INTERRUPT_MBOX_0_REG
bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG, 0);
bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG,
bge_mbx_put(bgep, INTERRUPT_MBOX_0_REG,
(void) bge_mbx_get(bgep, INTERRUPT_MBOX_0_REG);
regno += INTERRUPT_LP_MBOX_0_REG - INTERRUPT_MBOX_0_REG + 4;
regno += INTERRUPT_LP_MBOX_0_REG - INTERRUPT_MBOX_0_REG + 4;