mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-22 03:40:04 +02:00
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
|
|
//Class initially from Gerd and was called mmap_test.c
|
|
//return reversed 1 means good, 0 means failed
|
|
|
|
|
|
//#include <stdio.h>
|
|
//#include <unistd.h>
|
|
//#include <string.h>
|
|
//#include <sys/mman.h>
|
|
//#include <fcntl.h>
|
|
|
|
#include "HardwareIO.h"
|
|
|
|
xfs_u8 HWIO_xfs_in8(xfs_u32 InAddress)
|
|
{
|
|
/* read the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
xfs_u8 IoContents;
|
|
__asm__ volatile ("eieio; lbz %0,0(%1)":"=r" (IoContents):"b"
|
|
(InAddress));
|
|
return IoContents;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
xfs_u16 HWIO_xfs_in16(xfs_u32 InAddress)
|
|
{
|
|
/* read the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
xfs_u16 IoContents;
|
|
__asm__ volatile ("eieio; lhz %0,0(%1)":"=r" (IoContents):"b"
|
|
(InAddress));
|
|
return IoContents;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
xfs_u32 HWIO_xfs_in32(xfs_u32 InAddress)
|
|
{
|
|
/* read the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
xfs_u32 IoContents;
|
|
__asm__ volatile ("eieio; lwz %0,0(%1)":"=r" (IoContents):"b"
|
|
(InAddress));
|
|
return IoContents;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
void HWIO_xfs_out8(xfs_u32 OutAddress, xfs_u8 Value)
|
|
{
|
|
/* write the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
__asm__ volatile ("stb %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void HWIO_xfs_out16(xfs_u32 OutAddress, xfs_u16 Value)
|
|
{
|
|
/* write the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
__asm__ volatile ("sth %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
|
|
void HWIO_xfs_out32(xfs_u32 OutAddress, xfs_u32 Value)
|
|
{
|
|
/* write the contents of the I/O location and then synchronize the I/O
|
|
* such that the I/O operation completes before proceeding on
|
|
*/
|
|
|
|
__asm__ volatile ("stw %0,0(%1); eieio"::"r" (Value), "b"(OutAddress));
|
|
}
|
|
|
|
|
|
|