81 lines
1.8 KiB
ArmAsm
81 lines
1.8 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright IBM Corp 2000, 2011
|
|
* Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>,
|
|
* Denis Joseph Barrow,
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
#include <asm/asm-offsets.h>
|
|
#include <asm/nospec-insn.h>
|
|
#include <asm/sigp.h>
|
|
|
|
GEN_BR_THUNK %r9
|
|
|
|
#
|
|
# Issue "store status" for the current CPU to its prefix page
|
|
# and call passed function afterwards
|
|
#
|
|
# r2 = Function to be called after store status
|
|
# r3 = Parameter for function
|
|
#
|
|
ENTRY(store_status)
|
|
/* Save register one and load save area base */
|
|
stg %r1,__LC_SAVE_AREA_RESTART
|
|
/* General purpose registers */
|
|
lghi %r1,__LC_GPREGS_SAVE_AREA
|
|
stmg %r0,%r15,0(%r1)
|
|
mvc 8(8,%r1),__LC_SAVE_AREA_RESTART
|
|
/* Control registers */
|
|
lghi %r1,__LC_CREGS_SAVE_AREA
|
|
stctg %c0,%c15,0(%r1)
|
|
/* Access registers */
|
|
lghi %r1,__LC_AREGS_SAVE_AREA
|
|
stam %a0,%a15,0(%r1)
|
|
/* Floating point registers */
|
|
lghi %r1,__LC_FPREGS_SAVE_AREA
|
|
std %f0, 0x00(%r1)
|
|
std %f1, 0x08(%r1)
|
|
std %f2, 0x10(%r1)
|
|
std %f3, 0x18(%r1)
|
|
std %f4, 0x20(%r1)
|
|
std %f5, 0x28(%r1)
|
|
std %f6, 0x30(%r1)
|
|
std %f7, 0x38(%r1)
|
|
std %f8, 0x40(%r1)
|
|
std %f9, 0x48(%r1)
|
|
std %f10,0x50(%r1)
|
|
std %f11,0x58(%r1)
|
|
std %f12,0x60(%r1)
|
|
std %f13,0x68(%r1)
|
|
std %f14,0x70(%r1)
|
|
std %f15,0x78(%r1)
|
|
/* Floating point control register */
|
|
lghi %r1,__LC_FP_CREG_SAVE_AREA
|
|
stfpc 0(%r1)
|
|
/* CPU timer */
|
|
lghi %r1,__LC_CPU_TIMER_SAVE_AREA
|
|
stpt 0(%r1)
|
|
/* Store prefix register */
|
|
lghi %r1,__LC_PREFIX_SAVE_AREA
|
|
stpx 0(%r1)
|
|
/* Clock comparator - seven bytes */
|
|
lghi %r1,__LC_CLOCK_COMP_SAVE_AREA
|
|
larl %r4,.Lclkcmp
|
|
stckc 0(%r4)
|
|
mvc 1(7,%r1),1(%r4)
|
|
/* Program status word */
|
|
lghi %r1,__LC_PSW_SAVE_AREA
|
|
epsw %r4,%r5
|
|
st %r4,0(%r1)
|
|
st %r5,4(%r1)
|
|
stg %r2,8(%r1)
|
|
lgr %r9,%r2
|
|
lgr %r2,%r3
|
|
BR_EX %r9
|
|
|
|
.section .bss
|
|
.align 8
|
|
.Lclkcmp: .quad 0x0000000000000000
|
|
.previous
|