BIO Baochip/Dabao - FIFO and Events

FIFO The BIO has 4 FIFOs mapped to the BIO processors as x16-x19 r/w registers (blocking on read until new data is pushed), and in the host through BIO_BDMA_SFR_TXFx for writing data (PUSH) and BIO_BDMA_SFR_RXFx for reading (POP) data (or returning the last data read if nothing else is found), wh...

Source: [Dev.to](https://dev.to/danielmx/bio-baochipdabao-fifo-and-events-25jf)