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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/s390/kernel/reipl.S
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/*

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 *  arch/s390/kernel/reipl.S

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 *

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 *  S390 version

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 *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation

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 *    Author(s): Holger Smolinski ([email protected])

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 */

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#include <asm/asm-offsets.h>

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#

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# do_reipl_asm

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# Parameter: r2 = schid of reipl device

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#

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		.globl	do_reipl_asm

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do_reipl_asm:	basr	%r13,0

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.Lpg0:		lpsw	.Lnewpsw-.Lpg0(%r13)

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.Lpg1:		# do store status of all registers

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		stm	%r0,%r15,__LC_GPREGS_SAVE_AREA

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		stctl	%c0,%c15,__LC_CREGS_SAVE_AREA

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		stam	%a0,%a15,__LC_AREGS_SAVE_AREA

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		l	%r10,.Ldump_pfx-.Lpg0(%r13)

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		mvc	__LC_PREFIX_SAVE_AREA(4),0(%r10)

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		stckc	.Lclkcmp-.Lpg0(%r13)

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		mvc	__LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)

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		stpt	__LC_CPU_TIMER_SAVE_AREA

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		st	%r13, __LC_PSW_SAVE_AREA+4

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		lctl	%c6,%c6,.Lall-.Lpg0(%r13)

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		lr	%r1,%r2

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		mvc	__LC_PGM_NEW_PSW(8),.Lpcnew-.Lpg0(%r13)

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		stsch	.Lschib-.Lpg0(%r13)

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		oi	.Lschib+5-.Lpg0(%r13),0x84

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.Lecs:  	xi	.Lschib+27-.Lpg0(%r13),0x01

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		msch	.Lschib-.Lpg0(%r13)

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		lhi	%r0,5

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.Lssch:		ssch	.Liplorb-.Lpg0(%r13)

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		jz	.L001

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		brct	%r0,.Lssch

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		bas	%r14,.Ldisab-.Lpg0(%r13)

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.L001:		mvc	__LC_IO_NEW_PSW(8),.Lionew-.Lpg0(%r13)

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.Ltpi:		lpsw	.Lwaitpsw-.Lpg0(%r13)

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.Lcont:		c	%r1,__LC_SUBCHANNEL_ID

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		jnz	.Ltpi

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		clc	__LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13)

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		jnz	.Ltpi

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		tsch	.Liplirb-.Lpg0(%r13)

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		tm	.Liplirb+9-.Lpg0(%r13),0xbf

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		jz	.L002

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		bas	%r14,.Ldisab-.Lpg0(%r13)

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.L002:		tm	.Liplirb+8-.Lpg0(%r13),0xf3

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		jz	.L003

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		bas	%r14,.Ldisab-.Lpg0(%r13)

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.L003:		st	%r1,__LC_SUBCHANNEL_ID

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		lpsw	0

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		sigp	0,0,0(6)

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.Ldisab:	st	%r14,.Ldispsw+4-.Lpg0(%r13)

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		lpsw	.Ldispsw-.Lpg0(%r13)

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		.align	8

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.Lclkcmp:	.quad	0x0000000000000000

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.Lall:		.long	0xff000000

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.Ldump_pfx:	.long	dump_prefix_page

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		.align	8

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.Lnewpsw:	.long	0x00080000,0x80000000+.Lpg1

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.Lpcnew:	.long	0x00080000,0x80000000+.Lecs

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.Lionew:	.long	0x00080000,0x80000000+.Lcont

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.Lwaitpsw:	.long	0x020a0000,0x00000000+.Ltpi

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.Ldispsw:	.long	0x000a0000,0x00000000

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.Liplccws:	.long	0x02000000,0x60000018

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		.long	0x08000008,0x20000001

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.Liplorb:	.long	0x0049504c,0x0040ff80

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		.long	0x00000000+.Liplccws

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.Lschib:	.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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.Liplirb:	.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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		.long	0x00000000,0x00000000

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