kern_return_t
host_processors(
host_t host,
processor_array_t *processor_list,
mach_msg_type_number_t *countp)
{
register int i;
register processor_t *tp;
vm_offset_t addr;
unsigned int count;
boolean_t rt = FALSE; /* ### This boolean is FALSE, because there
* currently exists no mechanism to determine
* whether or not the reply port is an RT port
*/
if (host == HOST_NULL)
return(KERN_INVALID_ARGUMENT);
/*
* Determine how many processors we have.
* (This number shouldn't change.)
*/
count = 0;
for (i = 0; i < NCPUS; i++)
if (machine_slot[i].is_cpu)
count++;
if (count == 0)
panic("host_processors");
addr = KALLOC((vm_size_t) (count * sizeof(mach_port_t)), rt);
if (addr == 0)
return KERN_RESOURCE_SHORTAGE;
tp = (processor_t *) addr;
for (i = 0; i < NCPUS; i++)
if (machine_slot[i].is_cpu)
*tp++ = cpu_to_processor(i);
*countp = count;
*processor_list = (mach_port_t *) addr;
/* do the conversion that Mig should handle */
tp = (processor_t *) addr;
for (i = 0; i < count; i++)
((mach_port_t *) tp)[i] =
(mach_port_t)convert_processor_to_port(tp[i]);
return KERN_SUCCESS;
}
kern_return_t host_processors(
host_t host,
processor_array_t *processor_list,
natural_t *countp)
{
register int i;
register processor_t *tp;
vm_offset_t addr;
unsigned int count;
if (host == HOST_NULL)
return KERN_INVALID_ARGUMENT;
/*
* Determine how many processors we have.
* (This number shouldn't change.)
*/
count = 0;
for (i = 0; i < NCPUS; i++)
if (machine_slot[i].is_cpu)
count++;
if (count == 0)
panic("host_processors");
addr = kalloc((vm_size_t) (count * sizeof(mach_port_t)));
if (addr == 0)
return KERN_RESOURCE_SHORTAGE;
tp = (processor_t *) addr;
for (i = 0; i < NCPUS; i++)
if (machine_slot[i].is_cpu)
*tp++ = cpu_to_processor(i);
*countp = count;
*processor_list = (mach_port_t *) addr;
/* do the conversion that Mig should handle */
tp = (processor_t *) addr;
for (i = 0; i < count; i++)
((mach_port_t *) tp)[i] =
(mach_port_t)convert_processor_to_port(tp[i]);
return KERN_SUCCESS;
}
kern_return_t
host_processors(
host_priv_t host_priv,
processor_array_t *out_array,
mach_msg_type_number_t *countp)
{
register processor_t processor, *tp;
void *addr;
unsigned int count, i;
if (host_priv == HOST_PRIV_NULL)
return (KERN_INVALID_ARGUMENT);
assert(host_priv == &realhost);
count = processor_count;
assert(count != 0);
addr = kalloc((vm_size_t) (count * sizeof(mach_port_t)));
if (addr == 0)
return (KERN_RESOURCE_SHORTAGE);
tp = (processor_t *) addr;
*tp++ = processor = processor_list;
if (count > 1) {
simple_lock(&processor_list_lock);
for (i = 1; i < count; i++)
*tp++ = processor = processor->processor_list;
simple_unlock(&processor_list_lock);
}
*countp = count;
*out_array = (processor_array_t)addr;
/* do the conversion that Mig should handle */
tp = (processor_t *) addr;
for (i = 0; i < count; i++)
((mach_port_t *) tp)[i] =
(mach_port_t)convert_processor_to_port(tp[i]);
return (KERN_SUCCESS);
}
