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authorCosta Shulyupin <costa.shul@redhat.com>2023-07-25 07:38:03 +0300
committerJonathan Corbet <corbet@lwn.net>2023-08-18 20:03:52 +0300
commitec62a746b65363f6078fb1eefc7faffe1a4cdc38 (patch)
treef942f375b8ea431c3e7e0bf297b2e7a4685f295b /Documentation/translations/zh_CN/mips/booting.rst
parent51712e49b434950b6317188f88696556c277b10d (diff)
downloadlinux-ec62a746b65363f6078fb1eefc7faffe1a4cdc38.tar.xz
docs: move mips under arch
and fix all in-tree references. Architecture-specific documentation is being moved into Documentation/arch/ as a way of cleaning up the top-level documentation directory and making the docs hierarchy more closely match the source hierarchy. Signed-off-by: Costa Shulyupin <costa.shul@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20230725043835.2249678-1-costa.shul@redhat.com
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-.. SPDX-License-Identifier: GPL-2.0
-
-.. include:: ../disclaimer-zh_CN.rst
-
-:Original: Documentation/mips/booting.rst
-
-:翻译:
-
- 司延腾 Yanteng Si <siyanteng@loongson.cn>
-
-.. _cn_booting:
-
-BMIPS设备树引导
-------------------------
-
- 一些bootloaders只支持在内核镜像开始地址处的单一入口点。而其它
- bootloaders将跳转到ELF的开始地址处。两种方案都支持的;因为
- CONFIG_BOOT_RAW=y and CONFIG_NO_EXCEPT_FILL=y, 所以第一条指令
- 会立即跳转到kernel_entry()入口处执行。
-
- 与arch/arm情况(b)类似,dt感知的引导加载程序需要设置以下寄存器:
-
- a0 : 0
-
- a1 : 0xffffffff
-
- a2 : RAM中指向设备树块的物理指针(在chapterII中定义)。
- 设备树可以位于前512MB物理地址空间(0x00000000 -
- 0x1fffffff)的任何位置,以64位边界对齐。
-
- 传统bootloaders不会使用这样的约定,并且它们不传入DT块。
- 在这种情况下,Linux将通过选中CONFIG_DT_*查找DTB。
-
- 以上约定只在32位系统中定义,因为目前没有任何64位的BMIPS实现。