diff options
| author | kstailey <kstailey@cvs.openbsd.org> | 1997-02-20 06:30:04 +0000 |
|---|---|---|
| committer | kstailey <kstailey@cvs.openbsd.org> | 1997-02-20 06:30:04 +0000 |
| commit | c13adeb0bed820115cebb62a8f60b0cc634ee48d (patch) | |
| tree | 80fab09ef8aa98c3808fc5ccab8fa3ca16801c9d /sys/arch | |
| parent | 6c9dc385d64e3ad0b2c86c42f505fb7edfa965ba (diff) | |
gratituous compatibility with NetBSD
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/sun3/sun3/locore.s | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sys/arch/sun3/sun3/locore.s b/sys/arch/sun3/sun3/locore.s index 069ac76346d..44652d4fd22 100644 --- a/sys/arch/sun3/sun3/locore.s +++ b/sys/arch/sun3/sun3/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.16 1997/02/20 06:17:03 kstailey Exp $ */ +/* $OpenBSD: locore.s,v 1.17 1997/02/20 06:30:03 kstailey Exp $ */ /* $NetBSD: locore.s,v 1.40 1996/11/06 20:19:54 cgd Exp $ */ /* @@ -92,7 +92,6 @@ L_per_pmeg: | Kernel is now double mapped at zero and KERNBASE. | Force a long jump to the relocated code (high VA). - movl #IC_CLEAR, d0 | Flush the I-cache movc d0, cacr jmp L_high_code:l | long jump @@ -1035,7 +1034,7 @@ Lsw2: movl a0,_curproc clrl _want_resched #ifdef notyet - movl sp@+,a1 + movl sp@+,a1 | XXX - Make this work! cmpl a0,a1 | switching to same proc? jeq Lswdone | yes, skip save and restore #endif @@ -1083,11 +1082,13 @@ Lswnofpsave: | Important note: We MUST call pmap_activate to set the | MMU context register (like setting a root table pointer). +| XXX - Eventually, want to do that here, inline. lea a2@(VM_PMAP),a2 | pmap = &vmspace.vm_pmap pea a2@ | push pmap jbsr _pmap_activate | pmap_activate(pmap) addql #4,sp movl _curpcb,a1 | restore p_addr +| Note: pmap_activate will clear the cache if needed. /* * Reload the registers for the new process. @@ -1158,8 +1159,8 @@ ENTRY(ICIA) ENTRY(DCIU) rts -/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP, PCIA */ -/* ecacheon, ecacheoff */ +/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */ +/* PCIA, ecacheon, ecacheoff */ /* * Get callers current SP value. @@ -1239,8 +1240,6 @@ ENTRY(_remque) /* * Save and restore 68881 state. - * Pretty awful looking since our assembler does not - * recognize FP mnemonics. */ ENTRY(m68881_save) movl sp@(4),a0 | save area pointer |