Hacker

文章目录1 MMU1.1 MMU main functions1.2 AArch32 vs. AArch641.3 TLB organization1.3.1 L1 TLB1.3.2 L2 TLB1.3.3 IPA Cache RAM1.3.4 Walk Cache RAM1.4 TLB match process1.5 Translation table walks2 L1 memory system3 L2 memory system 1 MMU 1.1 MMU main functions 控制.

文章目录IntroductionVoltage domainsPower domainsArchitecture clock gatingPower modesPowerdown sequenceDebug over powerdown Introduction Voltage domains CA55有两个Voltage domain: Vcpu 和 Vsys。 Power domains Architecture clock gating WFI和WFE指令让系统关闭top level的c.

CA55实现了： ARMv8.1-A扩展 ARMv8.2-A扩展 RAS扩展 ARMv8.3-A扩展的Load acquire（LDAPR）指令 ARMv8.4-A扩展的dot product指令 具体的feature列表如下： Core features Full implementation of the Armv8.2‑A A64, A32, and T32 instruction sets oth the AArch32 and AArch64 execution states at all