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Commit 0358ecf7 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390/facilities: make use of generated facility list 



Change head.S to make use of the generated facility list.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent c30f6828

arch/s390/kernel/head.S

+11 −24
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/linkage.h>

#include <asm/asm-offsets.h>

#include <asm/thread_info.h>

#include <asm/facility.h>

#include <asm/page.h>

#include <asm/ptrace.h>
@@ -309,18 +310,18 @@ ENTRY(startup_kdump) 
	mvc	__LC_STFLE_FAC_LIST(4),__LC_STFL_FAC_LIST

	tm	__LC_STFLE_FAC_LIST,0x01	# stfle available ?

	jz	0f

	la	%r0,1

	lghi	%r0,FACILITIES_ALS_DWORDS-1

	.insn	s,0xb2b00000,__LC_STFLE_FAC_LIST # store facility list extended

	# verify if all required facilities are supported by the machine

0:	la	%r1,__LC_STFLE_FAC_LIST

	la	%r2,3f+8-.LPG0(%r13)

	l	%r3,0(%r2)

1:	l	%r0,0(%r1)

	n	%r0,4(%r2)

	cl	%r0,4(%r2)

	lhi	%r3,FACILITIES_ALS_DWORDS

1:	lg	%r0,0(%r1)

	ng	%r0,0(%r2)

	clg	%r0,0(%r2)

	jne	2f

	la	%r1,4(%r1)

	la	%r2,4(%r2)

	la	%r1,8(%r1)

	la	%r2,8(%r2)

	ahi	%r3,-1

	jnz	1b

	j	4f
@@ -340,24 +341,10 @@ ENTRY(startup_kdump) 
3:	.long	0x000a0000,0x8badcccc



# List of facilities that are required. If not all facilities are present

# the kernel will crash. Format is number of facility words with bits set,

# followed by the facility words.

# the kernel will crash.



	.quad FACILITIES_ALS



#if defined(CONFIG_MARCH_Z13)

	.long 2, 0xc100eff2, 0xf46cc800

#elif defined(CONFIG_MARCH_ZEC12)

	.long 2, 0xc100eff2, 0xf46cc800

#elif defined(CONFIG_MARCH_Z196)

	.long 2, 0xc100eff2, 0xf46c0000

#elif defined(CONFIG_MARCH_Z10)

	.long 2, 0xc100eff2, 0xf0680000

#elif defined(CONFIG_MARCH_Z9_109)

	.long 1, 0xc100efc2

#elif defined(CONFIG_MARCH_Z990)

	.long 1, 0xc0002000

#elif defined(CONFIG_MARCH_Z900)

	.long 1, 0xc0000000

#endif

4:

	/* Continue with startup code in head64.S */

	jg	startup_continue