From 65f868cac6f7fd5c3ad02046574c19f8f4673255 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 23 May 2018 14:17:25 +0200 Subject: Add _CPU_Counter_frequency() Add rtems_counter_frequency() API function. Use it to initialize the counter value converter via the new system initialization step (RTEMS_SYSINIT_CPU_COUNTER). This decouples the counter implementation and the counter converter. It avoids an unnecessary pull in of the 64-bit integer division from libgcc. Update #3456. --- cpukit/score/cpu/nios2/Makefile.am | 1 + cpukit/score/cpu/nios2/include/rtems/score/cpu.h | 2 ++ 2 files changed, 3 insertions(+) (limited to 'cpukit/score/cpu/nios2') diff --git a/cpukit/score/cpu/nios2/Makefile.am b/cpukit/score/cpu/nios2/Makefile.am index 3d6a35905c..a0ecab3345 100644 --- a/cpukit/score/cpu/nios2/Makefile.am +++ b/cpukit/score/cpu/nios2/Makefile.am @@ -5,6 +5,7 @@ CLEANFILES = noinst_LIBRARIES = libscorecpu.a libscorecpu_a_SOURCES = +libscorecpu_a_SOURCES += ../no_cpu/cpucounterfrequency.c libscorecpu_a_SOURCES += ../no_cpu/cpucounterread.c libscorecpu_a_SOURCES += nios2-context-initialize.c libscorecpu_a_SOURCES += nios2-context-switch.S diff --git a/cpukit/score/cpu/nios2/include/rtems/score/cpu.h b/cpukit/score/cpu/nios2/include/rtems/score/cpu.h index c7fdb92d01..1d088ed058 100644 --- a/cpukit/score/cpu/nios2/include/rtems/score/cpu.h +++ b/cpukit/score/cpu/nios2/include/rtems/score/cpu.h @@ -353,6 +353,8 @@ static inline uint32_t CPU_swap_u32( uint32_t value ) typedef uint32_t CPU_Counter_ticks; +uint32_t _CPU_Counter_frequency( void ); + CPU_Counter_ticks _CPU_Counter_read( void ); static inline CPU_Counter_ticks _CPU_Counter_difference( -- cgit v1.2.3