URL https://opencores.org/ocsvn/neorv32/neorv32/trunk

Subversion Repositories neorv32

[/] [neorv32/] [trunk/] [sw/] [lib/] [source/] [neorv32_xirq.c] - Diff between revs 66 and 69

Rev 66	Rev 69
Line 235...	Line 235...

`register uint32_t src = NEORV32_XIRQ.SCR; // get IRQ source (with highest priority)`	`register uint32_t src = NEORV32_XIRQ.SCR; // get IRQ source (with highest priority)`

`uint32_t mask = 1 << src;`	`uint32_t mask = 1 << src;`
`NEORV32_XIRQ.IPR = ~mask; // clear current pending interrupt`	`NEORV32_XIRQ.IPR = ~mask; // clear current pending interrupt`
`NEORV32_XIRQ.SCR = 0; // acknowledge current interrupt (CPU FIRQ)`
	`neorv32_cpu_csr_write(CSR_MIP, 1 << XIRQ_FIRQ_PENDING); // acknowledge XIRQ FIRQ`

	`NEORV32_XIRQ.SCR = 0; // acknowledge current XIRQ interrupt source`

`// execute handler`	`// execute handler`
`register uint32_t xirq_handler = __neorv32_xirq_vector_lut[src];`	`register uint32_t xirq_handler = __neorv32_xirq_vector_lut[src];`
`void (*handler_pnt)(void);`	`void (*handler_pnt)(void);`
`handler_pnt = (void*)xirq_handler;`	`handler_pnt = (void*)xirq_handler;`