修订 1.1 9 www.国家的.com
表格 的 内容 (
持续
)
Geode™ GXLV 处理器 序列
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 = 80000002h, 80000003h, 80000004h . . . . . . . . . 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