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Geode™ GX1 处理器 序列
表格 的 内容
(持续)
8.0 instructionset.................................................... 213
8.1 generalinstructionsetformat.......................................213
8.1.1 prefix(optional) ...................................................214
8.1.2 opcode...........................................................214
8.1.2.1 wfield(operandsize)...............................................214
8.1.2.2 dfield(operanddirection) ...........................................214
8.1.2.3 sfield(immediatedatafieldsize).....................................215
8.1.2.4 eeefield(mov-instructionregisterselection)............................215
8.1.3 modandr/mbyte(memoryaddressing) .................................215
8.1.4 regField ..........................................................216
8.1.4.1 sreg2field(es,cs,ss,dsregisterselection)...........................216
8.1.4.2 sreg3field(fsandgssegmentregisterselection).......................216
8.1.5 s-i-bbyte(规模,indexing,根基) ......................................216
8.1.5.1 ssfield(scaleselection).............................................216
8.1.5.2 indexfield(indexselection) ..........................................217
8.1.5.3 basefield(s-i-bpresent).............................................217
8.2 CPUIDINSTRUCTION......................................................218
8.2.1 标准 CPUID 水平 . .............................................218
8.2.1.1 CPUIDInstructionwithEAX=00000000h ...............................218
8.2.1.2 CPUIDInstructionwithEAX=00000001h ...............................219
8.2.1.3 CPUIDInstructionwithEAX=00000002h ...............................219
8.2.2 extendedcpuidlevels..............................................220
8.2.2.1 CPUIDInstructionwithEAX=80000000h ...............................220
8.2.2.2 CPUIDInstructionwithEAX=80000001h ...............................220
8.2.2.3 CPUID 操作指南 和 EAX = 8000 0002h, 8000 0003h, 8000 0004h . . . . . . . . . . 221
8.2.2.4 CPUIDInstructionwithEAX=80000005h ...............................221
8.3 PROCESSORCOREINSTRUCTIONSET ......................................222
8.3.1 Opcodes ..........................................................222
8.3.2 ClockCounts ......................................................222
8.3.3 Flags ............................................................222
8.4 FPUINSTRUCTIONSET....................................................234
8.5 MMXINSTRUCTIONSET ...................................................239
8.6 EXTENDEDMMXINSTRUCTIONSET.........................................244
附录 一个 支持 必备资料 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
一个.1 ORDERINFORMATION ....................................................246
一个.2 DATABOOKREVISIONHISTORY ............................................246
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