syslog: reslove crash because vmov.i32 instruction is not ready when …

…system boot So avoid to use vmov.i32 instruction before FPU is ready. Before modification: 3c03b35c <nx_vsyslog>: 3c03b35c: f2c00010 vmov.i32 d16, #0 ; 0x00000000 3c03b360: f2c02050 vmov.i32 q9, #0 ; 0x00000000 3c03b364: e92d40f0 push {r4, r5, r6, r7, lr} 3c03b368: e24dd08c sub sp, sp, apache#140 ; 0x8c 3c03b36c: e28d301c add r3, sp, apache#28 3c03b370: e2505000 subs r5, r0, #0 3c03b374: edcd0b0f vstr d16, [sp, apache#60] ; 0x3c 3c03b378: edcd0b01 vstr d16, [sp, apache#4] After modification: 3c03b35c <nx_vsyslog>: 3c03b35c: e92d40f0 push {r4, r5, r6, r7, lr} 3c03b360: e2505000 subs r5, r0, #0 3c03b364: e24dd08c sub sp, sp, apache#140 ; 0x8c 3c03b368: e1a06001 mov r6, r1 3c03b36c: e1a07002 mov r7, r2 3c03b370: e28d000c add r0, sp, apache#12 3c03b374: 1a00003a bne 3c03b464 <nx_vsyslog+0x108> Change-Id: I643c19f5416c94a529764fdaa81f3088fcf95355 Signed-off-by: Jiuzhu Dong <[email protected]>
Donny9 · Jul 26, 2021 · 0f5661d · 0f5661d
1 parent b92aeb8
commit 0f5661d
Showing 1 changed file with 9 additions and 8 deletions.
diff --git a/drivers/syslog/vsyslog.c b/drivers/syslog/vsyslog.c
@@ -72,15 +72,9 @@ int nx_vsyslog(int priority, FAR const IPTR char *fmt, FAR va_list *ap)
   struct tcb_s *tcb;
 #endif
 #ifdef CONFIG_SYSLOG_TIMESTAMP
-  struct timespec ts =
-  {
-  };
-
+  struct timespec ts;
 #if defined(CONFIG_SYSLOG_TIMESTAMP_FORMATTED)
-  struct tm tm =
-  {
-  };
-
+  struct tm tm;
   char date_buf[CONFIG_SYSLOG_TIMESTAMP_BUFFER];
 #endif
 #endif
@@ -92,6 +86,13 @@ int nx_vsyslog(int priority, FAR const IPTR char *fmt, FAR va_list *ap)
   syslogstream_create(&stream);
 
 #ifdef CONFIG_SYSLOG_TIMESTAMP
+  ts.tv_sec = 0;
+  ts.tv_nsec = 0;
+
+#if defined(CONFIG_SYSLOG_TIMESTAMP_FORMATTED)
+  memset(&tm, 0, sizeof(tm));
+#endif
+
   /* Get the current time.  Since debug output may be generated very early
    * in the start-up sequence, hardware timer support may not yet be
    * available.