From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Date: Thu, 28 Feb 2013 18:23:16 +0000 (+0000)
Subject: cadence_gem: Add debug msgs for rx desc movement
X-Git-Tag: v1.5.0-rc0~535
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=288f1e3f87ec24abeac38399f175fe74243f7bc5;p=thirdparty%2Fqemu.git

cadence_gem: Add debug msgs for rx desc movement

Add some helpful messages that show the rx descriptor pointer moving as packets
are rxed.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1ef2eb34dade64d589a69a2bcfd5aaddb7d50164.1360901435.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/hw/cadence_gem.c b/hw/cadence_gem.c
index 61f1801273b..de7d15ab767 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;
     }