diff options
Diffstat (limited to 'arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h')
| -rw-r--r-- | arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h b/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h new file mode 100644 index 000000000000..236f91efe7e8 --- /dev/null +++ b/arch/cris/include/arch-v32/arch/hwregs/reg_rdwr.h @@ -0,0 +1,17 @@ +/* + * Read/write register macros used by *_defs.h + */ + +#ifndef reg_rdwr_h +#define reg_rdwr_h + +#ifndef REG_READ +#define REG_READ(type, addr) (*((volatile type *) (addr))) +#endif + +#ifndef REG_WRITE +#define REG_WRITE(type, addr, val) \ + do { *((volatile type *) (addr)) = (val); } while(0) +#endif + +#endif |