Max Filippov 651d4aff68 xtensa: rearrange unaligned exception handler
- extract initialization part of the exception handler into a separate
  function.
- use single label for invalid instruction instead of two labels, one
  for load and one for store, at one place.
- use sext instruction for sign extension when available.
- store SAR on the stack instead of in a0.
- replace numeric labels for load and store writeback with .Lload_w and
  .Lstore_w respectively.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2023-06-13 21:56:27 -07:00
2023-05-19 13:56:26 -04:00
2022-09-28 09:02:20 +02:00
2023-06-11 14:35:30 -07:00

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 Restructured Text 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.
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