linux-zen-server/arch/sparc/kernel/getsetcc.S

26 lines
514 B
ArmAsm
Raw Permalink Normal View History

2023-08-30 17:53:23 +02:00
/* SPDX-License-Identifier: GPL-2.0 */
.globl getcc
.type getcc,#function
getcc:
ldx [%o0 + PT_V9_TSTATE], %o1
srlx %o1, 32, %o1
and %o1, 0xf, %o1
retl
stx %o1, [%o0 + PT_V9_G1]
.size getcc,.-getcc
.globl setcc
.type setcc,#function
setcc:
ldx [%o0 + PT_V9_TSTATE], %o1
ldx [%o0 + PT_V9_G1], %o2
or %g0, %ulo(TSTATE_ICC), %o3
sllx %o3, 32, %o3
andn %o1, %o3, %o1
sllx %o2, 32, %o2
and %o2, %o3, %o2
or %o1, %o2, %o1
retl
stx %o1, [%o0 + PT_V9_TSTATE]
.size setcc,.-setcc