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| author | Joel Sherrill <joel@rtems.org> | 2023-07-03 10:32:53 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2023-07-03 10:32:53 -0500 |
| commit | 6264b14804bbe21f13d4691160b45e208286abaa (patch) | |
| tree | aeb41fb50952bd3f3ef27b6fa42a97ff189e843e /cpukit/include/rtems/score | |
| parent | aarch64/zynqmp: Use IRQs for management console (diff) | |
| download | rtems-6264b14804bbe21f13d4691160b45e208286abaa.tar.bz2 | |
Revert accidentally committed "Remove unused _IO_Relax"
Sebastian has agreed to move this out of score. I should have
removed this patch from my tree but accidentally committed it
with another patch.
Diffstat (limited to 'cpukit/include/rtems/score')
| -rw-r--r-- | cpukit/include/rtems/score/io.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpukit/include/rtems/score/io.h b/cpukit/include/rtems/score/io.h index 7fe69841e8..9cd401eb1d 100644 --- a/cpukit/include/rtems/score/io.h +++ b/cpukit/include/rtems/score/io.h @@ -133,6 +133,14 @@ int _IO_Base64url( int wordlen ); +/** + * @brief Issues a couple of no-operation instructions. + * + * This function may be used to burn a couple of processor cycles with minimum + * impact on the system bus. It may be used in busy wait loops. + */ +void _IO_Relax( void ); + /** @} */ #ifdef __cplusplus |