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Geode™ GX1 处理器 序列
表格 的 内容
1.0 ArchitectureOverview.............................................. 10
1.1 INTEGERUNIT ............................................................11
1.2 FLOATINGPOINTUNIT .....................................................11
1.3 写-backcacheunit ..................................................11
1.4 MEMORYMANAGEMENTUNIT ...............................................11
1.5 internalbusinterfaceunit.............................................11
1.6 整体的 功能 . . . . ..............................................12
1.6.1 Graphics Accelerator . . . ..............................................12
1.6.2 DisplayController ....................................................12
1.6.3 XpressRAMMemorySubsystem ........................................12
1.6.4 PCIController.......................................................12
1.7 geodegx1/cs5530systemdesigns .......................................13
1.7.1 ReferenceDesigns...................................................16
2.0 signaldefinitions.................................................. 19
2.1 PINASSIGNMENTS ........................................................20
2.2 SIGNALDESCRIPTIONS ....................................................31
2.2.1 SystemInterfaceSignals ..............................................31
2.2.2 PCIInterfaceSignals .................................................33
2.2.3 MemoryControllerInterfaceSignals .....................................36
2.2.4 VideoInterfaceSignals ...............................................37
2.2.5 电源,地面,andnoconnectsignals..................................39
2.2.6 InternalTestandMeasurementSignals...................................39
3.0 ProcessorProgramming ............................................ 41
3.1 COREPROCESSORINITIALIZATION ..........................................41
3.2 instructionsetoverview...............................................42
3.2.1 LockPrefix .........................................................42
3.3 REGISTERSETS...........................................................43
3.3.1 ApplicationRegisterSet...............................................43
3.3.1.1 GeneralPurposeRegisters ............................................43
3.3.1.2 segmentregisters...................................................45
3.3.1.3 InstructionPointerRegister ............................................45
3.3.1.4 eflagsregister....................................................46
3.3.2 SystemRegisterSet .................................................47
3.3.2.1 ControlRegisters....................................................48
3.3.2.2 ConfigurationRegisters ...............................................50
3.3.2.3 debugregisters.....................................................55
3.3.2.4 tlbtestregisters...................................................57
3.3.2.5 cachetestregisters.................................................59
3.3.3 ModelSpecificRegister ...............................................62
3.3.4 TimeStampCounter .................................................62
3.4 addressspaces.........................................................63
3.4.1 i/oaddressspace ...................................................63
3.4.2 MemoryAddressSpace...............................................64
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