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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div64-generic.c (319B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Generic __div64_32 wrapper for __xdiv64_32.
      4 */
      5
      6#include <linux/types.h>
      7#include <asm/div64.h>
      8
      9extern uint64_t __xdiv64_32(u64 n, u32 d);
     10
     11uint32_t __div64_32(u64 *xp, u32 y)
     12{
     13	uint32_t rem;
     14	uint64_t q = __xdiv64_32(*xp, y);
     15
     16	rem = *xp - q * y;
     17	*xp = q;
     18
     19	return rem;
     20}