#include <mach_kdb.h>
#include <platforms.h>
#include <kern/spl.h>
#include <mach/std_types.h>
#include <types.h>
#include <kern/thread.h>
#include <console/serial_protos.h>
extern unsigned int disableSerialOuput;
extern void cons_cinput(char ch);
unsigned int serialmode;
void
serial_keyboard_init(void)
{
kern_return_t result;
thread_t thread;
if(!(serialmode & 2)) return;
kprintf("Serial keyboard started\n");
result = kernel_thread_start_priority((thread_continue_t)serial_keyboard_start, NULL, MAXPRI_KERNEL, &thread);
if (result != KERN_SUCCESS)
panic("serial_keyboard_init");
thread_deallocate(thread);
}
void
serial_keyboard_start(void)
{
serial_keyboard_poll();
panic("serial_keyboard_start: we can't get back here\n");
}
void
serial_keyboard_poll(void)
{
int chr;
uint64_t next;
while(1) {
chr = _serial_getc(0, 1, 0, 1);
if(chr < 0) break;
cons_cinput((char)chr);
}
clock_interval_to_deadline(16, 1000000, &next);
assert_wait_deadline((event_t)serial_keyboard_poll, THREAD_UNINT, next);
thread_block((thread_continue_t)serial_keyboard_poll);
panic("serial_keyboard_poll: Shouldn't never ever get here...\n");
}
boolean_t console_is_serial()
{
return cons_ops_index == SERIAL_CONS_OPS;
}
int
switch_to_video_console()
{
int old_cons_ops = cons_ops_index;
cons_ops_index = VC_CONS_OPS;
return old_cons_ops;
}
int
switch_to_serial_console()
{
int old_cons_ops = cons_ops_index;
cons_ops_index = SERIAL_CONS_OPS;
return old_cons_ops;
}
void
switch_to_old_console(int old_console)
{
static boolean_t squawked;
uint32_t ops = old_console;
if ((ops >= nconsops) && !squawked) {
squawked = TRUE;
printf("switch_to_old_console: unknown ops %d\n", ops);
} else
cons_ops_index = ops;
}