RTEMS  5.0.0
•All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Modules Pages
compiler.h
1 /* ---------------------------------------------------------------------------- */
2 /* Atmel Microcontroller Software Support */
3 /* SAM Software Package License */
4 /* ---------------------------------------------------------------------------- */
5 /* Copyright (c) 2015, Atmel Corporation */
6 /* */
7 /* All rights reserved. */
8 /* */
9 /* Redistribution and use in source and binary forms, with or without */
10 /* modification, are permitted provided that the following condition is met: */
11 /* */
12 /* - Redistributions of source code must retain the above copyright notice, */
13 /* this list of conditions and the disclaimer below. */
14 /* */
15 /* Atmel's name may not be used to endorse or promote products derived from */
16 /* this software without specific prior written permission. */
17 /* */
18 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */
19 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
20 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
21 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */
22 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
23 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
24 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
25 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
26 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
27 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
28 /* ---------------------------------------------------------------------------- */
29 
30 #ifndef _COMPILER_H_
31 #define _COMPILER_H_
32 
33 #ifdef __rtems__
34 #include <bspopts.h>
35 #endif /* __rtems__ */
36 /*
37  * Peripherals registers definitions
38  */
39 #if defined __SAMV71J19__ \
40  || defined __SAMV71J20__ \
41  || defined __SAMV71J21__ \
42  || defined __SAMV71N19__ \
43  || defined __SAMV71N20__ \
44  || defined __SAMV71N21__ \
45  || defined __SAMV71Q19__ \
46  || defined __SAMV71Q20__ \
47  || defined __SAMV71Q21__
48  #include "include/samv71/samv71.h"
49 #elif defined __SAMS70J19__ \
50  || defined __SAMS70J20__ \
51  || defined __SAMS70J21__ \
52  || defined __SAMS70N19__ \
53  || defined __SAMS70N20__ \
54  || defined __SAMS70N21__ \
55  || defined __SAMS70Q19__ \
56  || defined __SAMS70Q20__ \
57  || defined __SAMS70Q21__
58  #include "include/sams70/sams70.h"
59 #elif defined __SAME70J19__ \
60  || defined __SAME70J20__ \
61  || defined __SAME70J21__ \
62  || defined __SAME70N19__ \
63  || defined __SAME70N20__ \
64  || defined __SAME70N21__ \
65  || defined __SAME70Q19__ \
66  || defined __SAME70Q20__ \
67  || defined __SAME70Q21__
68  #include "include/same70/same70.h"
69 #else
70  #error "please define correct macro for the chip first!"
71 #endif
72 
73 
74 //_____ D E C L A R A T I O N S ____________________________________________
75 
76 #ifndef __ASSEMBLY__
77 
78 #include <stddef.h>
79 #include <stdlib.h>
80 #include <stdbool.h>
81 #include <stdint.h>
82 
83 /* Define WEAK attribute */
84 #if defined (__CC_ARM)
85  #define WEAK __attribute__ ((weak))
86 #elif defined (__ICCARM__)
87  #define WEAK __weak
88 #elif defined (__GNUC__)
89  #define WEAK __attribute__ ((weak))
90 #endif
91 
92 /* Define Compiler name of tool chains */
93 #if defined (__CC_ARM)
94  #define COMPILER_NAME "KEIL"
95 #elif defined (__ICCARM__)
96  #define COMPILER_NAME "IAR"
97 #elif defined (__GNUC__)
98  #define COMPILER_NAME "GCC"
99 #endif
100 
101 /* Define NO_INIT attribute */
102 #if defined (__CC_ARM)
103  #define NO_INIT
104 #elif defined (__ICCARM__)
105  #define NO_INIT __no_init
106 #elif defined (__GNUC__)
107  #define NO_INIT
108 #endif
109 
110 
111 /* Define memory sync for tool chains */
112 #if defined (__CC_ARM)
113  #define memory_sync() __dsb(15);__isb(15);
114 #elif defined (__ICCARM__)
115  #define memory_sync() __DSB();__ISB();
116 #elif defined (__GNUC__)
117  #define memory_sync() __DSB();__ISB();
118 #endif
119 
120 /* Define memory barrier for tool chains */
121 #if defined (__CC_ARM)
122  #define memory_barrier() __dmb(15);
123 #elif defined (__ICCARM__)
124  #define memory_barrier() __DMB();
125 #elif defined (__GNUC__)
126  #define memory_barrier() __DMB();
127 #endif
128 
139 #define TPASTE2(a, b) a##b
141 #define TPASTE3(a, b, c) a##b##c
142 
153 #define ATPASTE2(a, b) TPASTE2(a, b)
155 #define ATPASTE3(a, b, c) TPASTE3(a, b, c)
156 
158 
165 #define COMPILER_PRAGMA(arg) _Pragma(#arg)
166 
172 #define COMPILER_PACK_SET(alignment) COMPILER_PRAGMA(pack(alignment))
173 
179 #define COMPILER_PACK_RESET() COMPILER_PRAGMA(pack())
180 
185 #if defined (__CC_ARM)
186  #define COMPILER_SECTION(a) __attribute__((__section__(a)))
187 #elif defined (__ICCARM__)
188  #define COMPILER_SECTION(a) COMPILER_PRAGMA(location = a)
189 #elif defined (__GNUC__)
190  #define COMPILER_SECTION(a) __attribute__((__section__(a)))
191 #endif
192 
196 #if defined (__CC_ARM)
197  #define COMPILER_ALIGNED(a) __attribute__((__aligned__(a)))
198 #elif defined (__ICCARM__)
199  #define COMPILER_ALIGNED(a) COMPILER_PRAGMA(data_alignment = a)
200 #elif defined (__GNUC__)
201  #define COMPILER_ALIGNED(a) __attribute__((__aligned__(a)))
202 #endif
203 
208 #if defined (__CC_ARM)
209  #define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4)))
210 #elif defined (__ICCARM__)
211  #define COMPILER_WORD_ALIGNED COMPILER_PRAGMA(data_alignment = 4)
212 #elif defined (__GNUC__)
213  #define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4)))
214 #endif
215 
216 
217 
229 
239 #define Abs(a) (((a) < 0) ? -(a) : (a))
240 
250 #define Min(a, b) (((a) < (b)) ? (a) : (b))
251 
261 #define Max(a, b) (((a) > (b)) ? (a) : (b))
262 
263 // abs() is already defined by stdlib.h
264 
274 #define min(a, b) Min(a, b)
275 
285 #define max(a, b) Max(a, b)
286 
288 
289 #define be32_to_cpu(x) __REV(x)
290 #define cpu_to_be32(x) __REV(x)
291 #define BE32_TO_CPU(x) __REV(x)
292 #define CPU_TO_BE32(x) __REV(x)
293 
298 #define UNUSED(v) (void)(v)
299 
321 # define irq_initialize_vectors() \
322  do { \
323  } while (0)
324 
342 # define irq_register_handler(int_num, int_prio) \
343  NVIC_ClearPendingIRQ((IRQn_Type)int_num); \
344  NVIC_SetPriority((IRQn_Type)int_num, int_prio); \
345  NVIC_EnableIRQ((IRQn_Type)int_num); \
346 
347 
348 
349 
350 # define cpu_irq_enable() \
351  do { \
352  /*g_interrupt_enabled = true; */ \
353  __DMB(); \
354  __enable_irq(); \
355  } while (0)
356 # define cpu_irq_disable() \
357  do { \
358  __disable_irq(); \
359  __DMB(); \
360  /*g_interrupt_enabled = false; */ \
361  } while (0)
362 
363  typedef uint32_t irqflags_t;
364 
365 #if !defined(__DOXYGEN__)
366  extern volatile bool g_interrupt_enabled;
367 #endif
368 
369 #define cpu_irq_is_enabled() (__get_PRIMASK() == 0)
370 
371  static volatile uint32_t cpu_irq_critical_section_counter;
372  static volatile bool cpu_irq_prev_interrupt_state;
373 
374  static inline irqflags_t cpu_irq_save(void)
375  {
376  irqflags_t flags = cpu_irq_is_enabled();
377  cpu_irq_disable();
378  return flags;
379  }
380 
381  static inline bool cpu_irq_is_enabled_flags(irqflags_t flags)
382  {
383  return (flags);
384  }
385 
386  static inline void cpu_irq_restore(irqflags_t flags)
387  {
388  if (cpu_irq_is_enabled_flags(flags))
389  cpu_irq_enable();
390  }
391  /*
392  void cpu_irq_enter_critical(void);
393  void cpu_irq_leave_critical(void);*/
394 
400 #define Enable_global_interrupt() cpu_irq_enable()
401 #define Disable_global_interrupt() cpu_irq_disable()
402 #define Is_global_interrupt_enabled() cpu_irq_is_enabled()
403 
404 
405  //_____ M A C R O S ________________________________________________________
406 
409 #define DISABLE 0
411 #define ENABLE 1
412 #define DISABLED 0
413 #define ENABLED 1
414 #define OFF 0
415 #define ON 1
416 #define FALSE 0
417 #define TRUE 1
418 #ifndef __cplusplus
419  #if !defined(__bool_true_false_are_defined)
420  #define false FALSE
421  #define true TRUE
422  #endif
423 #endif
424 #define KO 0
425 #define OK 1
426 #define PASS 0
427 #define FAIL 1
428 #define LOW 0
429 #define HIGH 1
430 #define CLR 0
431 #define SET 1
432 
440 #define ctz(u) ((u) & (1ul << 0) ? 0 : \
441  (u) & (1ul << 1) ? 1 : \
442  (u) & (1ul << 2) ? 2 : \
443  (u) & (1ul << 3) ? 3 : \
444  (u) & (1ul << 4) ? 4 : \
445  (u) & (1ul << 5) ? 5 : \
446  (u) & (1ul << 6) ? 6 : \
447  (u) & (1ul << 7) ? 7 : \
448  (u) & (1ul << 8) ? 8 : \
449  (u) & (1ul << 9) ? 9 : \
450  (u) & (1ul << 10) ? 10 : \
451  (u) & (1ul << 11) ? 11 : \
452  (u) & (1ul << 12) ? 12 : \
453  (u) & (1ul << 13) ? 13 : \
454  (u) & (1ul << 14) ? 14 : \
455  (u) & (1ul << 15) ? 15 : \
456  (u) & (1ul << 16) ? 16 : \
457  (u) & (1ul << 17) ? 17 : \
458  (u) & (1ul << 18) ? 18 : \
459  (u) & (1ul << 19) ? 19 : \
460  (u) & (1ul << 20) ? 20 : \
461  (u) & (1ul << 21) ? 21 : \
462  (u) & (1ul << 22) ? 22 : \
463  (u) & (1ul << 23) ? 23 : \
464  (u) & (1ul << 24) ? 24 : \
465  (u) & (1ul << 25) ? 25 : \
466  (u) & (1ul << 26) ? 26 : \
467  (u) & (1ul << 27) ? 27 : \
468  (u) & (1ul << 28) ? 28 : \
469  (u) & (1ul << 29) ? 29 : \
470  (u) & (1ul << 30) ? 30 : \
471  (u) & (1ul << 31) ? 31 : \
472  32)
473 
474 #endif // __ASSEMBLY__
475 
476 #endif // _COMPILER_H_
Generated by   doxygen 1.8.13