URL https://opencores.org/ocsvn/minsoc/minsoc/trunk

Subversion Repositories minsoc

[/] [minsoc/] [trunk/] [sw/] [support/] [int.c] - Diff between revs 2 and 11

Rev 2	Rev 11
Line 64...	Line 64...
`}`	`}`

`/* Main interrupt handler */`	`/* Main interrupt handler */`
`void int_main()`	`void int_main()`
`{`	`{`
`unsigned long picsr = mfspr(SPR_PICSR);`	`unsigned long picsr = mfspr(SPR_PICSR); //process only the interrupts asserted at signal catch, ignore all during process`
`unsigned long i = 0;`	`unsigned long i = 0;`

`mtspr(SPR_PICSR, 0);`

`while(i < 32) {`	`while(i < 32) {`
`if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) {`	`if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) {`
`(*int_handlers[i].handler)(int_handlers[i].arg);`	`(*int_handlers[i].handler)(int_handlers[i].arg);`
`}`	`}`
`i++;`	`i++;`
`}`	`}`
`}`
	`mtspr(SPR_PICSR, 0); //clear interrupt status: all modules have level interrupts, which have to be cleared by software,`
	`} //thus this is safe, since non processed interrupts will get re-asserted soon enough`


`#endif`	`#endif`

`No newline at end of file`	`No newline at end of file`