hw/sd/sdcard: Trace block offset in READ/WRITE data accesses

Useful to detect out of bound accesses.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-5-philmd@linaro.org>

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index aa011fc89221d0014143b8dfad98dcc9e7146298..bed5966ea753f44bc1334fb541c175feb5b51b22 100644 (file)
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1917,7 +1917,7 @@ void sd_write_byte(SDState *sd, uint8_t value)
 
     trace_sdcard_write_data(sd_proto(sd)->name,
                             sd->last_cmd_name,
-                            sd->current_cmd, value);
+                            sd->current_cmd, sd->data_offset, value);
     switch (sd->current_cmd) {
     case 24:  /* CMD24:  WRITE_SINGLE_BLOCK */
         sd->data[sd->data_offset ++] = value;
@@ -2073,7 +2073,7 @@ uint8_t sd_read_byte(SDState *sd)
 
     trace_sdcard_read_data(sd_proto(sd)->name,
                            sd->last_cmd_name,
-                           sd->current_cmd, io_len);
+                           sd->current_cmd, sd->data_offset, io_len);
     switch (sd->current_cmd) {
     case 6:  /* CMD6:   SWITCH_FUNCTION */
         ret = sd->data[sd->data_offset ++];

diff --git a/hw/sd/trace-events b/hw/sd/trace-events
index 724365efc32a5d5024c3c12208ba36cde11d3ef7..0eee98a646f0a9cf506e62bf989f2fa184b5f778 100644 (file)
--- a/hw/sd/trace-events
+++ b/hw/sd/trace-events
@@ -52,8 +52,8 @@ sdcard_lock(void) ""
 sdcard_unlock(void) ""
 sdcard_read_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
 sdcard_write_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
-sdcard_write_data(const char *proto, const char *cmd_desc, uint8_t cmd, uint8_t value) "%s %20s/ CMD%02d value 0x%02x"
-sdcard_read_data(const char *proto, const char *cmd_desc, uint8_t cmd, uint32_t length) "%s %20s/ CMD%02d len %" PRIu32
+sdcard_write_data(const char *proto, const char *cmd_desc, uint8_t cmd, uint32_t offset, uint8_t value) "%s %20s/ CMD%02d ofs %"PRIu32" value 0x%02x"
+sdcard_read_data(const char *proto, const char *cmd_desc, uint8_t cmd, uint32_t offset, uint32_t length) "%s %20s/ CMD%02d ofs %"PRIu32" len %" PRIu32
 sdcard_set_voltage(uint16_t millivolts) "%u mV"
 
 # pxa2xx_mmci.c