plan9/mips/include/u.h

79 lines
2.0 KiB
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#define nil ((void*)0)
typedef unsigned short ushort;
typedef unsigned char uchar;
typedef unsigned long ulong;
typedef unsigned int uint;
typedef signed char schar;
typedef long long vlong;
typedef unsigned long long uvlong;
typedef unsigned long uintptr;
typedef unsigned long usize;
typedef uint Rune;
typedef union FPdbleword FPdbleword;
typedef long jmp_buf[2];
#define JMPBUFSP 0
#define JMPBUFPC 1
#define JMPBUFDPC 0
typedef unsigned int mpdigit; /* for /sys/include/mp.h */
typedef unsigned char u8int;
typedef unsigned short u16int;
typedef unsigned int u32int;
typedef unsigned long long u64int;
/* FCR (FCR31) */
#define FPINEX (1<<7) /* enables */
#define FPUNFL (1<<8)
#define FPOVFL (1<<9)
#define FPZDIV (1<<10)
#define FPINVAL (1<<11)
#define FPRNR (0<<0) /* rounding modes */
#define FPRZ (1<<0)
#define FPRPINF (2<<0)
#define FPRNINF (3<<0)
#define FPRMASK (3<<0)
#define FPPEXT 0
#define FPPSGL 0
#define FPPDBL 0
#define FPPMASK 0
#define FPCOND (1<<23)
/* FSR (also FCR31) */
#define FPAINEX (1<<2) /* flags */
#define FPAOVFL (1<<4)
#define FPAUNFL (1<<3)
#define FPAZDIV (1<<5)
#define FPAINVAL (1<<6)
union FPdbleword
{
double x;
struct { /* big endian */
ulong hi;
ulong lo;
};
};
/* stdarg */
typedef char* va_list;
#define va_start(list, start) list =\
(sizeof(start) < 4?\
(char*)((int*)&(start)+1):\
(char*)(&(start)+1))
#define va_end(list)\
USED(list)
#define va_arg(list, mode)\
((sizeof(mode) == 1)?\
((list += 4), (mode*)list)[-1]:\
(sizeof(mode) == 2)?\
((list += 4), (mode*)list)[-1]:\
((list += sizeof(mode)), (mode*)list)[-1])