11da177e4SLinus Torvalds #include <linux/kernel.h> 21da177e4SLinus Torvalds #include <linux/sched.h> 31da177e4SLinus Torvalds #include <linux/types.h> 41da177e4SLinus Torvalds #include <asm/byteorder.h> 51da177e4SLinus Torvalds #include <asm/fpu.h> 61da177e4SLinus Torvalds 71da177e4SLinus Torvalds #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 81da177e4SLinus Torvalds ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 111da177e4SLinus Torvalds ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #define umul_ppmm(wh, wl, u, v) \ 141da177e4SLinus Torvalds __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \ 151da177e4SLinus Torvalds : "=r" ((UDItype)(wh)), \ 161da177e4SLinus Torvalds "=&r" ((UDItype)(wl)) \ 171da177e4SLinus Torvalds : "r" ((UDItype)(u)), \ 181da177e4SLinus Torvalds "r" ((UDItype)(v))) 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds #define udiv_qrnnd(q, r, n1, n0, d) \ 211da177e4SLinus Torvalds do { unsigned long __r; \ 221da177e4SLinus Torvalds (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ 231da177e4SLinus Torvalds (r) = __r; \ 241da177e4SLinus Torvalds } while (0) 251da177e4SLinus Torvalds extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, 261da177e4SLinus Torvalds unsigned long , unsigned long); 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define UDIV_NEEDS_NORMALIZATION 1 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #define abort() goto bad_insn 31*13da9e20SLinus Torvalds 32*13da9e20SLinus Torvalds #ifndef __LITTLE_ENDIAN 33*13da9e20SLinus Torvalds #define __LITTLE_ENDIAN -1 34*13da9e20SLinus Torvalds #endif 35*13da9e20SLinus Torvalds #define __BYTE_ORDER __LITTLE_ENDIAN 36