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s390/kexec_file: Simplify parmarea access

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Access the parmarea in head.S via a struct instead of individual offsets.

While at it make the fields in the parmarea .quads.

Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Philipp Rudo
2019-03-06 17:36:26 +01:00
committed by Martin Schwidefsky
parent 4c0f032d49
commit d0d249d75d
6 changed files with 28 additions and 25 deletions
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11
arch/s390/boot/head.S
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@@ -323,13 +323,14 @@ ENTRY(startup_kdump)
#
# params at 10400 (setup.h)
# Must be keept in sync with struct parmarea in setup.h
#
.org PARMAREA
.long 0,0 # IPL_DEVICE
.long 0,0 # INITRD_START
.long 0,0 # INITRD_SIZE
.long 0,0 # OLDMEM_BASE
.long 0,0 # OLDMEM_SIZE
.quad 0 # IPL_DEVICE
.quad 0 # INITRD_START
.quad 0 # INITRD_SIZE
.quad 0 # OLDMEM_BASE
.quad 0 # OLDMEM_SIZE
.org COMMAND_LINE
.byte "root=/dev/ram0 ro"