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cpu.x86: Use bit-range, don't call cpuid so many times

db4
Doug Coleman 2012-09-19 14:55:28 -07:00
parent 2735d3a5d7
commit d196f8f141
1 changed files with 22 additions and 9 deletions
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31
basis/cpu/x86/features/features.factor
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@ -93,18 +93,31 @@ HOOK: (cpuid) cpu ( rax rcx regs -- )
: cpuid ( rax -- 4array ) 0 cpuid-extended ;
: cpu-stepping ( -- n ) 1 cpuid first 4 bits ;
: cpu-model ( -- n ) 1 cpuid first -4 shift 4 bits ;
: cpu-family ( -- n ) 1 cpuid first -8 shift 4 bits ;
: cpu-processor-type ( -- n ) 1 cpuid first -12 shift 2 bits ;
: cpu-extended-model ( -- n ) 1 cpuid first -16 shift 4 bits ;
: cpu-extended-family ( -- n ) 1 cpuid first -20 shift 8 bits ;
: cpuid-processor-info ( -- eax ) 1 cpuid first ; inline
: parse-stepping ( eax -- n ) 3 0 bit-range ; inline
: parse-model ( eax -- n ) 7 4 bit-range ; inline
: parse-family ( eax -- n ) 11 8 bit-range ; inline
: parse-processor-type ( eax -- n ) 13 12 bit-range ; inline
: parse-extended-model ( eax -- n ) 19 16 bit-range ; inline
: parse-extended-family ( eax -- n ) 27 20 bit-range ; inline
: cpu-stepping ( -- n ) cpuid-processor-info parse-stepping ;
: cpu-model ( -- n ) cpuid-processor-info parse-model ;
: cpu-family ( -- n ) cpuid-processor-info parse-family ;
: cpu-processor-type ( -- n ) cpuid-processor-info parse-processor-type ;
: cpu-extended-model ( -- n ) cpuid-processor-info parse-extended-model ;
: cpu-extended-family ( -- n ) cpuid-processor-info parse-extended-family ;
: cpu-family-model-string ( -- string )
[
cpu-extended-family cpu-family [ >hex ] bi@
"_"
cpu-extended-model cpu-model [ >hex ] bi@
cpuid-processor-info {
[ parse-extended-family >hex ]
[ parse-family >hex ]
[ drop "_" ]
[ parse-extended-model >hex ]
[ parse-model >hex ]
} cleave
] "" append-outputs-as ;
: popcnt? ( -- ? )