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Remove fu/su functions; now in copy.s.

This commit is contained in:
mycroft 1995-02-08 17:58:55 +00:00
parent 68dc834748
commit 2eeb5b8c71
1 changed files with 1 additions and 113 deletions
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114
sys/arch/da30/da30/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.6 1995/02/08 17:48:53 mycroft Exp $ */
/* $NetBSD: locore.s,v 1.7 1995/02/08 17:58:55 mycroft Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -1222,118 +1222,6 @@ Lsavedone:
moveq #0,d0 | return 0
rts
/*
* {fu,su},{byte,sword,word}
*/
ALTENTRY(fuiword, _fuword)
ENTRY(fuword)
movl sp@(4),a0 | address to read
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
movsl a0@,d0 | do read from user space
nop
jra Lfsdone
ENTRY(fusword)
movl sp@(4),a0
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
moveq #0,d0
movsw a0@,d0 | do read from user space
nop
jra Lfsdone
/* Just like fusword, but tells trap code not to page in. */
ENTRY(fuswintr)
movl sp@(4),a0
movl _curpcb,a1
movl #_fswintr,a1@(PCB_ONFAULT)
moveq #0,d0
movsw a0@,d0
nop
jra Lfsdone
ALTENTRY(fuibyte, _fubyte)
ENTRY(fubyte)
movl sp@(4),a0 | address to read
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
moveq #0,d0
movsb a0@,d0 | do read from user space
nop
jra Lfsdone
Lfserr:
moveq #-1,d0 | error indicator
Lfsdone:
clrl a1@(PCB_ONFAULT) | clear fault address
rts
/* Just like Lfserr, but the address is different (& exported). */
.globl _fswintr
_fswintr:
moveq #-1,d0
jra Lfsdone
/*
* Write a longword in user instruction space.
* Largely the same as suword but with a final i-cache purge on those
* machines with split caches.
*/
ENTRY(suiword)
movl sp@(4),a0 | address to write
movl sp@(8),d0 | value to put there
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
movsl d0,a0@ | do write to user space
nop
moveq #0,d0 | indicate no fault
movl #IC_CLEAR,d1
movc d1,cacr | invalidate i-cache
jra Lfsdone
ENTRY(suword)
movl sp@(4),a0 | address to write
movl sp@(8),d0 | value to put there
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
movsl d0,a0@ | do write to user space
nop
moveq #0,d0 | indicate no fault
jra Lfsdone
ENTRY(susword)
movl sp@(4),a0 | address to write
movw sp@(10),d0 | value to put there
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
movsw d0,a0@ | do write to user space
nop
moveq #0,d0 | indicate no fault
jra Lfsdone
ENTRY(suswintr)
movl sp@(4),a0
movw sp@(10),d0
movl _curpcb,a1
movl #_fswintr,a1@(PCB_ONFAULT)
movsw d0,a0@
nop
moveq #0,d0
jra Lfsdone
ALTENTRY(suibyte, _subyte)
ENTRY(subyte)
movl sp@(4),a0 | address to write
movb sp@(11),d0 | value to put there
movl _curpcb,a1 | current pcb
movl #Lfserr,a1@(PCB_ONFAULT) | where to return to on a fault
movsb d0,a0@ | do write to user space
nop
moveq #0,d0 | indicate no fault
jra Lfsdone
/*
* Invalidate entire TLB.
*/