update mainly of the repo#1
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站点门面对齐 TAMCPP: - 首页升级 home layout(hero + 卡片网格 + 成熟度标记) - 新增学习路线图(mermaid 依赖图 + 逐层四段式) - 新增更新日志 changelogs/(v0.1.0: 通识基础 8 篇 + 基建) - 补齐 6 个 layer 首页(修顶栏 404 死链) - 页脚注入 git 版本号(build-info.ts) - 顶栏加路线图/更新日志入口 - build.ts 接入 changelogs/roadmap 分卷 完成度标记体系: - 教程 frontmatter maturity 字段(verified/drafting/growing) - foundations 8 篇 + guides 挂 verified CI 守护: - build-check.yml: PR/push 验证构建 + 死链检查 双轨 handbook 线起步: - mm-buddy 伙伴系统骨架(从笔记 ch7/ch8 整理,对外 🔨 整理中) - kernel 首页内存管理 📚→🔨
- build-examples.yml: matrix arm64+riscv,先编 vmlinux 生成完整 Module.symvers (modules_prepare 不够——不编 vmlinux,缺 _printk 等导出符号,hello.ko modpost 报 "_printk undefined"),缓存内核树(key 含 linux 子模块 SHA),再 build_examples.py 编 - build_examples.py: 发现 example/mini/*/Makefile + make ARCH= 编译 + 校验 .ko(ELF 机器 类型)+ 失败聚合(error 行)+ ::group:: 折叠 - arm32(工具链 -none- 命名坑)/x86_64(KDIR 指宿主内核)二期再补
- vmlinux/modules_prepare 都不 modpost → Module.symvers 缺 _printk → hello.ko modpost 报 "_printk undefined"。改 make modules(含 modpost vmlinux 阶段)。 第一次 CI 慢(~15min/架构),缓存后秒级。 - build_examples 架构校验改 readelf(file 对 arm64 输出 "ARM aarch64", 与大写 AArch64 匹配失败误判;本地 hello.ko 其实编通了)。
defconfig make modules 编到 arch/riscv/kvm/kvm.ko modpost 失败(该模块符号依赖 问题,与 hello 无关)。改 allnoconfig + 开 MODULES/PRINTK: - 无 =m 配置模块 → make modules 只 modpost vmlinux,不碰 kvm - allnoconfig vmlinux 极小,编译 ~3min(vs defconfig ~15min) - hello.c 只用 _printk(pr_info)+ module 宏,allnoconfig 内核够用
make modules 时 KBUILD_BUILTIN 为空 → 不 modpost vmlinux → Module.symvers 缺 _printk → hello.ko modpost 报 undefined(defconfig/allnoconfig 都一样)。 改用 make(默认,KBUILD_BUILTIN=1):modpost vmlinux 出完整 Module.symvers。 allnoconfig + MODULES + PRINTK,本地验证 Module.symvers 含 _printk(EXPORT_SYMBOL)。 无 =m 配置模块,不碰 riscv kvm,又快(allnoconfig vmlinux 小)又干净。
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