ARM & THUMB ARM processors have two main states they can operate in (let’s not count Jazelle here), ARM and Thumb. These states have nothing to do with privilege levels. For exam...
MEMORY INSTRUCTIONS: LOAD AND STORE ARM uses a load-store model for memory access which means that only load/store (LDR and STR) instructions can access memory. While on x86 most...
语法: 功能: 示例: 语法: .align {alignment} {, fill} {, max} 参数:{…} 大括号表示可选项;alignment 可选项. 对齐的字节数(默认值为4,最小也就是4了),计算公式: 2alignment2^{alignment} 2 a l i g n m e n t ...
ARM(A dvanced R ISC M achines),既可以认为是一个公司的名字,也可以认为是对一类微处理器的通称。 ARM公司是知识产权供应商,是设计公司,本身不生产销售芯片,而是设计出高效的IP内核,授权给各个半导体公司使用。由于ARM内核耗电少、成本低、功能强,得到了众多半导体厂家的大力支持,包括TI、Philips、Intel、Samsun...