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slug: this-week-in-loongarch-42 | ||
title: 每周一龙:第 42 期 | ||
authors: [xen0n] | ||
date: 2024-03-25T23:50:00+08:00 | ||
tags: [每周一龙] | ||
--- | ||
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每周一都为大家报道 LoongArch 社区最前线的第一手新鲜资讯! | ||
上周的进展主要有 Linux 以及工具链。 | ||
详情点进来看! | ||
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如无特别说明,文中提及的日期、时间都为北京时间(UTC+8)。 | ||
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## 先「马」再看 {#marked-projects} | ||
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本栏目的内容具有一定延续性,将持续追踪报道 LoongArch 领域的重要或长期项目(坑)。 | ||
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### Linux {#linux} | ||
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Linux 6.9-rc1 已于北京时间周一清晨[发布](https://lore.kernel.org/lkml/CAHk-=wgOw_13JuuX4khpn4K+n09cRG3EBQWufAPBWoa0GLLQ0A@mail.gmail.com/)。 | ||
先前 3 月 22 日 Huacai Chen [发出了](https://lore.kernel.org/loongarch/[email protected]/)本开发周期的 | ||
LoongArch 架构相关变更,也顺利进入了主线。主要的变更有: | ||
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* 增加了 ORC stack unwinder 支持(Tiezhu Yang); | ||
* 增加了运行时补丁(livepatching)支持(Jinyang He); | ||
* [修复了](https://lore.kernel.org/linux-kernel/[email protected]/T/) | ||
`__my_cpu_offset` 被错误优化而可能导致的锁语义错误(龙芯与 AOSC); | ||
* 修复了两处 Kconfig 配置(Huacai Chen)。 | ||
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### 工具链 {#toolchain} | ||
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#### binutils {#binutils} | ||
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Tiezhu Yang 为 GDB [增加了](https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=53ff349e553fa9fc446a8711e37fd252282b088b) | ||
LoongArch 系统调用的调试支持。 | ||
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#### GCC {#gcc} | ||
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Jiahao Xu [计划移除](https://gcc.gnu.org/pipermail/gcc-patches/2024-March/648211.html) | ||
32 位 LoongArch 上 SIMD 扩展的编译器支持。这似乎意味着不会出现此类的 LoongArch | ||
硬件,或者说此类「跨界」的功能组合不被允许了。 | ||
在同一补丁中,Jiahao Xu 还为 `vpickve2gr.d[u]` 指令的模板增加了符合指令实际行为的符号或零扩展动作。 | ||
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#### LLVM {#llvm} | ||
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第 38 期周报[报道的](./2024-02-27-this-week-in-loongarch-38/index.md#llvm) | ||
`addrspacecast` 补丁,现已[往回移植到了](https://github.com/llvm/llvm-project/pull/86372) | ||
LLVM 18 分支,将于 4 月 16 日前后的 LLVM 18.1.3 正式发布。 | ||
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## 杂闻播报 {#assorted-news} | ||
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[yetist] [响应了](https://github.com/loongson-community/discussions/issues/5#issuecomment-2014708472)先前挂出的英雄帖——移植内存测试工具 | ||
memtest86+ 到 LoongArch:「已经开始研究了」。 | ||
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[ksco] [已在着手](https://github.com/ptitSeb/box64/commits/main/src/dynarec/la64)将 Box64 移植到 LoongArch64。 | ||
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[ksco]: https://github.com/ksco | ||
[yetist]: https://github.com/yetist | ||
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## 张贴栏 {#bulletin} | ||
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本栏目可供张贴公益性质的各种信息。 | ||
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* 您可在 GitHub [浏览](https://github.com/loongson-community/discussions/labels/%E8%8B%B1%E9%9B%84%E5%B8%96)目前所有开放的英雄帖。 | ||
* 本周报[持续接受网友投稿][call-for-submissions]。欢迎来上游坐坐! | ||
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[call-for-submissions]: https://github.com/loongson-community/areweloongyet/issues/16 |