fw_cfg: Replace debug prints by tracepoints

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

hw/fw_cfg.c

diff --git a/hw/fw_cfg.c b/hw/fw_cfg.c
index 7c9480c..2fadf36 100644
--- a/hw/fw_cfg.c
+++ b/hw/fw_cfg.c
@@ -26,19 +26,10 @@
 #include "isa.h"
 #include "fw_cfg.h"
 #include "sysbus.h"
+#include "trace.h"
 #include "qemu/error-report.h"
 #include "qemu/config-file.h"
 
-/* debug firmware config */
-//#define DEBUG_FW_CFG
-
-#ifdef DEBUG_FW_CFG
-#define FW_CFG_DPRINTF(fmt, ...)                        \
-    do { printf("FW_CFG: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define FW_CFG_DPRINTF(fmt, ...)
-#endif
-
 #define FW_CFG_SIZE 2
 #define FW_CFG_DATA_SIZE 1
 
@@ -213,7 +204,7 @@
     int arch = !!(s->cur_entry & FW_CFG_ARCH_LOCAL);
     FWCfgEntry *e = &s->entries[arch][s->cur_entry & FW_CFG_ENTRY_MASK];
 
-    FW_CFG_DPRINTF("write %d\n", value);
+    trace_fw_cfg_write(s, value);
 
     if (s->cur_entry & FW_CFG_WRITE_CHANNEL && e->callback &&
         s->cur_offset < e->len) {
@@ -238,8 +229,7 @@
         ret = 1;
     }
 
-    FW_CFG_DPRINTF("select key %d (%sfound)\n", key, ret ? "" : "not ");
-
+    trace_fw_cfg_select(s, key, ret);
     return ret;
 }
 
@@ -254,8 +244,7 @@
     else
         ret = e->data[s->cur_offset++];
 
-    FW_CFG_DPRINTF("read %d\n", ret);
-
+    trace_fw_cfg_read(s, ret);
     return ret;
 }
 
@@ -470,16 +459,14 @@
             filename);
     for (i = 0; i < index; i++) {
         if (strcmp(s->files->f[index].name, s->files->f[i].name) == 0) {
-            FW_CFG_DPRINTF("%s: skip duplicate: %s\n", __FUNCTION__,
-                           s->files->f[index].name);
+            trace_fw_cfg_add_file_dupe(s, s->files->f[index].name);
             return 1;
         }
     }
 
     s->files->f[index].size   = cpu_to_be32(len);
     s->files->f[index].select = cpu_to_be16(FW_CFG_FILE_FIRST + index);
-    FW_CFG_DPRINTF("%s: #%d: %s (%d bytes)\n", __FUNCTION__,
-                   index, s->files->f[index].name, len);
+    trace_fw_cfg_add_file(s, index, s->files->f[index].name, len);
 
     s->files->count = cpu_to_be32(index+1);
     return 1;

trace-events

diff --git a/trace-events b/trace-events
index 6eabbac..cf76a11 100644
--- a/trace-events
+++ b/trace-events
@@ -167,6 +167,13 @@
 ecc_diag_mem_writeb(uint64_t addr, uint32_t val) "Write diagnostic %"PRId64" = %02x"
 ecc_diag_mem_readb(uint64_t addr, uint32_t ret) "Read diagnostic %"PRId64"= %02x"
 
+# hw/fw_cfg.c
+fw_cfg_write(void *s, uint8_t value) "%p %d"
+fw_cfg_select(void *s, uint16_t key, int ret) "%p key %d = %d"
+fw_cfg_read(void *s, uint8_t ret) "%p = %d"
+fw_cfg_add_file_dupe(void *s, char *name) "%p %s"
+fw_cfg_add_file(void *s, int index, char *name, uint32_t len) "%p #%d: %s (%d bytes)"
+
 # hw/hd-geometry.c
 hd_geometry_lchs_guess(void *bs, int cyls, int heads, int secs) "bs %p LCHS %d %d %d"
 hd_geometry_guess(void *bs, uint32_t cyls, uint32_t heads, uint32_t secs, int trans) "bs %p CHS %u %u %u trans %d"