(2013/11/21 15:02), matthew green wrote: >> Module Name: src >> Committed By: msaitoh >> Date: Wed Nov 20 17:50:39 UTC 2013 >> >> Modified Files: >> src/sys/arch/x86/include: specialreg.h >> >> Log Message: >> - Add some AMD Fn80000001 extended features %ecx bits definitions from >> the document (AMD64 Architecture Programmer's Manual Volume 3: >> General-Purpose and >> System Instructions. Document revision 3.20) >> >> - "s/MXX/MMXX/" because this bit is "MMX eXtention". > > i thought it was Multi Media eXtension.
MMX: Fn00000001 %edx bit 23 (Intel and AMD) Fn80000001 %edx bit 23 (Same as Fn00000001 %edx, AMD only) AMD MMX Extension: Fn80000001 %edx bit 22 (AMD extensions to MMX instruction, AMD Only) See Pase 580 in AMD64 Architecture Programmer's manual Volume 3 revision 3.20 :) -- ----------------------------------------------- SAITOH Masanobu (msai...@execsw.org msai...@netbsd.org)