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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-09-12 09:54:59 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-09-20 14:20:28 +0300 |
| commit | 8e5a7627b5881ee0551b7ee02d41c2a983358842 (patch) | |
| tree | faf7db56e4ed4599411b33a34fc0195105939d78 /arch/s390/boot | |
| parent | 198ee66a0e970bc57872095cc3a79722bbf36306 (diff) | |
| download | linux-8e5a7627b5881ee0551b7ee02d41c2a983358842.tar.xz | |
s390: add initial 64-bit restart PSW
To be able to start a kernel image loaded into memory with a
PSW restart, place a 64-bit restart PSW at 0x1a0 in absolute
lowcore.
Suggested-by: Dominik Klein <dominik.klein@linux.ibm.com>
Tested-by: Dominik Klein <dominik.klein@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/boot')
| -rw-r--r-- | arch/s390/boot/head.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index f721913b73f1..f1cdca8ad3cc 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -60,6 +60,9 @@ __HEAD .long 0x02000690,0x60000050 .long 0x020006e0,0x20000050 + .org 0x1a0 + .quad 0,iplstart + .org 0x200 # |