xref: /plan9-contrib/riscv64/include/u.h (revision ce95e1b3727b9cb1c223ffbed69aff21a8ced255)
1 #define nil		((void*)0)
2 typedef	unsigned short	ushort;
3 typedef	unsigned char	uchar;
4 typedef	unsigned long	ulong;
5 typedef	unsigned int	uint;
6 typedef	signed char	schar;
7 typedef	long long	vlong;
8 typedef	unsigned long long uvlong;
9 typedef vlong		intptr;
10 typedef unsigned long long uintptr;
11 typedef unsigned long	usize;
12 typedef	uint		Rune;
13 typedef union FPdbleword FPdbleword;
14 
15 typedef uintptr	jmp_buf[2];
16 #define	JMPBUFSP	0
17 #define	JMPBUFPC	1
18 #define	JMPBUFDPC	0
19 typedef unsigned int	mpdigit;	/* for /sys/include/mp.h */
20 
21 typedef unsigned char u8int;
22 typedef unsigned short u16int;
23 typedef unsigned int	u32int;
24 typedef unsigned long long u64int;
25 
26 /* FCR */
27 #define	FPINEX	0
28 #define	FPUNFL	0
29 #define	FPOVFL	0
30 #define	FPZDIV	0
31 #define	FPINVAL	0
32 #define	FPRNR	(0<<5)
33 #define	FPRZ	(1<<5)
34 #define	FPRPINF	(3<<5)
35 #define	FPRNINF	(2<<5)
36 #define	FPRMASK	(15<<5)
37 #define	FPPEXT	0
38 #define	FPPSGL	0
39 #define	FPPDBL	0
40 #define	FPPMASK	0
41 /* FSR */
42 #define	FPAINEX	(1<<0)
43 #define	FPAOVFL	(1<<2)
44 #define	FPAUNFL	(1<<1)
45 #define	FPAZDIV	(1<<3)
46 #define	FPAINVAL (1<<4)
47 
48 union FPdbleword
49 {
50 	double	x;
51 	struct {	/* little endian */
52 		ulong lo;
53 		ulong hi;
54 	};
55 };
56 
57 /* stdarg - little-endian 64-bit */
58 typedef	uintptr	va_list;
59 #define va_start(list, start) list =\
60 	(sizeof(start) < 4?\
61 		(uintptr)((long*)&(start)+1):\
62 		(uintptr)(&(start)+1))
63 #define va_end(list)\
64 	USED(list)
65 #define va_arg(list, mode)\
66 	((sizeof(mode) == 1)?\
67 		((list += 4), (mode*)list)[-4]:\
68 	(sizeof(mode) == 2)?\
69 		((list += 4), (mode*)list)[-2]:\
70 	(sizeof(mode) == 4)?\
71 		((list += 4), (mode*)list)[-1]:\
72 		((list += sizeof(mode)+7), (list &= ~7), (mode*)list)[-1])
73 
74 #define _BITS64		/* for ape */
75