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OvmfPkg/QemuFwCfg: introduce FW_CFG_IO_DATA, adapt the package

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Introduce the FW_CFG_IO_DATA macro for IO Port 0x511 (the Data Register),
and update all references in OvmfPkg.

Cc: Jordan Justen <jordan.l.justen@intel.com>
Suggested-by: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Laszlo Ersek
2017-02-21 14:43:00 +01:00
parent 21ca2f28e6
commit 509e6b5a03
3 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
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@@ -135,7 +135,7 @@ InternalQemuFwCfgReadBytes (
InternalQemuFwCfgDmaBytes ((UINT32)Size, Buffer, FW_CFG_DMA_CTL_READ);
return;
}
IoReadFifo8 (0x511, Size, Buffer);
IoReadFifo8 (FW_CFG_IO_DATA, Size, Buffer);
}
@@ -187,7 +187,7 @@ QemuFwCfgWriteBytes (
InternalQemuFwCfgDmaBytes ((UINT32)Size, Buffer, FW_CFG_DMA_CTL_WRITE);
return;
}
IoWriteFifo8 (0x511, Size, Buffer);
IoWriteFifo8 (FW_CFG_IO_DATA, Size, Buffer);
}
}
@@ -230,7 +230,7 @@ QemuFwCfgSkipBytes (
//
while (Size > 0) {
ChunkSize = MIN (Size, sizeof SkipBuffer);
IoReadFifo8 (0x511, ChunkSize, SkipBuffer);
IoReadFifo8 (FW_CFG_IO_DATA, ChunkSize, SkipBuffer);
Size -= ChunkSize;
}
}