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 .globl do_reipl_asm 12do_reipl_asm: basr %r13,0 13.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) 14 15 # switch off lowcore protection 16 17.Lpg1: stctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) 18 stctl %c0,%c0,.Lctlsave2-.Lpg0(%r13) 19 ni .Lctlsave1-.Lpg0(%r13),0xef 20 lctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) 21 22 # do store status of all registers 23 24 stm %r0,%r15,__LC_GPREGS_SAVE_AREA 25 stctl %c0,%c15,__LC_CREGS_SAVE_AREA 26 mvc __LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13) 27 stam %a0,%a15,__LC_AREGS_SAVE_AREA 28 stpx __LC_PREFIX_SAVE_AREA 29 stckc .Lclkcmp-.Lpg0(%r13) 30 mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) 31 stpt __LC_CPU_TIMER_SAVE_AREA 32 st %r13, __LC_PSW_SAVE_AREA+4 33 34 lctl %c6,%c6,.Lall-.Lpg0(%r13) 35 lr %r1,%r2 36 mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) 37 stsch .Lschib-.Lpg0(%r13) 38 oi .Lschib+5-.Lpg0(%r13),0x84 39.Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 40 msch .Lschib-.Lpg0(%r13) 41 lhi %r0,5 42.Lssch: ssch .Liplorb-.Lpg0(%r13) 43 jz .L001 44 brct %r0,.Lssch 45 bas %r14,.Ldisab-.Lpg0(%r13) 46.L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) 47.Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) 48.Lcont: c %r1,__LC_SUBCHANNEL_ID 49 jnz .Ltpi 50 clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) 51 jnz .Ltpi 52 tsch .Liplirb-.Lpg0(%r13) 53 tm .Liplirb+9-.Lpg0(%r13),0xbf 54 jz .L002 55 bas %r14,.Ldisab-.Lpg0(%r13) 56.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 57 jz .L003 58 bas %r14,.Ldisab-.Lpg0(%r13) 59.L003: spx .Lnull-.Lpg0(%r13) 60 st %r1,__LC_SUBCHANNEL_ID 61 lpsw 0 62 sigp 0,0,0(6) 63.Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) 64 lpsw .Ldispsw-.Lpg0(%r13) 65 .align 8 66.Lclkcmp: .quad 0x0000000000000000 67.Lall: .long 0xff000000 68.Lnull: .long 0x00000000 69.Lctlsave1: .long 0x00000000 70.Lctlsave2: .long 0x00000000 71 .align 8 72.Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 73.Lpcnew: .long 0x00080000,0x80000000+.Lecs 74.Lionew: .long 0x00080000,0x80000000+.Lcont 75.Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi 76.Ldispsw: .long 0x000a0000,0x00000000 77.Liplccws: .long 0x02000000,0x60000018 78 .long 0x08000008,0x20000001 79.Liplorb: .long 0x0049504c,0x0040ff80 80 .long 0x00000000+.Liplccws 81.Lschib: .long 0x00000000,0x00000000 82 .long 0x00000000,0x00000000 83 .long 0x00000000,0x00000000 84 .long 0x00000000,0x00000000 85 .long 0x00000000,0x00000000 86 .long 0x00000000,0x00000000 87.Liplirb: .long 0x00000000,0x00000000 88 .long 0x00000000,0x00000000 89 .long 0x00000000,0x00000000 90 .long 0x00000000,0x00000000 91 .long 0x00000000,0x00000000 92 .long 0x00000000,0x00000000 93 .long 0x00000000,0x00000000 94 .long 0x00000000,0x00000000 95