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