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authorTsukasa OI <research_trasio@irq.a4lg.com>2022-04-23 15:42:16 +0900
committerBill Traynor <btraynor@gmail.com>2022-07-26 11:50:15 -0400
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Add single-letter "H" extension to the table
... and to the extension category list. The position of "H" is chosen for compatibility with Linux, QEMU and LLVM (LLVM requires a fix on "K" though). This is incompatible with Spike but will minimize changes to the software ecosystem.
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diff --git a/src/naming.tex b/src/naming.tex
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@@ -83,7 +83,7 @@ Chapter~\ref{chap:zifencei}; ``Zifencei2'' and ``Zifencei2p0'' name version
2.0 of same.
The first letter following the ``Z'' conventionally indicates the most closely
-related alphabetical extension category, IMAFDQCV. For the ``Zam''
+related alphabetical extension category, IMAFDQCVH. For the ``Zam''
extension for misaligned atomics, for example, the letter ``a'' indicates the
extension is related to the ``A'' standard extension. If multiple ``Z''
extensions are named, they should be ordered first by category, then
@@ -157,6 +157,7 @@ Quad-Precision Floating-Point & Q & D\\
16-bit Compressed Instructions & C & \\
Packed-SIMD Extensions & P & \\
Vector Extension & V & D \\
+Hypervisor Extension & H & \\
Control and Status Register Access & Zicsr & \\
Instruction-Fetch Fence & Zifencei & \\
Misaligned Atomics & Zam & A \\