osfmk/arm/status.c

47 #include <kern/thread.h>
64  * dependent thread state info.
66 kern_return_t thread_userstack(thread_t thread, int flavor,
111  * Set the current thread entry point.
113 kern_return_t thread_entrypoint(thread_t thread, int flavor,
144 kern_return_t thread_userstackdefault(thread_t thread,
154  *  Get the status of the specified thread.
254  * Set the current thread state.
256 kern_return_t machine_thread_set_state(thread_t thread, thread_flavor_t flavor,
288     assert(thread != NULL);
298         thread->machine.user_regs.r[0] = ts->r[0];
299         thread->machine.user_regs.r[1] = ts->r[1];
300         thread->machine.user_regs.r[2] = ts->r[2];
301         thread->machine.user_regs.r[3] = ts->r[3];
302         thread->machine.user_regs.r[4] = ts->r[4];
303         thread->machine.user_regs.r[5] = ts->r[5];
304         thread->machine.user_regs.r[6] = ts->r[6];
305         thread->machine.user_regs.r[7] = ts->r[7];
306         thread->machine.user_regs.r[8] = ts->r[8];
307         thread->machine.user_regs.r[9] = ts->r[9];
308         thread->machine.user_regs.r[10] = ts->r[10];
309         thread->machine.user_regs.r[11] = ts->r[11];
310         thread->machine.user_regs.r[12] = ts->r[12];
311         thread->machine.user_regs.sp = ts->sp;
312         thread->machine.user_regs.lr = ts->lr;
313         thread->machine.user_regs.pc = ts->pc;
314         thread->machine.user_regs.cpsr = sanitise_cpsr(ts->cpsr);
326             thread->machine.vfp_regs.r[i] = fs->r[i];
327         thread->machine.vfp_regs.fpscr = fs->fpscr;
337         thread->machine.es.fsr = es->fsr;
338         thread->machine.es.far = es->far;
339         thread->machine.es.exception = es->exception;
355 void thread_setuserstack(thread_t thread, mach_vm_address_t user_stack)
357     assert(thread);
358     thread->machine.user_regs.sp = CAST_DOWN(unsigned int, user_stack);
366 uint64_t thread_adjuserstack(thread_t thread, int adj)
368     assert(thread);
369     thread->machine.user_regs.sp += adj;
370     return thread->machine.user_regs.sp;
378 void thread_setentrypoint(thread_t thread, uint32_t entry)
380     assert(thread);
381     thread->machine.user_regs.pc = entry;
387  * Set the parent owner of the specified thread.
408  * Save the current thread context, used for the internal uthread structure.
441  * Restore the current thread context, used for the internal uthread structure.
465  * Set the child thread, used in forking.
478  * Set the thread state (used for psynch support).
480 void thread_set_wq_state32(thread_t thread, thread_state_t tstate)
487     saved_state = thread->machine.uss;
488     assert(thread->machine.uss == &thread->machine.user_regs);
492     if (curth != thread) {
494         thread_lock(thread);
510     if (curth != thread) {
511         thread_unlock(thread);