Re: NEWS5000 doesn't boot

[Jason R Thorpe <thorpej%zembu.com@localhost>]

On Thu, Jul 27, 2000 at 04:16:17PM +0900, Tsubai Masanari wrote:

 > This patch seems to work for me.
 > I think these cache flushes are not needed because sys_execve() does
 > pmap_procwr() for the same region, but I'm not sure...

Heh, see discussion on port-mips%netbsd.org@localhost about problems with this
on the R3000 Magnums.

 > *** mips_machdep.c~  Mon Jul 24 18:32:37 2000
 > --- mips_machdep.c   Thu Jul 27 16:09:26 2000
 > ***************
 > *** 662,670 ****
 > --- 662,673 ----
 >      struct exec_package *pack;
 >      u_long stack;
 >   {
 > + #if 0
 >      int szsigcode = pack->ep_emul->e_esigcode - pack->ep_emul->e_sigcode;
 > + #endif
 >      struct frame *f = (struct frame *)p->p_md.md_regs;
 >   
 > + #if 0
 >      /*
 >       * Make sure sigreturn trampoline is coherent.
 >       */
 > ***************
 > *** 673,678 ****
 > --- 676,682 ----
 >              MachFlushDCache((vaddr_t)p->p_sigacts->ps_sigcode, szsigcode);
 >   #endif
 >      MachFlushICache((vaddr_t)p->p_sigacts->ps_sigcode, szsigcode);
 > + #endif
 >   
 >      memset(f, 0, sizeof(struct frame));
 >      f->f_regs[SP] = (int) stack;
 > 

-- 
        -- Jason R. Thorpe <thorpej%zembu.com@localhost>