linux_dsm_epyc7002/arch/sparc/kernel/sun4v_mcd.S
Khalid Aziz 750375003d sparc64: Add support for ADI register fields, ASIs and traps
SPARC M7 processor adds new control register fields, ASIs and a new
trap to support the ADI (Application Data Integrity) feature. This
patch adds definitions for these register fields, ASIs and a handler
for the new precise memory corruption detected trap.

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Khalid Aziz <khalid@gonehiking.org>
Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-18 07:38:45 -07:00

19 lines
488 B
ArmAsm

/* sun4v_mcd.S: Sun4v memory corruption detected precise exception handler
*
* Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved.
* Authors: Bob Picco <bob.picco@oracle.com>,
* Khalid Aziz <khalid.aziz@oracle.com>
*
* This work is licensed under the terms of the GNU GPL, version 2.
*/
.text
.align 32
sun4v_mcd_detect_precise:
mov %l4, %o1
mov %l5, %o2
call sun4v_mem_corrupt_detect_precise
add %sp, PTREGS_OFF, %o0
ba,a,pt %xcc, rtrap
nop