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-rw-r--r--include/common.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h
index af8b154..d244bd4 100644
--- a/include/common.h
+++ b/include/common.h
@@ -124,6 +124,27 @@ typedef volatile unsigned char vu_char;
#define debugX(level,fmt,args...)
#endif /* DEBUG */
+#ifdef DEBUG
+# define _DEBUG 1
+#else
+# define _DEBUG 0
+#endif
+
+/*
+ * An assertion is run-time check done in debug mode only. If DEBUG is not
+ * defined then it is skipped. If DEBUG is defined and the assertion fails,
+ * then it calls panic*( which may or may not reset/halt U-Boot (see
+ * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found
+ * before release, and after release it is hoped that they don't matter. But
+ * in any case these failing assertions cannot be fixed with a reset (which
+ * may just do the same assertion again).
+ */
+void __assert_fail(const char *assertion, const char *file, unsigned line,
+ const char *function);
+#define assert(x) \
+ ({ if (!(x) && _DEBUG) \
+ __assert_fail(#x, __FILE__, __LINE__, __func__); })
+
#define error(fmt, args...) do { \
printf("ERROR: " fmt "\nat %s:%d/%s()\n", \
##args, __FILE__, __LINE__, __func__); \