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authorPeter Crosthwaite2013-02-28 19:23:16 +0100
committerPeter Maydell2013-02-28 19:49:24 +0100
commit288f1e3f87ec24abeac38399f175fe74243f7bc5 (patch)
treea6cf83d52d7d57633fb6330053dc9af2c9db19ba /hw/cadence_gem.c
parentcadence_gem: Don't reset rx desc pointer on rx_en (diff)
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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>
Diffstat (limited to 'hw/cadence_gem.c')
-rw-r--r--hw/cadence_gem.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/cadence_gem.c b/hw/cadence_gem.c
index 61f1801273..de7d15ab76 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;
}