Implement cpu_set_upcall_kse. May need tweaking.

This commit is contained in:
jake 2003-08-31 22:58:56 +00:00
parent 95a155612c
commit a9d632eede

View File

@ -195,6 +195,18 @@ cpu_set_upcall(struct thread *td, struct thread *td0)
void
cpu_set_upcall_kse(struct thread *td, struct kse_upcall *ku)
{
struct trapframe *tf;
uint64_t sp;
tf = td->td_frame;
sp = (uint64_t)ku->ku_stack.ss_sp + ku->ku_stack.ss_size;
tf->tf_out[0] = (uint64_t)ku->ku_mailbox;
tf->tf_out[6] = sp - SPOFF - sizeof(struct frame);
tf->tf_tpc = (uint64_t)ku->ku_func;
tf->tf_tnpc = tf->tf_tpc + 4;
td->td_retval[0] = tf->tf_out[0];
td->td_retval[1] = tf->tf_out[1];
}
/*