On 1/18/23 09:11, Richard Henderson wrote:
Reuse the decodetree based disassembler from
target/loongarch/ for tcg/loongarch64/.

The generation of decode-insns.c.inc into ./libcommon.fa.p/ could
eventually result in conflict, if any other host requires the same
trick, but this is good enough for now.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  disas.c                      | 2 ++
  target/loongarch/meson.build | 3 ++-
  2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/disas.c b/disas.c
index 3b31315f40..c9fa38e6d7 100644
--- a/disas.c
+++ b/disas.c
@@ -198,6 +198,8 @@ static void initialize_debug_host(CPUDebug *s)
      s->info.cap_insn_split = 6;
  #elif defined(__hppa__)
      s->info.print_insn = print_insn_hppa;
+#elif defined(__loongarch64)
This could just be `__loongarch__` because both LA32 and LA64 share the same encoding, so although LA32 userland isn't quite there yet it wouldn't do any harm.
+    s->info.print_insn = print_insn_loongarch;
  #endif
  }
diff --git a/target/loongarch/meson.build b/target/loongarch/meson.build
index 6376f9e84b..690633969f 100644
--- a/target/loongarch/meson.build
+++ b/target/loongarch/meson.build
@@ -3,7 +3,6 @@ gen = decodetree.process('insns.decode')
  loongarch_ss = ss.source_set()
  loongarch_ss.add(files(
    'cpu.c',
-  'disas.c',
  ))
  loongarch_tcg_ss = ss.source_set()
  loongarch_tcg_ss.add(gen)
@@ -24,6 +23,8 @@ loongarch_softmmu_ss.add(files(
    'iocsr_helper.c',
  ))
+common_ss.add(when: 'CONFIG_LOONGARCH_DIS', if_true: [files('disas.c'), gen])
+
  loongarch_ss.add_all(when: 'CONFIG_TCG', if_true: [loongarch_tcg_ss])
target_arch += {'loongarch': loongarch_ss}

Apart from the minor suggestion above,

Reviewed-by: WANG Xuerui <g...@xen0n.name>

Thanks!


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