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/arch/blackfin/include/asm/string.h

@@ -0,0 +1,63 @@
+/*
+ * U-Boot - string.h String functions
+ *
+ * Copyright (c) 2005-2007 Analog Devices Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Changed by Lineo Inc. May 2001 */
+
+#ifndef _BLACKFINNOMMU_STRING_H_
+#define _BLACKFINNOMMU_STRING_H_
+
+#ifdef __KERNEL__		/* only set these up for kernel code */
+
+#define __HAVE_ARCH_STRCPY
+#define __HAVE_ARCH_STRNCPY
+#define __HAVE_ARCH_STRCMP
+#define __HAVE_ARCH_STRNCMP
+#define __HAVE_ARCH_MEMCPY
+#define __HAVE_ARCH_MEMCMP
+#define __HAVE_ARCH_MEMSET
+#define __HAVE_ARCH_MEMMOVE
+
+extern char *strcpy(char *dest, const char *src);
+extern char *strncpy(char *dest, const char *src, size_t n);
+extern int strcmp(const char *cs, const char *ct);
+extern int strncmp(const char *cs, const char *ct, size_t count);
+extern void *memcpy(void *dest, const void *src, size_t count);
+extern void *memset(void *s, int c, size_t count);
+extern int memcmp(const void *, const void *, size_t);
+extern void *memmove(void *dest, const void *src, size_t count);
+
+#else				/* KERNEL */
+
+/*
+ * let user libraries deal with these,
+ * IMHO the kernel has no place defining these functions for user apps
+ */
+
+#define __HAVE_ARCH_STRCPY	1
+#define __HAVE_ARCH_STRNCPY	1
+#define __HAVE_ARCH_STRCAT	1
+#define __HAVE_ARCH_STRNCAT	1
+#define __HAVE_ARCH_STRCMP	1
+#define __HAVE_ARCH_STRNCMP	1
+#define __HAVE_ARCH_STRNICMP	1
+#define __HAVE_ARCH_STRCHR	1
+#define __HAVE_ARCH_STRRCHR	1
+#define __HAVE_ARCH_STRSTR	1
+#define __HAVE_ARCH_STRLEN	1
+#define __HAVE_ARCH_STRNLEN	1
+#define __HAVE_ARCH_MEMSET	1
+#define __HAVE_ARCH_MEMCPY	1
+#define __HAVE_ARCH_MEMMOVE	1
+#define __HAVE_ARCH_MEMSCAN	1
+#define __HAVE_ARCH_MEMCMP	1
+#define __HAVE_ARCH_MEMCHR	1
+#define __HAVE_ARCH_STRTOK	1
+
+#endif				/* KERNEL */
+
+#endif				/* _BLACKFIN_STRING_H_ */