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doc: usb legacy support
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kernel/process_management/index
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kernel/process_management/index
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kernel/filesystem/index
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kernel/filesystem/index
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kernel/debug/index
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kernel/debug/index
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kernel/cpu_arch/index
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.. toctree::
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处理器架构
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该部分文档提供了和处理器架构相关的一些编程实现细节的描述。
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:maxdepth: 1
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:caption: 目录
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x86_64/index
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docs/kernel/cpu_arch/x86_64/index.rst
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x86-64相关文档
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:caption: 目录
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usb_legacy_support
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docs/kernel/cpu_arch/x86_64/usb_legacy_support.md
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# USB Legacy支持
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## 简介
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  usb legacy support指的是,由BIOS提供的,对USB鼠标、USB键盘的支持。在支持并启用USB Legacy Support的计算机上,USB鼠标、键盘由BIOS提供模拟,在操作系统看来,就像接入了PS/2鼠标、键盘一样。
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## 相关
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- 在初始化USB控制器时,需要关闭它的USB Legacy Support
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:caption: 目录
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:caption: 目录
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kernel_api
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traceback
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