diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/mvme68k/dev/zs.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/sys/arch/mvme68k/dev/zs.c b/sys/arch/mvme68k/dev/zs.c index 228b0b718c2..764d5e6e023 100644 --- a/sys/arch/mvme68k/dev/zs.c +++ b/sys/arch/mvme68k/dev/zs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: zs.c,v 1.5 1996/06/11 10:17:40 deraadt Exp $ */ +/* $OpenBSD: zs.c,v 1.6 2000/01/27 03:06:50 smurph Exp $ */ /* * Copyright (c) 1995 Theo de Raadt @@ -164,8 +164,23 @@ zsmatch(parent, vcf, args) { struct cfdata *cf = vcf; struct confargs *ca = args; - - return (!badvaddr(ca->ca_vaddr, 1)); + unsigned char *zstest = (unsigned char *)ca->ca_vaddr; + /* + * If zs1 is in the config, we must test to see if it really exists. + * Some 162s only have one scc device, but the memory location for + * the second scc still checks valid and every byte contains 0xFF. So + * this is what we test with for now. XXX - smurph + */ + if (!badvaddr(ca->ca_vaddr, 1)) + if (*zstest != 0xFF) + return(0); + else + return(1); + else + return(0); +#if 0 + return (!badvaddr(ca->ca_vaddr, 1)); +#endif } void |