[src/trunk]: src/sys/arch/vax/vsa Allocate memory for printouts directly inst...

[ragge <ragge%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/940a2ab5ba28
branches:  trunk
changeset: 477688:940a2ab5ba28
user:      ragge <ragge%NetBSD.org@localhost>
date:      Wed Oct 27 16:40:47 1999 +0000

description:
Allocate memory for printouts directly instead of (trying to) use the
yes uninitialized VM system.

diffstat:

 sys/arch/vax/vsa/smg.c |  31 +++++++++++++++++++------------
 1 files changed, 19 insertions(+), 12 deletions(-)

diffs (60 lines):

diff -r 83a2935be284 -r 940a2ab5ba28 sys/arch/vax/vsa/smg.c
--- a/sys/arch/vax/vsa/smg.c    Wed Oct 27 16:38:54 1999 +0000
+++ b/sys/arch/vax/vsa/smg.c    Wed Oct 27 16:40:47 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: smg.c,v 1.17 1999/08/27 17:49:41 ragge Exp $ */
+/*     $NetBSD: smg.c,v 1.18 1999/10/27 16:40:47 ragge Exp $ */
 /*
  * Copyright (c) 1998 Ludd, University of Lule}, Sweden.
  * All rights reserved.
@@ -478,17 +478,24 @@
 
        curscr = &smg_conscreen;
        wsdisplay_cnattach(&smg_stdscreen, &smg_conscreen, 0, 0, 0);
-       cn_tab->cn_dev = makedev(WSCONSOLEMAJOR, 0);
-#if NLKC
+       cn_tab->cn_pri = CN_INTERNAL;
+#if 0
        lkccninit(cndev);
        wsdisplay_set_cons_kbd(lkccngetc, nullcnpollc);
 #endif
 }
 
-int smgprobe(void);
-int
-smgprobe()
+/*
+ * Called very early to setup the glass tty as console.
+ * Because it's called before the VM system is inited, virtual memory
+ * for the framebuffer can be stolen directly without disturbing anything.
+ */
+void
+smgcnprobe(cndev)
+       struct  consdev *cndev;
 {
+       extern vaddr_t virtual_avail;
+
        switch (vax_boardtype) {
        case VAX_BTYP_410:
        case VAX_BTYP_420:
@@ -496,14 +503,14 @@
                if ((vax_confdata & KA420_CFG_L3CON) ||
                    (vax_confdata & KA420_CFG_MULTU))
                        break; /* doesn't use graphics console */
-               sm_addr = (caddr_t)vax_map_physmem(SMADDR, (SMSIZE/VAX_NBPG));
-               if (sm_addr == 0)
-                       return 0;
-
-               return 1;
+               sm_addr = (caddr_t)virtual_avail;
+               virtual_avail += SMSIZE;
+               ioaccess((vaddr_t)sm_addr, SMADDR, (SMSIZE/VAX_NBPG));
+               cndev->cn_pri = CN_INTERNAL;
+               cndev->cn_dev = makedev(WSCONSOLEMAJOR, 0);
+               break;
 
        default:
                break;
        }
-       return 0;
 }