diff mbox series

[v5,25/94] target/sparc: Move RDTBR, FLUSHW to decodetree

Message ID 20231022232932.80507-26-richard.henderson@linaro.org
State Superseded
Headers show
Series target/sparc: Convert to decodetree | expand

Commit Message

Richard Henderson Oct. 22, 2023, 11:28 p.m. UTC 
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/insns.decode |  5 +++++
 target/sparc/translate.c  | 23 +++++++++++------------
 2 files changed, 16 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 7d91a7bc83..0b6f4c9c38 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -76,6 +76,11 @@  RDPR_gl             10 rd:5  101010 10000 0 0000000000000
 RDPR_strand_status  10 rd:5  101010 11010 0 0000000000000
 RDPR_ver            10 rd:5  101010 11111 0 0000000000000
 
+{
+  FLUSHW    10 00000 101011 00000 0 0000000000000
+  RDTBR     10 rd:5  101011 00000 0 0000000000000
+}
+
 Tcc_r       10 0 cond:4 111010 rs1:5 0 cc:1 0000000 rs2:5
 {
   # For v7, the entire simm13 field is present, but masked to 7 bits.
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 6e415d7070..67d3292e68 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -39,6 +39,7 @@ 
 #ifdef TARGET_SPARC64
 # define gen_helper_rdpsr(D, E)                 qemu_build_not_reached()
 #else
+# define gen_helper_flushw(E)                   qemu_build_not_reached()
 # define gen_helper_rdccr(D, E)                 qemu_build_not_reached()
 # define gen_helper_rdcwp(D, E)                 qemu_build_not_reached()
 # define gen_helper_tick_get_count(D, E, T, C)  qemu_build_not_reached()
@@ -3464,6 +3465,7 @@  static TCGv do_rdtba(DisasContext *dc, TCGv dst)
     return cpu_tbr;
 }
 
+TRANS(RDTBR, 32, do_rd_special, supervisor(dc), a->rd, do_rdtba)
 TRANS(RDPR_tba, 64, do_rd_special, supervisor(dc), a->rd, do_rdtba)
 
 static TCGv do_rdpstate(DisasContext *dc, TCGv dst)
@@ -3562,6 +3564,15 @@  static TCGv do_rdver(DisasContext *dc, TCGv dst)
 
 TRANS(RDPR_ver, 64, do_rd_special, supervisor(dc), a->rd, do_rdver)
 
+static bool trans_FLUSHW(DisasContext *dc, arg_FLUSHW *a)
+{
+    if (avail_64(dc)) {
+        gen_helper_flushw(tcg_env);
+        return advance_pc(dc);
+    }
+    return false;
+}
+
 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
         goto illegal_insn;
@@ -3592,18 +3603,6 @@  static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
             TCGv cpu_dst __attribute__((unused)) = tcg_temp_new();
             TCGv cpu_tmp0 __attribute__((unused));
 
-#if defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)
-            if (xop == 0x2b) { /* rdtbr / V9 flushw */
-#ifdef TARGET_SPARC64
-                gen_helper_flushw(tcg_env);
-#else
-                if (!supervisor(dc))
-                    goto priv_insn;
-                gen_store_gpr(dc, rd, cpu_tbr);
-#endif
-                break;
-            }
-#endif
             if (xop == 0x34) {   /* FPU Operations */
                 if (gen_trap_ifnofpu(dc)) {
                     goto jmp_insn;