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8369e339d2
xemu/pc-bios/s390-ccw
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Aurelien Jarno 8369e339d2 s390/bios: build with -fdelete-null-pointer-checks 
Starting with version 4.9, GCC assumes it can't safely dereference null
pointers, and uses this for some optimizations. On s390, the lowcore
memory is located at address 0, so this assumption is wrong and breaks
the s390-ccw firmware. Pass -fdelete-null-pointer-checks to avoid that.

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <1434363843-14576-1-git-send-email-aurelien@aurel32.net>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2015-06-15 13:31:33 +02:00
..
bootmap.c pc-bios/s390-ccw: fix sparse warnings 2015-02-03 13:42:40 +01:00
bootmap.h pc-bios/s390-ccw: fix sparse warnings 2015-02-03 13:42:40 +01:00
cio.h s390/IPL: Allow boot from other ssid than 0 2013-07-29 12:02:00 +02:00
main.c s390-ccw.img: Allow bigger ramdisk sizes or offsets 2015-03-10 09:26:23 +01:00
Makefile s390/bios: build with -fdelete-null-pointer-checks 2015-06-15 13:31:33 +02:00
s390-ccw.h s390-ccw.img: Allow bigger ramdisk sizes or offsets 2015-03-10 09:26:23 +01:00
sclp-ascii.c pc-bios/s390-ccw: make checkpatch happy 2014-06-27 11:57:25 +02:00
sclp.h S390: ccw firmware: Add sclp output 2013-04-26 20:18:24 +02:00
start.S S390: BIOS boot from given device 2013-05-06 17:30:01 +02:00
virtio.c s390-ccw.img: Reinitialize guessing on reboot 2015-03-10 09:26:23 +01:00
virtio.h pc-bios/s390-ccw Really big EAV ECKD DASD handling 2014-09-01 09:23:02 +02:00