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Add `machdep.cpu_arch' sysctl to determine the CPU architecture version.

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Currrently, cpu types `sun4' and `sun4c' produce version 7, all others
version 8.
This commit is contained in:
pk 2002-11-26 14:36:10 +00:00
parent 3fd797268f
commit ec667a0f51
2 changed files with 9 additions and 3 deletions
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6
sys/arch/sparc/include/cpu.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpu.h,v 1.49 2002/02/03 14:10:02 darrenr Exp $ */
/* $NetBSD: cpu.h,v 1.50 2002/11/26 14:36:11 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -53,13 +53,15 @@
#define CPU_BOOTED_KERNEL 1 /* string: booted kernel name */
#define CPU_BOOTED_DEVICE 2 /* string: device booted from */
#define CPU_BOOT_ARGS 3 /* string: args booted with */
#define CPU_MAXID 4 /* number of valid machdep ids */
#define CPU_ARCH 4 /* integer: cpu architecture version */
#define CPU_MAXID 5 /* number of valid machdep ids */
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "booted_kernel", CTLTYPE_STRING }, \
{ "booted_device", CTLTYPE_STRING }, \
{ "boot_args", CTLTYPE_STRING }, \
{ "cpu_arch", CTLTYPE_INT }, \
}
#ifdef _KERNEL

6
sys/arch/sparc/sparc/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.203 2002/09/25 22:21:21 thorpej Exp $ */
/* $NetBSD: machdep.c,v 1.204 2002/11/26 14:36:10 pk Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -488,6 +488,10 @@ cpu_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
if (cp == NULL || cp[0] == '\0')
return (ENOENT);
return (sysctl_rdstring(oldp, oldlenp, newp, cp));
case CPU_ARCH:
/* CPU architecture version */
return (sysctl_rdint(oldp, oldlenp, newp,
(CPU_ISSUN4 || CPU_ISSUN4C) ? 7 : 8));
default:
return (EOPNOTSUPP);
}