448     ppc4xx_ahb_t *ahb = opaque;  in dcr_read_ahb()  local
453         ret = ahb->top;  in dcr_read_ahb()
456         ret = ahb->bot;  in dcr_read_ahb()
467     ppc4xx_ahb_t *ahb = opaque;  in dcr_write_ahb()  local
471         ahb->top = val;  in dcr_write_ahb()
474         ahb->bot = val;  in dcr_write_ahb()
481     ppc4xx_ahb_t *ahb = opaque;  in ppc4xx_ahb_reset()  local
484     ahb->top = 0;  in ppc4xx_ahb_reset()
485     ahb->bot = 0;  in ppc4xx_ahb_reset()
490     ppc4xx_ahb_t *ahb;  in ppc4xx_ahb_init()  local
492     ahb = g_malloc0(sizeof(*ahb));  in ppc4xx_ahb_init()
493     ppc_dcr_register(env, AHB_TOP, ahb, &dcr_read_ahb, &dcr_write_ahb);  in ppc4xx_ahb_init()
494     ppc_dcr_register(env, AHB_BOT, ahb, &dcr_read_ahb, &dcr_write_ahb);  in ppc4xx_ahb_init()
495     qemu_register_reset(ppc4xx_ahb_reset, ahb);  in ppc4xx_ahb_init()