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我想知道MicroBlaze的数据总线例外情况。在MicroBlaze产品手册中,它指出只有在缓存关闭时才能在M_AXI_DC上发生异常?这对我没有意义;是否意味着如果在M_AXI_DC行上给出错误响应,如果启用缓存,则不会触发异常?我目前有C_DCACHE_ALWAYS_USED设置为1,所以这不是一个问题。MicroBlaze AXI4异常
谢谢。从MicroBlaze的产品指南
摘录:
The data cache AXI4 interface (M_AXI_DC) exception is caused by:
- An error response on M_AXI_DC_RRESP or M_AXI_DC_BRESP,
- OKAY response on M_AXI_DC_RRESP in case of an exclusive access using LWX.
The exception can only occur when C_DCACHE_ALWAYS_USED is set to 1 and the
cache is turned off