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Allocate memory for printouts directly instead of (trying to) use the 

yes uninitialized VM system.
This commit is contained in:
ragge 1999-10-27 16:40:47 +00:00
parent 9318cd75a1
commit 2334c8a315
1 changed files with 19 additions and 12 deletions
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31
sys/arch/vax/vsa/smg.c
View File

@ -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 @@ smgcninit(cndev)
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 @@ smgprobe()
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;
}