bool maskints_erratum;
};
-static inline struct cortex_m_common *
-target_to_cm(struct target *target)
-{
- return container_of(target->arch_info,
- struct cortex_m_common, armv7m);
-}
-
static inline bool is_cortex_m_or_hla(const struct cortex_m_common *cortex_m)
{
return cortex_m->common_magic == CORTEX_M_COMMON_MAGIC;
return !cortex_m->armv7m.is_hla_target;
}
+/**
+ * @returns the pointer to the target specific struct
+ * without matching a magic number.
+ * Use in target specific service routines, where the correct
+ * type of arch_info is certain.
+ */
+static inline struct cortex_m_common *
+target_to_cm(struct target *target)
+{
+ return container_of(target->arch_info,
+ struct cortex_m_common, armv7m.arm);
+}
+
+/**
+ * @returns the pointer to the target specific struct
+ * or NULL if the magic number does not match.
+ * Use in a flash driver or any place where mismatch of the arch_info
+ * type can happen.
+ */
+static inline struct cortex_m_common *
+target_to_cortex_m_safe(struct target *target)
+{
+ /* Check the parent types first to prevent peeking memory too far
+ * from arch_info pointer */
+ if (!target_to_armv7m_safe(target))
+ return NULL;
+
+ struct cortex_m_common *cortex_m = target_to_cm(target);
+ if (!is_cortex_m_or_hla(cortex_m))
+ return NULL;
+
+ return cortex_m;
+}
+
int cortex_m_examine(struct target *target);
int cortex_m_set_breakpoint(struct target *target, struct breakpoint *breakpoint);
int cortex_m_unset_breakpoint(struct target *target, struct breakpoint *breakpoint);