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