Date: Sat, 27 Feb 2010 04:19:46 +0100 (CET)
From: Alexander Best <alexbestms@wwu.de>
To: <freebsd-hackers@FreeBSD.org>
Subject: [patch] extending {amd64|i386} cpu info
Message-ID: <permail-2010022703194680e26a0b00002027-a_best01@message-id.uni-muenster.de>
next in thread | raw e-mail | index | archive | help
[-- Attachment #1 --]
hi there,
i always forget how to decipher model and family from the cpu id. of course
there're 3rd party tools to do that for you, but instead i decided to hack the
kernel. ;)
maybe somebody finds these changes useful.
cheers.
alex
[-- Attachment #2 --]
Index: sys/amd64/amd64/identcpu.c
===================================================================
--- sys/amd64/amd64/identcpu.c (revision 204383)
+++ sys/amd64/amd64/identcpu.c (working copy)
@@ -187,7 +187,12 @@
if (cpu_vendor_id == CPU_VENDOR_INTEL ||
cpu_vendor_id == CPU_VENDOR_AMD ||
cpu_vendor_id == CPU_VENDOR_CENTAUR) {
- printf(" Stepping = %u", cpu_id & 0xf);
+ printf(" Stepping = %u"
+ " Model = %u"
+ " Family = %u",
+ cpu_id & CPUID_STEPPING,
+ CPUID_TO_MODEL(cpu_id),
+ CPUID_TO_FAMILY(cpu_id));
if (cpu_high > 0) {
/*
Index: sys/i386/i386/identcpu.c
===================================================================
--- sys/i386/i386/identcpu.c (revision 204383)
+++ sys/i386/i386/identcpu.c (working copy)
@@ -672,7 +672,12 @@
cpu_vendor_id == CPU_VENDOR_NSC ||
(cpu_vendor_id == CPU_VENDOR_CYRIX &&
((cpu_id & 0xf00) > 0x500))) {
- printf(" Stepping = %u", cpu_id & 0xf);
+ printf(" Stepping = %u"
+ " Model = %u"
+ " Family = %u",
+ cpu_id & CPUID_STEPPING,
+ CPUID_TO_MODEL(cpu_id),
+ CPUID_TO_FAMILY(cpu_id));
if (cpu_vendor_id == CPU_VENDOR_CYRIX)
printf(" DIR=0x%04x", cyrix_did);
if (cpu_high > 0) {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?permail-2010022703194680e26a0b00002027-a_best01>