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Aarch32

释义 Definition

AArch32 指 ARM 体系结构中的 32 位执行状态/指令集架构（ISA）环境，常见于 ARMv7 及部分 ARMv8 处理器的 32 位模式下；与 64 位的 AArch64 相对。（该术语主要用于计算机体系结构与操作系统/编译器语境。）

发音 Pronunciation (IPA)

/erk θrti tu/

例句 Examples

I built a 32-bit image for AArch32.
我为 AArch32 构建了一个 32 位镜像。

Although the chip supports AArch64, the bootloader starts in AArch32 for legacy compatibility, so the kernel must handle a 32-bit entry path.
尽管芯片支持 AArch64，引导程序为了兼容旧系统会先以 AArch32 启动，因此内核必须处理 32 位入口流程。

词源 Etymology

AArch32 来自 “ARM Architecture（ARM 架构）” 的缩写形式 “AArch”，后接 “32” 表示 32 位。该命名在 ARMv8 等文档中用来区分同一处理器可能支持的两种执行状态：AArch32（32 位）与 AArch64（64 位）。

相关词 Related Words

文学/作品出处 Literary Works

Arm Architecture Reference Manual for Armv8-A（ARM 官方架构参考手册，频繁使用 AArch32/AArch64 术语）
Linux Kernel Documentation（Linux 内核文档中涉及 ARM 32 位支持与启动流程时常见）
U-Boot Documentation（U-Boot 引导加载器文档中涉及不同架构/位宽启动时常见）

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