1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/export.h>
 3#include <linux/compiler.h>
 4#include <uapi/linux/swab.h>
 5
 6/* To silence -Wmissing-prototypes. */
 7unsigned long long __bswapdi2(unsigned long long u);
 8
 9unsigned long long notrace __bswapdi2(unsigned long long u)
10{
11	return ___constant_swab64(u);
 
 
 
 
 
 
 
12}
 
13EXPORT_SYMBOL(__bswapdi2);

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/export.h>
 3#include <linux/compiler.h>
 
 
 
 
 4
 5unsigned long long notrace __bswapdi2(unsigned long long u)
 6{
 7	return (((u) & 0xff00000000000000ull) >> 56) |
 8	       (((u) & 0x00ff000000000000ull) >> 40) |
 9	       (((u) & 0x0000ff0000000000ull) >> 24) |
10	       (((u) & 0x000000ff00000000ull) >>  8) |
11	       (((u) & 0x00000000ff000000ull) <<  8) |
12	       (((u) & 0x0000000000ff0000ull) << 24) |
13	       (((u) & 0x000000000000ff00ull) << 40) |
14	       (((u) & 0x00000000000000ffull) << 56);
15}
16
17EXPORT_SYMBOL(__bswapdi2);