android_kernel_samsung_a7y1.../arch/arm64/include/asm/asm-uaccess.h
prashantpaddune 3bca37f224 A750FXXU4CTBC
2020-03-27 21:51:54 +05:30

14 lines
261 B
C

#ifndef __ASM_ASM_UACCESS_H
#define __ASM_ASM_UACCESS_H
/*
* Remove the address tag from a virtual address, if present.
*/
.macro clear_address_tag, dst, addr
tst \addr, #(1 << 55)
bic \dst, \addr, #(0xff << 56)
csel \dst, \dst, \addr, eq
.endm
#endif