static SI
fr550_check_data_read_address (SIM_CPU *current_cpu, SI address, int align_mask)
{
if ((USI)address >= 0xfe800000 && (USI)address <= 0xfefeffff
|| (align_mask > 0x3
&& ((USI)address >= 0xfeff0000 && (USI)address <= 0xfeffffff)))
frv_queue_data_access_error_interrupt (current_cpu, address);
return address;
}
/* Check for alignment and access restrictions. Return the corrected address.
*/
static SI
fr400_check_data_read_address (SIM_CPU *current_cpu, SI address, int align_mask)
{
/* Check access restrictions for double word loads only. */
if (align_mask == 7)
{
if ((USI)address >= 0xfe800000 && (USI)address <= 0xfeffffff)
frv_queue_data_access_error_interrupt (current_cpu, address);
}
return address;
}
static SI
fr500_check_data_read_address (SIM_CPU *current_cpu, SI address, int align_mask)
{
if (address & align_mask)
{
frv_queue_mem_address_not_aligned_interrupt (current_cpu, address);
address &= ~align_mask;
}
if ((USI)address >= 0xfeff0600 && (USI)address <= 0xfeff7fff
|| (USI)address >= 0xfe800000 && (USI)address <= 0xfefeffff)
frv_queue_data_access_error_interrupt (current_cpu, address);
return address;
}
void
frv_core_signal (SIM_DESC sd, SIM_CPU *current_cpu, sim_cia cia,
unsigned int map, int nr_bytes, address_word addr,
transfer_type transfer, sim_core_signals sig)
{
if (sig == sim_core_unaligned_signal)
{
if (STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr400
|| STATE_ARCHITECTURE (sd)->mach == bfd_mach_fr450)
frv_queue_data_access_error_interrupt (current_cpu, addr);
else
frv_queue_mem_address_not_aligned_interrupt (current_cpu, addr);
}
frv_term (sd);
sim_core_signal (sd, current_cpu, cia, map, nr_bytes, addr, transfer, sig);
}
static SI
fr400_check_readwrite_address (SIM_CPU *current_cpu, SI address, int align_mask)
{
if (address & align_mask)
{
/* Make sure that this exception is not masked. */
USI isr = GET_ISR ();
if (! GET_ISR_EMAM (isr))
{
/* Bad alignment causes a data_access_error on fr400. */
frv_queue_data_access_error_interrupt (current_cpu, address);
}
address &= ~align_mask;
}
/* Nothing to check. */
return address;
}
