Remove unused files, and tidy the directory structure of the remaining ones.

Review URL: http://codereview.chromium.org/2815011

firmware/include/utility.h

@@ -0,0 +1,69 @@
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Helper functions/wrappers for memory allocations, manipulation and
+ * comparison.
+ */
+
+#ifndef VBOOT_REFERENCE_UTILITY_H_
+#define VBOOT_REFERENCE_UTILITY_H_
+
+#include "sysincludes.h"
+
+/* Outputs an error message and quits. */
+void error(const char *format, ...);
+
+/* Outputs debug/warning messages. */
+void debug(const char *format, ...);
+
+#define assert(expr) do { if (!(expr)) { \
+      error("assert fail: %s at %s:%d\n", \
+            #expr, __FILE__, __LINE__); }} while(0)
+
+/* Combine [msw] and [lsw] uint16s to a uint32_t with its [msw] and
+ * [lsw] forming the most and least signficant 16-bit words.
+ */
+#define CombineUint16Pair(msw,lsw) (((msw) << 16) |     \
+                                    (((lsw)) & 0xFFFF))
+/* Return the minimum of (a) or (b). */
+#define Min(a, b) (((a) < (b)) ? (a) : (b))
+
+/* Allocate [size] bytes and return a pointer to the allocated memory. Abort
+ * on error.
+ */
+void* Malloc(size_t size);
+
+/* Free memory pointed by [ptr] previously allocated by Malloc(). */
+void Free(void* ptr);
+
+/* Compare [n] bytes in [src1] and [src2]
+ * Returns an integer less than, equal to, or greater than zero if the first [n]
+ * bytes of [src1] is found, respectively, to be less than, to match, or be
+ * greater than the first n bytes of [src2]. */
+int Memcmp(const void* src1, const void* src2, size_t n);
+
+/* Copy [n] bytes from [src] to [dest]. */
+void* Memcpy(void* dest, const void* src, size_t n);
+
+/* Set [n] bytes starting at [s] to [c]. */
+void* Memset(void *dest, const uint8_t c, size_t n);
+
+/* Compare [n] bytes starting at [s1] with [s2] and return 0 if they match,
+ * 1 if they don't. Time taken to perform the comparison is only dependent on
+ * [n] and not on the relationship of the match between [s1] and [s2].
+ */
+int SafeMemcmp(const void* s1, const void* s2, size_t n);
+
+/* Ensure that only our stub implementations are used, not standard C */
+#ifndef _STUB_IMPLEMENTATION_
+#define malloc _do_not_use_standard_malloc
+#define free _do_not_use_standard_free
+#define memcmp _do_not_use_standard_memcmp
+#define memcpy _do_not_use_standard_memcpy
+#define memset _do_not_use_standard_memset
+#endif
+
+
+#endif  /* VBOOT_REFERENCE_UTILITY_H_ */