static void
passthrough_hw_detach_address (struct hw *me,
int level,
int space,
address_word addr,
address_word nr_bytes,
struct hw *client) /*callback/default*/
{
if (hw_parent (me) == NULL)
hw_abort (client, "hw_attach_address: no parent attach method");
hw_detach_address (hw_parent (me), level,
space, addr, nr_bytes,
client);
}
static void
m68hc11eepr_port_event (struct hw *me,
int my_port,
struct hw *source,
int source_port,
int level)
{
SIM_DESC sd;
struct m68hc11eepr *controller;
sim_cpu *cpu;
controller = hw_data (me);
sd = hw_system (me);
cpu = STATE_CPU (sd, 0);
switch (my_port)
{
case RESET_PORT:
{
HW_TRACE ((me, "EEPROM reset"));
/* Re-read the EEPROM from the file. This gives the chance
to users to erase this file before doing a reset and have
a fresh EEPROM taken into account. */
m6811eepr_memory_rw (controller, O_RDONLY);
/* Reset the state of EEPROM programmer. The CONFIG register
is also initialized from the EEPROM/file content. */
cpu->ios[M6811_PPROG] = 0;
if (cpu->cpu_use_local_config)
cpu->ios[M6811_CONFIG] = cpu->cpu_config;
else
cpu->ios[M6811_CONFIG] = controller->eeprom[controller->size-1];
controller->eeprom_wmode = 0;
controller->eeprom_waddr = 0;
controller->eeprom_wbyte = 0;
/* Attach or detach to the bus depending on the EEPROM enable bit.
The EEPROM CONFIG register is still enabled and can be programmed
for a next configuration (taken into account only after a reset,
see Motorola spec). */
if (!(cpu->ios[M6811_CONFIG] & M6811_EEON))
{
if (controller->mapped)
hw_detach_address (hw_parent (me), M6811_EEPROM_LEVEL,
controller->attach_space,
controller->base_address,
controller->size - 1,
me);
controller->mapped = 0;
}
else
{
if (!controller->mapped)
hw_attach_address (hw_parent (me), M6811_EEPROM_LEVEL,
controller->attach_space,
controller->base_address,
controller->size - 1,
me);
controller->mapped = 1;
}
break;
}
default:
hw_abort (me, "Event on unknown port %d", my_port);
break;
}
}
