the PCI configuration register.
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@return The value written back to the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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PciSegmentAnd8 (
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IN UINT64 Address,
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IN UINT8 AndData
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IN UINT64 Address,
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IN UINT8 AndData
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)
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{
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return PciSegmentWrite8 (Address, (UINT8) (PciSegmentRead8 (Address) & AndData));
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}
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/**
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
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value, followed a bitwise OR with another 8-bit value.
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Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value,
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followed a bitwise OR with another 8-bit value.
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Reads the 8-bit PCI configuration register specified by Address, performs a
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bitwise AND between the read result and the value specified by AndData,
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performs a bitwise OR between the result of the AND operation and
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the value specified by OrData, and writes the result to the 8-bit PCI
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configuration register specified by Address. The value written to the PCI
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configuration register is returned. This function must guarantee that all PCI
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read and write operations are serialized.
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Reads the 8-bit PCI configuration register specified by Address,
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performs a bitwise AND between the read result and the value specified by AndData,
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performs a bitwise OR between the result of the AND operation and the value specified by OrData,
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and writes the result to the 8-bit PCI configuration register specified by Address.
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The value written to the PCI configuration register is returned.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param AndData The value to AND with the PCI configuration register.
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@param OrData The value to OR with the result of the AND operation.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param AndData The value to AND with the PCI configuration register.
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@param OrData The value to OR with the PCI configuration register.
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@return The value written back to the PCI configuration register.
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@return The value written to the PCI configuration register.
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**/
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UINT8
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EFIAPI
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PciSegmentAndThenOr8 (
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IN UINT64 Address,
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IN UINT8 AndData,
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IN UINT8 OrData
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IN UINT64 Address,
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IN UINT8 AndData,
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IN UINT8 OrData
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)
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{
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return PciSegmentWrite8 (Address, (UINT8) ((PciSegmentRead8 (Address) & AndData) | OrData));
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@ -438,9 +425,9 @@ PciSegmentAndThenOr8 (
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UINT8
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EFIAPI
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PciSegmentBitFieldRead8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit
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)
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{
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return BitFieldRead8 (PciSegmentRead8 (Address), StartBit, EndBit);
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@ -472,10 +459,10 @@ PciSegmentBitFieldRead8 (
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UINT8
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EFIAPI
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PciSegmentBitFieldWrite8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 Value
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 Value
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)
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{
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return PciSegmentWrite8 (
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@ -513,10 +500,10 @@ PciSegmentBitFieldWrite8 (
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UINT8
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EFIAPI
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PciSegmentBitFieldOr8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 OrData
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 OrData
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)
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{
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return PciSegmentWrite8 (
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@ -554,10 +541,10 @@ PciSegmentBitFieldOr8 (
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UINT8
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EFIAPI
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PciSegmentBitFieldAnd8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData
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)
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{
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return PciSegmentWrite8 (
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@ -598,11 +585,11 @@ PciSegmentBitFieldAnd8 (
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UINT8
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EFIAPI
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PciSegmentBitFieldAndThenOr8 (
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData,
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IN UINT8 OrData
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IN UINT64 Address,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData,
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IN UINT8 OrData
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)
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{
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return PciSegmentWrite8 (
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@ -615,21 +602,20 @@ PciSegmentBitFieldAndThenOr8 (
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Reads a 16-bit PCI configuration register.
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Reads and returns the 16-bit PCI configuration register specified by Address.
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This function must guarantee that all PCI read and write operations are
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serialized.
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This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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If Address is not aligned on a 16-bit boundary, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@return The value read from the PCI configuration register.
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@return The 16-bit PCI configuration register specified by Address.
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**/
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UINT16
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EFIAPI
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PciSegmentRead16 (
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IN UINT64 Address
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IN UINT64 Address
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)
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{
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ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
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@ -640,29 +626,28 @@ PciSegmentRead16 (
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/**
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Writes a 16-bit PCI configuration register.
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Writes the 16-bit PCI configuration register specified by Address with the
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value specified by Value. Value is returned. This function must guarantee
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that all PCI read and write operations are serialized.
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Writes the 16-bit PCI configuration register specified by Address with the value specified by Value.
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Value is returned. This function must guarantee that all PCI read and write operations are serialized.
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If any reserved bits in Address are set, then ASSERT().
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If Address is not aligned on a 16-bit boundary, then ASSERT().
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@param Address Address that encodes the PCI Segment, Bus, Device, Function and
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Register.
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@param Data The value to write.
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@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param Value The value to write.
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@return The value written to the PCI configuration register.
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@return The parameter of Value.
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**/
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UINT16
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EFIAPI
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PciSegmentWrite16 (
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IN UINT64 Address,
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IN UINT16 Data
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IN UINT64 Address,
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IN UINT16 Value
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)
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{
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ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
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return (UINT16) DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint16, Data);
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return (UINT16) DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint16, Value);
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}
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/**
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@ -677,6 +662,7 @@ PciSegmentWrite16 (
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|
|
|
|
are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
@ -688,71 +674,68 @@ PciSegmentWrite16 (
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentOr16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (Address) | OrData));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
|
|
|
|
|
value.
|
|
|
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
|
|
|
writes the result to the 16-bit PCI configuration register specified by
|
|
|
|
|
Address. The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are
|
|
|
|
|
serialized.
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentAnd16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 AndData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 AndData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (Address) & AndData));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
|
|
|
|
|
value, followed a bitwise OR with another 16-bit value.
|
|
|
|
|
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value,
|
|
|
|
|
followed a bitwise OR with another 16-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
performs a bitwise OR between the result of the AND operation and
|
|
|
|
|
the value specified by OrData, and writes the result to the 16-bit PCI
|
|
|
|
|
configuration register specified by Address. The value written to the PCI
|
|
|
|
|
configuration register is returned. This function must guarantee that all PCI
|
|
|
|
|
read and write operations are serialized.
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
performs a bitwise OR between the result of the AND operation and the value specified by OrData,
|
|
|
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentAndThenOr16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 AndData,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT16 AndData,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (Address, (UINT16) ((PciSegmentRead16 (Address) & AndData) | OrData));
|
|
|
|
@ -766,6 +749,7 @@ PciSegmentAndThenOr16 (
|
|
|
|
|
returned.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@ -782,9 +766,9 @@ PciSegmentAndThenOr16 (
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldRead16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return BitFieldRead16 (PciSegmentRead16 (Address), StartBit, EndBit);
|
|
|
|
@ -799,6 +783,7 @@ PciSegmentBitFieldRead16 (
|
|
|
|
|
16-bit register is returned.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@ -816,10 +801,10 @@ PciSegmentBitFieldRead16 (
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldWrite16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 Value
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 Value
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (
|
|
|
|
@ -829,17 +814,12 @@ PciSegmentBitFieldWrite16 (
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
|
|
|
|
|
writes the result back to the bit field in the 16-bit port.
|
|
|
|
|
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise OR between the read result and the value specified by
|
|
|
|
|
OrData, and writes the result to the 16-bit PCI configuration register
|
|
|
|
|
specified by Address. The value written to the PCI configuration register is
|
|
|
|
|
returned. This function must guarantee that all PCI read and write operations
|
|
|
|
|
are serialized. Extra left bits in OrData are stripped.
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise OR between the read result and the value specified by OrData,
|
|
|
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@ -857,10 +837,10 @@ PciSegmentBitFieldWrite16 (
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldOr16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (
|
|
|
|
@ -870,38 +850,39 @@ PciSegmentBitFieldOr16 (
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
|
|
|
|
|
AND, and writes the result back to the bit field in the 16-bit register.
|
|
|
|
|
Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR,
|
|
|
|
|
and writes the result back to the bit field in the 16-bit port.
|
|
|
|
|
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
|
|
|
writes the result to the 16-bit PCI configuration register specified by
|
|
|
|
|
Address. The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are
|
|
|
|
|
serialized. Extra left bits in AndData are stripped.
|
|
|
|
|
Reads the 16-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise OR between the read result and the value specified by OrData,
|
|
|
|
|
and writes the result to the 16-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
Extra left bits in OrData are stripped.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If StartBit is greater than 15, then ASSERT().
|
|
|
|
|
If EndBit is greater than 15, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 7, then ASSERT().
|
|
|
|
|
If EndBit is greater than 7, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address PCI configuration register to write.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
|
|
|
Range 0..15.
|
|
|
|
|
The ordinal of the least significant bit in a byte is bit 0.
|
|
|
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
|
|
|
Range 0..15.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
The ordinal of the most significant bit in a byte is bit 7.
|
|
|
|
|
@param AndData The value to AND with the read value from the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldAnd16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 AndData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 AndData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (
|
|
|
|
@ -942,11 +923,11 @@ PciSegmentBitFieldAnd16 (
|
|
|
|
|
UINT16
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldAndThenOr16 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 AndData,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT16 AndData,
|
|
|
|
|
IN UINT16 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite16 (
|
|
|
|
@ -959,21 +940,20 @@ PciSegmentBitFieldAndThenOr16 (
|
|
|
|
|
Reads a 32-bit PCI configuration register.
|
|
|
|
|
|
|
|
|
|
Reads and returns the 32-bit PCI configuration register specified by Address.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are
|
|
|
|
|
serialized.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
|
|
|
|
|
@return The value read from the PCI configuration register.
|
|
|
|
|
@return The 32-bit PCI configuration register specified by Address.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentRead32 (
|
|
|
|
|
IN UINT64 Address
|
|
|
|
|
IN UINT64 Address
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
|
|
|
|
@ -984,119 +964,113 @@ PciSegmentRead32 (
|
|
|
|
|
/**
|
|
|
|
|
Writes a 32-bit PCI configuration register.
|
|
|
|
|
|
|
|
|
|
Writes the 32-bit PCI configuration register specified by Address with the
|
|
|
|
|
value specified by Value. Value is returned. This function must guarantee
|
|
|
|
|
that all PCI read and write operations are serialized.
|
|
|
|
|
Writes the 32-bit PCI configuration register specified by Address with the value specified by Value.
|
|
|
|
|
Value is returned. This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param Data The value to write.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param Value The value to write.
|
|
|
|
|
|
|
|
|
|
@return The parameter of Value.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentWrite32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 Value
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
|
|
|
|
|
|
|
|
|
|
return DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint32, Value);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise OR of a 32-bit PCI configuration register with a 32-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise OR between the read result and the value specified by OrData,
|
|
|
|
|
and writes the result to the 32-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentWrite32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 Data
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
|
|
|
|
|
|
|
|
|
|
return DxePciSegmentLibPciRootBridgeIoWriteWorker (Address, EfiPciWidthUint32, Data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise OR of a 32-bit PCI configuration register with
|
|
|
|
|
a 32-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise OR between the read result and the value specified by
|
|
|
|
|
OrData, and writes the result to the 32-bit PCI configuration register
|
|
|
|
|
specified by Address. The value written to the PCI configuration register is
|
|
|
|
|
returned. This function must guarantee that all PCI read and write operations
|
|
|
|
|
are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentOr32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (Address, PciSegmentRead32 (Address) | OrData);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
|
|
|
|
|
value.
|
|
|
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
|
|
|
writes the result to the 32-bit PCI configuration register specified by
|
|
|
|
|
Address. The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are
|
|
|
|
|
serialized.
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
and writes the result to the 32-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentAnd32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 AndData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 AndData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (Address, PciSegmentRead32 (Address) & AndData);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
|
|
|
|
|
value, followed a bitwise OR with another 32-bit value.
|
|
|
|
|
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value,
|
|
|
|
|
followed a bitwise OR with another 32-bit value.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
performs a bitwise OR between the result of the AND operation and
|
|
|
|
|
the value specified by OrData, and writes the result to the 32-bit PCI
|
|
|
|
|
configuration register specified by Address. The value written to the PCI
|
|
|
|
|
configuration register is returned. This function must guarantee that all PCI
|
|
|
|
|
read and write operations are serialized.
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address,
|
|
|
|
|
performs a bitwise AND between the read result and the value specified by AndData,
|
|
|
|
|
performs a bitwise OR between the result of the AND operation and the value specified by OrData,
|
|
|
|
|
and writes the result to the 32-bit PCI configuration register specified by Address.
|
|
|
|
|
The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are serialized.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function and
|
|
|
|
|
Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
|
@param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param AndData The value to AND with the PCI configuration register.
|
|
|
|
|
@param OrData The value to OR with the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
@return The value written back to the PCI configuration register.
|
|
|
|
|
@return The value written to the PCI configuration register.
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentAndThenOr32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 AndData,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINT32 AndData,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (Address, (PciSegmentRead32 (Address) & AndData) | OrData);
|
|
|
|
@ -1110,6 +1084,7 @@ PciSegmentAndThenOr32 (
|
|
|
|
|
returned.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@ -1126,9 +1101,9 @@ PciSegmentAndThenOr32 (
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldRead32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return BitFieldRead32 (PciSegmentRead32 (Address), StartBit, EndBit);
|
|
|
|
@ -1143,6 +1118,7 @@ PciSegmentBitFieldRead32 (
|
|
|
|
|
32-bit register is returned.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@ -1160,10 +1136,10 @@ PciSegmentBitFieldRead32 (
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldWrite32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 Value
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 Value
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (
|
|
|
|
@ -1201,10 +1177,10 @@ PciSegmentBitFieldWrite32 (
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldOr32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (
|
|
|
|
@ -1217,18 +1193,19 @@ PciSegmentBitFieldOr32 (
|
|
|
|
|
Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
|
|
|
|
|
AND, and writes the result back to the bit field in the 32-bit register.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a
|
|
|
|
|
bitwise AND between the read result and the value specified by AndData, and
|
|
|
|
|
writes the result to the 32-bit PCI configuration register specified by
|
|
|
|
|
Address. The value written to the PCI configuration register is returned.
|
|
|
|
|
This function must guarantee that all PCI read and write operations are
|
|
|
|
|
serialized. Extra left bits in AndData are stripped.
|
|
|
|
|
|
|
|
|
|
Reads the 32-bit PCI configuration register specified by Address, performs a bitwise
|
|
|
|
|
AND between the read result and the value specified by AndData, and writes the result
|
|
|
|
|
to the 32-bit PCI configuration register specified by Address. The value written to
|
|
|
|
|
the PCI configuration register is returned. This function must guarantee that all PCI
|
|
|
|
|
read and write operations are serialized. Extra left bits in AndData are stripped.
|
|
|
|
|
If any reserved bits in Address are set, then ASSERT().
|
|
|
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
|
If StartBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is greater than 31, then ASSERT().
|
|
|
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@param Address PCI configuration register to write.
|
|
|
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
|
|
|
Range 0..31.
|
|
|
|
@ -1242,10 +1219,10 @@ PciSegmentBitFieldOr32 (
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldAnd32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 AndData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 AndData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (
|
|
|
|
@ -1286,11 +1263,11 @@ PciSegmentBitFieldAnd32 (
|
|
|
|
|
UINT32
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentBitFieldAndThenOr32 (
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 AndData,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
IN UINT64 Address,
|
|
|
|
|
IN UINTN StartBit,
|
|
|
|
|
IN UINTN EndBit,
|
|
|
|
|
IN UINT32 AndData,
|
|
|
|
|
IN UINT32 OrData
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
return PciSegmentWrite32 (
|
|
|
|
@ -1302,28 +1279,32 @@ PciSegmentBitFieldAndThenOr32 (
|
|
|
|
|
/**
|
|
|
|
|
Reads a range of PCI configuration registers into a caller supplied buffer.
|
|
|
|
|
|
|
|
|
|
Reads the range of PCI configuration registers specified by StartAddress
|
|
|
|
|
and Size into the buffer specified by Buffer.
|
|
|
|
|
This function only allows the PCI configuration registers from a single PCI function to be read.
|
|
|
|
|
Size is returned.
|
|
|
|
|
Reads the range of PCI configuration registers specified by StartAddress and
|
|
|
|
|
Size into the buffer specified by Buffer. This function only allows the PCI
|
|
|
|
|
configuration registers from a single PCI function to be read. Size is
|
|
|
|
|
returned. When possible 32-bit PCI configuration read cycles are used to read
|
|
|
|
|
from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
|
|
|
|
|
and 16-bit PCI configuration read cycles may be used at the beginning and the
|
|
|
|
|
end of the range.
|
|
|
|
|
|
|
|
|
|
If any reserved bits in StartAddress are set, then ASSERT().
|
|
|
|
|
If StartAddress > 0x0FFFFFFF, then ASSERT().
|
|
|
|
|
If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
|
|
|
|
|
If Size > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
|
|
|
|
|
|
@param StartAddress Starting address that encodes the PCI Segment, Bus, Device, Function, and Register.
|
|
|
|
|
@param StartAddress Starting address that encodes the PCI Segment, Bus, Device,
|
|
|
|
|
Function and Register.
|
|
|
|
|
@param Size Size in bytes of the transfer.
|
|
|
|
|
@param Buffer Pointer to a buffer receiving the data read.
|
|
|
|
|
|
|
|
|
|
@return The parameter of Size.
|
|
|
|
|
@return Size
|
|
|
|
|
|
|
|
|
|
**/
|
|
|
|
|
UINTN
|
|
|
|
|
EFIAPI
|
|
|
|
|
PciSegmentReadBuffer (
|
|
|
|
|
IN UINT64 StartAddress,
|
|
|
|
|
IN UINTN Size,
|
|
|
|
|
OUT VOID *Buffer
|
|
|
|
|
IN UINT64 StartAddress,
|
|
|
|
|
IN UINTN Size,
|
|
|
|
|
OUT VOID *Buffer
|
|
|
|
|
)
|
|
|
|
|
{
|
|
|
|
|
UINTN ReturnValue;
|
|
|
|
@ -1393,18 +1374,23 @@ PciSegmentReadBuffer (
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
Copies the data in a caller supplied buffer to a specified range of PCI configuration space.
|
|
|
|
|
Copies the data in a caller supplied buffer to a specified range of PCI
|
|
|
|
|
configuration space.
|
|
|
|
|
|
|
|
|
|
Writes the range of PCI configuration registers specified by StartAddress
|
|
|
|
|
and Size from the buffer specified by Buffer.
|
|
|
|
|
This function only allows the PCI configuration registers from a single PCI function to be written.
|
|
|
|
|
Size is returned.
|
|
|
|
|
Writes the range of PCI configuration registers specified by StartAddress and
|
|
|
|
|
Size from the buffer specified by Buffer. This function only allows the PCI
|
|
|
|
|
configuration registers from a single PCI function to be written. Size is
|
|
|
|
|
returned. When possible 32-bit PCI configuration write cycles are used to
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write from StartAdress to StartAddress + Size. Due to alignment restrictions,
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8-bit and 16-bit PCI configuration write cycles may be used at the beginning
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and the end of the range.
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If any reserved bits in StartAddress are set, then ASSERT().
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If StartAddress > 0x0FFFFFFF, then ASSERT().
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If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
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If Size > 0 and Buffer is NULL, then ASSERT().
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@param StartAddress Starting address that encodes the PCI Segment, Bus, Device, Function, and Register.
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@param StartAddress Starting address that encodes the PCI Segment, Bus, Device,
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Function and Register.
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@param Size Size in bytes of the transfer.
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@param Buffer Pointer to a buffer containing the data to write.
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@ -1414,9 +1400,9 @@ PciSegmentReadBuffer (
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UINTN
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EFIAPI
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PciSegmentWriteBuffer (
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IN UINT64 StartAddress,
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IN UINTN Size,
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IN VOID *Buffer
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IN UINT64 StartAddress,
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IN UINTN Size,
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IN VOID *Buffer
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)
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{
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UINTN ReturnValue;
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