Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * S390 version |
Heiko Carstens | a53c8fa | 2012-07-20 11:15:04 +0200 | [diff] [blame] | 3 | * Copyright IBM Corp. 2000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) |
| 5 | */ |
| 6 | |
Jan Glauber | 144d634 | 2011-07-24 10:48:19 +0200 | [diff] [blame] | 7 | #include <linux/linkage.h> |
Heiko Carstens | cbb870c | 2010-02-26 22:37:43 +0100 | [diff] [blame] | 8 | #include <asm/asm-offsets.h> |
Heiko Carstens | eb54619 | 2012-06-04 15:05:43 +0200 | [diff] [blame] | 9 | #include <asm/sigp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
Heiko Carstens | c5dd858 | 2007-03-05 23:35:43 +0100 | [diff] [blame] | 11 | # |
Michael Holzheu | 60a0c68 | 2011-10-30 15:16:40 +0100 | [diff] [blame] | 12 | # store_status: Empty implementation until kdump is supported on 31 bit |
| 13 | # |
| 14 | ENTRY(store_status) |
| 15 | br %r14 |
| 16 | |
| 17 | # |
Heiko Carstens | c5dd858 | 2007-03-05 23:35:43 +0100 | [diff] [blame] | 18 | # do_reipl_asm |
| 19 | # Parameter: r2 = schid of reipl device |
| 20 | # |
Jan Glauber | 144d634 | 2011-07-24 10:48:19 +0200 | [diff] [blame] | 21 | ENTRY(do_reipl_asm) |
| 22 | basr %r13,0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | .Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) |
Heiko Carstens | 15e9b58 | 2006-12-04 15:40:26 +0100 | [diff] [blame] | 24 | .Lpg1: # do store status of all registers |
Michael Holzheu | ff6b8ea | 2006-09-20 15:58:49 +0200 | [diff] [blame] | 25 | |
| 26 | stm %r0,%r15,__LC_GPREGS_SAVE_AREA |
| 27 | stctl %c0,%c15,__LC_CREGS_SAVE_AREA |
Michael Holzheu | ff6b8ea | 2006-09-20 15:58:49 +0200 | [diff] [blame] | 28 | stam %a0,%a15,__LC_AREGS_SAVE_AREA |
Heiko Carstens | c5dd858 | 2007-03-05 23:35:43 +0100 | [diff] [blame] | 29 | l %r10,.Ldump_pfx-.Lpg0(%r13) |
| 30 | mvc __LC_PREFIX_SAVE_AREA(4),0(%r10) |
Michael Holzheu | ff6b8ea | 2006-09-20 15:58:49 +0200 | [diff] [blame] | 31 | stckc .Lclkcmp-.Lpg0(%r13) |
| 32 | mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) |
| 33 | stpt __LC_CPU_TIMER_SAVE_AREA |
| 34 | st %r13, __LC_PSW_SAVE_AREA+4 |
Michael Holzheu | ff6b8ea | 2006-09-20 15:58:49 +0200 | [diff] [blame] | 35 | lctl %c6,%c6,.Lall-.Lpg0(%r13) |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 36 | lr %r1,%r2 |
| 37 | mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) |
| 38 | stsch .Lschib-.Lpg0(%r13) |
| 39 | oi .Lschib+5-.Lpg0(%r13),0x84 |
| 40 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 |
| 41 | msch .Lschib-.Lpg0(%r13) |
| 42 | lhi %r0,5 |
| 43 | .Lssch: ssch .Liplorb-.Lpg0(%r13) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | jz .L001 |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 45 | brct %r0,.Lssch |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | bas %r14,.Ldisab-.Lpg0(%r13) |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 47 | .L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) |
| 48 | .Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | .Lcont: c %r1,__LC_SUBCHANNEL_ID |
| 50 | jnz .Ltpi |
| 51 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) |
| 52 | jnz .Ltpi |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 53 | tsch .Liplirb-.Lpg0(%r13) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | tm .Liplirb+9-.Lpg0(%r13),0xbf |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 55 | jz .L002 |
| 56 | bas %r14,.Ldisab-.Lpg0(%r13) |
| 57 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 |
| 58 | jz .L003 |
| 59 | bas %r14,.Ldisab-.Lpg0(%r13) |
Heiko Carstens | 15e9b58 | 2006-12-04 15:40:26 +0100 | [diff] [blame] | 60 | .L003: st %r1,__LC_SUBCHANNEL_ID |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 61 | lpsw 0 |
Heiko Carstens | eb54619 | 2012-06-04 15:05:43 +0200 | [diff] [blame] | 62 | sigp 0,0,SIGP_RESTART |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 63 | .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | lpsw .Ldispsw-.Lpg0(%r13) |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 65 | .align 8 |
Michael Holzheu | ff6b8ea | 2006-09-20 15:58:49 +0200 | [diff] [blame] | 66 | .Lclkcmp: .quad 0x0000000000000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | .Lall: .long 0xff000000 |
Heiko Carstens | c5dd858 | 2007-03-05 23:35:43 +0100 | [diff] [blame] | 68 | .Ldump_pfx: .long dump_prefix_page |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 69 | .align 8 |
| 70 | .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 |
| 71 | .Lpcnew: .long 0x00080000,0x80000000+.Lecs |
| 72 | .Lionew: .long 0x00080000,0x80000000+.Lcont |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | .Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 74 | .Ldispsw: .long 0x000a0000,0x00000000 |
| 75 | .Liplccws: .long 0x02000000,0x60000018 |
| 76 | .long 0x08000008,0x20000001 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | .Liplorb: .long 0x0049504c,0x0040ff80 |
| 78 | .long 0x00000000+.Liplccws |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 79 | .Lschib: .long 0x00000000,0x00000000 |
| 80 | .long 0x00000000,0x00000000 |
| 81 | .long 0x00000000,0x00000000 |
| 82 | .long 0x00000000,0x00000000 |
| 83 | .long 0x00000000,0x00000000 |
| 84 | .long 0x00000000,0x00000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | .Liplirb: .long 0x00000000,0x00000000 |
| 86 | .long 0x00000000,0x00000000 |
| 87 | .long 0x00000000,0x00000000 |
| 88 | .long 0x00000000,0x00000000 |
| 89 | .long 0x00000000,0x00000000 |
| 90 | .long 0x00000000,0x00000000 |
| 91 | .long 0x00000000,0x00000000 |
| 92 | .long 0x00000000,0x00000000 |