[rtems-libbsd commit] vprintf: Avoid printf() to avoid FPU usage
Sebastian Huber
sebh at rtems.org
Mon Sep 10 13:24:36 UTC 2018
Module: rtems-libbsd
Branch: master
Commit: f56067e26c932273ddfae3eb9023f2801672d88c
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=f56067e26c932273ddfae3eb9023f2801672d88c
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Mon Sep 10 15:07:57 2018 +0200
vprintf: Avoid printf() to avoid FPU usage
---
rtemsbsd/rtems/rtems-kernel-vprintf.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/rtemsbsd/rtems/rtems-kernel-vprintf.c b/rtemsbsd/rtems/rtems-kernel-vprintf.c
index 29dc1ff..b9ef5ba 100644
--- a/rtemsbsd/rtems/rtems-kernel-vprintf.c
+++ b/rtemsbsd/rtems/rtems-kernel-vprintf.c
@@ -48,8 +48,6 @@
#include <rtems/bsd/bsd.h>
-#undef printf
-
#define VPRINTF_LOCK() _Mutex_Acquire(&vprintf_mtx)
#define VPRINTF_UNLOCK() _Mutex_Release(&vprintf_mtx)
@@ -86,7 +84,17 @@ default_vprintf_handler(int level, const char *fmt, va_list ap)
VPRINTF_LOCK();
if (level != LOG_PRINTF) {
- printf("%s: ", log_priorities[LOG_PRI(level)]);
+ const char *p;
+
+ p = log_priorities[LOG_PRI(level)];
+
+ while (*p != '\0') {
+ putchar(*p);
+ ++p;
+ }
+
+ putchar(':');
+ putchar(' ');
}
last = -1;
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