[ 9.215197] Exception class = DABT (current EL), IL = 32 bits[ 9.215199] SET = 0, FnV = 0[ 9.215201] EA = 0, S1PTW = 0[ 9.215202] Data abort info:[ 9.215203] ISV = 0, ISS = 0x00000004[ 9.215205] CM = 0, WnR = 0[ 9.215208] user pgtable: 4k pages, 48-bit VAs, pgd ...
ESR_ELx 一共包含4个字段。 - Bit [63:32]: 保留的位 - Bit [31:26]: 表示异常类(Exception Class, EC), 这个字段指示发生的异常的分类,同时用来索引 ISS 字段(Bit[24:0])。 - Bit [25]: 表示同步异常的指令长度(Instruction Length,IL)。 - Bit [24:0] :具体的异常指令综合(Instruction Specifi...
2.4 Data Abort (DABT) The processor takes the data abort if data should be read from or written to a protected or faulty memory location. This could be because of: • The memory location is not implemented • The memory location is read or write only in privileged mode (when processor...