void tcg_prologue_init(TCGContext *s) { /* init global prologue and epilogue */ s->code_buf = s->code_gen_prologue; s->code_ptr = s->code_buf; tcg_target_qemu_prologue(s); flush_icache_range((tcg_target_ulong)s->code_buf, (tcg_target_ulong)s->code_ptr);