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# store_status: Empty implementation until kdump is supported on 31 bit 14# 15ENTRY(store_status) 16 br %r14 17 18# 19# do_reipl_asm 20# Parameter: r2 = schid of reipl device 21# 22ENTRY(do_reipl_asm) 23 basr %r13,0 24.Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) 25.Lpg1: # do store status of all registers 26 27 stm %r0,%r15,__LC_GPREGS_SAVE_AREA 28 stctl %c0,%c15,__LC_CREGS_SAVE_AREA 29 stam %a0,%a15,__LC_AREGS_SAVE_AREA 30 l %r10,.Ldump_pfx-.Lpg0(%r13) 31 mvc __LC_PREFIX_SAVE_AREA(4),0(%r10) 32 stckc .Lclkcmp-.Lpg0(%r13) 33 mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) 34 stpt __LC_CPU_TIMER_SAVE_AREA 35 st %r13, __LC_PSW_SAVE_AREA+4 36 lctl %c6,%c6,.Lall-.Lpg0(%r13) 37 lr %r1,%r2 38 mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) 39 stsch .Lschib-.Lpg0(%r13) 40 oi .Lschib+5-.Lpg0(%r13),0x84 41.Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 42 msch .Lschib-.Lpg0(%r13) 43 lhi %r0,5 44.Lssch: ssch .Liplorb-.Lpg0(%r13) 45 jz .L001 46 brct %r0,.Lssch 47 bas %r14,.Ldisab-.Lpg0(%r13) 48.L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) 49.Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) 50.Lcont: c %r1,__LC_SUBCHANNEL_ID 51 jnz .Ltpi 52 clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) 53 jnz .Ltpi 54 tsch .Liplirb-.Lpg0(%r13) 55 tm .Liplirb+9-.Lpg0(%r13),0xbf 56 jz .L002 57 bas %r14,.Ldisab-.Lpg0(%r13) 58.L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 59 jz .L003 60 bas %r14,.Ldisab-.Lpg0(%r13) 61.L003: st %r1,__LC_SUBCHANNEL_ID 62 lpsw 0 63 sigp 0,0,0(6) 64.Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) 65 lpsw .Ldispsw-.Lpg0(%r13) 66 .align 8 67.Lclkcmp: .quad 0x0000000000000000 68.Lall: .long 0xff000000 69.Ldump_pfx: .long dump_prefix_page 70 .align 8 71.Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 72.Lpcnew: .long 0x00080000,0x80000000+.Lecs 73.Lionew: .long 0x00080000,0x80000000+.Lcont 74.Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi 75.Ldispsw: .long 0x000a0000,0x00000000 76.Liplccws: .long 0x02000000,0x60000018 77 .long 0x08000008,0x20000001 78.Liplorb: .long 0x0049504c,0x0040ff80 79 .long 0x00000000+.Liplccws 80.Lschib: .long 0x00000000,0x00000000 81 .long 0x00000000,0x00000000 82 .long 0x00000000,0x00000000 83 .long 0x00000000,0x00000000 84 .long 0x00000000,0x00000000 85 .long 0x00000000,0x00000000 86.Liplirb: .long 0x00000000,0x00000000 87 .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