diff options
Diffstat (limited to 'os/nil/ports/ARMCMx/nilcore_v7m.h')
| -rw-r--r-- | os/nil/ports/ARMCMx/nilcore_v7m.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/os/nil/ports/ARMCMx/nilcore_v7m.h b/os/nil/ports/ARMCMx/nilcore_v7m.h index 4ae692d7d..41c038fcc 100644 --- a/os/nil/ports/ARMCMx/nilcore_v7m.h +++ b/os/nil/ports/ARMCMx/nilcore_v7m.h @@ -389,6 +389,9 @@ static inline void port_init(void) { /* DWT cycle counter enable.*/
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
+#if CORTEX_MODEL == 7
+ DWT->LAR = 0xC5ACCE55;
+#endif
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
/* Initialization of the system vectors used by the port.*/
|