[coreboot] New patch to review for coreboot: 9f73df7 X86: fix cpu_phys_address_size()

Sven Schnelle (svens@stackframe.org) gerrit at coreboot.org
Tue Jan 31 22:11:44 CET 2012


Sven Schnelle (svens at stackframe.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/599

-gerrit

commit 9f73df7837c00d07a4f29527c2d10308d708209b
Author: Sven Schnelle <svens at stackframe.org>
Date:   Tue Jan 31 22:10:28 2012 +0100

    X86: fix cpu_phys_address_size()
    
    CPUs with CPUID level >= 0x80000008 can return
    the number of physical address bits.
    
    Change-Id: I1c0523b6a091c476af838d173ed9030280360d7f
    Signed-off-by: Sven Schnelle <svens at stackframe.org>
---
 src/arch/x86/lib/cpu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/arch/x86/lib/cpu.c b/src/arch/x86/lib/cpu.c
index aaa0a16..ada57e2 100644
--- a/src/arch/x86/lib/cpu.c
+++ b/src/arch/x86/lib/cpu.c
@@ -144,7 +144,7 @@ int cpu_phys_address_size(void)
 	if (!(have_cpuid_p()))
 		return 32;
 
-	if (cpu_cpuid_extended_level() > 0x80000008)
+	if (cpu_cpuid_extended_level() >= 0x80000008)
 		return cpuid_eax(0x80000008) & 0xff;
 
 	if (cpuid_eax(1) & (CPUID_FEATURE_PAE | CPUID_FEATURE_PSE36))




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