Fixed bootloaders accepting flash writes to the bootloader region (thanks to NicoHood).

[pub/USBasp.git] / LUFA / Common / CompilerSpecific.h

diff --git a/LUFA/Common/CompilerSpecific.h b/LUFA/Common/CompilerSpecific.h
index 6b4826a..01884f1 100644 (file)
--- a/LUFA/Common/CompilerSpecific.h
+++ b/LUFA/Common/CompilerSpecific.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2018.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2018  Dean Camera (dean [at] fourwalledcubicle [dot] com)

 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 

-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this

   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages


@@ -29,7 +29,7 @@
 */
 
 /** \file
 */
 
 /** \file

- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \brief Compiler specific definitions for code optimization and correctness.

  *
  *  \copydetails Group_CompilerSpecific
  *
  *
  *  \copydetails Group_CompilerSpecific
  *


@@ -38,12 +38,12 @@
  */
 
 /** \ingroup Group_Common
  */
 
 /** \ingroup Group_Common

- *  \defgroup Group_CompilerSpecific Compiler Specific Macros
- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \defgroup Group_CompilerSpecific Compiler Specific Definitions
+ *  \brief Compiler specific definitions for code optimization and correctness.

  *
  *

- *  Compiler specific macros to expose certain compiler features which may increase the level of code optimization
+ *  Compiler specific definitions to expose certain compiler features which may increase the level of code optimization

  *  for a specific compiler, or correct certain issues that may be present such as memory barriers for use in conjunction
  *  for a specific compiler, or correct certain issues that may be present such as memory barriers for use in conjunction

- *  with atomic variable access. 
+ *  with atomic variable access.

  *
  *  Where possible, on alternative compilers, these macros will either have no effect, or default to returning a sane value
  *  so that they can be used in existing code without the need for extra compiler checks in the user application code.
  *
  *  Where possible, on alternative compilers, these macros will either have no effect, or default to returning a sane value
  *  so that they can be used in existing code without the need for extra compiler checks in the user application code.


@@ -70,26 +70,25 @@
                                 *
                                 *  \param[in, out] StructPtr  Pointer to a structure which is to be forced into indirect access mode.
                                 */
                                 *
                                 *  \param[in, out] StructPtr  Pointer to a structure which is to be forced into indirect access mode.
                                 */

-                               #define GCC_FORCE_POINTER_ACCESS(StructPtr) __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
+                               #define GCC_FORCE_POINTER_ACCESS(StructPtr)   __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))

 
                                /** Forces GCC to create a memory barrier, ensuring that memory accesses are not reordered past the barrier point.
                                 *  This can be used before ordering-critical operations, to ensure that the compiler does not re-order the resulting
                                 *  assembly output in an unexpected manner on sections of code that are ordering-specific.
                                 */
 
                                /** Forces GCC to create a memory barrier, ensuring that memory accesses are not reordered past the barrier point.
                                 *  This can be used before ordering-critical operations, to ensure that the compiler does not re-order the resulting
                                 *  assembly output in an unexpected manner on sections of code that are ordering-specific.
                                 */

-                               #define GCC_MEMORY_BARRIER()                __asm__ __volatile__("" ::: "memory");
-                               
-                               /** Evaluates to boolean true if the specified value can be determined at compile time to be a constant value
-                                *  when compiling under GCC.
+                               #define GCC_MEMORY_BARRIER()                  __asm__ __volatile__("" ::: "memory");
+
+                               /** Determines if the specified value can be determined at compile-time to be a constant value when compiling under GCC.

                                 *
                                 *

-                                *  \param[in] x  Value to check compile time constantness of.
+                                *  \param[in] x  Value to check compile-time constantness of.

                                 *
                                 *

-                                *  \return Boolean true if the given value is known to be a compile time constant.
+                                *  \return Boolean \c true if the given value is known to be a compile time constant, \c false otherwise.

                                 */
                                 */

-                               #define GCC_IS_COMPILE_CONST(x)             __builtin_constant_p(x)
+                               #define GCC_IS_COMPILE_CONST(x)               __builtin_constant_p(x)

                        #else
                                #define GCC_FORCE_POINTER_ACCESS(StructPtr)
                                #define GCC_MEMORY_BARRIER()
                        #else
                                #define GCC_FORCE_POINTER_ACCESS(StructPtr)
                                #define GCC_MEMORY_BARRIER()

-                               #define GCC_IS_COMPILE_CONST(x)             0
+                               #define GCC_IS_COMPILE_CONST(x)               0

                        #endif
 
 #endif
                        #endif
 
 #endif