sdcc/device/include/stdatomic.h

   1 #ifndef __SDCC_STDATOMIC_H
   2 #define __SDCC_STDATOMIC_H 1
   3
   4 #include <sdcc-lib.h>
   5
   6 #ifndef __SDCC_ATOMIC_EXTERN
   7 #define __SDCC_ATOMIC_EXTERN
   8 #endif
   9
  10 typedef struct {unsigned char flag;} atomic_flag;
  11
  12 _Bool atomic_flag_test_and_set(volatile atomic_flag *object) __SDCC_NONBANKED;
  13
  14 #if defined(__SDCC_mcs51) || defined(__SDCC_ds390)
  15
  16 #define ATOMIC_FLAG_INIT {0}
  17
  18 __SDCC_ATOMIC_EXTERN
  19 inline void atomic_flag_clear(volatile atomic_flag *object) __SDCC_NONBANKED
  20 {
  21         object->flag = 0;
  22 }
  23
  24 #elif defined(__SDCC_f8)
  25
  26 #define ATOMIC_FLAG_INIT {0}
  27
  28 _Bool atomic_flag_test_and_set(volatile atomic_flag *object);
  29
  30 __SDCC_ATOMIC_EXTERN
  31 inline void atomic_flag_clear(volatile atomic_flag *object)
  32 {
  33         object->flag = 0;
  34 }
  35
  36 #elif defined(__SDCC_z80) || defined(__SDCC_z180) || defined(__SDCC_ez80_z80) || defined(__SDCC_z80n) || defined(__SDCC_sm83) || defined(__SDCC_r2k) || defined(__SDCC_r2ka) || defined(__SDCC_r3ka) || defined(__SDCC_r800)
  37
  38 #define ATOMIC_FLAG_INIT {0xfe}
  39
  40 __SDCC_ATOMIC_EXTERN
  41 inline void atomic_flag_clear(volatile atomic_flag *object)
  42 {
  43         object->flag = 0xfe;
  44 }
  45
  46 #elif defined(__SDCC_tlcs90) || defined(__SDCC_stm8) || defined(__SDCC_hc08) || defined(__SDCC_s08) || defined(__SDCC_mos6502) || defined(__SDCC_mos65c02)
  47
  48 #define ATOMIC_FLAG_INIT {1}
  49
  50 __SDCC_ATOMIC_EXTERN
  51 inline void atomic_flag_clear(volatile atomic_flag *object)
  52 {
  53         object->flag = 1;
  54 }
  55
  56 #else
  57
  58 #error Support for atomic_flag not implemented
  59
  60 #endif
  61
  62 #endif
  63