From: Beniamino Galvani <b.galv...@gmail.com>

To improve the predictability of fifo8_pop_buf(), the fifo head is set
to the start of data buffer upon a reset so that the first call to the
function will be able to retrieve all data in the fifo.

Signed-off-by: Beniamino Galvani <b.galv...@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
 util/fifo8.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/fifo8.c b/util/fifo8.c
index a7503c2..6a43482 100644
--- a/util/fifo8.c
+++ b/util/fifo8.c
@@ -89,6 +89,7 @@ const uint8_t *fifo8_pop_buf(Fifo8 *fifo, uint32_t max, 
uint32_t *num)
 void fifo8_reset(Fifo8 *fifo)
 {
     fifo->num = 0;
+    fifo->head = 0;
 }
 
 bool fifo8_is_empty(Fifo8 *fifo)
-- 
1.8.5


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