openarch 0.4.0 - #236
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⭐ 0.4.0 在三台机器上通过了门槛,而这正是它从「适配」变成「抽象」的地方。riscv64 与 aarch64 都是弱内存序、定长指令的 RISC 机器 —— 一个同时适配两者的接口可能是因为 它对,也可能是因为它们像,在这两台上再怎么测都分不开。x86_64 两样都不是。⚠️ **这个 tarball 里有四个包,而消费者只指名一个。** 0.4.0 起仓库根同时是接口包与 workspace;ABI 契约与三个后端是同一个归档里用 path 到达的成员。`openarch = "0.4.0"` 就是消费者清单的全部,该 target 的后端经默认的 backend-auto feature 到达。 两端镜像逐字节核验一致(sha256 deda1814…)。
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三台机器(riscv64 / aarch64 / x86_64),一个包两个门面,后端由 feature 选择。
⭐ 第三台机器把门槛从「适配」变成了「抽象」。 两台 RISC 机器合起来分不开「接口对」和「它们像」;x86_64 变长指令、TSO、256 门中断表,一份探针源码三台机器输出逐字节相同。
需要 mcpp 2026.8.21.1(x86_64-none-elf 目标行)。两端镜像逐字节核验一致。