https://deguiliu.github.io/tech-notes/tags/mmio/Recent content in MMIO on 技术笔记Hugo -- 0.168.0zh-cnSun, 20 Sep 2026 08:00:00 +0000https://deguiliu.github.io/tech-notes/posts/architecture/embedded_sd_boot_load_flow/Sun, 20 Sep 2026 08:00:00 +0000https://deguiliu.github.io/tech-notes/posts/architecture/embedded_sd_boot_load_flow/上电时已插入的 SD 卡不会产生检测跳变，驱动需主动查询 CDETECT，再通过检测线程、识别线程与文件系统完成挂载。