Want place gtk clipboard code in a separate C file, which in turn
requires GtkDisplayState being in a header file. So move it. No
functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-9-kraxel@redhat.com>
This patch adds support for cut+paste to the qemu vnc server, which
allows the vnc client exchange clipbaord data with qemu and other peers
like the qemu vdagent implementation.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-8-kraxel@redhat.com>
This patch adds support for clipboard messages to the qemu vdagent
implementation, which allows the guest exchange clipboard data with
qemu. Clipboard support can be enabled/disabled using the new
'clipboard' parameter for the vdagent chardev. Default is off.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-7-kraxel@redhat.com>
This patch adds support for mouse messages to the vdagent
implementation. This can be enabled/disabled using the new
'mouse' parameter for the vdagent chardev. Default is on.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-6-kraxel@redhat.com>
The vdagent protocol allows the guest agent (spice-vdagent) and the
spice client exchange messages to implement features which require
guest cooperation, for example clipboard support.
This is a qemu implementation of the spice client side. This allows
the spice guest agent talk to qemu directly when not using the spice
protocol.
usage: qemu \
-chardev qemu-vdagent,id=vdagent \
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0
This patch adds just the protocol basics: initial handshake and
capability negotiation. The following patches will add actual
functionality and also add fields to the initially empty
ChardevVDAgent qapi struct.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-5-kraxel@redhat.com>
When implementing spice vdagent protocol in qemu we only need the
spice-protocol package for that, spice-server is not needed. So
go split those two build dependencies.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-2-kraxel@redhat.com>
bsd-user fork into qemu. It contains a number of style commits, as well as 3
commits that start to change things: Some unused files are deleted, building the
sparc and sparc64 targets are removed, and a structure is renamed.
The next set of pull requests will start to execute the following plan:
1. Move existing code around to have a structure similar to the bsd-user fork.
2. Incrementally merge groups of system calls, focused on making x86 work.
3. Once the groups of system calls are all merged, additional platforms will
be added back.
4. Concurrently, as changes are requested as part of the merge happen, those
changes will be merged into the fork. An experimental merge to tip of master
is under test and is what will be updated.
5. Eventually, there will be no diference, and the bsd-user fork will only
be a staging area for cutting-edge features prior to upstreaming into
qemu mainline.
The bsd-user code in qemu has a lot of style issues. This cleans up a number in
the files touched. However, the checkpatch.pl detects some incremental issues in
the commits. The following are expected, but are corrected in later hashes in
this branch. MAINTAINERS does not need to be updated, since all the files added
or deleted are covered under existing regexp in MAINTAINERS.
Checking all commits since f9a576a818044133f8564e0d243ebd97df0b3280...
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:101: ERROR: consider using qemu_strtol in preference to strtol
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:142: ERROR: braces {} are necessary for all arms of this statement
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:145: ERROR: braces {} are necessary for all arms of this statement
total: 3 errors, 0 warnings, 119 lines checked
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:148: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:330: ERROR: braces {} are necessary for all arms of this statement
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:340: ERROR: braces {} are necessary for all arms of this statement
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:381: ERROR: space prohibited between function name and open parenthesis '('
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:390: ERROR: spaces required around that '<' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:408: WARNING: Block comments use a leading /* on a separate line
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:409: WARNING: Block comments use * on subsequent lines
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:409: WARNING: Block comments use a trailing */ on a separate line
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:441: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:445: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:502: ERROR: line over 90 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:551: ERROR: space required after that ',' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:552: ERROR: space required after that ',' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:587: ERROR: space required after that ';' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:623: ERROR: suspect code indent for conditional statements (12, 14)
total: 9 errors, 6 warnings, 664 lines checked
86545e7afe3f822b8561c7ceee7540fc3b19c3f0:31: ERROR: space required after that ';' (ctx:VxV)
86545e7afe3f822b8561c7ceee7540fc3b19c3f0:40: ERROR: space required after that ';' (ctx:VxV)
total: 2 errors, 0 warnings, 60 lines checked
Use of uninitialized value $acpi_testexpected in string eq at scripts/checkpatch.pl line 1529.
65d58c91ef1a15ad945ece367983437576f8e82b:22: WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
total: 0 errors, 1 warnings, 14 lines checked
Use of uninitialized value $acpi_testexpected in string eq at scripts/checkpatch.pl line 1529.
f8ce39701b5be032fb3f9c05e8adb4055f70eec2:21: WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
total: 0 errors, 1 warnings, 0 lines checked
FAIL one or more commits failed scripts/checkpatch.pl
Cleaning up file based variables
ERROR: Job failed: exit code 1
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Merge remote-tracking branch 'remotes/bsdimp/tags/pull-bsd-user-20210511' into staging
pull-bsd-user-20210511 is the next round of cleanups to bsd-user in merging the
bsd-user fork into qemu. It contains a number of style commits, as well as 3
commits that start to change things: Some unused files are deleted, building the
sparc and sparc64 targets are removed, and a structure is renamed.
The next set of pull requests will start to execute the following plan:
1. Move existing code around to have a structure similar to the bsd-user fork.
2. Incrementally merge groups of system calls, focused on making x86 work.
3. Once the groups of system calls are all merged, additional platforms will
be added back.
4. Concurrently, as changes are requested as part of the merge happen, those
changes will be merged into the fork. An experimental merge to tip of master
is under test and is what will be updated.
5. Eventually, there will be no diference, and the bsd-user fork will only
be a staging area for cutting-edge features prior to upstreaming into
qemu mainline.
The bsd-user code in qemu has a lot of style issues. This cleans up a number in
the files touched. However, the checkpatch.pl detects some incremental issues in
the commits. The following are expected, but are corrected in later hashes in
this branch. MAINTAINERS does not need to be updated, since all the files added
or deleted are covered under existing regexp in MAINTAINERS.
Checking all commits since f9a576a818044133f8564e0d243ebd97df0b3280...
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:101: ERROR: consider using qemu_strtol in preference to strtol
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:142: ERROR: braces {} are necessary for all arms of this statement
d60c3b932e2fa06aba5d7aa1c451b5d287095dc8:145: ERROR: braces {} are necessary for all arms of this statement
total: 3 errors, 0 warnings, 119 lines checked
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:148: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:330: ERROR: braces {} are necessary for all arms of this statement
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:340: ERROR: braces {} are necessary for all arms of this statement
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:381: ERROR: space prohibited between function name and open parenthesis '('
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:390: ERROR: spaces required around that '<' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:408: WARNING: Block comments use a leading /* on a separate line
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:409: WARNING: Block comments use * on subsequent lines
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:409: WARNING: Block comments use a trailing */ on a separate line
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:441: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:445: WARNING: line over 80 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:502: ERROR: line over 90 characters
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:551: ERROR: space required after that ',' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:552: ERROR: space required after that ',' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:587: ERROR: space required after that ';' (ctx:VxV)
b4bebeee1dee8d333bfa105a6c28fec5eb34b147:623: ERROR: suspect code indent for conditional statements (12, 14)
total: 9 errors, 6 warnings, 664 lines checked
86545e7afe3f822b8561c7ceee7540fc3b19c3f0:31: ERROR: space required after that ';' (ctx:VxV)
86545e7afe3f822b8561c7ceee7540fc3b19c3f0:40: ERROR: space required after that ';' (ctx:VxV)
total: 2 errors, 0 warnings, 60 lines checked
Use of uninitialized value $acpi_testexpected in string eq at scripts/checkpatch.pl line 1529.
65d58c91ef1a15ad945ece367983437576f8e82b:22: WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
total: 0 errors, 1 warnings, 14 lines checked
Use of uninitialized value $acpi_testexpected in string eq at scripts/checkpatch.pl line 1529.
f8ce39701b5be032fb3f9c05e8adb4055f70eec2:21: WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
total: 0 errors, 1 warnings, 0 lines checked
FAIL one or more commits failed scripts/checkpatch.pl
Cleaning up file based variables
ERROR: Job failed: exit code 1
# gpg: Signature made Wed 12 May 2021 17:40:34 BST
# gpg: using RSA key 2035F894B00AA3CF7CCDE1B76C1CD1287DB01100
# gpg: Good signature from "Warner Losh <wlosh@netflix.com>" [unknown]
# gpg: aka "Warner Losh <imp@bsdimp.com>" [unknown]
# gpg: aka "Warner Losh <imp@freebsd.org>" [unknown]
# gpg: aka "Warner Losh <imp@village.org>" [unknown]
# gpg: aka "Warner Losh <wlosh@bsdimp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 2035 F894 B00A A3CF 7CCD E1B7 6C1C D128 7DB0 1100
* remotes/bsdimp/tags/pull-bsd-user-20210511:
bsd-user: rename linux_binprm to bsd_binprm
bsd-user: Stop building the sparc targets
bsd-user: remove target_signal.h, it's unused
bsd-user: style tweak: keyword space (
bsd-user: style tweak: Remove #if 0'd code
bsd-user: style tweak: keyword space (
bsd-user: style tweak: keyword space (
bsd-user: whitespace changes
bsd-user: use qemu_strtoul in preference to strtol
bsd-user: style tweak: use {} consistently in for / if / else statements
bsd-user: style tweak: use {} for all if statements, format else correctly
bsd-user: style tweak: don't assign in if statements
bsd-user: style tweak: Use preferred block comments
bsd-user: style tweak: remove spacing after '*' and add after }
bsd-user: style tweak: move extern to header file
bsd-user: Remove commented out code
bsd-user: style tweak: Use preferred block comments
bsd-user: style tweak: Remove #if 0'd code
bsd-user: style tweak: use C not C++ comments
bsd-user: whitespace changes
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Having a small test will prevent trivial regressions in the future.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20210519045738.1335210-3-iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
tb_gen_code() assumes that tb->size must never be zero, otherwise it
may produce spurious exceptions. For x86_64 this may happen when
creating a translation block for the vsyscall page.
Fix by pretending that vsyscall translation blocks have at least one
instruction.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210519045738.1335210-2-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The vfio_ccw_unrealize() routine makes an unconditional attempt to
unregister every IRQ notifier, though they may not have been registered
in the first place (when running on an older kernel, for example).
Let's mirror this behavior in the error cleanups in vfio_ccw_realize()
so that if/when new IRQs are added, it is less confusing to recognize
the necessary procedures. The worst case scenario would be some extra
messages about an undefined IRQ, but since this is an error exit that
won't be the only thing to worry about.
And regarding those messages, let's change it to a warning instead of
an error, to better reflect their severity. The existing code in both
paths handles everything anyway.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Acked-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <20210428143652.1571487-1-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Instead of having all TYPE_CCW_DEVICE children set the bus type to
TYPE_VIRTUAL_CSS_BUS, do it once in the abstract parent.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210424145313.3287400-1-f4bug@amsat.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Commit 690e29b911 ("vfio-ccw: Refactor ccw irq handler") changed
one of the checks for the IRQ notifier registration from saying
"the host needs to recognize the only IRQ that exists" to saying
"the host needs to recognize ANY IRQ that exists."
And this worked fine, because the subsequent change to support the
CRW IRQ notifier doesn't get into this code when running on an older
kernel, thanks to a guard by a capability region. The later addition
of the REQ(uest) IRQ by commit b2f96f9e4f ("vfio-ccw: Connect the
device request notifier") broke this assumption because there is no
matching capability region. Thus, running new QEMU on an older
kernel fails with:
vfio: unexpected number of irqs 2
Let's adapt the message here so that there's a better clue of what
IRQ is missing.
Furthermore, let's make the REQ(uest) IRQ not fail when attempting
to register it, to permit running vfio-ccw on a newer QEMU with an
older kernel.
Fixes: b2f96f9e4f ("vfio-ccw: Connect the device request notifier")
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210421152053.2379873-1-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
If arch-specific code generates a translation block of size 0,
tb_gen_code() may generate a spurious exception. Add an assertion in
order to catch such situations early.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210416154939.32404-5-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
tb_gen_code() assumes that tb->size must never be zero, otherwise it
may produce spurious exceptions. For xtensa this may happen when
decoding an unknown instruction, when handling a write into the
CCOUNT or CCOMPARE special register and when single-stepping the first
instruction of an exception handler.
Fix by pretending that the size of the respective translation block is
1 in all these cases.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Tested-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20210416154939.32404-4-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
tb_gen_code() assumes that tb->size must never be zero, otherwise it
may produce spurious exceptions. For ARM this may happen when creating
a translation block for the commpage.
Fix by pretending that commpage translation blocks have at least one
instruction.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210416154939.32404-3-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Hitting an uretprobe in a s390x TCG guest causes a SIGSEGV. What
happens is:
* uretprobe maps a userspace page containing an invalid instruction.
* uretprobe replaces the target function's return address with the
address of that page.
* When tb_gen_code() is called on that page, tb->size ends up being 0
(because the page starts with the invalid instruction), which causes
virt_page2 to point to the previous page.
* The previous page is not mapped, so this causes a spurious
translation exception.
tb->size must never be 0: even if there is an illegal instruction, the
instruction bytes that have been looked at must count towards tb->size.
So adjust s390x's translate_one() to act this way for both illegal
instructions and instructions that are known to generate exceptions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210416154939.32404-2-iii@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
- various fixes for binfmt_misc docker images
- add hexagon check-tcg support docker image
- add tricore check-tcg support
- refactor ppc docker images
- add missing ppc64le tests
- don't use host_cc for test fallback
- check-tcg configure.sh tweaks for cross compile/clang
- fix some memory leaks in plugins
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-plugin-updates-180521-2' into staging
testing and plugin updates:
- various fixes for binfmt_misc docker images
- add hexagon check-tcg support docker image
- add tricore check-tcg support
- refactor ppc docker images
- add missing ppc64le tests
- don't use host_cc for test fallback
- check-tcg configure.sh tweaks for cross compile/clang
- fix some memory leaks in plugins
# gpg: Signature made Tue 18 May 2021 09:37:21 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-and-plugin-updates-180521-2: (29 commits)
configure: use cc, not host_cc to set cross_cc for build arch
tests/tcg: don't allow clang as a cross compiler
tests/tcg: fix missing return
tests/tcg/ppc64le: tests for brh/brw/brd
tests/docker: gcc-10 based images for ppc64{,le} tests
tests/tcg/tricore: Add muls test
tests/tcg/tricore: Add msub test
tests/tcg/tricore: Add madd test
tests/tcg/tricore: Add ftoi test
tests/tcg/tricore: Add fmul test
tests/tcg/tricore: Add fadd test
tests/tcg/tricore: Add dvstep test
tests/tcg/tricore: Add clz test
tests/tcg/tricore: Add bmerge test
tests/tcg/tricore: Add macros to create tests and first test 'abs'
configure: Emit HOST_CC to config-host.mak
tests/tcg/tricore: Add build infrastructure
hw/tricore: Add testdevice for tests in tests/tcg/
tests/tcg: Run timeout cmds using --foreground
tests/tcg: Add docker_as and docker_ld cmds
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Next set of ppc related patches for qemu-6.1. Highlights are:
* Start of a significant softmmu cleanup from Richard Henderson
* Further work towards allowing builds without CONFIG_TCG
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210519' into staging
ppc patch queue 2021-05-19
Next set of ppc related patches for qemu-6.1. Highlights are:
* Start of a significant softmmu cleanup from Richard Henderson
* Further work towards allowing builds without CONFIG_TCG
# gpg: Signature made Wed 19 May 2021 13:36:45 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dg-gitlab/tags/ppc-for-6.1-20210519: (48 commits)
target/ppc: Remove type argument for mmubooke206_get_physical_address
target/ppc: Remove type argument from mmubooke206_check_tlb
target/ppc: Remove type argument from mmubooke_get_physical_address
target/ppc: Remove type argument from mmubooke_check_tlb
target/ppc: Remove type argument from mmu40x_get_physical_address
target/ppc: Remove type argument from get_bat_6xx_tlb
target/ppc: Remove type argument from ppc6xx_tlb_check
target/ppc: Remove type argument from ppc6xx_tlb_pte_check
target/ppc: Remove type argument from check_prot
target/ppc: Use MMUAccessType in mmu_helper.c
target/ppc: Rename access_type to type in mmu_helper.c
target/ppc: Use MMUAccessType in mmu-hash32.c
target/ppc: Use MMUAccessType in mmu-hash64.c
target/ppc: Use MMUAccessType in mmu-radix64.c
target/ppc: Introduce prot_for_access_type
target/ppc: Fix load endianness for lxvwsx/lxvdsx
target/ppc: Use translator_loop_temp_check
target/ppc: Mark helper_raise_exception* as noreturn
target/ppc: Tidy exception vs exit_tb
target/ppc: Move single-step check to ppc_tr_tb_stop
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With the previous patch for check_io, we now have enough for
the compiler to dead-code eliminate all of the i/o helpers.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-51-richard.henderson@linaro.org>
The we never allow i/o from user-only, and the tss check
that helper_check_io does will always fail. Use an ifdef
within gen_check_io and return false, indicating that an
exception is known to be raised.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-50-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Drop helper_check_io[bwl] and expose their common
subroutine to tcg directly.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210514151342.384376-49-richard.henderson@linaro.org>
Pass in a pre-truncated TCGv_i32 value. We were doing the
truncation of EDX in multiple places, now only once per insn.
While all callers use s->tmp2_i32, for cleanliness of the
subroutine, use a parameter anyway.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-48-richard.henderson@linaro.org>
Get cur_eip from DisasContext. Do not require the caller
to use svm_is_rep; get prefix from DisasContext. Use the
proper symbolic constants for SVM_IOIO_*.
While we're touching all call sites, return bool in
preparation for gen_check_io raising #GP.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-47-richard.henderson@linaro.org>
At minimum, wrmsr can change efer, which affects HF_LMA.
Cc: qemu-stable@nongnu.org
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-46-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-45-richard.henderson@linaro.org>
The user-version is a no-op. This lets us completely
remove tcg/user/svm_stubs.c.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-44-richard.henderson@linaro.org>
Use a single helper, flush_page, to do the work.
Use gen_svm_check_intercept.
Perform the zero-extension for invlpga inline.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-43-richard.henderson@linaro.org>
These instructions are all privileged.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-42-richard.henderson@linaro.org>
Having the callers upcast to X86CPU is a waste, since we
don't need it. We even have to recover env in do_hlt.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-41-richard.henderson@linaro.org>
Pull the svm intercept check into the translator.
Pull the entire implementation of lmsw into the translator.
Push the check for CR8LEG into the regno validation switch.
Unify the gen_io_start check between read/write.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210514151342.384376-40-richard.henderson@linaro.org>
This function is only called from tcg/sysemu/.
There is no need for a stub in tcg/user/.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-39-richard.henderson@linaro.org>
When exiting helper_svm_check_intercept via exception, cpu_vmexit
calls cpu_restore_state, which will recover eip and cc_op via unwind.
Therefore we do not need to store eip or cc_op before the call.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-38-richard.henderson@linaro.org>
The param argument to helper_svm_check_intercept_param is always 0;
eliminate it and rename to helper_svm_check_intercept. Fold
gen_svm_check_intercept_param into gen_svm_check_intercept.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-37-richard.henderson@linaro.org>
Both invocations pass the start of the current instruction,
which is available as s->base.pc_next. The function sets
is_jmp, so we can eliminate a second setting.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-36-richard.henderson@linaro.org>
Any helper that always raises an exception or interrupt,
or simply exits to the main loop, can be so marked.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-35-richard.henderson@linaro.org>
Use STUB_HELPER to ensure that such calls are always eliminated.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-34-richard.henderson@linaro.org>
Our sysemu implementation is a stub. We can already intercept
instructions for vmexit, and raising #UD is trivial.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-33-richard.henderson@linaro.org>
For user-only, we do not need to check for VMM intercept.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-32-richard.henderson@linaro.org>
Most of the VMM instructions are already disabled for user-only,
by being usable only from ring 0.
The spec is intentionally loose for VMMCALL, allowing the VMM to
define syscalls for user-only. However, we're not emulating any
VMM, so VMMCALL can just raise #UD unconditionally.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210514151342.384376-31-richard.henderson@linaro.org>
This removes an ifdef from the middle of disas_insn,
and ensures that the branch is not reachable.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-30-richard.henderson@linaro.org>
Sort all of the single-byte members to the same area
of the structure, eliminating 8 bytes of padding.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-29-richard.henderson@linaro.org>
After fixing a typo in the comment, fixup for CODING_STYLE.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210514151342.384376-28-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-27-richard.henderson@linaro.org>
It's just as easy to clear the flag with AND than assignment.
In two cases the test for the bit can be folded together with
the test for HF_INHIBIT_IRQ_MASK.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-26-richard.henderson@linaro.org>
