RTEMS  5.0.0
Macros
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>

Go to the source code of this file.

Macros

#define ALT_CAST(type, ptr)   ((type) (ptr))
 
#define alt_write_byte(dest, src)   (*ALT_CAST(volatile uint8_t *, (dest)) = (src))
 
#define alt_read_byte(src)   (*ALT_CAST(volatile uint8_t *, (src)))
 
#define alt_write_hword(dest, src)   (*ALT_CAST(volatile uint16_t *, (dest)) = (src))
 
#define alt_read_hword(src)   (*ALT_CAST(volatile uint16_t *, (src)))
 
#define alt_write_word(dest, src)   (*ALT_CAST(volatile uint32_t *, (dest)) = (src))
 
#define alt_read_word(src)   (*ALT_CAST(volatile uint32_t *, (src)))
 
#define alt_write_dword(dest, src)   (*ALT_CAST(volatile uint64_t *, (dest)) = (src))
 
#define alt_read_dword(src)   (*ALT_CAST(volatile uint64_t *, (src)))
 
#define alt_setbits_byte(dest, bits)   (alt_write_byte(dest, alt_read_byte(dest) | (bits)))
 
#define alt_clrbits_byte(dest, bits)   (alt_write_byte(dest, alt_read_byte(dest) & ~(bits)))
 
#define alt_xorbits_byte(dest, bits)   (alt_write_byte(dest, alt_read_byte(dest) ^ (bits)))
 
#define alt_replbits_byte(dest, msk, src)   (alt_write_byte(dest,(alt_read_byte(dest) & ~(msk)) | ((src) & (msk))))
 
#define alt_setbits_hword(dest, bits)   (alt_write_hword(dest, alt_read_hword(dest) | (bits)))
 
#define alt_clrbits_hword(dest, bits)   (alt_write_hword(dest, alt_read_hword(dest) & ~(bits)))
 
#define alt_xorbits_hword(dest, bits)   (alt_write_hword(dest, alt_read_hword(dest) ^ (bits)))
 
#define alt_replbits_hword(dest, msk, src)   (alt_write_hword(dest,(alt_read_hword(dest) & ~(msk)) | ((src) & (msk))))
 
#define alt_setbits_word(dest, bits)   (alt_write_word(dest, alt_read_word(dest) | (bits)))
 
#define alt_clrbits_word(dest, bits)   (alt_write_word(dest, alt_read_word(dest) & ~(bits)))
 
#define alt_xorbits_word(dest, bits)   (alt_write_word(dest, alt_read_word(dest) ^ (bits)))
 
#define alt_replbits_word(dest, msk, src)   (alt_write_word(dest,(alt_read_word(dest) & ~(msk)) | ((src) & (msk))))
 
#define alt_setbits_dword(dest, bits)   (alt_write_dword(dest, alt_read_dword(dest) | (bits)))
 
#define alt_clrbits_dword(dest, bits)   (alt_write_dword(dest, alt_read_dword(dest) & ~(bits)))
 
#define alt_xorbits_dword(dest, bits)   (alt_write_dword(dest, alt_read_dword(dest) ^ (bits)))
 
#define alt_replbits_dword(dest, msk, src)   (alt_write_dword(dest,(alt_read_dword(dest) & ~(msk)) | ((src) & (msk))))