tpm: convert tpm_crb.c to use trace-events

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
yakuizhao · Mar 6, 2018 · ec42749 · ec42749
1 parent 8cb340c
commit ec42749
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Showing 3 changed files with 11 additions and 12 deletions.
diff --git a/Makefile.objs b/Makefile.objs
@@ -162,6 +162,7 @@ trace-events-subdirs += hw/alpha
 trace-events-subdirs += hw/hppa
 trace-events-subdirs += hw/xen
 trace-events-subdirs += hw/ide
+trace-events-subdirs += hw/tpm
 trace-events-subdirs += ui
 trace-events-subdirs += audio
 trace-events-subdirs += net

diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
@@ -29,6 +29,7 @@
 #include "sysemu/reset.h"
 #include "tpm_int.h"
 #include "tpm_util.h"
+#include "trace.h"
 
 typedef struct CRBState {
     DeviceState parent_obj;
@@ -44,14 +45,6 @@ typedef struct CRBState {
 
 #define CRB(obj) OBJECT_CHECK(CRBState, (obj), TYPE_TPM_CRB)
 
-#define DEBUG_CRB 0
-
-#define DPRINTF(fmt, ...) do {                  \
-        if (DEBUG_CRB) {                        \
-            printf(fmt, ## __VA_ARGS__);        \
-        }                                       \
-    } while (0)
-
 #define CRB_INTF_TYPE_CRB_ACTIVE 0b1
 #define CRB_INTF_VERSION_CRB 0b1
 #define CRB_INTF_CAP_LOCALITY_0_ONLY 0b0
@@ -91,17 +84,17 @@ static uint64_t tpm_crb_mmio_read(void *opaque, hwaddr addr,
     unsigned offset = addr & 3;
     uint32_t val = *(uint32_t *)regs >> (8 * offset);
 
-    DPRINTF("CRB read 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32 "\n",
-            addr, size, val);
+    trace_tpm_crb_mmio_read(addr, size, val);
+
     return val;
 }
 
 static void tpm_crb_mmio_write(void *opaque, hwaddr addr,
                                uint64_t val, unsigned size)
 {
     CRBState *s = CRB(opaque);
-    DPRINTF("CRB write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx64 "\n",
-            addr, size, val);
+
+    trace_tpm_crb_mmio_write(addr, size, val);
 
     switch (addr) {
     case A_CRB_CTRL_REQ:

diff --git a/hw/tpm/trace-events b/hw/tpm/trace-events
@@ -0,0 +1,5 @@
+# See docs/devel/tracing.txt for syntax documentation.
+
+# hw/tpm/tpm_crb.c
+tpm_crb_mmio_read(uint64_t addr, unsigned size, uint32_t val) "CRB read 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32
+tpm_crb_mmio_write(uint64_t addr, unsigned size, uint32_t val) "CRB write 0x" TARGET_FMT_plx " len:%u val: 0x%" PRIx32