diff --git a/disas.c b/disas.c
index ff5425d..fde5029 100644
--- a/disas.c
+++ b/disas.c
@@ -151,14 +151,6 @@
   return (bfd_vma) v;
 }
 
-#ifdef TARGET_ARM
-static int
-print_insn_thumb1(bfd_vma pc, disassemble_info *info)
-{
-  return print_insn_arm(pc | 1, info);
-}
-#endif
-
 static int print_insn_objdump(bfd_vma pc, disassemble_info *info,
                               const char *prefix)
 {
@@ -191,7 +183,6 @@
 /* Disassemble this for me please... (debugging). 'flags' has the following
    values:
     i386 - 1 means 16 bit code, 2 means 64 bit code
-    arm  - bit 0 = thumb, bit 1 = reverse endian, bit 2 = A64
     ppc  - bits 0:15 specify (optionally) the machine instruction set;
            bit 16 indicates little endian.
     other targets - unused
@@ -231,27 +222,6 @@
         s.info.mach = bfd_mach_i386_i386;
     }
     s.info.print_insn = print_insn_i386;
-#elif defined(TARGET_ARM)
-    if (flags & 4) {
-        /* We might not be compiled with the A64 disassembler
-         * because it needs a C++ compiler; in that case we will
-         * fall through to the default print_insn_od case.
-         */
-#if defined(CONFIG_ARM_A64_DIS)
-        s.info.print_insn = print_insn_arm_a64;
-#endif
-    } else if (flags & 1) {
-        s.info.print_insn = print_insn_thumb1;
-    } else {
-        s.info.print_insn = print_insn_arm;
-    }
-    if (flags & 2) {
-#ifdef TARGET_WORDS_BIGENDIAN
-        s.info.endian = BFD_ENDIAN_LITTLE;
-#else
-        s.info.endian = BFD_ENDIAN_BIG;
-#endif
-    }
 #elif defined(TARGET_SPARC)
     s.info.print_insn = print_insn_sparc;
 #ifdef TARGET_SPARC64
@@ -488,8 +458,6 @@
         s.info.mach = bfd_mach_i386_i386;
     }
     s.info.print_insn = print_insn_i386;
-#elif defined(TARGET_ARM)
-    s.info.print_insn = print_insn_arm;
 #elif defined(TARGET_ALPHA)
     s.info.print_insn = print_insn_alpha;
 #elif defined(TARGET_SPARC)
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 5a8cdb5..8b4323d 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -382,6 +382,39 @@
     env->features &= ~(1ULL << feature);
 }
 
+static int
+print_insn_thumb1(bfd_vma pc, disassemble_info *info)
+{
+  return print_insn_arm(pc | 1, info);
+}
+
+static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
+{
+    ARMCPU *ac = ARM_CPU(cpu);
+    CPUARMState *env = &ac->env;
+
+    if (is_a64(env)) {
+        /* We might not be compiled with the A64 disassembler
+         * because it needs a C++ compiler. Leave print_insn
+         * unset in this case to use the caller default behaviour.
+         */
+#if defined(CONFIG_ARM_A64_DIS)
+        info->print_insn = print_insn_arm_a64;
+#endif
+    } else if (env->thumb) {
+        info->print_insn = print_insn_thumb1;
+    } else {
+        info->print_insn = print_insn_arm;
+    }
+    if (env->bswap_code) {
+#ifdef TARGET_WORDS_BIGENDIAN
+        info->endian = BFD_ENDIAN_LITTLE;
+#else
+        info->endian = BFD_ENDIAN_BIG;
+#endif
+    }
+}
+
 #define ARM_CPUS_PER_CLUSTER 8
 
 static void arm_cpu_initfn(Object *obj)
@@ -1368,6 +1401,8 @@
     cc->gdb_core_xml_file = "arm-core.xml";
     cc->gdb_stop_before_watchpoint = true;
     cc->debug_excp_handler = arm_debug_excp_handler;
+
+    cc->disas_set_info = arm_disas_set_info;
 }
 
 static void cpu_register(const ARMCPUInfo *info)