Merge branch 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
[linux-2.6] / arch / s390 / kernel / reipl.S
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
9 #include <asm/lowcore.h>
10
11 #
12 # do_reipl_asm
13 # Parameter: r2 = schid of reipl device
14 #
15                 .globl  do_reipl_asm
16 do_reipl_asm:   basr    %r13,0
17 .Lpg0:          lpsw    .Lnewpsw-.Lpg0(%r13)
18 .Lpg1:          # do store status of all registers
19
20                 stm     %r0,%r15,__LC_GPREGS_SAVE_AREA
21                 stctl   %c0,%c15,__LC_CREGS_SAVE_AREA
22                 stam    %a0,%a15,__LC_AREGS_SAVE_AREA
23                 l       %r10,.Ldump_pfx-.Lpg0(%r13)
24                 mvc     __LC_PREFIX_SAVE_AREA(4),0(%r10)
25                 stckc   .Lclkcmp-.Lpg0(%r13)
26                 mvc     __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)
27                 stpt    __LC_CPU_TIMER_SAVE_AREA
28                 st      %r13, __LC_PSW_SAVE_AREA+4
29                 lctl    %c6,%c6,.Lall-.Lpg0(%r13)
30                 lr      %r1,%r2
31                 mvc     __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
32                 stsch   .Lschib-.Lpg0(%r13)
33                 oi      .Lschib+5-.Lpg0(%r13),0x84
34 .Lecs:          xi      .Lschib+27-.Lpg0(%r13),0x01
35                 msch    .Lschib-.Lpg0(%r13)
36                 lhi     %r0,5
37 .Lssch:         ssch    .Liplorb-.Lpg0(%r13)
38                 jz      .L001
39                 brct    %r0,.Lssch
40                 bas     %r14,.Ldisab-.Lpg0(%r13)
41 .L001:          mvc     __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)
42 .Ltpi:          lpsw    .Lwaitpsw-.Lpg0(%r13)
43 .Lcont:         c       %r1,__LC_SUBCHANNEL_ID
44                 jnz     .Ltpi
45                 clc     __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)
46                 jnz     .Ltpi
47                 tsch    .Liplirb-.Lpg0(%r13)
48                 tm      .Liplirb+9-.Lpg0(%r13),0xbf
49                 jz      .L002
50                 bas     %r14,.Ldisab-.Lpg0(%r13)
51 .L002:          tm      .Liplirb+8-.Lpg0(%r13),0xf3
52                 jz      .L003
53                 bas     %r14,.Ldisab-.Lpg0(%r13)
54 .L003:          st      %r1,__LC_SUBCHANNEL_ID
55                 lpsw    0
56                 sigp    0,0,0(6)
57 .Ldisab:        st      %r14,.Ldispsw+4-.Lpg0(%r13)
58                 lpsw    .Ldispsw-.Lpg0(%r13)
59                 .align  8
60 .Lclkcmp:       .quad   0x0000000000000000
61 .Lall:          .long   0xff000000
62 .Ldump_pfx:     .long   dump_prefix_page
63                 .align  8
64 .Lnewpsw:       .long   0x00080000,0x80000000+.Lpg1
65 .Lpcnew:        .long   0x00080000,0x80000000+.Lecs
66 .Lionew:        .long   0x00080000,0x80000000+.Lcont
67 .Lwaitpsw:      .long   0x020a0000,0x00000000+.Ltpi
68 .Ldispsw:       .long   0x000a0000,0x00000000
69 .Liplccws:      .long   0x02000000,0x60000018
70                 .long   0x08000008,0x20000001
71 .Liplorb:       .long   0x0049504c,0x0040ff80
72                 .long   0x00000000+.Liplccws
73 .Lschib:        .long   0x00000000,0x00000000
74                 .long   0x00000000,0x00000000
75                 .long   0x00000000,0x00000000
76                 .long   0x00000000,0x00000000
77                 .long   0x00000000,0x00000000
78                 .long   0x00000000,0x00000000
79 .Liplirb:       .long   0x00000000,0x00000000
80                 .long   0x00000000,0x00000000
81                 .long   0x00000000,0x00000000
82                 .long   0x00000000,0x00000000
83                 .long   0x00000000,0x00000000
84                 .long   0x00000000,0x00000000
85                 .long   0x00000000,0x00000000
86                 .long   0x00000000,0x00000000