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https://github.com/slsdetectorgroup/slsDetectorPackage.git
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77 lines
2.2 KiB
C
Executable File
77 lines
2.2 KiB
C
Executable File
#include "HardwareIO.h"
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xfs_u8 HWIO_xfs_in8(xfs_u32 InAddress)
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{
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/* read the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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xfs_u8 IoContents;
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__asm__ volatile ("eieio; lbz %0,0(%1)":"=r" (IoContents):"b"
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(InAddress));
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return IoContents;
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}
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/*****************************************************************************/
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xfs_u16 HWIO_xfs_in16(xfs_u32 InAddress)
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{
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/* read the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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xfs_u16 IoContents;
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__asm__ volatile ("eieio; lhz %0,0(%1)":"=r" (IoContents):"b"
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(InAddress));
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return IoContents;
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}
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/*****************************************************************************/
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xfs_u32 HWIO_xfs_in32(xfs_u32 InAddress)
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{
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/* read the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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xfs_u32 IoContents;
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__asm__ volatile ("eieio; lwz %0,0(%1)":"=r" (IoContents):"b"
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(InAddress));
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return IoContents;
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}
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/*****************************************************************************/
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void HWIO_xfs_out8(xfs_u32 OutAddress, xfs_u8 Value)
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{
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/* write the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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__asm__ volatile ("stb %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
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}
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/*****************************************************************************/
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void HWIO_xfs_out16(xfs_u32 OutAddress, xfs_u16 Value)
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{
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/* write the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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__asm__ volatile ("sth %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
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}
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/*****************************************************************************/
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void HWIO_xfs_out32(xfs_u32 OutAddress, xfs_u32 Value)
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{
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/* write the contents of the I/O location and then synchronize the I/O
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* such that the I/O operation completes before proceeding on
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*/
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__asm__ volatile ("stw %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
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}
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