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Take care of curpcb->pcb_ps in vm_machdep, and use appropriate IPL. 

Add missing line accidently dropped near the end of cpu_switch().
This commit is contained in:
gwr 1995-05-30 15:32:37 +00:00
parent ae9e49ed0d
commit 3b4e8765b5
1 changed files with 5 additions and 6 deletions
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11
sys/arch/sun3/sun3/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.28 1995/05/26 17:09:37 gwr Exp $ */
/* $NetBSD: locore.s,v 1.29 1995/05/30 15:32:37 gwr Exp $ */
/*
* Copyright (c) 1994, 1995 Gordon W. Ross
@ -120,11 +120,9 @@ L_high_code:
movc d0, sfc | space for copyin/copyout
movc d0, dfc
| Setup process zero user/kernel stacks and PCB. Note:
| Make sure PCB.sr is valid before cpu_fork copies it!
| Setup process zero user/kernel stacks.
movl _proc0paddr,a1 | get proc0 pcb addr
lea a1@(USPACE-4),sp | set kernel stack to end of it
movw sr,a1@(PCB_PS) | PSL_HIGHPRI
lea a1@(USPACE-4),sp | set SSP to last word
movl #USRSTACK-4,a2
movl a2,usp | init user SP
@ -1050,7 +1048,7 @@ Lswnofpsave:
#endif
| Important note: We MUST call pmap_activate to set the
| MMU context register (like setting a root table poiter).
| MMU context register (like setting a root table pointer).
lea a0@(VM_PMAP),a0 | pmap = &vmspace.vm_pmap
pea a1@ | push pcb (at p_addr)
pea a0@ | push pmap
@ -1084,6 +1082,7 @@ Lres_skip:
btst #13,d0 | supervisor mode?
jeq Lbadsw | no? panic!
#endif
movw d0,sr | OK, restore PS
moveq #1,d0 | return 1 (for alternate returns)
rts