target/arm: [tcg,a64] Port to disas_log

Incrementally paves the way towards using the generic instruction translation
loop.
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NLluís Vilanova <vilanova@ac.upc.edu>
Message-Id: <150002606914.22386.15524101311003685068.stgit@frigg.lan>
[rth: Move tb->size computation and use that result.]
Signed-off-by: NRichard Henderson <rth@twiddle.net>

target/arm/translate-a64.c

@@ -11393,6 +11393,16 @@ static void aarch64_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
     }
 }
 
+static void aarch64_tr_disas_log(const DisasContextBase *dcbase,
+                                      CPUState *cpu)
+{
+    DisasContext *dc = container_of(dcbase, DisasContext, base);
+
+    qemu_log("IN: %s\n", lookup_symbol(dc->base.pc_first));
+    log_target_disas(cpu, dc->base.pc_first, dc->base.tb->size,
+                     4 | (bswap_code(dc->sctlr_b) ? 2 : 0));
+}
+
 void gen_intermediate_code_a64(DisasContextBase *dcbase, CPUState *cs,
                                TranslationBlock *tb)
 {
@@ -11468,18 +11478,17 @@ void gen_intermediate_code_a64(DisasContextBase *dcbase, CPUState *cs,
 
     gen_tb_end(tb, dc->base.num_insns);
 
+    dc->base.tb->size = dc->pc - dc->base.pc_first;
+    dc->base.tb->icount = dc->base.num_insns;
+
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM) &&
         qemu_log_in_addr_range(dc->base.pc_first)) {
         qemu_log_lock();
         qemu_log("----------------\n");
-        qemu_log("IN: %s\n", lookup_symbol(dc->base.pc_first));
-        log_target_disas(cs, dc->base.pc_first, dc->pc - dc->base.pc_first,
-                         4 | (bswap_code(dc->sctlr_b) ? 2 : 0));
+        aarch64_tr_disas_log(&dc->base, cs);
         qemu_log("\n");
         qemu_log_unlock();
     }
 #endif
-    dc->base.tb->size = dc->pc - dc->base.pc_first;
-    dc->base.tb->icount = dc->base.num_insns;
 }