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s390x: fix -initrd in virtio machine 

When using -initrd in the virtio machine, we need to indicate the initrd
start and size inside the kernel image. These parameters need to be stored
in native endianness.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
(cherry picked from commit 235a3f0bed)

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Alexander Graf 2012-09-19 17:24:46 +02:00 committed by Michael Roth
parent 0dfd8215c2
commit 7817b8d858
1 changed files with 2 additions and 2 deletions
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4
hw/s390-virtio.c
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@ -284,8 +284,8 @@ static void s390_init(ram_addr_t my_ram_size,
}
/* we have to overwrite values in the kernel image, which are "rom" */
memcpy(rom_ptr(INITRD_PARM_START), &initrd_offset, 8);
memcpy(rom_ptr(INITRD_PARM_SIZE), &initrd_size, 8);
stq_p(rom_ptr(INITRD_PARM_START), initrd_offset);
stq_p(rom_ptr(INITRD_PARM_SIZE), initrd_size);
}
if (rom_ptr(KERN_PARM_AREA)) {