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aa3457f22fThe XIP_FIXUP macro is used to fix addresses early during boot before MMU: generated code "thinks" the data section is in ROM while it is actually in RAM. So this macro corrects the addresses in the data section. This macro determines if the address needs to be fixed by checking if it is within the range starting from ROM address up to the size of (2 * XIP_OFFSET). This means if the kernel size is bigger than (2 * XIP_OFFSET), some addresses would not be fixed up. XIP kernel can still work if the above scenario does not happen. But this macro is obviously incorrect. Rewrite this macro to only fix up addresses within the data section. Signed-off-by: Nam Cao <namcao@linutronix.de> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/95f50a4ec8204ec4fcbf2a80c9addea0e0609e3b.1717789719.git.namcao@linutronix.de Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.