mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-22 22:40:02 +02:00
fd9d627412
git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@661 951219d9-93cf-4727-9268-0efd64621fa3
88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
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//Class initially from Gerd and was called mmap_test.c
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//return reversed 1 means good, 0 means failed
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//#include <stdio.h>
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//#include <unistd.h>
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//#include <string.h>
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//#include <sys/mman.h>
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//#include <fcntl.h>
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#include "HardwareIO.h"
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xfs_u8 HardwareIO::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 HardwareIO::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 HardwareIO::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 HardwareIO::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 HardwareIO::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 HardwareIO::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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