From fa15286a758eb036258bffae2b6c128e2a477cc3 Mon Sep 17 00:00:00 2001 From: Peter Crosthwaite Date: Mon, 26 May 2014 01:38:21 -0700 Subject: [PATCH] net: cadence_gem: Add Tx descriptor fetch printf Add a debug printf for TX descriptor fetching. This is helpful to anyone needing to debug TX ring buffer traversal. It is also now consistent with the RX code which has a similar printf. Signed-off-by: Peter Crosthwaite Signed-off-by: Michael Tokarev --- hw/net/cadence_gem.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index 5335db874f..cfb696a733 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -880,6 +880,8 @@ static void gem_transmit(GemState *s) /* read current descriptor */ packet_desc_addr = s->tx_desc_addr; + + DB_PRINT("read descriptor 0x%" HWADDR_PRIx "\n", packet_desc_addr); cpu_physical_memory_read(packet_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); /* Handle all descriptors owned by hardware */ @@ -962,6 +964,7 @@ static void gem_transmit(GemState *s) } else { packet_desc_addr += 8; } + DB_PRINT("read descriptor 0x%" HWADDR_PRIx "\n", packet_desc_addr); cpu_physical_memory_read(packet_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); }