Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_oneplus_msm8996 / eb546195a7d8bc492ec6865980bf767474e74d87 / . / arch / s390 / kernel / reipl.S
blob: 1c5e9e3e2aa497e64a3ad7659e32bd006379e69c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * arch/s390/kernel/reipl.S
3 *
4 * S390 version
5 * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com)
7 */
8
Jan Glauber144d6342011-07-24 10:48:19 +0200[diff] [blame]9#include <linux/linkage.h>
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100[diff] [blame]10#include <asm/asm-offsets.h>
Heiko Carstenseb546192012-06-04 15:05:43 +0200[diff] [blame^]11#include <asm/sigp.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]12
Heiko Carstensc5dd8582007-03-05 23:35:43 +0100[diff] [blame]13#
Michael Holzheu60a0c682011-10-30 15:16:40 +0100[diff] [blame]14# store_status: Empty implementation until kdump is supported on 31 bit
15#
16ENTRY(store_status)
17 br %r14
18
19#
Heiko Carstensc5dd8582007-03-05 23:35:43 +0100[diff] [blame]20# do_reipl_asm
21# Parameter: r2 = schid of reipl device
22#
Jan Glauber144d6342011-07-24 10:48:19 +0200[diff] [blame]23ENTRY(do_reipl_asm)
24 basr %r13,0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]25.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13)
Heiko Carstens15e9b582006-12-04 15:40:26 +0100[diff] [blame]26.Lpg1: # do store status of all registers
Michael Holzheuff6b8ea2006-09-20 15:58:49 +0200[diff] [blame]27
28 stm %r0,%r15,__LC_GPREGS_SAVE_AREA
29 stctl %c0,%c15,__LC_CREGS_SAVE_AREA
Michael Holzheuff6b8ea2006-09-20 15:58:49 +0200[diff] [blame]30 stam %a0,%a15,__LC_AREGS_SAVE_AREA
Heiko Carstensc5dd8582007-03-05 23:35:43 +0100[diff] [blame]31 l %r10,.Ldump_pfx-.Lpg0(%r13)
32 mvc __LC_PREFIX_SAVE_AREA(4),0(%r10)
Michael Holzheuff6b8ea2006-09-20 15:58:49 +0200[diff] [blame]33 stckc .Lclkcmp-.Lpg0(%r13)
34 mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)
35 stpt __LC_CPU_TIMER_SAVE_AREA
36 st %r13, __LC_PSW_SAVE_AREA+4
Michael Holzheuff6b8ea2006-09-20 15:58:49 +0200[diff] [blame]37 lctl %c6,%c6,.Lall-.Lpg0(%r13)
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]38 lr %r1,%r2
39 mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
40 stsch .Lschib-.Lpg0(%r13)
41 oi .Lschib+5-.Lpg0(%r13),0x84
42.Lecs: xi .Lschib+27-.Lpg0(%r13),0x01
43 msch .Lschib-.Lpg0(%r13)
44 lhi %r0,5
45.Lssch: ssch .Liplorb-.Lpg0(%r13)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]46 jz .L001
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]47 brct %r0,.Lssch
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]48 bas %r14,.Ldisab-.Lpg0(%r13)
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]49.L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)
50.Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]51.Lcont: c %r1,__LC_SUBCHANNEL_ID
52 jnz .Ltpi
53 clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)
54 jnz .Ltpi
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]55 tsch .Liplirb-.Lpg0(%r13)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]56 tm .Liplirb+9-.Lpg0(%r13),0xbf
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]57 jz .L002
58 bas %r14,.Ldisab-.Lpg0(%r13)
59.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3
60 jz .L003
61 bas %r14,.Ldisab-.Lpg0(%r13)
Heiko Carstens15e9b582006-12-04 15:40:26 +0100[diff] [blame]62.L003: st %r1,__LC_SUBCHANNEL_ID
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]63 lpsw 0
Heiko Carstenseb546192012-06-04 15:05:43 +0200[diff] [blame^]64 sigp 0,0,SIGP_RESTART
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]65.Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]66 lpsw .Ldispsw-.Lpg0(%r13)
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]67 .align 8
Michael Holzheuff6b8ea2006-09-20 15:58:49 +0200[diff] [blame]68.Lclkcmp: .quad 0x0000000000000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]69.Lall: .long 0xff000000
Heiko Carstensc5dd8582007-03-05 23:35:43 +0100[diff] [blame]70.Ldump_pfx: .long dump_prefix_page
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]71 .align 8
72.Lnewpsw: .long 0x00080000,0x80000000+.Lpg1
73.Lpcnew: .long 0x00080000,0x80000000+.Lecs
74.Lionew: .long 0x00080000,0x80000000+.Lcont
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]75.Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]76.Ldispsw: .long 0x000a0000,0x00000000
77.Liplccws: .long 0x02000000,0x60000018
78 .long 0x08000008,0x20000001
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]79.Liplorb: .long 0x0049504c,0x0040ff80
80 .long 0x00000000+.Liplccws
Heiko Carstens25d83cb2006-09-28 16:56:37 +0200[diff] [blame]81.Lschib: .long 0x00000000,0x00000000
82 .long 0x00000000,0x00000000
83 .long 0x00000000,0x00000000
84 .long 0x00000000,0x00000000
85 .long 0x00000000,0x00000000
86 .long 0x00000000,0x00000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]87.Liplirb: .long 0x00000000,0x00000000
88 .long 0x00000000,0x00000000
89 .long 0x00000000,0x00000000
90 .long 0x00000000,0x00000000
91 .long 0x00000000,0x00000000
92 .long 0x00000000,0x00000000
93 .long 0x00000000,0x00000000
94 .long 0x00000000,0x00000000