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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2018-02-08 13:48:08 -0300
committerPaolo Bonzini <pbonzini@redhat.com>2018-02-13 16:15:08 +0100
commit238cd93567253e0126fbd0c0c3bc75aa43e46a5d (patch)
treef766677b6dfc8481e3b6248d51ddbd3ab57b8b9d /hw/sd
parentea55a221bfc04bde7c7874ecd98881e09763a192 (diff)
sdbus: add trace events
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Message-Id: <20180208164818.7961-21-f4bug@amsat.org>
Diffstat (limited to 'hw/sd')
-rw-r--r--hw/sd/core.c14
-rw-r--r--hw/sd/trace-events5
2 files changed, 17 insertions, 2 deletions
diff --git a/hw/sd/core.c b/hw/sd/core.c
index 295dc44ab7..498284f109 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -23,6 +23,12 @@
#include "hw/qdev-core.h"
#include "sysemu/block-backend.h"
#include "hw/sd/sd.h"
+#include "trace.h"
+
+static inline const char *sdbus_name(SDBus *sdbus)
+{
+ return sdbus->qbus.name;
+}
static SDState *get_card(SDBus *sdbus)
{
@@ -39,6 +45,7 @@ int sdbus_do_command(SDBus *sdbus, SDRequest *req, uint8_t *response)
{
SDState *card = get_card(sdbus);
+ trace_sdbus_command(sdbus_name(sdbus), req->cmd, req->arg, req->crc);
if (card) {
SDCardClass *sc = SD_CARD_GET_CLASS(card);
@@ -52,6 +59,7 @@ void sdbus_write_data(SDBus *sdbus, uint8_t value)
{
SDState *card = get_card(sdbus);
+ trace_sdbus_write(sdbus_name(sdbus), value);
if (card) {
SDCardClass *sc = SD_CARD_GET_CLASS(card);
@@ -62,14 +70,16 @@ void sdbus_write_data(SDBus *sdbus, uint8_t value)
uint8_t sdbus_read_data(SDBus *sdbus)
{
SDState *card = get_card(sdbus);
+ uint8_t value = 0;
if (card) {
SDCardClass *sc = SD_CARD_GET_CLASS(card);
- return sc->read_data(card);
+ value = sc->read_data(card);
}
+ trace_sdbus_read(sdbus_name(sdbus), value);
- return 0;
+ return value;
}
bool sdbus_data_ready(SDBus *sdbus)
diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 78d8707669..ea2746c8b7 100644
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -1,5 +1,10 @@
# See docs/devel/tracing.txt for syntax documentation.
+# hw/sd/core.c
+sdbus_command(const char *bus_name, uint8_t cmd, uint32_t arg, uint8_t crc) "@%s CMD%02d arg 0x%08x crc 0x%02x"
+sdbus_read(const char *bus_name, uint8_t value) "@%s value 0x%02x"
+sdbus_write(const char *bus_name, uint8_t value) "@%s value 0x%02x"
+
# hw/sd/sdhci.c
sdhci_set_inserted(const char *level) "card state changed: %s"
sdhci_send_command(uint8_t cmd, uint32_t arg) "CMD%02u ARG[0x%08x]"