89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
/*************************************************************************\
|
|
* Copyright (c) 2010 Brookhaven Science Associates, as Operator of
|
|
* Brookhaven National Laboratory.
|
|
* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
|
|
* National Laboratory.
|
|
* Copyright (c) 2002 The Regents of the University of California, as
|
|
* Operator of Los Alamos National Laboratory.
|
|
* EPICS BASE is distributed subject to a Software License Agreement found
|
|
* in file LICENSE that is included with this distribution.
|
|
\*************************************************************************/
|
|
|
|
/**
|
|
* \file devLibVMEImpl.h
|
|
* \author Marty Kraimer, Jeff Hill
|
|
* \brief An interface from devLibVME.c to its OS-specific implementations.
|
|
*/
|
|
|
|
#ifndef INCdevLibImplh
|
|
#define INCdevLibImplh 1
|
|
|
|
#include "dbDefs.h"
|
|
#include "shareLib.h"
|
|
#include "devLib.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* \brief A table of function pointers for devLibVME implementations
|
|
*
|
|
* The global virtual OS table \ref pdevLibVME controls
|
|
* the behaviour of the functions defined in devLib.h.
|
|
* All of which call into the functions found in this table
|
|
* to perform system specific tasks.
|
|
*/
|
|
typedef struct devLibVME {
|
|
/** \brief Map a bus address to the CPU's address space. */
|
|
long (*pDevMapAddr) (epicsAddressType addrType, unsigned options,
|
|
size_t logicalAddress, size_t size, volatile void **ppPhysicalAddress);
|
|
|
|
/** \brief Read a word, detect and protect against bus errors. */
|
|
long (*pDevReadProbe) (unsigned wordSize, volatile const void *ptr,
|
|
void *pValueRead);
|
|
/** \brief Write a word, detect and protect against bus errors. */
|
|
long (*pDevWriteProbe) (unsigned wordSize, volatile void *ptr,
|
|
const void *pValueWritten);
|
|
|
|
/** \brief Connect ISR to a VME interrupt vector. */
|
|
long (*pDevConnectInterruptVME) (unsigned vectorNumber,
|
|
void (*pFunction)(void *), void *parameter);
|
|
/** \brief Disconnect ISR from a VME interrupt vector. */
|
|
long (*pDevDisconnectInterruptVME) (unsigned vectorNumber,
|
|
void (*pFunction)(void *));
|
|
|
|
/** \brief Enable VME interrupt level to CPU. */
|
|
long (*pDevEnableInterruptLevelVME) (unsigned level);
|
|
/** \brief Disable VME interrupt level to CPU. */
|
|
long (*pDevDisableInterruptLevelVME) (unsigned level);
|
|
|
|
/** \brief Malloc a block accessible from the VME A24 address space. */
|
|
void *(*pDevA24Malloc)(size_t nbytes);
|
|
/** \brief Free a block allocated for the VME A24 address space. */
|
|
void (*pDevA24Free)(void *pBlock);
|
|
|
|
/** \brief Init devLib */
|
|
long (*pDevInit)(void);
|
|
|
|
/** \brief Check if interrupt vector has an ISR connected. */
|
|
int (*pDevInterruptInUseVME)(unsigned vectorNumber);
|
|
}devLibVME;
|
|
|
|
/** \brief Pointer to the entry table used by devLibVME routines. */
|
|
epicsShareExtern devLibVME *pdevLibVME;
|
|
|
|
#ifndef NO_DEVLIB_COMPAT
|
|
/** \brief An alias for pdevLibVME */
|
|
# define pdevLibVirtualOS pdevLibVME
|
|
/** \brief A type definition for devLibVME */
|
|
typedef devLibVME devLibVirtualOS;
|
|
#endif
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* INCdevLibImplh */
|