Re: [PATCH V3 01/22] Documentation: LoongArch: Add basic documentations

From
Pavel Machek <hidden>
Date
2021-09-23 20:37:11
Also in
linux-arch, lkml
Reply to
Huacai Chen, 2021-09-17
Hi!
Add some basic documentations for LoongArch. LoongArch is a new RISC
... documentation ...
+wide in LA64. $r0 is always zero, and other registers has no special feature,
...have no special features...
+but we actually have an ABI register conversion as below.
convention?
quoted hunk ↗ jump to hunk
+``$r21``          ``$x``          Reserved            Unused
+``$r22``          ``$fp``         Frame pointer       Yes
+``$r23``-``$r31`` ``$s0``-``$s8`` Static registers    Yes
+================= =============== =================== ============
Not sure I know the term 'static registers' before.
								Pavel
Thread (51 messages) 51 messages, 6 authors, last reply 2021-09-24
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