Fixed bug #916.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11466 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/common/startup/ARMCMx/compilers/GCC/crt0_v7m.S

@@ -52,6 +52,15 @@
 /* Module pre-compile time settings.                                         */
 /*===========================================================================*/
 
+/**
+ * @brief   Enforces initialization of MSP.
+ * @note    This is required if the boot process is not reliable for whatever
+ *          reason (bad ROMs, bad bootloaders, bad debuggers=.
+ */
+#if !defined(CRT0_VTOR_INIT) || defined(__DOXYGEN__)
+#define CRT0_FORCE_MSP_INIT                 TRUE
+#endif
+
 /**
  * @brief   VTOR special register initialization.
  * @details VTOR is initialized to point to the vectors table.

readme.txt

@@ -167,7 +167,9 @@
        dependencies and configuration directories. This makes possible
        to have multiple non-conflicting makefiles in the same project.
        Updated the various platform.mk implementing "smart build" mode.
-- EX:  Improved MEMS drivers (bug #915)(backported to 17.6.4).
+- STP: Fixed CRT0_FORCE_MSP_INIT flag not defaulted in crt0_v7m.S (bug #916)
+       (backported to 17.6.4).
+- EX:  Improved MEMS drivers (bug #916)(backported to 17.6.4).
 - HAL: Improved peripheral classes (bug #915)(backported to 17.6.4).
 - HAL: Fixed more instances of bug #843 (bug #914)(backported to 17.6.4
        and 16.1.10).