reipl.S 2.6 KB

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  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. #include <asm/lowcore.h>
  9. .globl do_reipl_asm
  10. do_reipl_asm: basr %r13,0
  11. .Lpg0: lpsw .Lnewpsw-.Lpg0(%r13)
  12. # switch off lowcore protection
  13. .Lpg1: stctl %c0,%c0,.Lctlsave1-.Lpg0(%r13)
  14. stctl %c0,%c0,.Lctlsave2-.Lpg0(%r13)
  15. ni .Lctlsave1-.Lpg0(%r13),0xef
  16. lctl %c0,%c0,.Lctlsave1-.Lpg0(%r13)
  17. # do store status of all registers
  18. stm %r0,%r15,__LC_GPREGS_SAVE_AREA
  19. stctl %c0,%c15,__LC_CREGS_SAVE_AREA
  20. mvc __LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13)
  21. stam %a0,%a15,__LC_AREGS_SAVE_AREA
  22. stpx __LC_PREFIX_SAVE_AREA
  23. stckc .Lclkcmp-.Lpg0(%r13)
  24. mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)
  25. stpt __LC_CPU_TIMER_SAVE_AREA
  26. st %r13, __LC_PSW_SAVE_AREA+4
  27. lctl %c6,%c6,.Lall-.Lpg0(%r13)
  28. lr %r1,%r2
  29. mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)
  30. stsch .Lschib-.Lpg0(%r13)
  31. oi .Lschib+5-.Lpg0(%r13),0x84
  32. .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01
  33. msch .Lschib-.Lpg0(%r13)
  34. lhi %r0,5
  35. .Lssch: ssch .Liplorb-.Lpg0(%r13)
  36. jz .L001
  37. brct %r0,.Lssch
  38. bas %r14,.Ldisab-.Lpg0(%r13)
  39. .L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)
  40. .Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13)
  41. .Lcont: c %r1,__LC_SUBCHANNEL_ID
  42. jnz .Ltpi
  43. clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)
  44. jnz .Ltpi
  45. tsch .Liplirb-.Lpg0(%r13)
  46. tm .Liplirb+9-.Lpg0(%r13),0xbf
  47. jz .L002
  48. bas %r14,.Ldisab-.Lpg0(%r13)
  49. .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3
  50. jz .L003
  51. bas %r14,.Ldisab-.Lpg0(%r13)
  52. .L003: spx .Lnull-.Lpg0(%r13)
  53. st %r1,__LC_SUBCHANNEL_ID
  54. lpsw 0
  55. sigp 0,0,0(6)
  56. .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13)
  57. lpsw .Ldispsw-.Lpg0(%r13)
  58. .align 8
  59. .Lclkcmp: .quad 0x0000000000000000
  60. .Lall: .long 0xff000000
  61. .Lnull: .long 0x00000000
  62. .Lctlsave1: .long 0x00000000
  63. .Lctlsave2: .long 0x00000000
  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