Archipelago » qemu

        /* mbar IMM & 16 decodes to sleep.  */

        if (dc->rd & 16) {

            TCGv_i32 tmp_hlt = tcg_const_i32(EXCP_HLT);

            TCGv_i32 tmp_1 = tcg_const_i32(1);

            LOG_DIS("sleep\n");

            t_sync_flags(dc);

            tcg_gen_st_i32(tmp_1, cpu_env,

                           -offsetof(MicroBlazeCPU, env)

                           +offsetof(CPUState, halted));

            tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc + 4);

            gen_helper_raise_exception(cpu_env, tmp_hlt);

            tcg_temp_free_i32(tmp_hlt);

            tcg_temp_free_i32(tmp_1);

            return;

        }