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14055ce53c
xemu/target/s390x
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David Hildenbrand 14055ce53c s390x/tcg: avoid overflows in time2tod/tod2time 
Big values for the TOD/ns clock can result in some overflows that can be
avoided. Not all overflows can be handled however, as the conversion either
multiplies by 4.096 or divided by 4.096.

Apply the trick used in the Linux kernel in arch/s390/include/asm/timex.h
for tod_to_ns() and use the same trick also for the conversion in the
other direction.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180627134410.4901-2-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-07-02 10:37:38 +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/cpumodel: model PTFF subfunctions for Multiple-epoch facility 2018-02-09 09:37:13 +01:00
cpu_features.c s390x/cpumodel: document S390FeatDef.bit not applicable 2018-02-26 12:55:26 +01:00
cpu_features.h s390x/cpumodel: fix feature groups and breakage of MSA8 2018-03-23 09:05:42 +00:00
cpu_models.c s390x/cpumodels: add z14 Model ZR1 2018-06-18 10:50:32 +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 target: Do not include "exec/exec-all.h" if it is not necessary 2018-06-01 14:15:10 +02:00
cpu.h s390x: refactor reset/reipl handling 2018-05-14 17:10:02 +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/cpumodel: default enable bpb and ppa15 for z196 and later 2018-07-02 10:37:38 +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: wire up pci instructions 2018-02-09 09:37:13 +01:00
insn-data.def s390x/tcg: add various alignment checks 2018-02-26 12:55:26 +01:00
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: avoid overflows in time2tod/tod2time 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: remove s390_get_memslot_count 2018-02-26 12:55:26 +01:00
kvm-stub.c s390x: remove s390_get_memslot_count 2018-02-26 12:55:26 +01:00
kvm.c target: Do not include "exec/address-spaces.h" if it is not necessary 2018-05-31 19:12:13 +02:00
machine.c s390x/kvm: Handle bpb feature 2018-01-22 11:22:30 +01:00
Makefile.objs s390x/kvm: factor out SIGP code into sigp.c 2017-10-20 13:32:10 +02:00
mem_helper.c target: Do not include "exec/address-spaces.h" if it is not necessary 2018-05-31 19:12:13 +02:00
misc_helper.c target: Do not include "exec/address-spaces.h" if it is not necessary 2018-05-31 19:12:13 +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
trace-events s390x/kvm: factor out SIGP code into sigp.c 2017-10-20 13:32:10 +02:00
translate.c tcg: Pass tb and index to tcg_gen_exit_tb separately 2018-06-01 15:15:27 -07:00