From 04d104b61198615c259d1851684b2713213dcf99 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Mon, 22 Apr 2013 16:00:16 -0300 Subject: target-i386: Add ECX information to FeatureWordInfo MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit FEAT_7_0_EBX uses ECX as input, so we have to take that into account when reporting feature word values. Signed-off-by: Eduardo Habkost Signed-off-by: Andreas Färber --- target-i386/cpu.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'target-i386/cpu.c') diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 9f2adad805..0f924696f9 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -152,8 +152,10 @@ static const char *cpuid_7_0_ebx_feature_name[] = { typedef struct FeatureWordInfo { const char **feat_names; - uint32_t cpuid_eax; /* Input EAX for CPUID */ - int cpuid_reg; /* R_* register constant */ + uint32_t cpuid_eax; /* Input EAX for CPUID */ + bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */ + uint32_t cpuid_ecx; /* Input ECX value for CPUID */ + int cpuid_reg; /* output register (R_* constant) */ } FeatureWordInfo; static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { @@ -187,7 +189,9 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { }, [FEAT_7_0_EBX] = { .feat_names = cpuid_7_0_ebx_feature_name, - .cpuid_eax = 7, .cpuid_reg = R_EBX, + .cpuid_eax = 7, + .cpuid_needs_ecx = true, .cpuid_ecx = 0, + .cpuid_reg = R_EBX, }, }; -- cgit v1.2.1