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3cea09271b
qemu/target/s390x
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Pavel Zbitskiy 3cea09271b target/s390x: fix PACK reading 1 byte less and writing 1 byte more 
PACK fails on the test from the Principles of Operation: F1F2F3F4
becomes 0000234C instead of 0001234C due to an off-by-one error.
Furthermore, it overwrites one extra byte to the left of F1.

If len_dest is 0, then we only want to flip the 1st byte and never loop
over the rest. Therefore, the loop condition should be > and not >=.

If len_src is 1, then we should flip the 1st byte and pack the 2nd.
Since len_src is already decremented before the loop, the first
condition should be >=, and not >.

Likewise for len_src == 2 and the second condition.

Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Message-Id: <20180821025104.19604-7-pavel.zbitskiy@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-08-28 17:37:01 +02:00
..
arch_dump.c compiler: add a sizeof_field() macro 2018-06-27 13:01:40 +01:00
cc_helper.c s390x/tcg: use s390_program_interrupt() in SACF 2017-12-14 17:56:54 +01:00
cpu_features_def.h s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
cpu_features.c s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
cpu_features.h s390x/cpumodel: enum type S390FeatGroup now gets generated 2018-08-20 14:18:49 +02:00
cpu_models.c qom: convert the CPU list to RCU 2018-08-23 18:46:25 +02:00
cpu_models.h s390x: change the QEMU cpu model to a stripped down z12 2017-12-14 17:56:54 +01:00
cpu-qom.h target/s390x: change CPU type name to "s390x-cpu" 2017-10-30 08:56:28 +01:00
cpu.c s390x: remove 's390-squash-mcss' option 2018-08-20 14:18:49 +02:00
cpu.h s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
crypto_helper.c s390x/tcg: introduce and use s390_program_interrupt() 2017-12-14 17:56:54 +01:00
diag.c * Linux header upgrade (Peter) 2018-06-01 18:24:16 +01:00
excp_helper.c Make address_space_access_valid() take a MemTxAttrs argument 2018-05-31 16:32:35 +01:00
fpu_helper.c target/s390x: Remove floatX_maybe_silence_nan from conversions 2018-05-17 15:27:15 -07:00
gdbstub.c target/s390x: introduce internal.h 2017-08-30 18:23:25 +02:00
gen-features.c s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
helper.c target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
helper.h s390x/tcg: implement SET CLOCK 2018-07-02 10:37:38 +02:00
insn-data.def target/s390x: add BAL and BALR instructions 2018-08-28 17:37:01 +02:00
insn-format.def target/s390x: Implement load-on-condition-2 insns 2017-06-23 09:17:44 -07:00
int_helper.c s390x/tcg: get rid of runtime_exception() 2017-12-14 17:56:54 +01:00
internal.h s390x/tcg: properly implement the TOD 2018-07-02 10:37:38 +02:00
interrupt.c s390x/flic: cache the common flic class in a central function 2018-02-09 09:37:13 +01:00
ioinst.c s390x: handle exceptions during s390_cpu_virt_mem_rw() correctly (TCG) 2017-12-14 17:56:54 +01:00
kvm_s390x.h s390x/tod: factor out TOD into separate device 2018-07-02 10:37:38 +02:00
kvm-stub.c s390x/kvm: pass values instead of pointers to kvm_s390_set_clock_*() 2018-07-02 10:37:38 +02:00
kvm.c s390x: Enable KVM huge page backing support 2018-08-20 14:18:49 +02:00
machine.c s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
Makefile.objs s390x/tcg: rearm the CKC timer during migration 2018-07-02 10:37:38 +02:00
mem_helper.c target/s390x: fix PACK reading 1 byte less and writing 1 byte more 2018-08-28 17:37:01 +02:00
misc_helper.c s390x/tcg: fix locking problem with tcg_s390_tod_updated 2018-07-02 10:37:38 +02:00
mmu_helper.c Make address_space_access_valid() take a MemTxAttrs argument 2018-05-31 16:32:35 +01:00
sigp.c Make address_space_access_valid() take a MemTxAttrs argument 2018-05-31 16:32:35 +01:00
tcg_s390x.h s390x/tcg: properly implement the TOD 2018-07-02 10:37:38 +02:00
tcg-stub.c s390x/tcg: rearm the CKC timer during migration 2018-07-02 10:37:38 +02:00
trace-events s390x/kvm: factor out SIGP code into sigp.c 2017-10-20 13:32:10 +02:00
translate.c target/s390x: fix IPM polluting irrelevant bits 2018-08-28 17:37:01 +02:00