[v2,1/4] hw/rtc/ds1338: Trace send and receive operations

Commit Message

Bernhard Beschow Nov. 3, 2024, 2:33 p.m. UTC

Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Signed-off-by: Bernhard Beschow <[e-mail]>
---
 hw/rtc/ds1338.c     | 6 ++++++
 hw/rtc/trace-events | 4 ++++
 2 files changed, 10 insertions(+)

Patch

diff --git a/hw/rtc/ds1338.c b/hw/rtc/ds1338.c
index a5fe221418..929a92f7bd 100644
--- a/hw/rtc/ds1338.c
+++ b/hw/rtc/ds1338.c
@@ -17,6 +17,7 @@ 
 #include "qemu/module.h"
 #include "qom/object.h"
 #include "sysemu/rtc.h"
+#include "trace.h"
 
 /* Size of NVRAM including both the user-accessible area and the
  * secondary register area.
@@ -126,6 +127,9 @@  static uint8_t ds1338_recv(I2CSlave *i2c)
     uint8_t res;
 
     res  = s->nvram[s->ptr];
+
+    trace_ds1338_recv(s->ptr, res);
+
     inc_regptr(s);
     return res;
 }
@@ -134,6 +138,8 @@  static int ds1338_send(I2CSlave *i2c, uint8_t data)
 {
     DS1338State *s = DS1338(i2c);
 
+    trace_ds1338_send(s->ptr, data);
+
     if (s->addr_byte) {
         s->ptr = data & (NVRAM_SIZE - 1);
         s->addr_byte = false;
diff --git a/hw/rtc/trace-events b/hw/rtc/trace-events
index ebb311a5b0..8012afe102 100644
--- a/hw/rtc/trace-events
+++ b/hw/rtc/trace-events
@@ -22,6 +22,10 @@  pl031_set_alarm(uint32_t ticks) "alarm set for %u ticks"
 aspeed_rtc_read(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
 aspeed_rtc_write(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
 
+# ds1338.c
+ds1338_recv(uint32_t addr, uint8_t value) "[0x%" PRIx32 "] -> 0x%02" PRIx8
+ds1338_send(uint32_t addr, uint8_t value) "[0x%" PRIx32 "] <- 0x%02" PRIx8
+
 # m48t59.c
 m48txx_nvram_io_read(uint64_t addr, uint64_t value) "io read addr:0x%04" PRIx64 " value:0x%02" PRIx64
 m48txx_nvram_io_write(uint64_t addr, uint64_t value) "io write addr:0x%04" PRIx64 " value:0x%02" PRIx64