[src/trunk]: src/sys/arch/i386/i386 Initialize cpuid_level at compile-time, n...

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9cc268ad9cb8
branches:  trunk
changeset: 345660:9cc268ad9cb8
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Jun 04 09:52:41 2016 +0000

description:
Initialize cpuid_level at compile-time, not run-time. Same as amd64.

diffstat:

 sys/arch/i386/i386/locore.S |  8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diffs (36 lines):

diff -r 050a34a23f70 -r 9cc268ad9cb8 sys/arch/i386/i386/locore.S
--- a/sys/arch/i386/i386/locore.S       Sat Jun 04 09:45:57 2016 +0000
+++ b/sys/arch/i386/i386/locore.S       Sat Jun 04 09:52:41 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.127 2016/06/04 09:45:57 maxv Exp $        */
+/*     $NetBSD: locore.S,v 1.128 2016/06/04 09:52:41 maxv Exp $        */
 
 /*
  * Copyright-o-rama!
@@ -128,7 +128,7 @@
  */
 
 #include <machine/asm.h>
-__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.127 2016/06/04 09:45:57 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.128 2016/06/04 09:52:41 maxv Exp $");
 
 #include "opt_compat_oldboot.h"
 #include "opt_copy_symtab.h"
@@ -317,7 +317,7 @@
 LABEL(cputype)         .long   0       /* are we 80486, Pentium, or.. */
 END(cputype)
        .type   _C_LABEL(cpuid_level), @object
-LABEL(cpuid_level)     .long   0       /* max. level accepted by cpuid instr */
+LABEL(cpuid_level)     .long   -1      /* max. level accepted by cpuid instr */
 END(cpuid_level)
        .type   _C_LABEL(atdevbase), @object
 LABEL(atdevbase)       .long   0       /* location of start of iomem in virt */
@@ -402,8 +402,6 @@
        xorl    %eax,%eax
        movw    %ax,%fs
        movw    %ax,%gs
-       decl    %eax
-       movl    %eax,RELOC(cpuid_level)
 
        /* Find out our CPU type. */