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c5a7392cfb
qemu/target/s390x
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David Hildenbrand c5a7392cfb s390x/tcg: Provide probe_write_access helper 
Instead of checking e.g. the first access on every touched page, we should
check the actual access, otherwise we might get false positives when Low
Address Protection (LAP) is active. As probe_write() can only deal with
accesses to one page, we have to loop.

Use i64 for the length, although not needed - easier to reuse
TCG temps we already have in the translation functions where this will
be used. Also allow it to be used from other helpers.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-28-david@redhat.com>
[CH: add missing page_check_range()]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-03-11 09:31:01 +01:00
..
arch_dump.c compiler: add a sizeof_field() macro 2018-06-27 13:01:40 +01:00
cc_helper.c s390x/tcg: Implement LOAD COUNT TO BLOCK BOUNDARY 2019-03-04 11:49:31 +01:00
cpu_features_def.h s390x/cpumodel: Set up CPU model for AP device support 2018-10-12 11:32:18 +02:00
cpu_features.c s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init 2019-02-18 11:25:43 +01:00
cpu_features.h s390x/cpumodel: enum type S390FeatGroup now gets generated 2018-08-20 14:18:49 +02:00
cpu_models.c QAPI patches for 2019-02-18 2019-02-18 14:23:13 +00:00
cpu_models.h s390x/cpumodel: default enable mepoch for z14 and later 2019-02-18 11:25:43 +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: Fix the confusing contributions-after-2012 license statements 2019-02-18 11:25:43 +01:00
cpu.h s390x/tcg: Check vector register instructions at central point 2019-03-11 09:31:01 +01:00
crypto_helper.c s390x/tcg: introduce and use s390_program_interrupt() 2017-12-14 17:56:54 +01:00
diag.c s390x: Return specification exception for unimplemented diag 308 subcodes 2019-01-18 11:52:00 +01:00
excp_helper.c s390x/tcg: Save vregs to extended mchk save area 2019-03-04 11:49:31 +01:00
fpu_helper.c s390x/tcg: Handle all rounding modes overwritten by BFP instructions 2019-03-04 11:49:31 +01:00
gdbstub.c target/s390x: Fix LGPL version in the file header comments 2019-01-30 11:04:02 +01:00
gen-features.c s390x: Add floating-point extension facility to "qemu" cpu model 2019-03-04 11:49:31 +01:00
helper.c s390x/tcg: Implement LOAD COUNT TO BLOCK BOUNDARY 2019-03-04 11:49:31 +01:00
helper.h s390x/tcg: Provide probe_write_access helper 2019-03-11 09:31:01 +01:00
insn-data.def s390x/tcg: Implement VECTOR SIGN EXTEND TO DOUBLEWORD 2019-03-11 09:31:01 +01:00
insn-format.def s390x/tcg: Define vector instruction formats 2019-03-11 09:31:01 +01:00
int_helper.c target/s390x: Fix LGPL version in the file header comments 2019-01-30 11:04:02 +01:00
internal.h s390x/tcg: Provide probe_write_access helper 2019-03-11 09:31:01 +01:00
interrupt.c s390x: move tcg_s390_program_interrupt() into TCG code and mark it noreturn 2018-10-04 10:32:39 +02:00
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/kvm: add tracepoint to ioeventfd interface 2019-02-18 11:25:43 +01:00
machine.c s390x/kvm: add etoken facility 2018-08-20 14:18:49 +02:00
Makefile.objs s390x/tcg: Implement VECTOR LOAD TO BLOCK BOUNDARY 2019-03-11 09:31:01 +01:00
mem_helper.c s390x/tcg: Provide probe_write_access helper 2019-03-11 09:31:01 +01:00
misc_helper.c target/s390x: Implement STCK et al for CONFIG_USER_ONLY 2019-02-18 11:25:43 +01:00
mmu_helper.c Make address_space_access_valid() take a MemTxAttrs argument 2018-05-31 16:32:35 +01:00
s390-tod.h target/s390x: Split out s390-tod.h 2019-02-18 11:25:43 +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: factor out and fix DATA exception injection 2018-10-04 10:32:39 +02:00
tcg-stub.c s390x/tcg: factor out and fix DATA exception injection 2018-10-04 10:32:39 +02:00
trace-events s390x/kvm: add tracepoint to ioeventfd interface 2019-02-18 11:25:43 +01:00
translate_vx.inc.c s390x/tcg: Implement VECTOR SIGN EXTEND TO DOUBLEWORD 2019-03-11 09:31:01 +01:00
translate.c s390x/tcg: Implement VECTOR LOAD WITH LENGTH 2019-03-11 09:31:01 +01:00
vec_helper.c s390x/tcg: Implement VECTOR PERMUTE 2019-03-11 09:31:01 +01:00
vec.h s390x/tcg: Utilities for vector instruction helpers 2019-03-11 09:31:01 +01:00