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s390/facilities: make use of generated facility list

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

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2015-11-24 12:47:14 +01:00 committed by Martin Schwidefsky
parent c30f6828fe
commit 0358ecf732
1 changed files with 11 additions and 24 deletions
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35
arch/s390/kernel/head.S
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@ -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