Fixed bug #987.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12425 110e8d01-0319-4d1e-a829-52ad28d1bb01

os/hal/osal/os-less/ARMCMx/osal.h

@@ -598,6 +598,11 @@ static inline void osalSysLockFromISR(void) {
  */
 static inline void osalSysUnlockFromISR(void) {
 
+#if CORTEX_MODEL == 0
+  __enable_irq();
+#else
+  __set_BASEPRI(0);
+#endif
 }
 
 /**

readme.txt

@@ -160,6 +160,8 @@
 - EX:  Updated LIS302DL to 1.1.0 (backported to 18.2.1).
 - EX:  Updated LPS25H to 1.1.0 (backported to 18.2.1).
 - EX:  Updated LSM303DLHC to 1.1.0 (backported to 18.2.1).
+- HAL: Fixed OS-Less Cortex-M HAL functionality broken (bug #987)
+       (backported to 18.2.2).
 - HAL: Fixed broken functionality of MFS module (bug #986).
 - NIL: Fixed scheduler misbehaving in rare cases (bug #983)
        (backported to 18.2.2 and 17.6.5).