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This commit is contained in:
Jeff Hill
2001-06-25 21:47:44 +00:00
parent 8dbecc7b16
commit 384af09c72
1 changed files with 201 additions and 201 deletions
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402
src/vxWorks/db/devLibVxWorks.c
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@@ -5,7 +5,7 @@
* Archictecture dependent support for common device driver resources
*
* Author: Jeff Hill
* Date: 10-30-98
* Date: 10-30-98
*
* Experimental Physics and Industrial Control System (EPICS)
*
@@ -50,15 +50,15 @@ static char *sccsID = "@(#) $Id$";
* A list of the names of the unexpected interrupt handlers
* ( some of these are provided by wrs )
*/
LOCAL char *defaultHandlerNames[] = {
"_excStub",
"_excIntStub",
"_unsolicitedHandlerEPICS"};
LOCAL char *defaultHandlerNames[] = {
"_excStub",
"_excIntStub",
"_unsolicitedHandlerEPICS"};
typedef void myISR (void *pParam);
LOCAL myISR *defaultHandlerAddr[NELEMENTS(defaultHandlerNames)];
typedef void myISR (void *pParam);
LOCAL myISR *defaultHandlerAddr[NELEMENTS(defaultHandlerNames)];
LOCAL myISR *isrFetch(unsigned vectorNumber);
LOCAL myISR *isrFetch(unsigned vectorNumber);
/*
* this routine needs to be in the symbol table
@@ -86,7 +86,7 @@ int EPICStovxWorksAddrType[]
VME_AM_STD_SUP_DATA,
VME_AM_EXT_SUP_DATA,
EPICSAddrTypeNoConvert
};
};
LOCAL void initHandlerAddrList(void);
@@ -95,7 +95,7 @@ LOCAL void initHandlerAddrList(void);
* two device drivers that are using the same address range
*/
LOCAL long vxDevMapAddr (epicsAddressType addrType, unsigned options,
size_t logicalAddress, size_t size, volatile void **ppPhysicalAddress);
size_t logicalAddress, size_t size, volatile void **ppPhysicalAddress);
/*
* a bus error safe "wordSize" read at the specified address which returns
@@ -113,9 +113,9 @@ long vxDevWriteProbe (unsigned wordSize, volatile void *ptr, const void *pValue)
* used by dynamic bind in devLib.c
*/
const struct devLibVirtualOS devLibVirtualOS =
{vxDevMapAddr, vxDevReadProbe, vxDevWriteProbe,
devConnectInterruptVME, devDisconnectInterruptVME,
devEnableInterruptLevelVME, devDisableInterruptLevelVME};
{vxDevMapAddr, vxDevReadProbe, vxDevWriteProbe,
devConnectInterruptVME, devDisconnectInterruptVME,
devEnableInterruptLevelVME, devDisableInterruptLevelVME};
#define SUCCESS 0
@@ -125,68 +125,68 @@ const struct devLibVirtualOS devLibVirtualOS =
* wrapper to minimize driver dependency on vxWorks
*/
long devConnectInterruptVME (
unsigned vectorNumber,
void (*pFunction)(),
void *parameter)
unsigned vectorNumber,
void (*pFunction)(),
void *parameter)
{
int status;
int status;
if (devInterruptInUseVME(vectorNumber)) {
return S_dev_vectorInUse;
}
status = intConnect(
(void *)INUM_TO_IVEC(vectorNumber),
pFunction,
(int) parameter);
if (status<0) {
return S_dev_vecInstlFail;
}
if (devInterruptInUseVME(vectorNumber)) {
return S_dev_vectorInUse;
}
status = intConnect(
(void *)INUM_TO_IVEC(vectorNumber),
pFunction,
(int) parameter);
if (status<0) {
return S_dev_vecInstlFail;
}
return SUCCESS;
return SUCCESS;
}
/*
*
* devDisconnectInterruptVME()
* devDisconnectInterruptVME()
*
* wrapper to minimize driver dependency on vxWorks
* wrapper to minimize driver dependency on vxWorks
*
* The parameter pFunction should be set to the C function pointer that
* was connected. It is used as a key to prevent a driver from removing
* an interrupt handler that was installed by another driver
* The parameter pFunction should be set to the C function pointer that
* was connected. It is used as a key to prevent a driver from removing
* an interrupt handler that was installed by another driver
*
*/
long devDisconnectInterruptVME (
unsigned vectorNumber,
void (*pFunction)()
unsigned vectorNumber,
void (*pFunction)()
)
{
void (*psub)();
int status;
void (*psub)();
int status;
# if CPU_FAMILY == PPC
return S_dev_vecInstlFail;
# endif
/*
* If pFunction not connected to this vector
* then they are probably disconnecting from the wrong vector
*/
psub = isrFetch(vectorNumber);
if(psub != pFunction){
return S_dev_vectorNotInUse;
}
/*
* If pFunction not connected to this vector
* then they are probably disconnecting from the wrong vector
*/
psub = isrFetch(vectorNumber);
if(psub != pFunction){
return S_dev_vectorNotInUse;
}
status = intConnect(
(void *)INUM_TO_IVEC(vectorNumber),
unsolicitedHandlerEPICS,
(int) vectorNumber);
if(status<0){
return S_dev_vecInstlFail;
}
status = intConnect(
(void *)INUM_TO_IVEC(vectorNumber),
unsolicitedHandlerEPICS,
(int) vectorNumber);
if(status<0){
return S_dev_vecInstlFail;
}
return SUCCESS;
return SUCCESS;
}
/*
@@ -194,16 +194,16 @@ long devDisconnectInterruptVME (
*/
long devEnableInterruptLevelVME (unsigned level)
{
# if CPU_FAMILY != I80X86
int s;
s = sysIntEnable (level);
if (s!=OK) {
return S_dev_intEnFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
# if CPU_FAMILY != I80X86
int s;
s = sysIntEnable (level);
if (s!=OK) {
return S_dev_intEnFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
}
/*
@@ -211,16 +211,16 @@ long devEnableInterruptLevelVME (unsigned level)
*/
long devEnableInterruptLevelISA (unsigned level)
{
# if CPU_FAMILY == I80X86
int s;
s = sysIntEnablePIC (level);
if (s!=OK) {
return S_dev_intEnFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
# if CPU_FAMILY == I80X86
int s;
s = sysIntEnablePIC (level);
if (s!=OK) {
return S_dev_intEnFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
}
/*
@@ -228,17 +228,17 @@ long devEnableInterruptLevelISA (unsigned level)
*/
long devDisableInterruptLevelISA (unsigned level)
{
# if CPU_FAMILY == I80X86
int s;
s = sysIntDisablePIC (level);
if (s!=OK) {
return S_dev_intEnFail;
}
# else
return S_dev_intEnFail;
# endif
# if CPU_FAMILY == I80X86
int s;
s = sysIntDisablePIC (level);
if (s!=OK) {
return S_dev_intEnFail;
}
# else
return S_dev_intEnFail;
# endif
return SUCCESS;
return SUCCESS;
}
/*
@@ -246,44 +246,44 @@ long devDisableInterruptLevelISA (unsigned level)
*/
long devDisableInterruptLevelVME (unsigned level)
{
# if CPU_FAMILY != I80X86
int s;
s = sysIntDisable (level);
if (s!=OK) {
return S_dev_intDissFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
# if CPU_FAMILY != I80X86
int s;
s = sysIntDisable (level);
if (s!=OK) {
return S_dev_intDissFail;
}
return SUCCESS;
# else
return S_dev_intEnFail;
# endif
}
/*
* vxDevMapAddr ()
*/
LOCAL long vxDevMapAddr (epicsAddressType addrType, unsigned options,
size_t logicalAddress, size_t size, volatile void **ppPhysicalAddress)
size_t logicalAddress, size_t size, volatile void **ppPhysicalAddress)
{
long status;
long status;
if (ppPhysicalAddress==NULL) {
return S_dev_badArgument;
}
if (ppPhysicalAddress==NULL) {
return S_dev_badArgument;
}
if (EPICStovxWorksAddrType[addrType] == EPICSAddrTypeNoConvert)
{
*ppPhysicalAddress = (void *) logicalAddress;
}
else
{
status = sysBusToLocalAdrs (EPICStovxWorksAddrType[addrType],
(char *) logicalAddress, (char **)ppPhysicalAddress);
if (status) {
return S_dev_addrMapFail;
}
}
if (EPICStovxWorksAddrType[addrType] == EPICSAddrTypeNoConvert)
{
*ppPhysicalAddress = (void *) logicalAddress;
}
else
{
status = sysBusToLocalAdrs (EPICStovxWorksAddrType[addrType],
(char *) logicalAddress, (char **)ppPhysicalAddress);
if (status) {
return S_dev_addrMapFail;
}
}
return SUCCESS;
return SUCCESS;
}
/*
@@ -292,17 +292,17 @@ LOCAL long vxDevMapAddr (epicsAddressType addrType, unsigned options,
*/
long vxDevReadProbe (unsigned wordSize, volatile const void *ptr, void *pValue)
{
long status;
long status;
/*
* this global variable exists in the nivxi library
*/
status = vxMemProbe ((char *)ptr, VX_READ, wordSize, (char *) pValue);
if (status!=OK) {
return S_dev_noDevice;
}
/*
* this global variable exists in the nivxi library
*/
status = vxMemProbe ((char *)ptr, VX_READ, wordSize, (char *) pValue);
if (status!=OK) {
return S_dev_noDevice;
}
return SUCCESS;
return SUCCESS;
}
/*
@@ -311,17 +311,17 @@ long vxDevReadProbe (unsigned wordSize, volatile const void *ptr, void *pValue)
*/
long vxDevWriteProbe (unsigned wordSize, volatile void *ptr, const void *pValue)
{
long status;
long status;
/*
* this global variable exists in the nivxi library
*/
status = vxMemProbe ((char *)ptr, VX_READ, wordSize, (char *) pValue);
if (status!=OK) {
return S_dev_noDevice;
}
/*
* this global variable exists in the nivxi library
*/
status = vxMemProbe ((char *)ptr, VX_READ, wordSize, (char *) pValue);
if (status!=OK) {
return S_dev_noDevice;
}
return SUCCESS;
return SUCCESS;
}
/*
@@ -329,31 +329,31 @@ long vxDevWriteProbe (unsigned wordSize, volatile void *ptr, const void *pValue)
*/
LOCAL myISR *isrFetch(unsigned vectorNumber)
{
myISR *psub;
myISR *pCISR;
void *pParam;
int s;
myISR *psub;
myISR *pCISR;
void *pParam;
int s;
/*
* fetch the handler or C stub attached at this vector
*/
psub = (myISR *) intVecGet((FUNCPTR *)INUM_TO_IVEC(vectorNumber));
/*
* fetch the handler or C stub attached at this vector
*/
psub = (myISR *) intVecGet((FUNCPTR *)INUM_TO_IVEC(vectorNumber));
if ( psub ) {
/*
* from libvxWorks/veclist.c
*
* checks to see if it is a C ISR
* and if so finds the function pointer and
* the parameter passed
*/
s = cISRTest(psub, &pCISR, &pParam);
if(!s){
psub = pCISR;
}
/*
* from libvxWorks/veclist.c
*
* checks to see if it is a C ISR
* and if so finds the function pointer and
* the parameter passed
*/
s = cISRTest(psub, &pCISR, &pParam);
if(!s){
psub = pCISR;
}
}
return psub;
return psub;
}
/*
@@ -361,84 +361,84 @@ LOCAL myISR *isrFetch(unsigned vectorNumber)
*/
int devInterruptInUseVME (unsigned vectorNumber)
{
static int init;
int i;
myISR *psub;
static int init;
int i;
myISR *psub;
# if CPU_FAMILY == PPC
return FALSE;
# else
if (!init) {
initHandlerAddrList();
init = TRUE;
}
if (!init) {
initHandlerAddrList();
init = TRUE;
}
psub = isrFetch (vectorNumber);
psub = isrFetch (vectorNumber);
/*
* its a C routine. Does it match a default handler?
*/
for (i=0; i<NELEMENTS(defaultHandlerAddr); i++) {
if (defaultHandlerAddr[i] == psub) {
return FALSE;
}
}
/*
* its a C routine. Does it match a default handler?
*/
for (i=0; i<NELEMENTS(defaultHandlerAddr); i++) {
if (defaultHandlerAddr[i] == psub) {
return FALSE;
}
}
return TRUE;
return TRUE;
# endif
}
/*
* unsolicitedHandlerEPICS()
* what gets called if they disconnect from an
* interrupt and an interrupt arrives on the
* disconnected vector
* unsolicitedHandlerEPICS()
* what gets called if they disconnect from an
* interrupt and an interrupt arrives on the
* disconnected vector
*
*/
void unsolicitedHandlerEPICS(int vectorNumber)
{
/*
* call logMsg() and not errMessage()
* so we are certain that printf()
* does not get called at interrupt level
*/
logMsg(
"%s: line=%d: Interrupt to EPICS disconnected vector = 0X %X",
(int)__FILE__,
__LINE__,
vectorNumber,
NULL,
NULL,
NULL);
/*
* call logMsg() and not errMessage()
* so we are certain that printf()
* does not get called at interrupt level
*/
logMsg(
"%s: line=%d: Interrupt to EPICS disconnected vector = 0X %X",
(int)__FILE__,
__LINE__,
vectorNumber,
NULL,
NULL,
NULL);
}
/*
*
* initHandlerAddrList()
* initHandlerAddrList()
* init list of interrupt handlers to ignore
*
*/
LOCAL
void initHandlerAddrList(void)
{
int i;
SYM_TYPE type;
int status;
int i;
SYM_TYPE type;
int status;
for (i=0; i<NELEMENTS(defaultHandlerNames); i++) {
status = symFindByNameEPICS (sysSymTbl,
defaultHandlerNames[i],
(char **)&defaultHandlerAddr[i],
&type);
if (status != OK) {
errPrintf(
S_dev_internal,
__FILE__,
__LINE__,
"initHandlerAddrList() %s not in sym table",
defaultHandlerNames[i]);
}
}
for (i=0; i<NELEMENTS(defaultHandlerNames); i++) {
status = symFindByNameEPICS (sysSymTbl,
defaultHandlerNames[i],
(char **)&defaultHandlerAddr[i],
&type);
if (status != OK) {
errPrintf(
S_dev_internal,
__FILE__,
__LINE__,
"initHandlerAddrList() %s not in sym table",
defaultHandlerNames[i]);
}
}
}