rtems_status_code qoriq_pic_set_priority(
rtems_vector_number vector,
int new_priority,
int *old_priority
)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
uint32_t old_vpr = 0;
if (bsp_interrupt_is_valid_vector(vector)) {
int offs = vpr_and_dr_offsets [vector] << 2;
volatile uint32_t *vpr = (volatile uint32_t *) &qoriq.pic + offs;
if (QORIQ_PIC_PRIORITY_IS_VALID(new_priority)) {
rtems_interrupt_level level;
rtems_interrupt_disable(level);
old_vpr = *vpr;
*vpr = VPR_PRIORITY_SET(old_vpr, (uint32_t) new_priority);
rtems_interrupt_enable(level);
} else if (new_priority < 0) {
old_vpr = *vpr;
} else {
sc = RTEMS_INVALID_PRIORITY;
}
} else {
sc = RTEMS_INVALID_ID;
}
if (old_priority != NULL) {
*old_priority = (int) VPR_PRIORITY_GET(old_vpr);
}
return sc;
}
rtems_status_code qoriq_pic_set_priority(
rtems_vector_number vector,
int new_priority,
int *old_priority
)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
uint32_t old_vpr = 0;
if (bsp_interrupt_is_valid_vector(vector)) {
volatile qoriq_pic_src_cfg *src_cfg = get_src_cfg(vector);
if (QORIQ_PIC_PRIORITY_IS_VALID(new_priority)) {
rtems_interrupt_lock_context lock_context;
rtems_interrupt_lock_acquire(&lock, &lock_context);
old_vpr = src_cfg->vpr;
src_cfg->vpr = VPR_PRIORITY_SET(old_vpr, (uint32_t) new_priority);
rtems_interrupt_lock_release(&lock, &lock_context);
} else if (new_priority < 0) {
old_vpr = src_cfg->vpr;
} else {
sc = RTEMS_INVALID_PRIORITY;
}
} else {
sc = RTEMS_INVALID_ID;
}
if (old_priority != NULL) {
*old_priority = (int) VPR_PRIORITY_GET(old_vpr);
}
return sc;
}
