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由 Beniamino Galvani 提交于
The patch adds functions fifo8_push_all() and fifo8_pop_buf() which can be used respectively to push the content of a memory buffer to the fifo and to pop multiple bytes obtaining a pointer to the fifo backing buffer. In addition, it implements fifo8_num_free() and fifo8_num_used() which allow to check if a multi-byte operation can be performed. Signed-off-by: NBeniamino Galvani <b.galvani@gmail.com> Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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