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/*
* GRLIB/LEON3 extended interrupt controller
*
* COPYRIGHT (c) 2011
* Aeroflex Gaisler
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*
*/
#include <leon.h>
#include <bsp/irq.h>
/* GRLIB extended IRQ controller IRQ number */
int LEON3_IrqCtrl_EIrq = -1;
/* Initialize Extended Interrupt controller */
void leon3_ext_irq_init(void)
{
if ( (LEON3_IrqCtrl_Regs->mpstat >> 16) & 0xf ) {
/* Extended IRQ controller available */
LEON3_IrqCtrl_EIrq = (LEON3_IrqCtrl_Regs->mpstat >> 16) & 0xf;
}
}
void bsp_interrupt_set_affinity(
rtems_vector_number vector,
const Processor_mask *affinity
)
{
uint32_t unmasked = 0;
uint32_t cpu_count = rtems_scheduler_get_processor_maximum();
uint32_t cpu_index;
for (cpu_index = 0; cpu_index < cpu_count; ++cpu_index) {
if (_Processor_mask_Is_set(affinity, cpu_index)) {
BSP_Cpu_Unmask_interrupt(vector, cpu_index);
++unmasked;
}
}
if (unmasked > 1) {
LEON_Enable_interrupt_broadcast(vector);
} else {
LEON_Disable_interrupt_broadcast(vector);
}
}
void bsp_interrupt_get_affinity(
rtems_vector_number vector,
Processor_mask *affinity
)
{
uint32_t cpu_count = rtems_scheduler_get_processor_maximum();
uint32_t cpu_index;
_Processor_mask_Zero(affinity);
for (cpu_index = 0; cpu_index < cpu_count; ++cpu_index) {
if (!BSP_Cpu_Is_interrupt_masked(vector, cpu_index)) {
_Processor_mask_Set(affinity, cpu_index);
}
}
}
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