diff options
| author | Mike Larkin <mlarkin@cvs.openbsd.org> | 2016-10-13 09:01:05 +0000 |
|---|---|---|
| committer | Mike Larkin <mlarkin@cvs.openbsd.org> | 2016-10-13 09:01:05 +0000 |
| commit | 4c0148b289be0d5eabed4e036684661f769c59fd (patch) | |
| tree | d48fb18c5aec350c29a9267d07361d90d1485fb7 /sys | |
| parent | 014200566d58188bc7ded6c15549ecff9a31dcaf (diff) | |
cache another feature bit for something I'm working on
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/i386/locore.s | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/arch/i386/i386/locore.s b/sys/arch/i386/i386/locore.s index 214c39f1bcc..82e4a1df64a 100644 --- a/sys/arch/i386/i386/locore.s +++ b/sys/arch/i386/i386/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.170 2016/07/16 06:04:29 mlarkin Exp $ */ +/* $OpenBSD: locore.s,v 1.171 2016/10/13 09:01:04 mlarkin Exp $ */ /* $NetBSD: locore.s,v 1.145 1996/05/03 19:41:19 christos Exp $ */ /*- @@ -178,7 +178,8 @@ .globl _C_LABEL(cpuid_level) .globl _C_LABEL(cpu_miscinfo) .globl _C_LABEL(cpu_feature), _C_LABEL(cpu_ecxfeature) - .globl _C_LABEL(ecpu_feature), _C_LABEL(ecpu_ecxfeature) + .globl _C_LABEL(ecpu_feature), _C_LABEL(ecpu_eaxfeature) + .globl _C_LABEL(ecpu_ecxfeature) .globl _C_LABEL(cpu_cache_eax), _C_LABEL(cpu_cache_ebx) .globl _C_LABEL(cpu_cache_ecx), _C_LABEL(cpu_cache_edx) .globl _C_LABEL(cpu_perf_eax) @@ -222,6 +223,7 @@ _C_LABEL(cpu_miscinfo): .long 0 # misc info (apic/brand id) from 'cpuid' _C_LABEL(cpu_feature): .long 0 # feature flags from 'cpuid' instruction _C_LABEL(ecpu_feature): .long 0 # extended feature flags from 'cpuid' _C_LABEL(cpu_ecxfeature):.long 0 # ecx feature flags from 'cpuid' +_C_LABEL(ecpu_eaxfeature): .long 0 # extended eax feature flags _C_LABEL(ecpu_ecxfeature): .long 0 # extended ecx feature flags _C_LABEL(cpuid_level): .long -1 # max. lvl accepted by 'cpuid' insn _C_LABEL(cpu_cache_eax):.long 0 @@ -447,6 +449,7 @@ try586: /* Use the `cpuid' instruction. */ jbe 2f movl $0x80000001,%eax cpuid + movl %eax,RELOC(_C_LABEL(ecpu_eaxfeature)) movl %edx,RELOC(_C_LABEL(ecpu_feature)) movl %ecx,RELOC(_C_LABEL(ecpu_ecxfeature)) movl $0x80000002,%eax |