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| author | Jan Sommer <summerspam@web.de> | 2015-08-01 05:43:12 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2015-08-01 10:20:18 -0700 |
| commit | 1cf91e0b0a6e93a5344a9b4fc6c09f44ff95d1e2 (patch) | |
| tree | 8fc850f452bcfe4703752553bae330b4e30aeae0 | |
| parent | ampolish3: Use env to find perl more reliably (diff) | |
| download | rtems-1cf91e0b0a6e93a5344a9b4fc6c09f44ff95d1e2.tar.bz2 | |
Add __synch_synchronize function for arm
Fixes link failure when linking Ada programs on the raspberry pi
| -rw-r--r-- | cpukit/score/cpu/arm/Makefile.am | 1 | ||||
| -rw-r--r-- | cpukit/score/cpu/arm/armv4-sync-synchronize.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/Makefile.am b/cpukit/score/cpu/arm/Makefile.am index c051a4894f..4b242f0fa4 100644 --- a/cpukit/score/cpu/arm/Makefile.am +++ b/cpukit/score/cpu/arm/Makefile.am @@ -27,6 +27,7 @@ libscorecpu_a_SOURCES += arm_exc_handler_high.c libscorecpu_a_SOURCES += arm-exception-frame-print.c libscorecpu_a_SOURCES += arm-exception-default.c libscorecpu_a_SOURCES += armv4-exception-default.S +libscorecpu_a_SOURCES += armv4-sync-synchronize.c libscorecpu_a_SOURCES += armv7-thread-idle.c libscorecpu_a_SOURCES += armv7m-context-initialize.c libscorecpu_a_SOURCES += armv7m-context-restore.c diff --git a/cpukit/score/cpu/arm/armv4-sync-synchronize.c b/cpukit/score/cpu/arm/armv4-sync-synchronize.c new file mode 100644 index 0000000000..6fcac05684 --- /dev/null +++ b/cpukit/score/cpu/arm/armv4-sync-synchronize.c @@ -0,0 +1,9 @@ +void +__sync_synchronize (void) +{ +#ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS + asm volatile("dmb" : : : "memory"); +#else + asm volatile("" : : : "memory"); +#endif +}
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