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authorPhilipp Rudo <prudo@linux.ibm.com>2019-03-06 17:36:26 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-29 10:43:57 +0200
commitd0d249d75dda1b101624316a52d117be07b8ccff (patch)
treeaa53d33008dd6443ac9401c39a6a9f13d27446b5 /arch/s390/include/asm/setup.h
parent4c0f032d496385fa8071e404a1bc33f4abbc2f81 (diff)
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s390/kexec_file: Simplify parmarea access
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>
Diffstat (limited to 'arch/s390/include/asm/setup.h')
-rw-r--r--arch/s390/include/asm/setup.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index efda97804aa4..b603cc09c895 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -65,6 +65,16 @@
#define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET))
#define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET))
+struct parmarea {
+ unsigned long ipl_device; /* 0x10400 */
+ unsigned long initrd_start; /* 0x10408 */
+ unsigned long initrd_size; /* 0x10410 */
+ unsigned long oldmem_base; /* 0x10418 */
+ unsigned long oldmem_size; /* 0x10420 */
+ char pad1[0x10480 - 0x10428]; /* 0x10428 - 0x10480 */
+ char command_line[ARCH_COMMAND_LINE_SIZE]; /* 0x10480 */
+};
+
extern int noexec_disabled;
extern int memory_end_set;
extern unsigned long memory_end;