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bd31e5026d
There are new control registers introduced in gfx10 used to configure
hardware watchpoints triggered by SMEM instructions:
SQ_WATCH{0,1,2,3}_{CNTL_ADDR_HI,ADDR_L}.
Those registers work in a similar way as the TCP_WATCH* registers
currently used for gfx9 and above.
This patch adds support to program the SQ_WATCH registers for gfx10.
The SQ_WATCH?_CNTL.MASK field has one bit more than
TCP_WATCH?_CNTL.MASK, so SQ watchpoints can have a finer granularity
than TCP_WATCH watchpoints. In this patch, we keep the capabilities
advertised to the debugger unchanged
(HSA_DBG_WATCH_ADDR_MASK_*_BIT_GFX10) as this reflects what both TCP and
SQ watchpoints can do and both watchpoints are configured together.
Signed-off-by: Lancelot SIX <lancelot.six@amd.com>
Reviewed-by: Jonathan Kim <jonathan.kim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.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.