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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup arm32  
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/** @addtogroup arm32
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 * @{
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 * @{
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 */
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 */
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/**
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/**
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 * @file
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 * @file
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 * @brief Utilities for convenient manipulation with ARM registers.
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 * @brief Utilities for convenient manipulation with ARM registers.
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/* [CS]PRS manipulation macros */
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/* [CS]PRS manipulation macros */
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#define GEN_STATUS_READ(nm,reg) \
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#define GEN_STATUS_READ(nm,reg) \
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static inline uint32_t nm## _status_reg_read(void) \
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static inline uint32_t nm## _status_reg_read(void) \
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{ \
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{ \
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    uint32_t retval; \
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    uint32_t retval; \
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    asm volatile( \
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        "mrs %[retval], " #reg \
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    asm volatile("mrs %0, " #reg : "=r" (retval)); \
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        : [retval] "=r" (retval) \
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    ); \
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    return retval; \
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    return retval; \
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}
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}
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#define GEN_STATUS_WRITE(nm,reg,fieldname, field) \
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#define GEN_STATUS_WRITE(nm,reg,fieldname, field) \
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static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \
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static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \
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{ \
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{ \
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    asm volatile( \
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    asm volatile("msr " #reg "_" #field ", %0" : : "r" (value)); \
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        "msr " #reg "_" #field ", %[value]" \
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        :: [value] "r" (value) \
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    ); \
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}
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}
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/** Returns the value of CPSR (Current Program Status Register). */
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/** Returns the value of CPSR (Current Program Status Register). */
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GEN_STATUS_READ(current, cpsr)
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GEN_STATUS_READ(current, cpsr)