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stop memory probing at first memory image. 

this is necessary for MC-CS12.
This commit is contained in:
shin 2000-02-25 11:20:20 +00:00
parent 469464d4c8
commit 2d3ab1ef0c
1 changed files with 5 additions and 1 deletions
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6
sys/arch/hpcmips/vr/vr.c
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@ -1,4 +1,4 @@
/* $NetBSD: vr.c,v 1.13 2000/02/21 13:46:05 shin Exp $ */ /* $NetBSD: vr.c,v 1.14 2000/02/25 11:20:20 shin Exp $ */
/*- /*-
* Copyright (c) 1999 * Copyright (c) 1999
@ -195,6 +195,10 @@ vr_find_dram(addr, end)
if (badaddr(page, 4)) if (badaddr(page, 4))
goto bad; goto bad;
/* stop memory probing at first memory image */
if (bcmp(page, (void *)MIPS_PHYS_TO_KSEG0(0), 128) == 0)
return;
*(volatile int *)(page+0) = 0xa5a5a5a5; *(volatile int *)(page+0) = 0xa5a5a5a5;
*(volatile int *)(page+4) = 0x5a5a5a5a; *(volatile int *)(page+4) = 0x5a5a5a5a;
wbflush(); wbflush();