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authorDavid Madison <dmadison@users.noreply.github.com>2019-02-15 13:00:46 -0500
committerGitHub <noreply@github.com>2019-02-15 13:00:46 -0500
commit7d65dd08142eda767eb822bf2d92c3a1bd9f8b8f (patch)
tree5609dee433e7d089e6c4f974fa1d870b4068d613 /firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/UTILS/compiler.h
parent2663be17272e19f00c55f3f2d8f1ebfac47158d6 (diff)
parent91e267bcc42442d4e9da09aab30065ad5d44025a (diff)
Merge pull request #1 from dmadison/forking
Forking
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/UTILS/compiler.h')
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diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/UTILS/compiler.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/UTILS/compiler.h
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-/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file is prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief Compiler file for AVR32.
- *
- * This file defines commonly used types and macros.
- *
- * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices: All AVR32 devices can be used.
- * - AppNote:
- *
- * \author Atmel Corporation: http://www.atmel.com \n
- * Support and FAQ: http://support.atmel.no/
- *
- ******************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- */
-
-#ifndef _COMPILER_H_
-#define _COMPILER_H_
-
-#if ((defined __GNUC__) && (defined __AVR32__)) || (defined __ICCAVR32__ || defined __AAVR32__)
-# include <avr32/io.h>
-#endif
-#if (defined __ICCAVR32__)
-# include <intrinsics.h>
-#endif
-#include "preprocessor.h"
-
-#include "parts.h"
-
-
-//_____ D E C L A R A T I O N S ____________________________________________
-
-#ifdef __AVR32_ABI_COMPILER__ // Automatically defined when compiling for AVR32, not when assembling.
-
-#include <stddef.h>
-#include <stdlib.h>
-
-
-#if (defined __ICCAVR32__)
-
-/*! \name Compiler Keywords
- *
- * Port of some keywords from GNU GCC for AVR32 to IAR Embedded Workbench for Atmel AVR32.
- */
-//! @{
-#define __asm__ asm
-#define __inline__ inline
-#define __volatile__
-//! @}
-
-#endif
-
-
-/*! \name Usual Types
- */
-//! @{
-typedef unsigned char Bool; //!< Boolean.
-#ifndef __cplusplus
-#if !defined(__bool_true_false_are_defined)
-typedef unsigned char bool; //!< Boolean.
-#endif
-#endif
-typedef signed char S8 ; //!< 8-bit signed integer.
-typedef unsigned char U8 ; //!< 8-bit unsigned integer.
-typedef signed short int S16; //!< 16-bit signed integer.
-typedef unsigned short int U16; //!< 16-bit unsigned integer.
-typedef signed long int S32; //!< 32-bit signed integer.
-typedef unsigned long int U32; //!< 32-bit unsigned integer.
-typedef signed long long int S64; //!< 64-bit signed integer.
-typedef unsigned long long int U64; //!< 64-bit unsigned integer.
-typedef float F32; //!< 32-bit floating-point number.
-typedef double F64; //!< 64-bit floating-point number.
-//! @}
-
-
-/*! \name Status Types
- */
-//! @{
-typedef Bool Status_bool_t; //!< Boolean status.
-typedef U8 Status_t; //!< 8-bit-coded status.
-//! @}
-
-
-/*! \name Aliasing Aggregate Types
- */
-//! @{
-
-//! 16-bit union.
-typedef union
-{
- S16 s16 ;
- U16 u16 ;
- S8 s8 [2];
- U8 u8 [2];
-} Union16;
-
-//! 32-bit union.
-typedef union
-{
- S32 s32 ;
- U32 u32 ;
- S16 s16[2];
- U16 u16[2];
- S8 s8 [4];
- U8 u8 [4];
-} Union32;
-
-//! 64-bit union.
-typedef union
-{
- S64 s64 ;
- U64 u64 ;
- S32 s32[2];
- U32 u32[2];
- S16 s16[4];
- U16 u16[4];
- S8 s8 [8];
- U8 u8 [8];
-} Union64;
-
-//! Union of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
-typedef union
-{
- S64 *s64ptr;
- U64 *u64ptr;
- S32 *s32ptr;
- U32 *u32ptr;
- S16 *s16ptr;
- U16 *u16ptr;
- S8 *s8ptr ;
- U8 *u8ptr ;
-} UnionPtr;
-
-//! Union of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
-typedef union
-{
- volatile S64 *s64ptr;
- volatile U64 *u64ptr;
- volatile S32 *s32ptr;
- volatile U32 *u32ptr;
- volatile S16 *s16ptr;
- volatile U16 *u16ptr;
- volatile S8 *s8ptr ;
- volatile U8 *u8ptr ;
-} UnionVPtr;
-
-//! Union of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
-typedef union
-{
- const S64 *s64ptr;
- const U64 *u64ptr;
- const S32 *s32ptr;
- const U32 *u32ptr;
- const S16 *s16ptr;
- const U16 *u16ptr;
- const S8 *s8ptr ;
- const U8 *u8ptr ;
-} UnionCPtr;
-
-//! Union of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
-typedef union
-{
- const volatile S64 *s64ptr;
- const volatile U64 *u64ptr;
- const volatile S32 *s32ptr;
- const volatile U32 *u32ptr;
- const volatile S16 *s16ptr;
- const volatile U16 *u16ptr;
- const volatile S8 *s8ptr ;
- const volatile U8 *u8ptr ;
-} UnionCVPtr;
-
-//! Structure of pointers to 64-, 32-, 16- and 8-bit unsigned integers.
-typedef struct
-{
- S64 *s64ptr;
- U64 *u64ptr;
- S32 *s32ptr;
- U32 *u32ptr;
- S16 *s16ptr;
- U16 *u16ptr;
- S8 *s8ptr ;
- U8 *u8ptr ;
-} StructPtr;
-
-//! Structure of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers.
-typedef struct
-{
- volatile S64 *s64ptr;
- volatile U64 *u64ptr;
- volatile S32 *s32ptr;
- volatile U32 *u32ptr;
- volatile S16 *s16ptr;
- volatile U16 *u16ptr;
- volatile S8 *s8ptr ;
- volatile U8 *u8ptr ;
-} StructVPtr;
-
-//! Structure of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers.
-typedef struct
-{
- const S64 *s64ptr;
- const U64 *u64ptr;
- const S32 *s32ptr;
- const U32 *u32ptr;
- const S16 *s16ptr;
- const U16 *u16ptr;
- const S8 *s8ptr ;
- const U8 *u8ptr ;
-} StructCPtr;
-
-//! Structure of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers.
-typedef struct
-{
- const volatile S64 *s64ptr;
- const volatile U64 *u64ptr;
- const volatile S32 *s32ptr;
- const volatile U32 *u32ptr;
- const volatile S16 *s16ptr;
- const volatile U16 *u16ptr;
- const volatile S8 *s8ptr ;
- const volatile U8 *u8ptr ;
-} StructCVPtr;
-
-//! @}
-
-#endif // __AVR32_ABI_COMPILER__
-
-
-//_____ M A C R O S ________________________________________________________
-
-/*! \name Usual Constants
- */
-//! @{
-#define DISABLE 0
-#define ENABLE 1
-#define DISABLED 0
-#define ENABLED 1
-#define OFF 0
-#define ON 1
-#define FALSE 0
-#define TRUE 1
-#ifndef __cplusplus
-#if !defined(__bool_true_false_are_defined)
-#define false FALSE
-#define true TRUE
-#endif
-#endif
-#define KO 0
-#define OK 1
-#define PASS 0
-#define FAIL 1
-#define LOW 0
-#define HIGH 1
-#define CLR 0
-#define SET 1
-//! @}
-
-
-#ifdef __AVR32_ABI_COMPILER__ // Automatically defined when compiling for AVR32, not when assembling.
-
-/*! \name Bit-Field Handling
- */
-//! @{
-
-/*! \brief Reads the bits of a value specified by a given bit-mask.
- *
- * \param value Value to read bits from.
- * \param mask Bit-mask indicating bits to read.
- *
- * \return Read bits.
- */
-#define Rd_bits( value, mask) ((value) & (mask))
-
-/*! \brief Writes the bits of a C lvalue specified by a given bit-mask.
- *
- * \param lvalue C lvalue to write bits to.
- * \param mask Bit-mask indicating bits to write.
- * \param bits Bits to write.
- *
- * \return Resulting value with written bits.
- */
-#define Wr_bits(lvalue, mask, bits) ((lvalue) = ((lvalue) & ~(mask)) |\
- ((bits ) & (mask)))
-
-/*! \brief Tests the bits of a value specified by a given bit-mask.
- *
- * \param value Value of which to test bits.
- * \param mask Bit-mask indicating bits to test.
- *
- * \return \c 1 if at least one of the tested bits is set, else \c 0.
- */
-#define Tst_bits( value, mask) (Rd_bits(value, mask) != 0)
-
-/*! \brief Clears the bits of a C lvalue specified by a given bit-mask.
- *
- * \param lvalue C lvalue of which to clear bits.
- * \param mask Bit-mask indicating bits to clear.
- *
- * \return Resulting value with cleared bits.
- */
-#define Clr_bits(lvalue, mask) ((lvalue) &= ~(mask))
-
-/*! \brief Sets the bits of a C lvalue specified by a given bit-mask.
- *
- * \param lvalue C lvalue of which to set bits.
- * \param mask Bit-mask indicating bits to set.
- *
- * \return Resulting value with set bits.
- */
-#define Set_bits(lvalue, mask) ((lvalue) |= (mask))
-
-/*! \brief Toggles the bits of a C lvalue specified by a given bit-mask.
- *
- * \param lvalue C lvalue of which to toggle bits.
- * \param mask Bit-mask indicating bits to toggle.
- *
- * \return Resulting value with toggled bits.
- */
-#define Tgl_bits(lvalue, mask) ((lvalue) ^= (mask))
-
-/*! \brief Reads the bit-field of a value specified by a given bit-mask.
- *
- * \param value Value to read a bit-field from.
- * \param mask Bit-mask indicating the bit-field to read.
- *
- * \return Read bit-field.
- */
-#define Rd_bitfield( value, mask) (Rd_bits( value, mask) >> ctz(mask))
-
-/*! \brief Writes the bit-field of a C lvalue specified by a given bit-mask.
- *
- * \param lvalue C lvalue to write a bit-field to.
- * \param mask Bit-mask indicating the bit-field to write.
- * \param bitfield Bit-field to write.
- *
- * \return Resulting value with written bit-field.
- */
-#define Wr_bitfield(lvalue, mask, bitfield) (Wr_bits(lvalue, mask, (U32)(bitfield) << ctz(mask)))
-
-//! @}
-
-
-/*! \brief This macro is used to test fatal errors.
- *
- * The macro tests if the expression is FALSE. If it is, a fatal error is
- * detected and the application hangs up.
- *
- * \param expr Expression to evaluate and supposed to be nonzero.
- */
-#ifdef _ASSERT_ENABLE_
- #define Assert(expr) \
- {\
- if (!(expr)) while (TRUE);\
- }
-#else
- #define Assert(expr)
-#endif
-
-
-/*! \name Zero-Bit Counting
- *
- * Under AVR32-GCC, __builtin_clz and __builtin_ctz behave like macros when
- * applied to constant expressions (values known at compile time), so they are
- * more optimized than the use of the corresponding assembly instructions and
- * they can be used as constant expressions e.g. to initialize objects having
- * static storage duration, and like the corresponding assembly instructions
- * when applied to non-constant expressions (values unknown at compile time), so
- * they are more optimized than an assembly periphrasis. Hence, clz and ctz
- * ensure a possible and optimized behavior for both constant and non-constant
- * expressions.
- */
-//! @{
-
-/*! \brief Counts the leading zero bits of the given value considered as a 32-bit integer.
- *
- * \param u Value of which to count the leading zero bits.
- *
- * \return The count of leading zero bits in \a u.
- */
-#if (defined __GNUC__)
- #define clz(u) __builtin_clz(u)
-#elif (defined __ICCAVR32__)
- #define clz(u) __count_leading_zeros(u)
-#endif
-
-/*! \brief Counts the trailing zero bits of the given value considered as a 32-bit integer.
- *
- * \param u Value of which to count the trailing zero bits.
- *
- * \return The count of trailing zero bits in \a u.
- */
-#if (defined __GNUC__)
- #define ctz(u) __builtin_ctz(u)
-#elif (defined __ICCAVR32__)
- #define ctz(u) __count_trailing_zeros(u)
-#endif
-
-//! @}
-
-
-/*! \name Bit Reversing
- */
-//! @{
-
-/*! \brief Reverses the bits of \a u8.
- *
- * \param u8 U8 of which to reverse the bits.
- *
- * \return Value resulting from \a u8 with reversed bits.
- */
-#define bit_reverse8(u8) ((U8)(bit_reverse32((U8)(u8)) >> 24))
-
-/*! \brief Reverses the bits of \a u16.
- *
- * \param u16 U16 of which to reverse the bits.
- *
- * \return Value resulting from \a u16 with reversed bits.
- */
-#define bit_reverse16(u16) ((U16)(bit_reverse32((U16)(u16)) >> 16))
-
-/*! \brief Reverses the bits of \a u32.
- *
- * \param u32 U32 of which to reverse the bits.
- *
- * \return Value resulting from \a u32 with reversed bits.
- */
-#if (defined __GNUC__)
- #define bit_reverse32(u32) \
- (\
- {\
- unsigned int __value = (U32)(u32);\
- __asm__ ("brev\t%0" : "+r" (__value) : : "cc");\
- (U32)__value;\
- }\
- )
-#elif (defined __ICCAVR32__)
- #define bit_reverse32(u32) ((U32)__bit_reverse((U32)(u32)))
-#endif
-
-/*! \brief Reverses the bits of \a u64.
- *
- * \param u64 U64 of which to reverse the bits.
- *
- * \return Value resulting from \a u64 with reversed bits.
- */
-#define bit_reverse64(u64) ((U64)(((U64)bit_reverse32((U64)(u64) >> 32)) |\
- ((U64)bit_reverse32((U64)(u64)) << 32)))
-
-//! @}
-
-
-/*! \name Alignment
- */
-//! @{
-
-/*! \brief Tests alignment of the number \a val with the \a n boundary.
- *
- * \param val Input value.
- * \param n Boundary.
- *
- * \return \c 1 if the number \a val is aligned with the \a n boundary, else \c 0.
- */
-#define Test_align(val, n ) (!Tst_bits( val, (n) - 1 ) )
-
-/*! \brief Gets alignment of the number \a val with respect to the \a n boundary.
- *
- * \param val Input value.
- * \param n Boundary.
- *
- * \return Alignment of the number \a val with respect to the \a n boundary.
- */
-#define Get_align( val, n ) ( Rd_bits( val, (n) - 1 ) )
-
-/*! \brief Sets alignment of the lvalue number \a lval to \a alg with respect to the \a n boundary.
- *
- * \param lval Input/output lvalue.
- * \param n Boundary.
- * \param alg Alignment.
- *
- * \return New value of \a lval resulting from its alignment set to \a alg with respect to the \a n boundary.
- */
-#define Set_align(lval, n, alg) ( Wr_bits(lval, (n) - 1, alg) )
-
-/*! \brief Aligns the number \a val with the upper \a n boundary.
- *
- * \param val Input value.
- * \param n Boundary.
- *
- * \return Value resulting from the number \a val aligned with the upper \a n boundary.
- */
-#define Align_up( val, n ) (((val) + ((n) - 1)) & ~((n) - 1))
-
-/*! \brief Aligns the number \a val with the lower \a n boundary.
- *
- * \param val Input value.
- * \param n Boundary.
- *
- * \return Value resulting from the number \a val aligned with the lower \a n boundary.
- */
-#define Align_down(val, n ) ( (val) & ~((n) - 1))
-
-//! @}
-
-
-/*! \name Mathematics
- *
- * The same considerations as for clz and ctz apply here but AVR32-GCC does not
- * provide built-in functions to access the assembly instructions abs, min and
- * max and it does not produce them by itself in most cases, so two sets of
- * macros are defined here:
- * - Abs, Min and Max to apply to constant expressions (values known at
- * compile time);
- * - abs, min and max to apply to non-constant expressions (values unknown at
- * compile time).
- */
-//! @{
-
-/*! \brief Takes the absolute value of \a a.
- *
- * \param a Input value.
- *
- * \return Absolute value of \a a.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Abs(a) (((a) < 0 ) ? -(a) : (a))
-
-/*! \brief Takes the minimal value of \a a and \a b.
- *
- * \param a Input value.
- * \param b Input value.
- *
- * \return Minimal value of \a a and \a b.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Min(a, b) (((a) < (b)) ? (a) : (b))
-
-/*! \brief Takes the maximal value of \a a and \a b.
- *
- * \param a Input value.
- * \param b Input value.
- *
- * \return Maximal value of \a a and \a b.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Max(a, b) (((a) > (b)) ? (a) : (b))
-
-/*! \brief Takes the absolute value of \a a.
- *
- * \param a Input value.
- *
- * \return Absolute value of \a a.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#if (defined __GNUC__)
- #define abs(a) \
- (\
- {\
- int __value = (a);\
- __asm__ ("abs\t%0" : "+r" (__value) : : "cc");\
- __value;\
- }\
- )
-#elif (defined __ICCAVR32__)
- #define abs(a) Abs(a)
-#endif
-
-/*! \brief Takes the minimal value of \a a and \a b.
- *
- * \param a Input value.
- * \param b Input value.
- *
- * \return Minimal value of \a a and \a b.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#if (defined __GNUC__)
- #define min(a, b) \
- (\
- {\
- int __value, __arg_a = (a), __arg_b = (b);\
- __asm__ ("min\t%0, %1, %2" : "=r" (__value) : "r" (__arg_a), "r" (__arg_b));\
- __value;\
- }\
- )
-#elif (defined __ICCAVR32__)
- #define min(a, b) __min(a, b)
-#endif
-
-/*! \brief Takes the maximal value of \a a and \a b.
- *
- * \param a Input value.
- * \param b Input value.
- *
- * \return Maximal value of \a a and \a b.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#if (defined __GNUC__)
- #define max(a, b) \
- (\
- {\
- int __value, __arg_a = (a), __arg_b = (b);\
- __asm__ ("max\t%0, %1, %2" : "=r" (__value) : "r" (__arg_a), "r" (__arg_b));\
- __value;\
- }\
- )
-#elif (defined __ICCAVR32__)
- #define max(a, b) __max(a, b)
-#endif
-
-//! @}
-
-
-/*! \brief Calls the routine at address \a addr.
- *
- * It generates a long call opcode.
- *
- * For example, `Long_call(0x80000000)' generates a software reset on a UC3 if
- * it is invoked from the CPU supervisor mode.
- *
- * \param addr Address of the routine to call.
- *
- * \note It may be used as a long jump opcode in some special cases.
- */
-#define Long_call(addr) ((*(void (*)(void))(addr))())
-
-/*! \brief Resets the CPU by software.
- *
- * \warning It shall not be called from the CPU application mode.
- */
-#if (defined __GNUC__)
- #define Reset_CPU() \
- (\
- {\
- __asm__ __volatile__ (\
- "lddpc r9, 3f\n\t"\
- "mfsr r8, %[SR]\n\t"\
- "bfextu r8, r8, %[SR_M_OFFSET], %[SR_M_SIZE]\n\t"\
- "cp.w r8, 0b001\n\t"\
- "breq 0f\n\t"\
- "sub r8, pc, $ - 1f\n\t"\
- "pushm r8-r9\n\t"\
- "rete\n"\
- "0:\n\t"\
- "mtsr %[SR], r9\n"\
- "1:\n\t"\
- "mov r0, 0\n\t"\
- "mov r1, 0\n\t"\
- "mov r2, 0\n\t"\
- "mov r3, 0\n\t"\
- "mov r4, 0\n\t"\
- "mov r5, 0\n\t"\
- "mov r6, 0\n\t"\
- "mov r7, 0\n\t"\
- "mov r8, 0\n\t"\
- "mov r9, 0\n\t"\
- "mov r10, 0\n\t"\
- "mov r11, 0\n\t"\
- "mov r12, 0\n\t"\
- "mov sp, 0\n\t"\
- "stdsp sp[0], sp\n\t"\
- "ldmts sp, sp\n\t"\
- "mov lr, 0\n\t"\
- "lddpc pc, 2f\n\t"\
- ".balign 4\n"\
- "2:\n\t"\
- ".word _start\n"\
- "3:\n\t"\
- ".word %[RESET_SR]"\
- :\
- : [SR] "i" (AVR32_SR),\
- [SR_M_OFFSET] "i" (AVR32_SR_M_OFFSET),\
- [SR_M_SIZE] "i" (AVR32_SR_M_SIZE),\
- [RESET_SR] "i" (AVR32_SR_GM_MASK | AVR32_SR_EM_MASK | (AVR32_SR_M_SUP << AVR32_SR_M_OFFSET))\
- );\
- }\
- )
-#elif (defined __ICCAVR32__)
- #define Reset_CPU() \
- {\
- extern void *volatile __program_start;\
- __asm__ __volatile__ (\
- "mov r7, LWRD(__program_start)\n\t"\
- "orh r7, HWRD(__program_start)\n\t"\
- "mov r9, LWRD("ASTRINGZ(AVR32_SR_GM_MASK | AVR32_SR_EM_MASK | (AVR32_SR_M_SUP << AVR32_SR_M_OFFSET))")\n\t"\
- "orh r9, HWRD("ASTRINGZ(AVR32_SR_GM_MASK | AVR32_SR_EM_MASK | (AVR32_SR_M_SUP << AVR32_SR_M_OFFSET))")\n\t"\
- "mfsr r8, "ASTRINGZ(AVR32_SR)"\n\t"\
- "bfextu r8, r8, "ASTRINGZ(AVR32_SR_M_OFFSET)", "ASTRINGZ(AVR32_SR_M_SIZE)"\n\t"\
- "cp.w r8, 001b\n\t"\
- "breq $ + 10\n\t"\
- "sub r8, pc, -12\n\t"\
- "pushm r8-r9\n\t"\
- "rete\n\t"\
- "mtsr "ASTRINGZ(AVR32_SR)", r9\n\t"\
- "mov r0, 0\n\t"\
- "mov r1, 0\n\t"\
- "mov r2, 0\n\t"\
- "mov r3, 0\n\t"\
- "mov r4, 0\n\t"\
- "mov r5, 0\n\t"\
- "mov r6, 0\n\t"\
- "st.w r0[4], r7\n\t"\
- "mov r7, 0\n\t"\
- "mov r8, 0\n\t"\
- "mov r9, 0\n\t"\
- "mov r10, 0\n\t"\
- "mov r11, 0\n\t"\
- "mov r12, 0\n\t"\
- "mov sp, 0\n\t"\
- "stdsp sp[0], sp\n\t"\
- "ldmts sp, sp\n\t"\
- "mov lr, 0\n\t"\
- "ld.w pc, lr[4]"\
- );\
- __program_start;\
- }
-#endif
-
-
-/*! \name System Register Access
- */
-//! @{
-
-/*! \brief Gets the value of the \a sysreg system register.
- *
- * \param sysreg Address of the system register of which to get the value.
- *
- * \return Value of the \a sysreg system register.
- */
-#if (defined __GNUC__)
- #define Get_system_register(sysreg) __builtin_mfsr(sysreg)
-#elif (defined __ICCAVR32__)
- #define Get_system_register(sysreg) __get_system_register(sysreg)
-#endif
-
-/*! \brief Sets the value of the \a sysreg system register to \a value.
- *
- * \param sysreg Address of the system register of which to set the value.
- * \param value Value to set the \a sysreg system register to.
- */
-#if (defined __GNUC__)
- #define Set_system_register(sysreg, value) __builtin_mtsr(sysreg, value)
-#elif (defined __ICCAVR32__)
- #define Set_system_register(sysreg, value) __set_system_register(sysreg, value)
-#endif
-
-//! @}
-
-
-/*! \name CPU Status Register Access
- */
-//! @{
-
-/*! \brief Tells whether exceptions are globally enabled.
- *
- * \return \c 1 if exceptions are globally enabled, else \c 0.
- */
-#define Is_global_exception_enabled() (!Tst_bits(Get_system_register(AVR32_SR), AVR32_SR_EM_MASK))
-
-/*! \brief Disables exceptions globally.
- */
-#if (defined __GNUC__)
- #define Disable_global_exception() ({__asm__ __volatile__ ("ssrf\t%0" : : "i" (AVR32_SR_EM_OFFSET));})
-#elif (defined __ICCAVR32__)
- #define Disable_global_exception() (__set_status_flag(AVR32_SR_EM_OFFSET))
-#endif
-
-/*! \brief Enables exceptions globally.
- */
-#if (defined __GNUC__)
- #define Enable_global_exception() ({__asm__ __volatile__ ("csrf\t%0" : : "i" (AVR32_SR_EM_OFFSET));})
-#elif (defined __ICCAVR32__)
- #define Enable_global_exception() (__clear_status_flag(AVR32_SR_EM_OFFSET))
-#endif
-
-/*! \brief Tells whether interrupts are globally enabled.
- *
- * \return \c 1 if interrupts are globally enabled, else \c 0.
- */
-#define Is_global_interrupt_enabled() (!Tst_bits(Get_system_register(AVR32_SR), AVR32_SR_GM_MASK))
-
-/*! \brief Disables interrupts globally.
- */
-#if (defined __GNUC__)
- #define Disable_global_interrupt() ({__asm__ __volatile__ ("ssrf\t%0" : : "i" (AVR32_SR_GM_OFFSET));})
-#elif (defined __ICCAVR32__)
- #define Disable_global_interrupt() (__disable_interrupt())
-#endif
-
-/*! \brief Enables interrupts globally.
- */
-#if (defined __GNUC__)
- #define Enable_global_interrupt() ({__asm__ __volatile__ ("csrf\t%0" : : "i" (AVR32_SR_GM_OFFSET));})
-#elif (defined __ICCAVR32__)
- #define Enable_global_interrupt() (__enable_interrupt())
-#endif
-
-/*! \brief Tells whether interrupt level \a int_level is enabled.
- *
- * \param int_level Interrupt level (0 to 3).
- *
- * \return \c 1 if interrupt level \a int_level is enabled, else \c 0.
- */
-#define Is_interrupt_level_enabled(int_level) (!Tst_bits(Get_system_register(AVR32_SR), TPASTE3(AVR32_SR_I, int_level, M_MASK)))
-
-/*! \brief Disables interrupt level \a int_level.
- *
- * \param int_level Interrupt level to disable (0 to 3).
- */
-#if (defined __GNUC__)
- #define Disable_interrupt_level(int_level) ({__asm__ __volatile__ ("ssrf\t%0" : : "i" (TPASTE3(AVR32_SR_I, int_level, M_OFFSET)));})
-#elif (defined __ICCAVR32__)
- #define Disable_interrupt_level(int_level) (__set_status_flag(TPASTE3(AVR32_SR_I, int_level, M_OFFSET)))
-#endif
-
-/*! \brief Enables interrupt level \a int_level.
- *
- * \param int_level Interrupt level to enable (0 to 3).
- */
-#if (defined __GNUC__)
- #define Enable_interrupt_level(int_level) ({__asm__ __volatile__ ("csrf\t%0" : : "i" (TPASTE3(AVR32_SR_I, int_level, M_OFFSET)));})
-#elif (defined __ICCAVR32__)
- #define Enable_interrupt_level(int_level) (__clear_status_flag(TPASTE3(AVR32_SR_I, int_level, M_OFFSET)))
-#endif
-
-/*! \brief Protects subsequent code from interrupts.
- */
-#define AVR32_ENTER_CRITICAL_REGION( ) \
- { \
- Bool global_interrupt_enabled = Is_global_interrupt_enabled(); \
- Disable_global_interrupt(); // Disable the appropriate interrupts.
-
-/*! \brief This macro must always be used in conjunction with AVR32_ENTER_CRITICAL_REGION
- * so that interrupts are enabled again.
- */
-#define AVR32_LEAVE_CRITICAL_REGION( ) \
- if (global_interrupt_enabled) Enable_global_interrupt(); \
- }
-
-//! @}
-
-
-/*! \name Debug Register Access
- */
-//! @{
-
-/*! \brief Gets the value of the \a dbgreg debug register.
- *
- * \param dbgreg Address of the debug register of which to get the value.
- *
- * \return Value of the \a dbgreg debug register.
- */
-#if (defined __GNUC__)
- #define Get_debug_register(dbgreg) __builtin_mfdr(dbgreg)
-#elif (defined __ICCAVR32__)
- #define Get_debug_register(dbgreg) __get_debug_register(dbgreg)
-#endif
-
-/*! \brief Sets the value of the \a dbgreg debug register to \a value.
- *
- * \param dbgreg Address of the debug register of which to set the value.
- * \param value Value to set the \a dbgreg debug register to.
- */
-#if (defined __GNUC__)
- #define Set_debug_register(dbgreg, value) __builtin_mtdr(dbgreg, value)
-#elif (defined __ICCAVR32__)
- #define Set_debug_register(dbgreg, value) __set_debug_register(dbgreg, value)
-#endif
-
-//! @}
-
-#endif // __AVR32_ABI_COMPILER__
-
-
-//! Boolean evaluating MCU little endianism.
-#if ((defined __GNUC__) && (defined __AVR32__)) || ((defined __ICCAVR32__) || (defined __AAVR32__))
- #define LITTLE_ENDIAN_MCU FALSE
-#else
- #error If you are here, you should check what is exactly the processor you are using...
- #define LITTLE_ENDIAN_MCU FALSE
-#endif
-
-// Check that MCU endianism is correctly defined.
-#ifndef LITTLE_ENDIAN_MCU
- #error YOU MUST define the MCU endianism with LITTLE_ENDIAN_MCU: either FALSE or TRUE
-#endif
-
-//! Boolean evaluating MCU big endianism.
-#define BIG_ENDIAN_MCU (!LITTLE_ENDIAN_MCU)
-
-
-#ifdef __AVR32_ABI_COMPILER__ // Automatically defined when compiling for AVR32, not when assembling.
-
-/*! \name MCU Endianism Handling
- */
-//! @{
-
-#if (LITTLE_ENDIAN_MCU==TRUE)
- #define LSB(u16) (((U8 *)&(u16))[0]) //!< Least significant byte of \a u16.
- #define MSB(u16) (((U8 *)&(u16))[1]) //!< Most significant byte of \a u16.
-
- #define LSH(u32) (((U16 *)&(u32))[0]) //!< Least significant half-word of \a u32.
- #define MSH(u32) (((U16 *)&(u32))[1]) //!< Most significant half-word of \a u32.
- #define LSB0W(u32) (((U8 *)&(u32))[0]) //!< Least significant byte of 1st rank of \a u32.
- #define LSB1W(u32) (((U8 *)&(u32))[1]) //!< Least significant byte of 2nd rank of \a u32.
- #define LSB2W(u32) (((U8 *)&(u32))[2]) //!< Least significant byte of 3rd rank of \a u32.
- #define LSB3W(u32) (((U8 *)&(u32))[3]) //!< Least significant byte of 4th rank of \a u32.
- #define MSB3W(u32) LSB0W(u32) //!< Most significant byte of 4th rank of \a u32.
- #define MSB2W(u32) LSB1W(u32) //!< Most significant byte of 3rd rank of \a u32.
- #define MSB1W(u32) LSB2W(u32) //!< Most significant byte of 2nd rank of \a u32.
- #define MSB0W(u32) LSB3W(u32) //!< Most significant byte of 1st rank of \a u32.
-
- #define LSW(u64) (((U32 *)&(u64))[0]) //!< Least significant word of \a u64.
- #define MSW(u64) (((U32 *)&(u64))[1]) //!< Most significant word of \a u64.
- #define LSH0(u64) (((U16 *)&(u64))[0]) //!< Least significant half-word of 1st rank of \a u64.
- #define LSH1(u64) (((U16 *)&(u64))[1]) //!< Least significant half-word of 2nd rank of \a u64.
- #define LSH2(u64) (((U16 *)&(u64))[2]) //!< Least significant half-word of 3rd rank of \a u64.
- #define LSH3(u64) (((U16 *)&(u64))[3]) //!< Least significant half-word of 4th rank of \a u64.
- #define MSH3(u64) LSH0(u64) //!< Most significant half-word of 4th rank of \a u64.
- #define MSH2(u64) LSH1(u64) //!< Most significant half-word of 3rd rank of \a u64.
- #define MSH1(u64) LSH2(u64) //!< Most significant half-word of 2nd rank of \a u64.
- #define MSH0(u64) LSH3(u64) //!< Most significant half-word of 1st rank of \a u64.
- #define LSB0D(u64) (((U8 *)&(u64))[0]) //!< Least significant byte of 1st rank of \a u64.
- #define LSB1D(u64) (((U8 *)&(u64))[1]) //!< Least significant byte of 2nd rank of \a u64.
- #define LSB2D(u64) (((U8 *)&(u64))[2]) //!< Least significant byte of 3rd rank of \a u64.
- #define LSB3D(u64) (((U8 *)&(u64))[3]) //!< Least significant byte of 4th rank of \a u64.
- #define LSB4D(u64) (((U8 *)&(u64))[4]) //!< Least significant byte of 5th rank of \a u64.
- #define LSB5D(u64) (((U8 *)&(u64))[5]) //!< Least significant byte of 6th rank of \a u64.
- #define LSB6D(u64) (((U8 *)&(u64))[6]) //!< Least significant byte of 7th rank of \a u64.
- #define LSB7D(u64) (((U8 *)&(u64))[7]) //!< Least significant byte of 8th rank of \a u64.
- #define MSB7D(u64) LSB0D(u64) //!< Most significant byte of 8th rank of \a u64.
- #define MSB6D(u64) LSB1D(u64) //!< Most significant byte of 7th rank of \a u64.
- #define MSB5D(u64) LSB2D(u64) //!< Most significant byte of 6th rank of \a u64.
- #define MSB4D(u64) LSB3D(u64) //!< Most significant byte of 5th rank of \a u64.
- #define MSB3D(u64) LSB4D(u64) //!< Most significant byte of 4th rank of \a u64.
- #define MSB2D(u64) LSB5D(u64) //!< Most significant byte of 3rd rank of \a u64.
- #define MSB1D(u64) LSB6D(u64) //!< Most significant byte of 2nd rank of \a u64.
- #define MSB0D(u64) LSB7D(u64) //!< Most significant byte of 1st rank of \a u64.
-
-#elif (BIG_ENDIAN_MCU==TRUE)
- #define MSB(u16) (((U8 *)&(u16))[0]) //!< Most significant byte of \a u16.
- #define LSB(u16) (((U8 *)&(u16))[1]) //!< Least significant byte of \a u16.
-
- #define MSH(u32) (((U16 *)&(u32))[0]) //!< Most significant half-word of \a u32.
- #define LSH(u32) (((U16 *)&(u32))[1]) //!< Least significant half-word of \a u32.
- #define MSB0W(u32) (((U8 *)&(u32))[0]) //!< Most significant byte of 1st rank of \a u32.
- #define MSB1W(u32) (((U8 *)&(u32))[1]) //!< Most significant byte of 2nd rank of \a u32.
- #define MSB2W(u32) (((U8 *)&(u32))[2]) //!< Most significant byte of 3rd rank of \a u32.
- #define MSB3W(u32) (((U8 *)&(u32))[3]) //!< Most significant byte of 4th rank of \a u32.
- #define LSB3W(u32) MSB0W(u32) //!< Least significant byte of 4th rank of \a u32.
- #define LSB2W(u32) MSB1W(u32) //!< Least significant byte of 3rd rank of \a u32.
- #define LSB1W(u32) MSB2W(u32) //!< Least significant byte of 2nd rank of \a u32.
- #define LSB0W(u32) MSB3W(u32) //!< Least significant byte of 1st rank of \a u32.
-
- #define MSW(u64) (((U32 *)&(u64))[0]) //!< Most significant word of \a u64.
- #define LSW(u64) (((U32 *)&(u64))[1]) //!< Least significant word of \a u64.
- #define MSH0(u64) (((U16 *)&(u64))[0]) //!< Most significant half-word of 1st rank of \a u64.
- #define MSH1(u64) (((U16 *)&(u64))[1]) //!< Most significant half-word of 2nd rank of \a u64.
- #define MSH2(u64) (((U16 *)&(u64))[2]) //!< Most significant half-word of 3rd rank of \a u64.
- #define MSH3(u64) (((U16 *)&(u64))[3]) //!< Most significant half-word of 4th rank of \a u64.
- #define LSH3(u64) MSH0(u64) //!< Least significant half-word of 4th rank of \a u64.
- #define LSH2(u64) MSH1(u64) //!< Least significant half-word of 3rd rank of \a u64.
- #define LSH1(u64) MSH2(u64) //!< Least significant half-word of 2nd rank of \a u64.
- #define LSH0(u64) MSH3(u64) //!< Least significant half-word of 1st rank of \a u64.
- #define MSB0D(u64) (((U8 *)&(u64))[0]) //!< Most significant byte of 1st rank of \a u64.
- #define MSB1D(u64) (((U8 *)&(u64))[1]) //!< Most significant byte of 2nd rank of \a u64.
- #define MSB2D(u64) (((U8 *)&(u64))[2]) //!< Most significant byte of 3rd rank of \a u64.
- #define MSB3D(u64) (((U8 *)&(u64))[3]) //!< Most significant byte of 4th rank of \a u64.
- #define MSB4D(u64) (((U8 *)&(u64))[4]) //!< Most significant byte of 5th rank of \a u64.
- #define MSB5D(u64) (((U8 *)&(u64))[5]) //!< Most significant byte of 6th rank of \a u64.
- #define MSB6D(u64) (((U8 *)&(u64))[6]) //!< Most significant byte of 7th rank of \a u64.
- #define MSB7D(u64) (((U8 *)&(u64))[7]) //!< Most significant byte of 8th rank of \a u64.
- #define LSB7D(u64) MSB0D(u64) //!< Least significant byte of 8th rank of \a u64.
- #define LSB6D(u64) MSB1D(u64) //!< Least significant byte of 7th rank of \a u64.
- #define LSB5D(u64) MSB2D(u64) //!< Least significant byte of 6th rank of \a u64.
- #define LSB4D(u64) MSB3D(u64) //!< Least significant byte of 5th rank of \a u64.
- #define LSB3D(u64) MSB4D(u64) //!< Least significant byte of 4th rank of \a u64.
- #define LSB2D(u64) MSB5D(u64) //!< Least significant byte of 3rd rank of \a u64.
- #define LSB1D(u64) MSB6D(u64) //!< Least significant byte of 2nd rank of \a u64.
- #define LSB0D(u64) MSB7D(u64) //!< Least significant byte of 1st rank of \a u64.
-
-#else
- #error Unknown endianism.
-#endif
-
-//! @}
-
-
-/*! \name Endianism Conversion
- *
- * The same considerations as for clz and ctz apply here but AVR32-GCC's
- * __builtin_bswap_16 and __builtin_bswap_32 do not behave like macros when
- * applied to constant expressions, so two sets of macros are defined here:
- * - Swap16, Swap32 and Swap64 to apply to constant expressions (values known
- * at compile time);
- * - swap16, swap32 and swap64 to apply to non-constant expressions (values
- * unknown at compile time).
- */
-//! @{
-
-/*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
- *
- * \param u16 U16 of which to toggle the endianism.
- *
- * \return Value resulting from \a u16 with toggled endianism.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Swap16(u16) ((U16)(((U16)(u16) >> 8) |\
- ((U16)(u16) << 8)))
-
-/*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
- *
- * \param u32 U32 of which to toggle the endianism.
- *
- * \return Value resulting from \a u32 with toggled endianism.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Swap32(u32) ((U32)(((U32)Swap16((U32)(u32) >> 16)) |\
- ((U32)Swap16((U32)(u32)) << 16)))
-
-/*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
- *
- * \param u64 U64 of which to toggle the endianism.
- *
- * \return Value resulting from \a u64 with toggled endianism.
- *
- * \note More optimized if only used with values known at compile time.
- */
-#define Swap64(u64) ((U64)(((U64)Swap32((U64)(u64) >> 32)) |\
- ((U64)Swap32((U64)(u64)) << 32)))
-
-/*! \brief Toggles the endianism of \a u16 (by swapping its bytes).
- *
- * \param u16 U16 of which to toggle the endianism.
- *
- * \return Value resulting from \a u16 with toggled endianism.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#if (defined __GNUC__)
- #define swap16(u16) ((U16)__builtin_bswap_16((U16)(u16)))
-#elif (defined __ICCAVR32__)
- #define swap16(u16) ((U16)__swap_bytes_in_halfwords((U16)(u16)))
-#endif
-
-/*! \brief Toggles the endianism of \a u32 (by swapping its bytes).
- *
- * \param u32 U32 of which to toggle the endianism.
- *
- * \return Value resulting from \a u32 with toggled endianism.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#if (defined __GNUC__)
- #define swap32(u32) ((U32)__builtin_bswap_32((U32)(u32)))
-#elif (defined __ICCAVR32__)
- #define swap32(u32) ((U32)__swap_bytes((U32)(u32)))
-#endif
-
-/*! \brief Toggles the endianism of \a u64 (by swapping its bytes).
- *
- * \param u64 U64 of which to toggle the endianism.
- *
- * \return Value resulting from \a u64 with toggled endianism.
- *
- * \note More optimized if only used with values unknown at compile time.
- */
-#define swap64(u64) ((U64)(((U64)swap32((U64)(u64) >> 32)) |\
- ((U64)swap32((U64)(u64)) << 32)))
-
-//! @}
-
-
-/*! \name Target Abstraction
- */
-//! @{
-
-#define _GLOBEXT_ extern //!< extern storage-class specifier.
-#define _CONST_TYPE_ const //!< const type qualifier.
-#define _MEM_TYPE_SLOW_ //!< Slow memory type.
-#define _MEM_TYPE_MEDFAST_ //!< Fairly fast memory type.
-#define _MEM_TYPE_FAST_ //!< Fast memory type.
-
-typedef U8 Byte; //!< 8-bit unsigned integer.
-
-#define memcmp_ram2ram memcmp //!< Target-specific memcmp of RAM to RAM.
-#define memcmp_code2ram memcmp //!< Target-specific memcmp of RAM to NVRAM.
-#define memcpy_ram2ram memcpy //!< Target-specific memcpy from RAM to RAM.
-#define memcpy_code2ram memcpy //!< Target-specific memcpy from NVRAM to RAM.
-
-#define LSB0(u32) LSB0W(u32) //!< Least significant byte of 1st rank of \a u32.
-#define LSB1(u32) LSB1W(u32) //!< Least significant byte of 2nd rank of \a u32.
-#define LSB2(u32) LSB2W(u32) //!< Least significant byte of 3rd rank of \a u32.
-#define LSB3(u32) LSB3W(u32) //!< Least significant byte of 4th rank of \a u32.
-#define MSB3(u32) MSB3W(u32) //!< Most significant byte of 4th rank of \a u32.
-#define MSB2(u32) MSB2W(u32) //!< Most significant byte of 3rd rank of \a u32.
-#define MSB1(u32) MSB1W(u32) //!< Most significant byte of 2nd rank of \a u32.
-#define MSB0(u32) MSB0W(u32) //!< Most significant byte of 1st rank of \a u32.
-
-//! @}
-
-#endif // __AVR32_ABI_COMPILER__
-
-
-#endif // _COMPILER_H_