/**
*
* Set the interrupt service option, which can configure the driver so that it
* services only a single interrupt at a time when an interrupt occurs, or
* services all pending interrupts when an interrupt occurs. The default
* behavior when using the driver interface given in xintc.h file is to service
* only a single interrupt, whereas the default behavior when using the driver
* interface given in this file is to service all outstanding interrupts when an
* interrupt occurs.
*
* @param BaseAddress is the unique identifier for a device.
* @param Option is XIN_SVC_SGL_ISR_OPTION if you want only a single
* interrupt serviced when an interrupt occurs, or
* XIN_SVC_ALL_ISRS_OPTION if you want all pending interrupts
* serviced when an interrupt occurs.
*
* @return None.
*
* @note
*
* Note that this function has no effect if the input base address is invalid.
*
******************************************************************************/
void XIntc_SetIntrSvcOption(u32 BaseAddress, int Option)
{
XIntc_Config *CfgPtr;
CfgPtr = LookupConfigByBaseAddress(BaseAddress);
if (CfgPtr != NULL) {
CfgPtr->Options = Option;
}
}
/**
*
* Register a handler function for a specific interrupt ID. The vector table
* of the interrupt controller is updated, overwriting any previous handler.
* The handler function will be called when an interrupt occurs for the given
* interrupt ID.
*
* @param BaseAddress is the CPU Interface Register base address of the
* interrupt controller whose vector table will be modified.
* @param InterruptId is the interrupt ID to be associated with the input
* handler.
* @param Handler is the function pointer that will be added to
* the vector table for the given interrupt ID.
* @param CallBackRef is the argument that will be passed to the new
* handler function when it is called. This is user-specific.
*
* @return None.
*
* @note
*
* Note that this function has no effect if the input base address is invalid.
*
******************************************************************************/
void XScuGic_RegisterHandler(u32 BaseAddress, int InterruptId,
Xil_InterruptHandler Handler, void *CallBackRef)
{
XScuGic_Config *CfgPtr;
CfgPtr = LookupConfigByBaseAddress(BaseAddress);
if (CfgPtr != NULL) {
CfgPtr->HandlerTable[InterruptId].Handler = Handler;
CfgPtr->HandlerTable[InterruptId].CallBackRef = CallBackRef;
}
}
/**
*
* Register a handler function for a specific interrupt ID. The vector table
* of the interrupt controller is updated, overwriting any previous handler.
* The handler function will be called when an interrupt occurs for the given
* interrupt ID.
*
* @param BaseAddress is the CPU Interface Register base address of the
* interrupt controller whose vector table will be modified.
* @param InterruptId is the interrupt ID to be associated with the input
* handler.
* @param Handler is the function pointer that will be added to
* the vector table for the given interrupt ID.
* @param CallBackRef is the argument that will be passed to the new
* handler function when it is called. This is user-specific.
*
* @return None.
*
* @note
*
* Note that this function has no effect if the input base address is invalid.
*
******************************************************************************/
void XScuGic_RegisterHandler(u32 BaseAddress, s32 InterruptID,
Xil_InterruptHandler IntrHandler, void *CallBackRef)
{
XScuGic_Config *CfgPtr;
CfgPtr = LookupConfigByBaseAddress(BaseAddress);
if(CfgPtr != NULL) {
if( IntrHandler != NULL) {
CfgPtr->HandlerTable[InterruptID].Handler = IntrHandler;
}
if( CallBackRef != NULL) {
CfgPtr->HandlerTable[InterruptID].CallBackRef = CallBackRef;
}
}
}
/**
*
* Set the interrupt service option, which can configure the driver so that it
* services only a single interrupt at a time when an interrupt occurs, or
* services all pending interrupts when an interrupt occurs. The default
* behavior when using the driver interface given in xintc.h file is to service
* only a single interrupt, whereas the default behavior when using the driver
* interface given in this file is to service all outstanding interrupts when an
* interrupt occurs. In Cascade mode same Option is set to Slave controllers.
*
* @param BaseAddress is the unique identifier for a device.
* @param Option is XIN_SVC_SGL_ISR_OPTION if you want only a single
* interrupt serviced when an interrupt occurs, or
* XIN_SVC_ALL_ISRS_OPTION if you want all pending interrupts
* serviced when an interrupt occurs.
*
* @return None.
*
* @note
*
* Note that this function has no effect if the input base address is invalid.
*
******************************************************************************/
void XIntc_SetIntrSvcOption(u32 BaseAddress, int Option)
{
XIntc_Config *CfgPtr;
CfgPtr = LookupConfigByBaseAddress(BaseAddress);
if (CfgPtr != NULL) {
CfgPtr->Options = Option;
/* If Cascade mode set the option for all Slaves */
if (CfgPtr->IntcType != XIN_INTC_NOCASCADE) {
int Index;
for (Index = 1; Index <= XPAR_XINTC_NUM_INSTANCES - 1;
Index++) {
CfgPtr = XIntc_LookupConfig(Index);
CfgPtr->Options = Option;
}
}
}
}
/**
*
* Register a handler function for a specific interrupt ID. The vector table
* of the interrupt controller is updated, overwriting any previous handler.
* The handler function will be called when an interrupt occurs for the given
* interrupt ID.
*
* This function can also be used to remove a handler from the vector table
* by passing in the XIntc_DefaultHandler() as the handler and NULL as the
* callback reference.
* In Cascade mode Interrupt Id is used to set Handler for corresponding Slave
* Controller
*
* @param BaseAddress is the base address of the interrupt controller
* whose vector table will be modified.
* @param InterruptId is the interrupt ID to be associated with the input
* handler.
* @param Handler is the function pointer that will be added to
* the vector table for the given interrupt ID.
* @param CallBackRef is the argument that will be passed to the new
* handler function when it is called. This is user-specific.
*
* @return None.
*
* @note
*
* Note that this function has no effect if the input base address is invalid.
*
******************************************************************************/
void XIntc_RegisterHandler(u32 BaseAddress, int InterruptId,
XInterruptHandler Handler, void *CallBackRef)
{
XIntc_Config *CfgPtr;
CfgPtr = LookupConfigByBaseAddress(BaseAddress);
if (CfgPtr != NULL) {
if (InterruptId > 31) {
CfgPtr = XIntc_LookupConfig(InterruptId/32);
CfgPtr->HandlerTable[InterruptId%32].Handler = Handler;
CfgPtr->HandlerTable[InterruptId%32].CallBackRef =
CallBackRef;
}
else {
CfgPtr->HandlerTable[InterruptId].Handler = Handler;
CfgPtr->HandlerTable[InterruptId].CallBackRef =
CallBackRef;
}
}
}
