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/20010226-1.c

@@ -0,0 +1,37 @@
+/*
+ * 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
+
+int fpu_post_test_math3 (void)
+{
+	volatile long double dfrom = 1.1;
+	volatile long double m1;
+	volatile long double m2;
+	volatile unsigned long mant_long;
+
+	m1 = dfrom / 2.0;
+	m2 = m1 * 4294967296.0;
+	mant_long = ((unsigned long) m2) & 0xffffffff;
+
+	if (mant_long != 0x8ccccccc) {
+		post_log ("Error in FPU math3 test\n");
+		return -1;
+	}
+	return 0;
+}
+
+#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */