Move part of timing module out of the library

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>

include/mbedtls/config.h

@@ -268,7 +268,7 @@
 /**
  * \def MBEDTLS_TIMING_ALT
  *
- * Uncomment to provide your own alternate implementation for mbedtls_timing_hardclock(),
+ * Uncomment to provide your own alternate implementation for
  * mbedtls_timing_get_timer(), mbedtls_set_alarm(), mbedtls_set/get_delay()
  *
  * Only works if you have MBEDTLS_TIMING_C enabled.
@@ -1015,7 +1015,7 @@
  * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
  *
  * Do not add default entropy sources. These are the platform specific
- * or mbedtls_timing_hardclock poll function.
+ * poll function.
  *
  * This is useful to have more control over the added entropy sources in an
  * application.

include/mbedtls/timing.h

@@ -63,21 +63,11 @@ typedef struct mbedtls_timing_delay_context
 
 extern volatile int mbedtls_timing_alarmed;
 
-/**
- * \brief          Return the CPU cycle counter value
- *
- * \warning        This is only a best effort! Do not rely on this!
- *                 In particular, it is known to be unreliable on virtual
- *                 machines.
- *
- * \note           This value starts at an unspecified origin and
- *                 may wrap around.
- */
-unsigned long mbedtls_timing_hardclock( void );
-
 /**
  * \brief          Return the elapsed time in milliseconds
  *
+ * \warning        May change without notice
+ *
  * \param val      points to a timer structure
  * \param reset    If 0, query the elapsed time. Otherwise (re)start the timer.
  *
@@ -94,18 +84,6 @@ unsigned long mbedtls_timing_hardclock( void );
  */
 unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );
 
-/**
- * \brief          Setup an alarm clock
- *
- * \param seconds  delay before the "mbedtls_timing_alarmed" flag is set
- *                 (must be >=0)
- *
- * \warning        Only one alarm at a time  is supported. In a threaded
- *                 context, this means one for the whole process, not one per
- *                 thread.
- */
-void mbedtls_set_alarm( int seconds );
-
 /**
  * \brief          Set a pair of delays to watch
  *                 (See \c mbedtls_timing_get_delay().)
@@ -136,15 +114,6 @@ void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );
  */
 int mbedtls_timing_get_delay( void *data );
 
-#if defined(MBEDTLS_SELF_TEST)
-/**
- * \brief          Checkup routine
- *
- * \return         0 if successful, or 1 if a test failed
- */
-int mbedtls_timing_self_test( int verbose );
-#endif
-
 #ifdef __cplusplus
 }
 #endif