TI_DSP_SRIO - Doorbell原理（中断路由到core-1）

Doorbell的中断到core的机制是由DOORBELLx_ICRRx寄存器实现的，共有八个ICRR寄存器。 When doorbell packets are received by the SRIO peripheral, theseICRRs routedoorbell interrupt requests（在ISCR寄存器中指示） from the associated doorbell

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