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Update BASE PCI Library that uses CF8/CFC access mechanism for PCI configuration cycles to be safe for use from interrupt context and from modules of type DXE_SMM_DRIVER. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10606 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2010-06-25 22:27:59 +00:00
parent 76d428b107
commit 96dd57ee8d
1 changed files with 414 additions and 144 deletions
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558
MdePkg/Library/BasePciCf8Lib/PciCf8Lib.c
View File

@ -114,9 +114,18 @@ PciCf8Read8 (
IN UINTN Address
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoRead8 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3));
Result = IoRead8 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3));
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -143,12 +152,21 @@ PciCf8Write8 (
IN UINT8 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoWrite8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
Value
);
Result = IoWrite8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -179,12 +197,21 @@ PciCf8Or8 (
IN UINT8 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
OrData
);
Result = IoOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -215,12 +242,21 @@ PciCf8And8 (
IN UINT8 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAnd8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
AndData
);
Result = IoAnd8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -254,13 +290,22 @@ PciCf8AndThenOr8 (
IN UINT8 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAndThenOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
AndData,
OrData
);
Result = IoAndThenOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -293,13 +338,22 @@ PciCf8BitFieldRead8 (
IN UINTN EndBit
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldRead8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit
);
Result = IoBitFieldRead8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -335,14 +389,23 @@ PciCf8BitFieldWrite8 (
IN UINT8 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldWrite8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
Value
);
Result = IoBitFieldWrite8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -381,14 +444,23 @@ PciCf8BitFieldOr8 (
IN UINT8 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
OrData
);
Result = IoBitFieldOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -427,14 +499,23 @@ PciCf8BitFieldAnd8 (
IN UINT8 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAnd8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
AndData
);
Result = IoBitFieldAnd8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -477,15 +558,24 @@ PciCf8BitFieldAndThenOr8(
IN UINT8 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT8 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 0);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAndThenOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
AndData,
OrData
);
Result = IoBitFieldAndThenOr8 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),
StartBit,
EndBit,
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -511,9 +601,18 @@ PciCf8Read16 (
IN UINTN Address
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoRead16 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2));
Result = IoRead16 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2));
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -541,12 +640,21 @@ PciCf8Write16 (
IN UINT16 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoWrite16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
Value
);
Result = IoWrite16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -578,12 +686,21 @@ PciCf8Or16 (
IN UINT16 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
OrData
);
Result = IoOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -615,12 +732,21 @@ PciCf8And16 (
IN UINT16 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAnd16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
AndData
);
Result = IoAnd16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -655,13 +781,22 @@ PciCf8AndThenOr16 (
IN UINT16 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAndThenOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
AndData,
OrData
);
Result = IoAndThenOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -695,13 +830,22 @@ PciCf8BitFieldRead16 (
IN UINTN EndBit
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldRead16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit
);
Result = IoBitFieldRead16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -738,14 +882,23 @@ PciCf8BitFieldWrite16 (
IN UINT16 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldWrite16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
Value
);
Result = IoBitFieldWrite16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -785,14 +938,23 @@ PciCf8BitFieldOr16 (
IN UINT16 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
OrData
);
Result = IoBitFieldOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -832,14 +994,23 @@ PciCf8BitFieldAnd16 (
IN UINT16 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAnd16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
AndData
);
Result = IoBitFieldAnd16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -883,15 +1054,24 @@ PciCf8BitFieldAndThenOr16(
IN UINT16 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT16 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 1);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAndThenOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
AndData,
OrData
);
Result = IoBitFieldAndThenOr16 (
PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),
StartBit,
EndBit,
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -917,9 +1097,18 @@ PciCf8Read32 (
IN UINTN Address
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoRead32 (PCI_CONFIGURATION_DATA_PORT);
Result = IoRead32 (PCI_CONFIGURATION_DATA_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -947,12 +1136,21 @@ PciCf8Write32 (
IN UINT32 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoWrite32 (
PCI_CONFIGURATION_DATA_PORT,
Value
);
Result = IoWrite32 (
PCI_CONFIGURATION_DATA_PORT,
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -984,12 +1182,21 @@ PciCf8Or32 (
IN UINT32 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoOr32 (
PCI_CONFIGURATION_DATA_PORT,
OrData
);
Result = IoOr32 (
PCI_CONFIGURATION_DATA_PORT,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1021,12 +1228,21 @@ PciCf8And32 (
IN UINT32 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAnd32 (
PCI_CONFIGURATION_DATA_PORT,
AndData
);
Result = IoAnd32 (
PCI_CONFIGURATION_DATA_PORT,
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1061,13 +1277,22 @@ PciCf8AndThenOr32 (
IN UINT32 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoAndThenOr32 (
PCI_CONFIGURATION_DATA_PORT,
AndData,
OrData
);
Result = IoAndThenOr32 (
PCI_CONFIGURATION_DATA_PORT,
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1101,13 +1326,22 @@ PciCf8BitFieldRead32 (
IN UINTN EndBit
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldRead32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit
);
Result = IoBitFieldRead32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1144,14 +1378,23 @@ PciCf8BitFieldWrite32 (
IN UINT32 Value
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldWrite32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
Value
);
Result = IoBitFieldWrite32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
Value
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1191,14 +1434,23 @@ PciCf8BitFieldOr32 (
IN UINT32 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldOr32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
OrData
);
Result = IoBitFieldOr32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1238,14 +1490,23 @@ PciCf8BitFieldAnd32 (
IN UINT32 AndData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAnd32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
AndData
);
Result = IoBitFieldAnd32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
AndData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**
@ -1289,15 +1550,24 @@ PciCf8BitFieldAndThenOr32(
IN UINT32 OrData
)
{
BOOLEAN InterruptState;
UINT32 AddressPort;
UINT32 Result;
ASSERT_INVALID_PCI_ADDRESS (Address, 3);
InterruptState = SaveAndDisableInterrupts ();
AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));
return IoBitFieldAndThenOr32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
AndData,
OrData
);
Result = IoBitFieldAndThenOr32 (
PCI_CONFIGURATION_DATA_PORT,
StartBit,
EndBit,
AndData,
OrData
);
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);
SetInterruptState (InterruptState);
return Result;
}
/**