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zipl/stage3: make IPL_DEVICE definition consistent with tape0.S

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Make `IPL_DEVICE` definition consistent with the kernel definition and
the definition in tape0.S. This allows us to refactor the code later.

Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2020-02-21 15:10:33 +01:00
committed by Jan Höppner
parent 0e385a81ca
commit d884fb8db4
2 changed files with 2 additions and 2 deletions
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2
zipl/boot/stage3.c
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@@ -292,7 +292,7 @@ void start(void)
/* store subchannel ID into low core and into new kernel space */
subchannel_id = S390_lowcore.subchannel_id;
*(unsigned int *)__LC_IPLDEV = subchannel_id;
*(unsigned int *)IPL_DEVICE = subchannel_id;
*(unsigned long long *)IPL_DEVICE = subchannel_id;
/* if valid command line is given, copy it into new kernel space */
if (_parm_addr != UNSPECIFIED_ADDRESS) {

2
zipl/boot/stage3.h
View File

@@ -17,7 +17,7 @@
#include "boot/ipl.h"
#define IPL_DEVICE 0x10404UL
#define IPL_DEVICE 0x10400UL
#define INITRD_START 0x10408UL
#define INITRD_SIZE 0x10410UL
#define OLDMEM_BASE 0x10418UL