cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sfp-util.h (1008B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#include <linux/kernel.h>
      3#include <linux/sched.h>
      4#include <linux/types.h>
      5#include <asm/byteorder.h>
      6#include <asm/fpu.h>
      7
      8#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
      9  ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
     10
     11#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
     12  ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
     13
     14#define umul_ppmm(wh, wl, u, v)			\
     15  __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0"	\
     16	   : "=r" ((UDItype)(wh)),		\
     17	     "=&r" ((UDItype)(wl))		\
     18	   : "r" ((UDItype)(u)),		\
     19	     "r" ((UDItype)(v)))
     20
     21#define udiv_qrnnd(q, r, n1, n0, d)				\
     22  do { unsigned long __r;					\
     23    (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));			\
     24    (r) = __r;							\
     25  } while (0)
     26extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
     27				   unsigned long , unsigned long);
     28
     29#define UDIV_NEEDS_NORMALIZATION 1  
     30
     31#define abort()			goto bad_insn
     32
     33#ifndef __LITTLE_ENDIAN
     34#define __LITTLE_ENDIAN -1
     35#endif
     36#define __BYTE_ORDER __LITTLE_ENDIAN