ARM学习书籍或者思路总结,以XMIND 为形式,构建思维大厦,蛰伏与积累,下面补充对XMIND的描述
D1.1 Exception levels
D1.1.1 Typical Exception level usage model
D1.2.5 Definitions of synchronous and asynchronous exceptions
D1.3 Execution state
• Using AArch64 when execution in that Exception level is in the AArch64 Execution state.
• Using AArch32 when execution in that Exception level is in the AArch32 Execution state.
D1.4 Security state
D1.5 Virtualization
D1.5.1 The effect of implementing EL2 on the Exception model
D1.6 Registers for instruction processing and exception handling
D1.7 Process state, PSTATE
D1.8 Program counter and stack pointer alignment
D1.8.1 PC alignment checking
D1.8.2 SP alignment checking
D1.9 Reset
IRQ(Interrupt Request):指中断模式。
FIQ(Fast Interrupt Request):指快速中断模式。
IRQ与FIQ是ARM处理器的两种不同编程模式(ARM有7种处理模式)。
D1.10.4 Exception classes and the ESR_ELx syndrome registers
查具体是什么异常的寄存器