ref: e391b7ec8c0dc746a70725f3fc598def0419d1e6
dir: /riscv64/include/u.h/
#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 vlong intptr;
typedef unsigned long long uintptr;
/*
* not terribly useful, really should be uintptr, but
* changing usize width from ulong changes system call binary interface due to
* dubious use of va_arg(list, usize) in 9k/port.
*/
typedef unsigned long usize;
typedef uint Rune;
typedef union FPdbleword FPdbleword;
typedef uintptr 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;
typedef signed char s8int;
typedef signed short s16int;
typedef signed int s32int;
typedef signed long long s64int;
/* FCR */
#define FPINEX 0 /* trap enables: none on risc-v */
#define FPUNFL 0
#define FPOVFL 0
#define FPZDIV 0
#define FPINVAL 0
#define FPRNR (0<<5) /* rounding modes */
#define FPRZ (1<<5)
#define FPRPINF (3<<5)
#define FPRNINF (2<<5)
#define FPRMASK (7<<5)
#define FPPEXT 0 /* precision */
#define FPPSGL 0
#define FPPDBL 0
#define FPPMASK 0
/* FSR */
#define FPAINEX (1<<0) /* accrued exceptions */
#define FPAOVFL (1<<2)
#define FPAUNFL (1<<1)
#define FPAZDIV (1<<3)
#define FPAINVAL (1<<4)
union FPdbleword
{
double x;
struct { /* little endian */
ulong lo;
ulong hi;
};
};
/* stdarg - little-endian 64-bit */
/*
* types narrower than long are widened to long then pushed.
* types wider than long are pushed on vlong alignment boundaries.
*/
typedef uintptr va_list;
#define va_start(list, start) list =\
(sizeof(start) < 4?\
(va_list)((long*)&(start)+1):\
(va_list)(&(start)+1))
#define va_end(list)\
USED(list)
#define va_arg(list, mode)\
((sizeof(mode) == 1)?\
((list += 4), (mode*)list)[-4]:\
(sizeof(mode) == 2)?\
((list += 4), (mode*)list)[-2]:\
(sizeof(mode) == 4)?\
((list += 4), (mode*)list)[-1]:\
((list = (list + sizeof(mode)+7) & ~7), (mode*)list)[-1])
#define _BITS64 /* for pool allocator & ape */
#define _RISCV64 /* for cpucap in Tos */