PSTATE_IT_1_0_SHIFT
#define PSTATE_IT_1_0_MASK (0x3 << PSTATE_IT_1_0_SHIFT)
it = (pstate & PSTATE_IT_1_0_MASK) >> PSTATE_IT_1_0_SHIFT;
pstate_it = (it << PSTATE_IT_1_0_SHIFT) & PSTATE_IT_1_0_MASK;