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