diff options
Diffstat (limited to 'target-m68k/translate.c')
-rw-r--r-- | target-m68k/translate.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target-m68k/translate.c b/target-m68k/translate.c index deb5a58..eecb32b 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -2841,6 +2841,11 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask) Later insn override earlier ones. */ void register_m68k_insns (CPUM68KState *env) { + /* Build the opcode table only once to avoid + multithreading issues. */ + if (opcode_table[0] != NULL) { + return; + } #define INSN(name, opcode, mask, feature) do { \ if (m68k_feature(env, M68K_FEATURE_##feature)) \ register_opcode(disas_##name, 0x##opcode, 0x##mask); \ |