sfp-util.h File Reference

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <asm/byteorder.h>

Go to the source code of this file.

Macros
#define	add_ssaaaa(sh, sl, ah, al, bh, bl)
#define	sub_ddmmss(sh, sl, ah, al, bh, bl)
#define	umul_ppmm(wh, wl, u, v)
#define	udiv_qrnnd(q, r, n1, n0, d)
#define	UDIV_NEEDS_NORMALIZATION   0
#define	abort()   BUG()
#define	__BYTE_ORDER   __BIG_ENDIAN

Functions
unsigned long	__udiv_qrnnd (unsigned int *, unsigned int, unsigned int, unsigned int)

Macro Definition Documentation

#define __BYTE_ORDER   __BIG_ENDIAN

Definition at line 77 of file sfp-util.h.

#define abort

(

void

)

BUG()

Definition at line 75 of file sfp-util.h.

#define add_ssaaaa	(		sh,
			sl,
			ah,
			al,
			bh,
			bl
	)

Value:

({      \
    unsigned int __sh = (ah);           \
    unsigned int __sl = (al);           \
    asm volatile(                   \
        "   alr %1,%3\n"        \
        "   brc 12,0f\n"        \
        "   ahi %0,1\n"         \
        "0: alr  %0,%2"         \
        : "+&d" (__sh), "+d" (__sl)     \
        : "d" (bh), "d" (bl) : "cc");       \
    (sh) = __sh;                    \
    (sl) = __sl;                    \
})

Definition at line 6 of file sfp-util.h.

#define sub_ddmmss	(		sh,
			sl,
			ah,
			al,
			bh,
			bl
	)

Value:

({      \
    unsigned int __sh = (ah);           \
    unsigned int __sl = (al);           \
    asm volatile(                   \
        "   slr %1,%3\n"        \
        "   brc 3,0f\n"         \
        "   ahi %0,-1\n"        \
        "0: slr %0,%2"          \
        : "+&d" (__sh), "+d" (__sl)     \
        : "d" (bh), "d" (bl) : "cc");       \
    (sh) = __sh;                    \
    (sl) = __sl;                    \
})

Definition at line 20 of file sfp-util.h.

#define UDIV_NEEDS_NORMALIZATION   0

Definition at line 73 of file sfp-util.h.

#define udiv_qrnnd	(		q,
			r,
			n1,
			n0,
			d
	)

Value:

do { unsigned int __r;              \
    (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));     \
    (r) = __r;                      \
  } while (0)

Definition at line 64 of file sfp-util.h.

#define umul_ppmm	(		wh,
			wl,
			u,
			v
	)

Value:

({          \
    unsigned int __wh = u;              \
    unsigned int __wl = v;              \
    asm volatile(                   \
        "   ltr 1,%0\n"         \
        "   mr  0,%1\n"         \
        "   jnm 0f\n"               \
        "   alr 0,%1\n"         \
        "0: ltr %1,%1\n"            \
        "   jnm 1f\n"               \
        "   alr 0,%0\n"         \
        "1: lr  %0,0\n"         \
        "   lr  %1,1\n"         \
        : "+d" (__wh), "+d" (__wl)      \
        : : "0", "1", "cc");            \
    wh = __wh;                  \
    wl = __wl;                  \
})

Definition at line 35 of file sfp-util.h.

Function Documentation

unsigned long __udiv_qrnnd	(	unsigned int *	,
		unsigned	int,
		unsigned	int,
		unsigned	int
	)