From patchwork Thu Feb 28 18:54:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [17/17] cadence_gem: Add debug msgs for rx desc movement From: Peter Maydell X-Patchwork-Id: 224150 Message-Id: <1362077643-31443-18-git-send-email-peter.maydell@linaro.org> To: Anthony Liguori , Blue Swirl Cc: qemu-devel@nongnu.org, Paul Brook Date: Thu, 28 Feb 2013 18:54:03 +0000 From: Peter Crosthwaite Add some helpful messages that show the rx descriptor pointer moving as packets are rxed. Signed-off-by: Peter Crosthwaite Message-id: 1ef2eb34dade64d589a69a2bcfd5aaddb7d50164.1360901435.git.peter.crosthwaite@xilinx.com Signed-off-by: Peter Maydell --- hw/cadence_gem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/cadence_gem.c b/hw/cadence_gem.c index 61f1801..de7d15a 100644 --- a/hw/cadence_gem.c +++ b/hw/cadence_gem.c @@ -724,7 +724,9 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size) s->rx_desc_addr = last_desc_addr; if (rx_desc_get_wrap(desc)) { s->rx_desc_addr = s->regs[GEM_RXQBASE]; + DB_PRINT("wrapping RX descriptor list\n"); } else { + DB_PRINT("incrementing RX descriptor list\n"); s->rx_desc_addr += 8; }