IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT
lm_igu_sb->vector_number = (val & IGU_REG_MAPPING_MEMORY_VECTOR_MASK) >> IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT;
vec = (val & IGU_REG_MAPPING_MEMORY_VECTOR_MASK) >> IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT;
| (IGU_REG_MAPPING_MEMORY_VECTOR_MASK & (vector_number << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT))