[Libre-soc-bugs] [Bug 1253] change openpower-isa.git to use v3.1B definition of sync instruction and L and SC fields.

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Jan 16 09:39:00 GMT 2024


https://bugs.libre-soc.org/show_bug.cgi?id=1253

--- Comment #1 from Jacob Lifshay <programmerjake at gmail.com> ---
I initially attempted to just expand L (named L2) and add SC, but ran into the
issue that there are some entries in fields.text that I have no idea why
they're there:

# 1.6.7 X-FORM
    |0     |6 |7|8|9  |10  |11|12|13  |15|16|17     |20|21    |31  |
    | PO   |  /// | L2     | /|     E    |     ///     |   XO |  / |

I couldn't find this in the v3.1B spec or find the E field anywhere else in
openpower-isa.git, so I gave up for now and just switched sync to the v3.0B
version, which should work well enough for now.

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