commit 18059c9e1648bf4fc5c7c1bae6f54690742b05ba
author Laurent Vivier <laurent@vivier.eu> Mon Jun 05 12:00:14 2017 +0200
committer Laurent Vivier <laurent@vivier.eu> Wed Jun 07 11:18:30 2017 +0200
tree d9e212d180ca36b175d71633dd08a98a7e50d12a
parent 65dfad62a176f5265f801683be64149c5ad55f7d

target/m68k: implement rtd

Add "Return and Deallocate" (rtd) instruction.

  RTD #d

    (SP) -> PC
    SP + 4 + d -> SP

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Tested-By: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Message-Id: <20170605100014.22981-1-laurent@vivier.eu>

target/m68k/cpu.c

diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index fa10b6e..f068922 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -130,6 +130,7 @@
     m68k_set_feature(env, M68K_FEATURE_FPU);
     m68k_set_feature(env, M68K_FEATURE_CAS);
     m68k_set_feature(env, M68K_FEATURE_BKPT);
+    m68k_set_feature(env, M68K_FEATURE_RTD);
 }
 #define m68030_cpu_initfn m68020_cpu_initfn
 #define m68040_cpu_initfn m68020_cpu_initfn
@@ -151,6 +152,7 @@
     m68k_set_feature(env, M68K_FEATURE_FPU);
     m68k_set_feature(env, M68K_FEATURE_CAS);
     m68k_set_feature(env, M68K_FEATURE_BKPT);
+    m68k_set_feature(env, M68K_FEATURE_RTD);
 }
 
 static void m5208_cpu_initfn(Object *obj)