gratituous compatibility with NetBSD

diff --git a/sys/arch/sun3/sun3/locore.s b/sys/arch/sun3/sun3/locore.s
index 069ac76..44652d4 100644 (file)
--- 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