1 #ifndef MDU88X_HEADER
2 #define MDU88X_HEADER
3 
4 #include <stdint.h>
5 
6 /* unsigned OPs */
7 
8 extern uint8_t mdu_32udiv16(uint32_t op1, uint16_t op2,
9 			    uint32_t *res, uint16_t *rem)
10   __reentrant;
11 extern uint8_t mdu_16udiv16(uint16_t op1, uint16_t op2,
12 			    uint16_t *res, uint16_t *rem)
13     __reentrant;
14 extern uint8_t mdu_16umul16(uint16_t op1, uint16_t op2,
15 			    uint32_t *res)
16     __reentrant;
17 
18 /* signed OPs */
19 
20 extern uint8_t mdu_32sdiv16(int32_t op1, int16_t op2,
21 			    int32_t *res, int16_t *rem)
22   __reentrant;
23 extern uint8_t mdu_16sdiv16(int16_t op1, int16_t op2,
24 			    int16_t *res, int16_t *rem)
25     __reentrant;
26 extern uint8_t mdu_16smul16(int16_t op1, int16_t op2,
27 			    int32_t *res)
28     __reentrant;
29 
30 /* normalize */
31 
32 extern uint8_t mdu_norm(uint32_t op,
33 			uint32_t *res, uint8_t *nuof_shifts)
34     __reentrant;
35 
36 /* logical shifts */
37 
38 extern uint8_t mdu_lshift(uint32_t op, uint8_t shifts, uint8_t right,
39 			  uint32_t *res)
40     __reentrant;
41 extern uint8_t mdu_lshift_left(uint32_t op, uint8_t shifts,
42 			       uint32_t *res)
43     __reentrant;
44 extern uint8_t mdu_lshift_right(uint32_t op, uint8_t shifts,
45 				uint32_t *res)
46     __reentrant;
47 
48 /* arithmetic shifts */
49 
50 extern uint8_t mdu_ashift(int32_t op, int8_t shifts, int8_t right,
51 			  int32_t *res)
52     __reentrant;
53 extern uint8_t mdu_ashift_left(int32_t op, int8_t shifts,
54 			       int32_t *res)
55     __reentrant;
56 extern uint8_t mdu_ashift_right(int32_t op, int8_t shifts,
57 				int32_t *res)
58     __reentrant;
59 
60 #endif
61