void
checkpassword(void)
{
int fd, consctl, must;
char buf[256];
AuthInfo *ai;
static int opened;
must = 1;
if(!opened){
fd = open("/dev/cons", OREAD);
if(fd == -1)
error("can't open cons: %r");
dup(fd, 0);
close(fd);
fd = open("/dev/cons", OWRITE);
if(fd == -1)
error("can't open cons: %r");
dup(fd, 1);
dup(1, 2);
close(fd);
consctl = open("/dev/consctl", OWRITE);
if(consctl == -1)
error("can't open consctl: %r");
if(write(consctl, "rawon", 5) != 5)
error("can't turn off echo\n");
opened = 1;
}
for(;;){
if(chatty || !must)
fprint(2, "%s's screenlock password: "******"\n");
if(buf[0] == '\0' || buf[0] == '\04'){
if(must)
continue;
error("no password typed");
}
/* authenticate */
ai = auth_userpasswd(user, buf);
if(ai != nil && ai->cap != nil)
break;
auth_freeAI(ai);
if(chatty || !must)
fprint(2, "password mismatch\n");
doblank = 1;
}
memset(buf, 0, sizeof buf);
blankscreen(0);
}
void
powersuspend(void)
{
extern void suspenditall(void);
GpioReg *g;
ulong back = 0x43219990; /* check that the stack's right */
ulong pwer, gplr;
ulong *rp;
int i, s;
s = splfhi();
archpowerdown(); /* sets PMGR and PPC appropriately */
if(DEBUG)
dumpitall();
blankscreen(1);
chandevpower(0);
gplr = GPIOREG->gplr;
for(i=0; (rp = coreregs[i]) != nil; i++)
corestate[i] = *rp;
pwer = PMGRREG->pwer;
if(pwer == 0)
pwer = 1<<0;
g = GPIOREG;
g->grer &= pwer; /* just the ones archpowerdown requested */
g->gfer &= pwer;
g->gedr = g->gedr;
RESETREG->rcsr = 0xF; /* reset all status */
minidcflush();
if(DEBUG)
iprint("suspenditall...\n");
suspenditall(); /* keep us in suspense */
PMGRREG->pspr = 0;
archpowerup();
trapstacks();
/* set output latches before gpdr restored */
GPIOREG->gpsr = gplr;
GPIOREG->gpcr = ~gplr;
for(i=0; (rp = coreregs[i]) != nil; i++)
*rp = corestate[i];
GPIOREG->gedr = GPIOREG->gedr; /* reset GPIO interrupts (should we?) */
PMGRREG->pssr = PSSR_ph; /* cancel peripheral hold */
chandevpower(1);
if(back != 0x43219990){
iprint("back %8.8lux\n", back);
panic("powersuspend");
}
blankscreen(0);
if(DEBUG)
dumpitall();
splx(s);
}
void
blanker(void *)
{
int tics;
tics = 0;
for(;;){
if(doblank > 0){
doblank = 0;
tics = 10;
}
if(tics > 0 && --tics == 0)
blankscreen(1);
sleep(1000);
}
}
void
screenpower(int on)
{
blankscreen(on == 0);
}