sfp-util_32.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(w1, w0, u, v)
#define	udiv_qrnnd(q, r, n1, n0, d)
#define	UDIV_NEEDS_NORMALIZATION   0
#define	abort()   return 0
#define	__BYTE_ORDER   __LITTLE_ENDIAN

Macro Definition Documentation

#define __BYTE_ORDER   __LITTLE_ENDIAN

Definition at line 114 of file sfp-util_32.h.

#define abort

(

void

)

return 0

Definition at line 108 of file sfp-util_32.h.

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

Value:

__asm__ ("addcc %r4,%5,%1\n\t"                      \
       "addx %r2,%3,%0\n"                       \
       : "=r" ((USItype)(sh)),                  \
         "=&r" ((USItype)(sl))                  \
       : "%rJ" ((USItype)(ah)),                 \
         "rI" ((USItype)(bh)),                  \
         "%rJ" ((USItype)(al)),                 \
         "rI" ((USItype)(bl))                   \
       : "cc")

Definition at line 6 of file sfp-util_32.h.

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

Value:

__asm__ ("subcc %r4,%5,%1\n\t"                      \
       "subx %r2,%3,%0\n"                       \
       : "=r" ((USItype)(sh)),                  \
         "=&r" ((USItype)(sl))                  \
       : "rJ" ((USItype)(ah)),                  \
         "rI" ((USItype)(bh)),                  \
         "rJ" ((USItype)(al)),                  \
         "rI" ((USItype)(bl))                   \
       : "cc")

Definition at line 16 of file sfp-util_32.h.

#define UDIV_NEEDS_NORMALIZATION   0

Definition at line 106 of file sfp-util_32.h.

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

Value:

__asm__ ("! Inlined udiv_qrnnd\n\t"                 \
       "mov 32,%%g1\n\t"                        \
       "subcc   %1,%2,%%g0\n\t"                 \
       "1:  bcs 5f\n\t"                     \
       "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t"    \
       "sub %1,%2,%1    ! this kills msb of n\n\t"      \
       "addx    %1,%1,%1    ! so this can't give carry\n\t" \
       "subcc   %%g1,1,%%g1\n\t"                \
       "2:  bne 1b\n\t"                     \
       "subcc   %1,%2,%%g0\n\t"                 \
       "bcs 3f\n\t"                         \
       "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t"    \
       "b       3f\n\t"                     \
       "sub %1,%2,%1    ! this kills msb of n\n\t"      \
       "4:  sub %1,%2,%1\n\t"                   \
       "5:  addxcc  %1,%1,%1\n\t"                   \
       "bcc 2b\n\t"                         \
       "subcc   %%g1,1,%%g1\n\t"                \
       "! Got carry from n.  Subtract next step to cancel this carry.\n\t" \
       "bne 4b\n\t"                         \
       "addcc   %0,%0,%0    ! shift n1n0 and a 0-bit in lsb\n\t" \
       "sub %1,%2,%1\n\t"                       \
       "3:  xnor    %0,0,%0\n\t"                    \
       "! End of inline udiv_qrnnd\n"               \
       : "=&r" ((USItype)(q)),                  \
         "=&r" ((USItype)(r))                   \
       : "r" ((USItype)(d)),                    \
         "1" ((USItype)(n1)),                   \
         "0" ((USItype)(n0)) : "%g1", "cc")

Definition at line 76 of file sfp-util_32.h.

#define umul_ppmm	(		w1,
			w0,
			u,
			v
	)

Definition at line 27 of file sfp-util_32.h.