锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
EM64T鎶鏈?br>
Intel瀹樻柟鏄粰EM64T榪欐牱瀹氫箟鐨勶細(xì)EM64T鍏ㄧОExtended Memory
64 Technology錛屽嵆鎵╁睍64bit鍐呭瓨鎶鏈侲M64T鏄疘ntel IA-32鏋舵瀯鐨勬墿灞曪紝鍗矷A-32e錛圛ntel
Architectur-32
extension錛夈侷A-32澶勭悊鍣ㄩ氳繃闄勫姞EM64T鎶鏈紝渚垮彲鍦ㄥ吋瀹笽A-32杞歡鐨勬儏鍐典笅錛屽厑璁歌蔣浠跺埄鐢ㄦ洿澶氱殑鍐呭瓨鍦板潃絀洪棿錛屽茍涓斿厑璁歌蔣浠惰繘琛?
32 bit綰挎у湴鍧鍐欏叆銆侲M64T鐗瑰埆寮鴻皟鐨勬槸瀵?2 bit鍜?4 bit鐨勫吋瀹規(guī)с侷ntel涓烘柊鏍稿績澧炲姞浜?涓?4 bit
GPRs錛圧8-R15錛夛紝騫朵笖鎶婂師鏈塆RPs鍏ㄩ儴鎵╁睍涓?4 bit錛屽鍓嶆枃鎵榪拌繖鏍峰彲浠ユ彁楂樻暣鏁拌繍綆楄兘鍔涖傚鍔?涓?28bit
SSE瀵勫瓨鍣紙XMM8-XMM15錛夛紝鏄負(fù)浜嗗寮哄濯掍綋鎬ц兘錛屽寘鎷SSE銆丼SE2鍜孲SE3鐨勬敮鎸併?br>
Intel涓烘敮鎸丒M64T鎶鏈殑澶勭悊鍣ㄨ璁′簡涓ゅぇ妯″紡錛氫紶緇烮A-32妯″紡錛坙egacy
IA-32 mode錛夊拰IA-32e鎵╁睍妯″紡錛圛A-32e
mode錛夈傚湪鏀寔EM64T鎶鏈殑澶勭悊鍣ㄥ唴鏈変竴涓О涔嬩負(fù)鎵╁睍鍔熻兘嬋媧誨瘎瀛樺櫒錛坋xtended feature enable
register錛孖A32_EFER錛夌殑閮ㄤ歡錛屽叾涓殑Bit10鎺у埗鐫EM64T鏄惁嬋媧匯侭it10琚О浣淚A-32e妯″紡鏈夋晥錛圛A-32e
mode active錛夋垨闀挎ā寮忔湁鏁堬紙long mode active錛孡MA)銆傚綋LMA錛?鏃訛紝澶勭悊鍣ㄤ究浣滀負(fù)涓棰楁爣鍑嗙殑32
bit錛圛A32錛夊鐞嗗櫒榪愯鍦ㄤ紶緇烮A-32妯″紡錛涘綋LMA錛?鏃訛紝EM64T渚胯嬋媧伙紝澶勭悊鍣ㄤ細(xì)榪愯鍦↖A-32e鎵╁睍妯″紡涓嬨?br>
鐩墠AMD鏂歸潰鏀寔64浣嶆妧鏈殑CPU鏈堿thlon 64緋誨垪銆丄thlon
FX緋誨垪鍜孫pteron緋誨垪銆侷ntel鏂歸潰鏀寔64浣嶆妧鏈殑CPU鏈変嬌鐢∟ocona鏍稿績鐨刋eon緋誨垪銆佷嬌鐢≒rescott
2M鏍稿績鐨凱entium 4 6緋誨垪鍜屼嬌鐢≒rescott 2M鏍稿績鐨凱4 EE緋誨垪銆?br>
IA-32錛圛ntel Architecture-32錛夌О涓鴻嫳鐗瑰皵32浣嶇粨鏋勶紝琛ㄧず鎸囦護(hù)闆嗙粨鏋処SA錛圛nstruction Set Architecture錛夈?br>
IA-32澶勭悊鍣紙鎴栫О32浣?0x86澶勭悊鍣級(jí)灝辨槸鎸囧叿鏈夎鎸囦護(hù)闆嗙粨鏋勭殑澶勭悊鍣紝渚嬪鑻辯壒灝?dāng)鍏徃鐨?0386銆?0486浠ュ強(qiáng)Pentium鍚勪唬澶勭悊鍣ㄣ侫MD鐨?2浣嶅鐞嗗櫒鍏煎榪欎釜緇撴瀯銆?br>