i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86: add cpuid feature 6 flags

Browse Source 
Signed-off-by: Fredrik Holmqvist <[email protected]>
This commit is contained in:
Yongcong Du
2012-04-22 21:03:57 +02:00
committed by Fredrik Holmqvist
parent b8c19d314d
commit 45cf3294b2
2 changed files with 37 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/system/kernel/arch/x86/arch_cpu.cpp
+19
View File
@@ -516,6 +516,22 @@ dump_feature_string(int currentCPU, cpu_ent *cpu)
strlcat(features, "3dnowext ", sizeof(features));
if (cpu->arch.feature[FEATURE_EXT_AMD] & IA32_FEATURE_AMD_EXT_3DNOW)
strlcat(features, "3dnow ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_DTS)
strlcat(features, "dts ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_ITB)
strlcat(features, "itb ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_ARAT)
strlcat(features, "arat ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_PLN)
strlcat(features, "pln ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_ECMD)
strlcat(features, "ecmd ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_EAX] & IA32_FEATURE_PTM)
strlcat(features, "ptm ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_ECX] & IA32_FEATURE_APERFMPERF)
strlcat(features, "aperfmperf ", sizeof(features));
if (cpu->arch.feature[FEATURE_6_ECX] & IA32_FEATURE_EPB)
strlcat(features, "epb ", sizeof(features));
dprintf("CPU %d: features: %s\n", currentCPU, features);
}
@@ -625,6 +641,9 @@ detect_cpu(int currentCPU)
get_current_cpuid(&cpuid, 0x80000001);
cpu->arch.feature[FEATURE_EXT_AMD] = cpuid.regs.edx; // edx
}
get_current_cpuid(&cpuid, 6);
cpu->arch.feature[FEATURE_6_EAX] = cpuid.regs.eax;
cpu->arch.feature[FEATURE_6_ECX] = cpuid.regs.ecx;
#if DUMP_FEATURE_STRING
dump_feature_string(currentCPU, cpu);