From: Richard Henderson <richard.henderson@linaro.org>
Date: Sun, 1 Oct 2023 22:11:00 +0000 (-0700)
Subject: target/sparc: Move CALL to decodetree
X-Git-Tag: v8.2.0-rc0~49^2~82
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=23ada1b16fb22eb5121f7de1bfac342a2b4f72a5;p=thirdparty%2Fqemu.git

target/sparc: Move CALL to decodetree

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>
---

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 5811a679db1..a5f5d2681e2 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -3,3 +3,4 @@
 # Sparc instruction decode definitions.
 # Copyright (c) 2023 Richard Henderson <rth@twiddle.net>
 
+CALL    01 i:s30
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 9eb2b7e52f2..7ef4c6d4f79 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -285,6 +285,11 @@ static void gen_address_mask(DisasContext *dc, TCGv addr)
     }
 }
 
+static target_ulong address_mask_i(DisasContext *dc, target_ulong addr)
+{
+    return AM_CHECK(dc) ? (uint32_t)addr : addr;
+}
+
 static TCGv gen_load_gpr(DisasContext *dc, int reg)
 {
     if (reg > 0) {
@@ -3041,6 +3046,16 @@ static bool advance_pc(DisasContext *dc)
     return true;
 }
 
+static bool trans_CALL(DisasContext *dc, arg_CALL *a)
+{
+    target_long target = address_mask_i(dc, dc->pc + a->i * 4);
+
+    gen_store_gpr(dc, 15, tcg_constant_tl(dc->pc));
+    gen_mov_pc_npc(dc);
+    dc->npc = target;
+    return true;
+}
+
 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
         goto illegal_insn;
@@ -3146,23 +3161,8 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
             break;
         }
         break;
-    case 1:                     /*CALL*/
-        {
-            target_long target = GET_FIELDs(insn, 2, 31) << 2;
-            TCGv o7 = gen_dest_gpr(dc, 15);
-
-            tcg_gen_movi_tl(o7, dc->pc);
-            gen_store_gpr(dc, 15, o7);
-            target += dc->pc;
-            gen_mov_pc_npc(dc);
-#ifdef TARGET_SPARC64
-            if (unlikely(AM_CHECK(dc))) {
-                target &= 0xffffffffULL;
-            }
-#endif
-            dc->npc = target;
-        }
-        goto jmp_insn;
+    case 1:
+        g_assert_not_reached(); /* in decodetree */
     case 2:                     /* FPU & Logical Operations */
         {
             unsigned int xop = GET_FIELD(insn, 7, 12);