1*ab3dc52fSDavid du Colombier #include <u.h> 2*ab3dc52fSDavid du Colombier #include <libc.h> 3*ab3dc52fSDavid du Colombier #include <thread.h> 4*ab3dc52fSDavid du Colombier #include "threadimpl.h" 5*ab3dc52fSDavid du Colombier 6*ab3dc52fSDavid du Colombier /* first argument goes in a register; simplest just to ignore it */ 7*ab3dc52fSDavid du Colombier static void launcheramd64(int,void (* f)(void * arg),void * arg)8*ab3dc52fSDavid du Colombierlauncheramd64(int, void (*f)(void *arg), void *arg) 9*ab3dc52fSDavid du Colombier { 10*ab3dc52fSDavid du Colombier (*f)(arg); 11*ab3dc52fSDavid du Colombier threadexits(nil); 12*ab3dc52fSDavid du Colombier } 13*ab3dc52fSDavid du Colombier 14*ab3dc52fSDavid du Colombier void _threadinitstack(Thread * t,void (* f)(void *),void * arg)15*ab3dc52fSDavid du Colombier_threadinitstack(Thread *t, void (*f)(void*), void *arg) 16*ab3dc52fSDavid du Colombier { 17*ab3dc52fSDavid du Colombier uvlong *tos; 18*ab3dc52fSDavid du Colombier 19*ab3dc52fSDavid du Colombier tos = (uvlong*)&t->stk[t->stksize&~7]; 20*ab3dc52fSDavid du Colombier *--tos = (uvlong)arg; 21*ab3dc52fSDavid du Colombier *--tos = (uvlong)f; 22*ab3dc52fSDavid du Colombier *--tos = 0; /* first arg to launcheramd64 */ 23*ab3dc52fSDavid du Colombier t->sched[JMPBUFPC] = (uvlong)launcheramd64+JMPBUFDPC; 24*ab3dc52fSDavid du Colombier t->sched[JMPBUFSP] = (uvlong)tos - 2*8; /* old PC and new PC */ 25*ab3dc52fSDavid du Colombier } 26*ab3dc52fSDavid du Colombier 27