avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/post/lib_powerpc/fpu/acc1.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+/*
+ * This file is originally a part of the GCC testsuite.
+ */
+
+#include <common.h>
+
+#include <post.h>
+
+GNU_FPOST_ATTR
+
+#if CONFIG_POST & CONFIG_SYS_POST_FPU
+
+static double func (const double *array)
+{
+	double d = *array;
+
+	if (d == 0.0)
+		return d;
+	else
+		return d + func (array + 1);
+}
+
+int fpu_post_test_math5 (void)
+{
+	double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
+
+	if (func (values) != 0.1e-100) {
+		post_log ("Error in FPU math5 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */