1*fbadb1c4SDavid du Colombier #include <u.h> 2*fbadb1c4SDavid du Colombier #include <libc.h> 3*fbadb1c4SDavid du Colombier #include <thread.h> 4*fbadb1c4SDavid du Colombier #include "threadimpl.h" 5*fbadb1c4SDavid du Colombier 6*fbadb1c4SDavid du Colombier /* first argument goes in a register; simplest just to ignore it */ 7*fbadb1c4SDavid du Colombier static void launcherpower64(int,void (* f)(void * arg),void * arg)8*fbadb1c4SDavid du Colombierlauncherpower64(int, void (*f)(void *arg), void *arg) 9*fbadb1c4SDavid du Colombier { 10*fbadb1c4SDavid du Colombier (*f)(arg); 11*fbadb1c4SDavid du Colombier threadexits(nil); 12*fbadb1c4SDavid du Colombier } 13*fbadb1c4SDavid du Colombier 14*fbadb1c4SDavid du Colombier void _threadinitstack(Thread * t,void (* f)(void *),void * arg)15*fbadb1c4SDavid du Colombier_threadinitstack(Thread *t, void (*f)(void*), void *arg) 16*fbadb1c4SDavid du Colombier { 17*fbadb1c4SDavid du Colombier uvlong *tos; 18*fbadb1c4SDavid du Colombier 19*fbadb1c4SDavid du Colombier tos = (uvlong*)&t->stk[t->stksize&~7]; 20*fbadb1c4SDavid du Colombier *--tos = (uvlong)arg; 21*fbadb1c4SDavid du Colombier *--tos = (uvlong)f; 22*fbadb1c4SDavid du Colombier *--tos = 0; /* first arg to launcherpower64 */ 23*fbadb1c4SDavid du Colombier *--tos = 0; /* place to store return PC */ 24*fbadb1c4SDavid du Colombier t->sched[JMPBUFPC] = (uvlong)launcherpower64+JMPBUFDPC; 25*fbadb1c4SDavid du Colombier t->sched[JMPBUFSP] = (uvlong)tos; 26*fbadb1c4SDavid du Colombier } 27*fbadb1c4SDavid du Colombier 28