| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #include <linux/kernel.h> | 
 | 2 | #include <linux/sched.h> | 
 | 3 | #include <linux/types.h> | 
 | 4 | #include <asm/byteorder.h> | 
 | 5 | #include <asm/fpu.h> | 
 | 6 |  | 
 | 7 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ | 
 | 8 |   ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) | 
 | 9 |  | 
 | 10 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ | 
 | 11 |   ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) | 
 | 12 |  | 
 | 13 | #define umul_ppmm(wh, wl, u, v)			\ | 
 | 14 |   __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0"	\ | 
 | 15 | 	   : "=r" ((UDItype)(wh)),		\ | 
 | 16 | 	     "=&r" ((UDItype)(wl))		\ | 
 | 17 | 	   : "r" ((UDItype)(u)),		\ | 
 | 18 | 	     "r" ((UDItype)(v))) | 
 | 19 |  | 
 | 20 | #define udiv_qrnnd(q, r, n1, n0, d)				\ | 
 | 21 |   do { unsigned long __r;					\ | 
 | 22 |     (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));			\ | 
 | 23 |     (r) = __r;							\ | 
 | 24 |   } while (0) | 
 | 25 | extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, | 
 | 26 | 				   unsigned long , unsigned long); | 
 | 27 |  | 
 | 28 | #define UDIV_NEEDS_NORMALIZATION 1   | 
 | 29 |  | 
 | 30 | #define abort()			goto bad_insn | 
 | 31 |  | 
 | 32 | #ifndef __LITTLE_ENDIAN | 
 | 33 | #define __LITTLE_ENDIAN -1 | 
 | 34 | #endif | 
 | 35 | #define __BYTE_ORDER __LITTLE_ENDIAN |