diff options
Diffstat (limited to 'src/include/sys/misc.h')
| -rw-r--r-- | src/include/sys/misc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h index e1f8e42a7..1ffd8e6a7 100644 --- a/src/include/sys/misc.h +++ b/src/include/sys/misc.h @@ -133,6 +133,18 @@ enum CpuSprNames */ uint64_t cpu_spr_value(CpuSprNames spr); +/** @fn cpu_master_winkle + * @brief Winkle the master core so runtime SLW image can be applied. + * + * This requires that the master core is the only one executing instructions. + * Will execute the winkle instruction on all running threads and return when + * an IPI is receieved on the master thread of the core. + * + * @retval 0 - Success + * @retval -EDEADLK - Cores other than the master are already running. + */ +int cpu_master_winkle(); + #ifdef __cplusplus } #endif |
