29 rt_inline void cache_enable(rt_uint32_t bit)  in cache_enable()  argument
36 		:"r" (bit)					\  in cache_enable()
40 rt_inline void cache_disable(rt_uint32_t bit)  in cache_disable()  argument
47 		:"r" (bit)					\  in cache_disable()
65 rt_inline void cache_enable(rt_uint32_t bit)  in cache_enable()  argument
72 		orr value, value, bit  in cache_enable()
77 rt_inline void cache_disable(rt_uint32_t bit)  in cache_disable()  argument
84 		bic value, value, bit  in cache_disable()
178  * This function finds the first bit set (beginning with the least significant bit) 
179  * in value and return the index of that bit.
181  * Bits are numbered starting at 1 (the least significant bit).  A return value of 
184  * @return return the index of the first bit set. If value is 0, then this function