[Stable-10.0.5 28/38] target/sparc: Loosen decode of RDPSR for v7

Michael Tokarev posted 38 patches 2 days, 2 hours ago
[Stable-10.0.5 28/38] target/sparc: Loosen decode of RDPSR for v7
Posted by Michael Tokarev 2 days, 2 hours ago
From: Richard Henderson <richard.henderson@linaro.org>

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

Fixes: 668bb9b755e ("target/sparc: Move RDPSR, RDHPR to decodetree")
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit a0345f628394fbd001276c80fd02c8ad0d1b7ee2)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 74848996ae..1c6403ad8a 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -158,14 +158,16 @@ CALL    01 i:s30
 }
 
 {
-  RDPSR             10 rd:5  101001 00000 0 0000000000000
-  RDHPR_hpstate     10 rd:5  101001 00000 0 0000000000000
+  [
+    RDHPR_hpstate       10 rd:5  101001 00000 0 0000000000000
+    RDHPR_htstate       10 rd:5  101001 00001 0 0000000000000
+    RDHPR_hintp         10 rd:5  101001 00011 0 0000000000000
+    RDHPR_htba          10 rd:5  101001 00101 0 0000000000000
+    RDHPR_hver          10 rd:5  101001 00110 0 0000000000000
+    RDHPR_hstick_cmpr   10 rd:5  101001 11111 0 0000000000000
+  ]
+  RDPSR                 10 rd:5  101001 ----- - -------------
 }
-RDHPR_htstate       10 rd:5  101001 00001 0 0000000000000
-RDHPR_hintp         10 rd:5  101001 00011 0 0000000000000
-RDHPR_htba          10 rd:5  101001 00101 0 0000000000000
-RDHPR_hver          10 rd:5  101001 00110 0 0000000000000
-RDHPR_hstick_cmpr   10 rd:5  101001 11111 0 0000000000000
 
 {
   WRPSR             10 00000 110001 ..... . .............  @n_r_ri
-- 
2.47.3