Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / lib / libfdt / fdt_strerror.c

diff --git a/qemu/roms/u-boot/lib/libfdt/fdt_strerror.c b/qemu/roms/u-boot/lib/libfdt/fdt_strerror.c
new file mode 100644 (file)
index 0000000..2f3cc24
--- /dev/null
+++ b/qemu/roms/u-boot/lib/libfdt/fdt_strerror.c
@@ -0,0 +1,55 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ * SPDX-License-Identifier:    GPL-2.0+ BSD-2-Clause
+ */
+#include "libfdt_env.h"
+
+#ifndef USE_HOSTCC
+#include <fdt.h>
+#include <libfdt.h>
+#else
+#include "fdt_host.h"
+#endif
+
+#include "libfdt_internal.h"
+
+struct fdt_errtabent {
+       const char *str;
+};
+
+#define FDT_ERRTABENT(val) \
+       [(val)] = { .str = #val, }
+
+static struct fdt_errtabent fdt_errtable[] = {
+       FDT_ERRTABENT(FDT_ERR_NOTFOUND),
+       FDT_ERRTABENT(FDT_ERR_EXISTS),
+       FDT_ERRTABENT(FDT_ERR_NOSPACE),
+
+       FDT_ERRTABENT(FDT_ERR_BADOFFSET),
+       FDT_ERRTABENT(FDT_ERR_BADPATH),
+       FDT_ERRTABENT(FDT_ERR_BADSTATE),
+
+       FDT_ERRTABENT(FDT_ERR_TRUNCATED),
+       FDT_ERRTABENT(FDT_ERR_BADMAGIC),
+       FDT_ERRTABENT(FDT_ERR_BADVERSION),
+       FDT_ERRTABENT(FDT_ERR_BADSTRUCTURE),
+       FDT_ERRTABENT(FDT_ERR_BADLAYOUT),
+};
+#define FDT_ERRTABSIZE (sizeof(fdt_errtable) / sizeof(fdt_errtable[0]))
+
+const char *fdt_strerror(int errval)
+{
+       if (errval > 0)
+               return "<valid offset/length>";
+       else if (errval == 0)
+               return "<no error>";
+       else if (errval > -FDT_ERRTABSIZE) {
+               const char *s = fdt_errtable[-errval].str;
+
+               if (s)
+                       return s;
+       }
+
+       return "<unknown error>";
+}