From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 5 Sep 2025 09:41:46 +0000 (+0200)
Subject: target/sparc: Loosen decode of RDTBR for v7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6ff52f9dee064d3c2138426834320f5877863d9b;p=thirdparty%2Fqemu.git

target/sparc: Loosen decode of RDTBR for v7

For v7, bits [18:0] are ignored.
For v8, bits [18:14] are reserved and bits [13:0] are ignored.

Fixes: e8325dc02d0 ("target/sparc: Move RDTBR, FLUSHW to decodetree")
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 77b2f54fdf9..242ec420161 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -226,7 +226,7 @@ WRPR_strand_status  10 11010 110010 ..... . .............  @n_r_ri
 
 {
   FLUSHW    10 00000 101011 00000 0 0000000000000
-  RDTBR     10 rd:5  101011 00000 0 0000000000000
+  RDTBR     10 rd:5  101011 ----- - -------------
 }
 
 {