| /* |
| * arch/s390/kernel/reipl.S |
| * |
| * S390 version |
| * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation |
| * Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com) |
| */ |
| |
| #include <asm/lowcore.h> |
| |
| .globl do_reipl_asm |
| do_reipl_asm: basr %r13,0 |
| .Lpg0: lpsw .Lnewpsw-.Lpg0(%r13) |
| |
| # switch off lowcore protection |
| |
| .Lpg1: stctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) |
| stctl %c0,%c0,.Lctlsave2-.Lpg0(%r13) |
| ni .Lctlsave1-.Lpg0(%r13),0xef |
| lctl %c0,%c0,.Lctlsave1-.Lpg0(%r13) |
| |
| # do store status of all registers |
| |
| stm %r0,%r15,__LC_GPREGS_SAVE_AREA |
| stctl %c0,%c15,__LC_CREGS_SAVE_AREA |
| mvc __LC_CREGS_SAVE_AREA(4),.Lctlsave2-.Lpg0(%r13) |
| stam %a0,%a15,__LC_AREGS_SAVE_AREA |
| stpx __LC_PREFIX_SAVE_AREA |
| stckc .Lclkcmp-.Lpg0(%r13) |
| mvc __LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13) |
| stpt __LC_CPU_TIMER_SAVE_AREA |
| st %r13, __LC_PSW_SAVE_AREA+4 |
| |
| lctl %c6,%c6,.Lall-.Lpg0(%r13) |
| lr %r1,%r2 |
| mvc __LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13) |
| stsch .Lschib-.Lpg0(%r13) |
| oi .Lschib+5-.Lpg0(%r13),0x84 |
| .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 |
| msch .Lschib-.Lpg0(%r13) |
| lhi %r0,5 |
| .Lssch: ssch .Liplorb-.Lpg0(%r13) |
| jz .L001 |
| brct %r0,.Lssch |
| bas %r14,.Ldisab-.Lpg0(%r13) |
| .L001: mvc __LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13) |
| .Ltpi: lpsw .Lwaitpsw-.Lpg0(%r13) |
| .Lcont: c %r1,__LC_SUBCHANNEL_ID |
| jnz .Ltpi |
| clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) |
| jnz .Ltpi |
| tsch .Liplirb-.Lpg0(%r13) |
| tm .Liplirb+9-.Lpg0(%r13),0xbf |
| jz .L002 |
| bas %r14,.Ldisab-.Lpg0(%r13) |
| .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 |
| jz .L003 |
| bas %r14,.Ldisab-.Lpg0(%r13) |
| .L003: spx .Lnull-.Lpg0(%r13) |
| st %r1,__LC_SUBCHANNEL_ID |
| lpsw 0 |
| sigp 0,0,0(6) |
| .Ldisab: st %r14,.Ldispsw+4-.Lpg0(%r13) |
| lpsw .Ldispsw-.Lpg0(%r13) |
| .align 8 |
| .Lclkcmp: .quad 0x0000000000000000 |
| .Lall: .long 0xff000000 |
| .Lnull: .long 0x00000000 |
| .Lctlsave1: .long 0x00000000 |
| .Lctlsave2: .long 0x00000000 |
| .align 8 |
| .Lnewpsw: .long 0x00080000,0x80000000+.Lpg1 |
| .Lpcnew: .long 0x00080000,0x80000000+.Lecs |
| .Lionew: .long 0x00080000,0x80000000+.Lcont |
| .Lwaitpsw: .long 0x020a0000,0x00000000+.Ltpi |
| .Ldispsw: .long 0x000a0000,0x00000000 |
| .Liplccws: .long 0x02000000,0x60000018 |
| .long 0x08000008,0x20000001 |
| .Liplorb: .long 0x0049504c,0x0040ff80 |
| .long 0x00000000+.Liplccws |
| .Lschib: .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .Liplirb: .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |
| .long 0x00000000,0x00000000 |