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- #include <u.h>
- #include <libc.h>
- #include <thread.h>
- #include "threadimpl.h"
- /* first argument goes in a register; simplest just to ignore it */
- static void
- launcherarm(int, void (*f)(void *arg), void *arg)
- {
- (*f)(arg);
- threadexits(nil);
- }
- void
- _threadinitstack(Thread *t, void (*f)(void*), void *arg)
- {
- ulong *tos;
- tos = (ulong*)&t->stk[t->stksize&~7];
- *--tos = (ulong)arg;
- *--tos = (ulong)f;
- *--tos = 0; /* first arg to launchermips */
- *--tos = 0; /* place to store return PC */
- t->sched[JMPBUFPC] = (ulong)launcherarm+JMPBUFDPC;
- t->sched[JMPBUFSP] = (ulong)tos;
- }
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