externC hal_mpc5xx_arbitration_data *
hal_mpc5xx_remove_arbitration_isr(cyg_uint32 apriority)
{
hal_mpc5xx_arbitration_data * result = 0;
// Find the SIU vector from the priority
CYG_ADDRWORD vector = 2*(1 + apriority);
if(vector < CYGNUM_HAL_INTERRUPT_SIU_LVL7)
{
result = (hal_mpc5xx_arbitration_data *)(hal_interrupt_objects[vector]);
HAL_INTERRUPT_DETACH(vector, hal_interrupt_handlers[vector]);
}
else
{
#ifdef CYGSEM_HAL_POWERPC_MPC5XX_IMB3_ARBITER
// Prevent anything from coming through while manipulating the list
HAL_INTERRUPT_MASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
result = mpc5xx_remove(imb3_data_head, apriority);
// If something was removed, update the list.
if(result) imb3_data_head = result->reserved;
HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
#else
result = (hal_mpc5xx_arbitration_data *)(hal_interrupt_objects[CYGNUM_HAL_INTERRUPT_SIU_LVL7]);
HAL_INTERRUPT_DETACH(CYGNUM_HAL_INTERRUPT_SIU_LVL7, hal_interrupt_handlers[CYGNUM_HAL_INTERRUPT_SIU_LVL7]);
#endif
}
return result;
}
externC void
hal_mpc5xx_remove_arbitration_isr(hal_mpc5xx_arbitration_data * adata)
{
#ifdef CYGSEM_HAL_POWERPC_MPC5XX_IMB3_ARBITER
// Prevent anything from coming through while manipulating the list
HAL_INTERRUPT_MASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
imb3_data_head = mpc5xx_remove(imb3_data_head, adata);
HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
#endif
}
