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Add fuswintr and suswintr.

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This commit is contained in:
briggs 1994-05-06 17:37:37 +00:00
parent 62b418de75
commit 2998461b9c
1 changed files with 36 additions and 1 deletions
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37
sys/arch/m68k/m68k/copy.s
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@ -38,7 +38,7 @@
*
* from: Utah Hdr: locore.s 1.58 91/04/22
* from: (hp300) @(#)locore.s 7.11 (Berkeley) 5/9/91
* $Id: copy.s,v 1.10 1994/02/28 00:27:26 chopps Exp $
* $Id: copy.s,v 1.11 1994/05/06 17:37:37 briggs Exp $
*/
#include <sys/errno.h>
@ -318,6 +318,15 @@ ENTRY(fusword)
movsw a0@,d0 | do read from user space
jra Lfdone
ENTRY(fuswintr)
SETUP_SFC
movl sp@(4),a0
movl _curpcb,a1 | current pcb
movl #_fubail,a1@(PCB_ONFAULT) | where to return to on a fault
moveq #0,d0
movsw a0@,d0 | do read from user space
jra Lfdone
ALTENTRY(fuibyte, _fubyte)
ENTRY(fubyte)
SETUP_SFC
@ -328,6 +337,14 @@ ENTRY(fubyte)
movsb a0@,d0 | do read from user space
jra Lfdone
/*
* error routine for fuswintr. Fails before page faulting. Otherwise
* it's the same as Lferr. Needs to be external for trap.c.
*/
ENTRY(fubail)
moveq #-1,d0 | error indicator
jra Lfdone
Lferr:
moveq #-1,d0 | error indicator
Lfdone:
@ -356,6 +373,16 @@ ENTRY(susword)
moveq #0,d0 | indicate no fault
jra Lsdone
ENTRY(suswintr)
SETUP_DFC
movl sp@(4),a0 | address to write
movw sp@(10),d0 | value to put there
movl _curpcb,a1 | current pcb
movl #_subail,a1@(PCB_ONFAULT) | where to return to on a fault
movsw d0,a0@ | do write to user space
moveq #0,d0 | indicate no fault
jra Lsdone
ALTENTRY(suibyte, _subyte)
ENTRY(subyte)
SETUP_DFC
@ -367,6 +394,14 @@ ENTRY(subyte)
moveq #0,d0 | indicate no fault
jra Lsdone
/*
* error routine for suswintr. Fails before page faulting. Otherwise
* it's the same as Lferr. Needs to be external for trap.c.
*/
ENTRY(subail)
moveq #-1,d0 | error indicator
jra Lsdone
Lserr:
moveq #-1,d0 | error indicator
Lsdone: