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-rw-r--r--builtin/stdint.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/builtin/stdint.h b/builtin/stdint.h
index fe4a92e2ea..ba73218273 100644
--- a/builtin/stdint.h
+++ b/builtin/stdint.h
@@ -51,4 +51,11 @@ typedef uint8_t uint_least8_t;
#define INT64_C(c) c ## LL
#endif
+#ifndef UINT64_MAX
+#define UINT64_MAX UINT64_C(18446744073709551615)
+#endif
+#ifndef INT64_MAX
+#define INT64_MAX INT64_C(9223372036854775807)
+#endif
+
#endif /* __CROS_EC_STDINT_H__ */