kern/77355: Detect i*86 subarches for uname

[Robert Millan]

>Number:         77355
>Category:       kern
>Synopsis:       Detect i*86 subarches for uname
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 10 18:10:22 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Robert Millan
>Release:        GNU/kFreeBSD 5.3-3 i686
>Organization:
Debian
>Environment:
System: GNU/kFreeBSD aragorn 5.3-3 #0: Thu Feb 10 15:39:57 CET 2005 i686 GNU/KFreeBSD


	
>Description:
This patch enables the kernel of FreeBSD to give output of i*86 subarches
in the uname kernel call.  As a result, `uname -m' may print "i686", etc
instead of always "i386".

	
>How-To-Repeat:
	
>Fix:

--- src/sys/i386/i386/identcpu.c.old	2005-02-08 05:02:33.000000000 +0100
+++ src/sys/i386/i386/identcpu.c	2005-02-08 05:05:09.000000000 +0100
@@ -604,6 +604,7 @@
 #if defined(I486_CPU)
 	case CPUCLASS_486:
 		printf("486");
+		machine[1] = '4';
 		bzero_vector = i486_bzero;
 		break;
 #endif
@@ -614,6 +615,7 @@
 		       (intmax_t)(tsc_freq + 4999) / 1000000,
 		       (u_int)((tsc_freq + 4999) / 10000) % 100);
 		printf("586");
+		machine[1] = '5';
 		break;
 #endif
 #if defined(I686_CPU)
@@ -623,6 +625,7 @@
 		       (intmax_t)(tsc_freq + 4999) / 1000000,
 		       (u_int)((tsc_freq + 4999) / 10000) % 100);
 		printf("686");
+		machine[1] = '6';
 		break;
 #endif
 	default:
>Release-Note:
>Audit-Trail:
>Unformatted: