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| author | David Howells <dhowells@redhat.com> | 2006-12-05 17:01:28 +0000 |
|---|---|---|
| committer | David Howells <dhowells@warthog.cambridge.redhat.com> | 2006-12-05 17:01:28 +0000 |
| commit | 9db73724453a9350e1c22dbe732d427e2939a5c9 (patch) | |
| tree | 15e3ead6413ae97398a54292acc199bee0864d42 /arch/s390/kernel/reset.S | |
| parent | 4c1ac1b49122b805adfa4efc620592f68dccf5db (diff) | |
| parent | e62438630ca37539c8cc1553710bbfaa3cf960a7 (diff) | |
| download | lwn-9db73724453a9350e1c22dbe732d427e2939a5c9.tar.gz lwn-9db73724453a9350e1c22dbe732d427e2939a5c9.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/ata/libata-scsi.c
include/linux/libata.h
Futher merge of Linus's head and compilation fixups.
Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/s390/kernel/reset.S')
| -rw-r--r-- | arch/s390/kernel/reset.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/s390/kernel/reset.S b/arch/s390/kernel/reset.S new file mode 100644 index 000000000000..be8688c0665c --- /dev/null +++ b/arch/s390/kernel/reset.S @@ -0,0 +1,48 @@ +/* + * arch/s390/kernel/reset.S + * + * Copyright (C) IBM Corp. 2006 + * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + */ + +#include <asm/ptrace.h> +#include <asm/lowcore.h> + +#ifdef CONFIG_64BIT + + .globl reset_mcck_handler +reset_mcck_handler: + basr %r13,0 +0: lg %r15,__LC_PANIC_STACK # load panic stack + aghi %r15,-STACK_FRAME_OVERHEAD + lg %r1,s390_reset_mcck_handler-0b(%r13) + ltgr %r1,%r1 + jz 1f + basr %r14,%r1 +1: la %r1,4095 + lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1) + lpswe __LC_MCK_OLD_PSW + + .globl s390_reset_mcck_handler +s390_reset_mcck_handler: + .quad 0 + +#else /* CONFIG_64BIT */ + + .globl reset_mcck_handler +reset_mcck_handler: + basr %r13,0 +0: l %r15,__LC_PANIC_STACK # load panic stack + ahi %r15,-STACK_FRAME_OVERHEAD + l %r1,s390_reset_mcck_handler-0b(%r13) + ltr %r1,%r1 + jz 1f + basr %r14,%r1 +1: lm %r0,%r15,__LC_GPREGS_SAVE_AREA + lpsw __LC_MCK_OLD_PSW + + .globl s390_reset_mcck_handler +s390_reset_mcck_handler: + .long 0 + +#endif /* CONFIG_64BIT */ |