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Implement cpu_thread_setup. Fix cpu_set_upcall.

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This commit is contained in:
Jake Burkholder 2003-04-02 08:03:42 +00:00
parent cef57e7624
commit c2b117e7db
1 changed files with 9 additions and 3 deletions
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12
sys/sparc64/sparc64/vm_machdep.c
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@ -138,17 +138,23 @@ cpu_thread_clean(struct thread *td)
void
cpu_thread_setup(struct thread *td)
{
struct pcb *pcb;
pcb = (struct pcb *)((td->td_kstack + KSTACK_PAGES * PAGE_SIZE -
sizeof(struct pcb)) & ~0x3fUL);
td->td_frame = (struct trapframe *)pcb - 1;
td->td_pcb = pcb;
}
void
cpu_set_upcall(struct thread *td, void *v)
{
struct pcb *pcb = v;
struct trapframe *tf;
struct frame *fr;
struct pcb *pcb;
tf = (struct trapframe *)pcb - 1;
td->td_frame = tf;
pcb = td->td_pcb;
tf = td->td_frame;
fr = (struct frame *)tf - 1;
fr->fr_local[0] = (u_long)fork_return;
fr->fr_local[1] = (u_long)td;