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Hardcode many cpu features for x86/64 -- we know 64-bit
cpus have many features by default. Signed-off-by: Keir Fraser <keir@xensource.com>
This commit is contained in:
kaf24@firebug.cl.cam.ac.uk committed
1 parent
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commit
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1 file changed
+24
-6
@@ -94,7 +94,7 @@
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#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
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#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
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#define cpu_has_fpu boot_cpu_has(X86_FEATURE_FPU)
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#ifdef __i386__
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#define cpu_has_vme boot_cpu_has(X86_FEATURE_VME)
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#define cpu_has_de boot_cpu_has(X86_FEATURE_DE)
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#define cpu_has_pse boot_cpu_has(X86_FEATURE_PSE)
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@@ -102,7 +102,6 @@
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#define cpu_has_pae boot_cpu_has(X86_FEATURE_PAE)
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#define cpu_has_pge boot_cpu_has(X86_FEATURE_PGE)
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#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
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#define cpu_has_sep boot_cpu_has(X86_FEATURE_SEP)
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#define cpu_has_mtrr boot_cpu_has(X86_FEATURE_MTRR)
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#define cpu_has_mmx boot_cpu_has(X86_FEATURE_MMX)
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#define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR)
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@@ -115,10 +114,29 @@
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#define cpu_has_k6_mtrr boot_cpu_has(X86_FEATURE_K6_MTRR)
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#define cpu_has_cyrix_arr boot_cpu_has(X86_FEATURE_CYRIX_ARR)
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#define cpu_has_centaur_mcr boot_cpu_has(X86_FEATURE_CENTAUR_MCR)
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#define cpu_has_xstore boot_cpu_has(X86_FEATURE_XSTORE)
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#define cpu_has_xstore_enabled boot_cpu_has(X86_FEATURE_XSTORE_EN)
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#define cpu_has_xcrypt boot_cpu_has(X86_FEATURE_XCRYPT)
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#define cpu_has_xcrypt_enabled boot_cpu_has(X86_FEATURE_XCRYPT_EN)
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#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH)
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#else /* __x86_64__ */
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#define cpu_has_vme 0
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#define cpu_has_de 1
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#define cpu_has_pse 1
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#define cpu_has_tsc 1
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#define cpu_has_pae 1
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#define cpu_has_pge 1
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#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
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#define cpu_has_mtrr 1
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#define cpu_has_mmx 1
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#define cpu_has_fxsr 1
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#define cpu_has_xmm 1
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#define cpu_has_xmm2 1
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#define cpu_has_xmm3 boot_cpu_has(X86_FEATURE_XMM3)
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#define cpu_has_ht boot_cpu_has(X86_FEATURE_HT)
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#define cpu_has_mp 1
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#define cpu_has_nx boot_cpu_has(X86_FEATURE_NX)
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#define cpu_has_k6_mtrr 0
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#define cpu_has_cyrix_arr 0
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#define cpu_has_centaur_mcr 0
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#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH)
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#endif
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#endif /* __ASM_I386_CPUFEATURE_H */
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