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cpu.x86: Some calls to CPUID take a parameter in ECX. Add cpuid-extended to allow these.

db4
Doug Coleman 2012-09-19 11:30:54 -07:00
parent e45f0ec9e2
commit e97c8971a5
3 changed files with 13 additions and 8 deletions
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7
basis/cpu/x86/32/32.factor
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@ -230,13 +230,14 @@ M: x86.32 flatten-struct-type
M: x86.32 struct-return-on-stack? os linux? not ;
M: x86.32 (cpuid) ( n regs -- )
void { uint void* } cdecl [
M: x86.32 (cpuid) ( eax ecx regs -- )
void { uint uint void* } cdecl [
! Save ds-reg, rs-reg
EDI PUSH
EAX ESP 4 [+] MOV
ECX ESP 8 [+] MOV
CPUID
EDI ESP 8 [+] MOV
EDI ESP 12 [+] MOV
EDI [] EAX MOV
EDI 4 [+] EBX MOV
EDI 8 [+] ECX MOV

7
basis/cpu/x86/64/64.factor
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@ -131,10 +131,11 @@ M: x86.64 float-on-stack? f ;
M: x86.64 struct-return-on-stack? f ;
M: x86.64 (cpuid) ( n regs -- )
void { uint void* } cdecl [
M: x86.64 (cpuid) ( rax rcx regs -- )
void { uint uint void* } cdecl [
RAX param-reg-0 MOV
RSI param-reg-1 MOV
RCX param-reg-1 MOV
RSI param-reg-2 MOV
CPUID
RSI [] EAX MOV
RSI 4 [+] EBX MOV

7
basis/cpu/x86/features/features.factor
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@ -85,11 +85,14 @@ MEMO: sse-version ( -- n )
: sse4.1? ( -- ? ) sse-version 41 >= ;
: sse4.2? ( -- ? ) sse-version 42 >= ;
HOOK: (cpuid) cpu ( n regs -- )
HOOK: (cpuid) cpu ( rax rcx regs -- )
: cpuid ( n -- 4array )
: cpuid-extended ( rax rcx -- 4array )
4 <uint-array> [ (cpuid) ] keep >array ;
: 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 ;