Commit Graph

102591 Commits

Author SHA1 Message Date
Ilya Leoshkevich
ce7ca26968 target/s390x: Handle EXECUTE of odd addresses
Generate a specification exception in the helper before trying to fetch
the instruction.

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230316164428.275147-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
39344bbc13 target/s390x: Handle branching to odd addresses
Let branching happen and try to generate a new translation block with
an odd address. Generate a specification exception in
cpu_get_tb_cpu_state().

Reported-by: Harold Grovesteen <h.grovsteen@tx.rr.com>
Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230316164428.275147-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
5e8a0c6291 tests/tcg/s390x: Add ex-relative-long.c
Test EXECUTE and EXECUTE RELATIVE LONG with relative long instructions
as targets.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-Id: <20230316210751.302423-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
703d03a4aa target/s390x: Fix EXECUTE of relative long instructions
The code uses the wrong base for relative addressing: it should use the
target instruction address and not the EXECUTE's address.

Fix by storing the target instruction address in the new CPUS390XState
member and loading it from the code generated by gen_ri2().

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230316210751.302423-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
04fce706bd tests/tcg/s390x: Add rxsbg.c
Add a small test for RXSBG with T=1 to prevent regressions.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230316172205.281369-3-iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
9701596d82 target/s390x: Fix R[NOX]SBG with T=1
RXSBG usage in the "filetests" test from the wasmtime testsuite makes
tcg_reg_alloc_op() attempt to temp_load() a TEMP_VAL_DEAD temporary,
causing an assertion failure:

    0x01000a70:  ec14 b040 3057  rxsbg    %r1, %r4, 0xb0, 0x40, 0x30

    OP after optimization and liveness analysis:
     ---- 0000000001000a70 0000000000000004 0000000000000006
     rotl_i64 tmp2,r4,$0x30                   dead: 1 2  pref=0xffff
     and_i64 tmp2,tmp2,$0x800000000000ffff    dead: 1  pref=0xffff
    [xor_i64 tmp3,tmp3,tmp2                   dead: 1 2  pref=0xffff]
     and_i64 cc_dst,tmp3,$0x800000000000ffff  sync: 0  dead: 0 1 2  pref=0xffff
     mov_i64 psw_addr,$0x1000a76              sync: 0  dead: 0 1  pref=0xffff
     mov_i32 cc_op,$0x6                       sync: 0  dead: 0 1  pref=0xffff
     call lookup_tb_ptr,$0x6,$1,tmp8,env      dead: 1  pref=none
     goto_ptr tmp8                            dead: 0
     set_label $L0
     exit_tb $0x7fffe809d183

    ../tcg/tcg.c:3865: tcg fatal error

The reason is that tmp3 does not have an initial value, which confuses
the register allocator. This also affects the correctness of the
results.

Fix by assigning R1 to it.

Exposed by commit e2e641fa3d ("tcg: Change default temp lifetime to
TEMP_TB").

Fixes: d6c6372e18 ("target-s390: Implement R[NOX]SBG")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230316172205.281369-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
a1465c8b5b tests/tcg/s390x: Add PSW modification tests
Add several small tests that check the PSW modification instructions:

* lpsw.S checks whether LPSW works correctly in the "happy" case.

* lpswe-early.S checks whether early exceptions are recognized and
  whether the correct ILC and old PSW are stored when they happen.

* ssm-early.S, stosm-early.S and exrl-ssm-early.S check the special
  handling of SSM and STOSM with respect to early exceptions.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230315020408.384766-4-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
199c42a6a1 target/s390x: Implement Early Exception Recognition
Generate a specification exception if a reserved bit is set in the PSW
mask or if the PSW address is out of bounds dictated by the addressing
mode.

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230315020408.384766-3-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Ilya Leoshkevich
377dc84e2d target/s390x: Fix LPSW
Currently LPSW does not invert the mask bit 12 and incorrectly copies
the BA bit into the address.

Fix by generating code similar to what s390_cpu_load_normal() does.

Reported-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230315020408.384766-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Thomas Huth
9ba1caf510 MAINTAINERS: Mark the Nios II CPU as orphan
Marek and Chris haven't been active for Nios II since years
(the last time seems to have been in 2017), and we've got
unhandled severe Nios II bug tickets in the bug tracker since
a long time, so to avoid wrong expectations of people who are
looking at the MAINTAINERS file, it's maybe best to mark the
Nios II entry as orphan nowadays.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230313183352.274744-1-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-03-20 09:32:50 +01:00
Peter Maydell
74c581b645 Trivial branch pull request 20230317
Fix doc
 Fix sh4 cpu log output
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Merge tag 'trivial-branch-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Trivial branch pull request 20230317

Fix doc
Fix sh4 cpu log output

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# gpg: Signature made Fri 17 Mar 2023 14:17:48 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs/sphinx/kerneldoc.py: Honour --enable-werror
  target/sh4: Honor QEMU_LOG_FILENAME with QEMU_LOG=cpu
  exec/memory: Fix kernel-doc warning

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-17 14:22:01 +00:00
Peter Maydell
ff7b2b098a target/xtensa updates for v8.0:
- enable testing big-endian xtensa cores
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Merge tag '20230316-xtensa' of https://github.com/OSLL/qemu-xtensa into staging

target/xtensa updates for v8.0:

- enable testing big-endian xtensa cores

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# gpg: Signature made Thu 16 Mar 2023 20:10:16 GMT
# gpg:                using RSA key 2B67854B98E5327DCDEB17D851F9CC91F83FA044
# gpg:                issuer "jcmvbkbc@gmail.com"
# gpg: Good signature from "Max Filippov <filippov@cadence.com>" [unknown]
# gpg:                 aka "Max Filippov <max.filippov@cogentembedded.com>" [full]
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>" [full]
# Primary key fingerprint: 2B67 854B 98E5 327D CDEB  17D8 51F9 CC91 F83F A044

* tag '20230316-xtensa' of https://github.com/OSLL/qemu-xtensa:
  tests/tcg/xtensa: allow testing big-endian cores
  tests/tcg/xtensa: add linker.ld to CLEANFILES

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-17 14:21:38 +00:00
Peter Maydell
53b90ae9b5 Migration Pull request
Hi
 
 This is just fixes for migration.
 - Fix rdma (dave)
 - Remove unused variable (Zhijian)
 - Fix AVX512 and XBZRLE (Matheus)
 - Fix migration preempt (Peter)
 - Fix populate_vfio_info (Steve)
 - Fix multifd send trace (Wei)
 
 Please apply.
 
 Later, Juan.
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Merge tag 'migration-20230316-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request

Hi

This is just fixes for migration.
- Fix rdma (dave)
- Remove unused variable (Zhijian)
- Fix AVX512 and XBZRLE (Matheus)
- Fix migration preempt (Peter)
- Fix populate_vfio_info (Steve)
- Fix multifd send trace (Wei)

Please apply.

Later, Juan.

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# gpg: Signature made Thu 16 Mar 2023 15:11:41 GMT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20230316-pull-request' of https://gitlab.com/juan.quintela/qemu:
  migration: fix populate_vfio_info
  migration/multifd: correct multifd_send_thread to trace the flags
  migration/rdma: Remove deprecated variable rdma_return_path
  migration/xbzrle: fix out-of-bounds write with axv512
  migration/xbzrle: use ctz64 to avoid undefined result
  migration/rdma: Fix return-path case
  migration: Wait on preempt channel in preempt thread

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-16 20:09:08 +00:00
Peter Maydell
ca8050098c update seabios to 1.16.2
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Merge tag 'seabios-1.16.2-20230316-pull-request' of https://gitlab.com/kraxel/qemu into staging

update seabios to 1.16.2

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* tag 'seabios-1.16.2-20230316-pull-request' of https://gitlab.com/kraxel/qemu:
  update seabios binaries to 1.16.2
  update seabios submodule to 1.16.2

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-16 20:08:48 +00:00
Steve Sistare
fa76c854ae migration: fix populate_vfio_info
Include CONFIG_DEVICES so that populate_vfio_info is instantiated for
CONFIG_VFIO.  Without it, the 'info migrate' command never returns
info about vfio.

Fixes: 43bd0bf30f ("migration: Move populate_vfio_info() into a separate file")
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Wei Wang
ff1585d1d8 migration/multifd: correct multifd_send_thread to trace the flags
The p->flags could be updated via the send_prepare callback, e.g. OR-ed
with MULTIFD_FLAG_ZLIB via zlib_send_prepare. Assign p->flags to the
local "flags" before the send_prepare callback could only get partial of
p->flags. Fix it by moving the assignment of p->flags to the local flags
after the callback, so that the correct flags can be traced.

Fixes: ab7cbb0b9a ("multifd: Make no compression operations into its own structure")
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Li Zhijian
bf0274192a migration/rdma: Remove deprecated variable rdma_return_path
It's no longer needed since commit
44bcfd45e9 ("migration/rdma: destination: create the return patch after the first accept")

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Matheus Tavares Bernardino
1776b70f55 migration/xbzrle: fix out-of-bounds write with axv512
xbzrle_encode_buffer_avx512() checks for overflows too scarcely in its
outer loop, causing out-of-bounds writes:

$ ../configure --target-list=aarch64-softmmu --enable-sanitizers --enable-avx512bw
$ make tests/unit/test-xbzrle && ./tests/unit/test-xbzrle

==5518==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x62100000b100 at pc 0x561109a7714d bp 0x7ffed712a440 sp 0x7ffed712a430
WRITE of size 1 at 0x62100000b100 thread T0
    #0 0x561109a7714c in uleb128_encode_small ../util/cutils.c:831
    #1 0x561109b67f6a in xbzrle_encode_buffer_avx512 ../migration/xbzrle.c:275
    #2 0x5611099a7428 in test_encode_decode_overflow ../tests/unit/test-xbzrle.c:153
    #3 0x7fb2fb65a58d  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7a58d)
    #4 0x7fb2fb65a333  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7a333)
    #5 0x7fb2fb65aa79 in g_test_run_suite (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7aa79)
    #6 0x7fb2fb65aa94 in g_test_run (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7aa94)
    #7 0x5611099a3a23 in main ../tests/unit/test-xbzrle.c:218
    #8 0x7fb2fa78c082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082)
    #9 0x5611099a608d in _start (/qemu/build/tests/unit/test-xbzrle+0x28408d)

0x62100000b100 is located 0 bytes to the right of 4096-byte region [0x62100000a100,0x62100000b100)
allocated by thread T0 here:
    #0 0x7fb2fb823a06 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153
    #1 0x7fb2fb637ef0 in g_malloc0 (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x57ef0)

Fix that by performing the overflow check in the inner loop, instead.

Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Matheus Tavares Bernardino
d84a78d15d migration/xbzrle: use ctz64 to avoid undefined result
__builtin_ctzll() produces undefined results when the argument is 0.
This can be seen through test-xbzrle, which produces the following
warning:

../migration/xbzrle.c:265: runtime error: passing zero to ctz(), which is not a valid argument

Replace __builtin_ctzll() with our ctz64() wrapper which properly
handles 0.

Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Dr. David Alan Gilbert
a5382214d8 migration/rdma: Fix return-path case
The RDMA code has return-path handling code, but it's only enabled
if postcopy is enabled; if the 'return-path' migration capability
is enabled, the return path is NOT setup but the core migration
code still tries to use it and breaks.

Enable the RDMA return path if either postcopy or the return-path
capability is enabled.

bz: https://bugzilla.redhat.com/show_bug.cgi?id=2063615

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Peter Xu
a5d35dc7e0 migration: Wait on preempt channel in preempt thread
QEMU main thread will wait until dest preempt channel established during
processing the LISTEN command (within the whole postcopy PACKAGED data), by
waiting on the semaphore postcopy_qemufile_dst_done.

That's racy, because it's possible that the dest QEMU main thread hasn't
yet accept()ed the new connection when processing the LISTEN event.  The
sem_wait() will yield the main thread without being able to run anything
else including the accept() of the new socket, which can cause deadlock
within the main thread.

To avoid the race, move the "wait channel" from main thread to the preempt
thread right at the start.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: 5655aab079 ("migration: Postpone postcopy preempt channel to be after main")
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-03-16 16:07:07 +01:00
Peter Maydell
364206640c docs/sphinx/kerneldoc.py: Honour --enable-werror
Currently, the kerneldoc Sphinx plugin doesn't honour the
--enable-werror configure option, so its warnings are never fatal.
This is because although we do pass sphinx-build the -W switch, the
warnings from kerneldoc are produced by the scripts/kernel-doc script
directly and don't go through Sphinx's "emit a warning" function.

When --enable-werror is in effect, pass sphinx-build an extra
argument -Dkerneldoc_werror=1.  The kerneldoc plugin can then use
this to determine whether it should be passing the kernel-doc script
-Werror.

We do this because there is no documented mechanism for
a Sphinx plugin to determine whether sphinx-build was
passed -W or not; if one is provided then we can switch to
that at a later date:
https://github.com/sphinx-doc/sphinx/issues/11239

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230314114431.1096972-1-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-03-16 14:39:10 +01:00
Gerd Hoffmann
d80d761daa update seabios binaries to 1.16.2
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-03-16 11:04:18 +01:00
Gerd Hoffmann
d27532e479 update seabios submodule to 1.16.2
git shortlog rel-1.16.1..rel-1.16.2
-----------------------------------

David Woodhouse (1):
      xen: require Xen info structure at 0x1000 to detect Xen

Qi Zhou (1):
      usb: fix wrong init of keyboard/mouse's if first interface is not boot protocol

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-03-16 10:59:40 +01:00
Ilya Leoshkevich
ad4052f104 target/sh4: Honor QEMU_LOG_FILENAME with QEMU_LOG=cpu
When using QEMU_LOG=cpu on sh4, QEMU_LOG_FILENAME is partially ignored.
Fix by using qemu_fprintf() instead of qemu_printf() in the respective
places.

Fixes: 90c84c5600 ("qom/cpu: Simplify how CPUClass:cpu_dump_state() prints")
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230316003411.129462-1-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-03-16 10:31:25 +01:00
Bernhard Beschow
afa55c6e24 exec/memory: Fix kernel-doc warning
During build the kernel-doc script complains about the following issue:

  src/docs/../include/exec/memory.h:1741: warning: Function parameter or member 'n' not described in 'memory_region_unmap_iommu_notifier_range'
  src/docs/../include/exec/memory.h:1741: warning: Excess function parameter 'notifier' description in 'memory_region_unmap_iommu_notifier_range'

Settle on "notifier" for consistency with other memory functions.

Fixes: 7caebbf9ea
       ("memory: introduce memory_region_unmap_iommu_notifier_range()")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230315072552.47117-1-shentey@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-03-16 10:31:25 +01:00
Peter Maydell
9636e51325 Miscellaneous fixes
* Avoid memory leak in TLS GSource usage
  * Avoid sending key releases for lang1/lang2 keys in ps2 keyboard
  * Add missing key name constants for F13-F24 keys
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Merge tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu into staging

Miscellaneous fixes

 * Avoid memory leak in TLS GSource usage
 * Avoid sending key releases for lang1/lang2 keys in ps2 keyboard
 * Add missing key name constants for F13-F24 keys

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# gpg: Signature made Tue 14 Mar 2023 16:25:28 GMT
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu:
  io/channel-tls: plug memory leakage on GSource
  ps2: Don't send key release event for Lang1, Lang2 keys
  Add qemu qcode support for keys F13 to F24

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-15 17:20:04 +00:00
Peter Maydell
be4033d76e small bug fixes
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

small bug fixes

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# gpg: Signature made Wed 15 Mar 2023 10:52:33 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  vl: defuse PID file path resolve error
  hw/intc/ioapic: Update KVM routes before redelivering IRQ, on RTE update
  docs/devel: clarify further the semantics of RMW operations
  Fix build without CONFIG_XEN_EMU

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-15 17:19:41 +00:00
Max Filippov
51139fb3e7 tests/tcg/xtensa: allow testing big-endian cores
Don't disable all big-endian tests, instead check whether $(CORE) is
supported by the configured $(QEMU) and enable tests if it is.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2023-03-15 05:08:04 -07:00
Max Filippov
5161dba859 tests/tcg/xtensa: add linker.ld to CLEANFILES
Linker script for xtensa tests must be preprocessed for a specific
target, remove it as a part of make clean.

Fixes: be5cac175a ("tests/tcg/xtensa: enable system tests")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-03-15 05:07:38 -07:00
Fiona Ebner
dee2a4d4d2 vl: defuse PID file path resolve error
Commit 85c4bf8aa6 ("vl: Unlink absolute PID file path") introduced a
critical error when the PID file path cannot be resolved. Before this
commit, it was possible to invoke QEMU when the PID file was a file
created with mkstemp that was already unlinked at the time of the
invocation. There might be other similar scenarios.

It should not be a critical error when the PID file unlink notifier
can't be registered, because the path can't be resolved. If the file
is already gone from QEMU's perspective, silently ignore the error.
Otherwise, only print a warning.

Fixes: 85c4bf8aa6 ("vl: Unlink absolute PID file path")
Reported-by: Dominik Csapak <d.csapak@proxmox.com>
Suggested-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20221031094716.39786-1-f.ebner@proxmox.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-03-15 11:52:25 +01:00
David Woodhouse
54ad31fb0a hw/intc/ioapic: Update KVM routes before redelivering IRQ, on RTE update
A Linux guest will perform IRQ migration after the IRQ has happened,
updating the RTE to point to the new destination CPU and then unmasking
the interrupt.

However, when the guest updates the RTE, ioapic_mem_write() calls
ioapic_service(), which redelivers the pending level interrupt via
kvm_set_irq(), *before* calling ioapic_update_kvm_routes() which sets
the new target CPU.

Thus, the IRQ which is supposed to go to the new target CPU is instead
misdelivered to the previous target. An example where the guest kernel
is attempting to migrate from CPU#2 to CPU#0 shows:

xenstore_read tx 0 path control/platform-feature-xs_reset_watches
ioapic_set_irq vector: 11 level: 1
ioapic_set_remote_irr set remote irr for pin 11
ioapic_service: trigger KVM IRQ 11
[    0.523627] The affinity mask was 0-3 and the handler is on 2
ioapic_mem_write ioapic mem write addr 0x0 regsel: 0x27 size 0x4 val 0x26
ioapic_update_kvm_routes: update KVM route for IRQ 11: fee02000 8021
ioapic_mem_write ioapic mem write addr 0x10 regsel: 0x26 size 0x4 val 0x18021
xenstore_reset_watches
ioapic_set_irq vector: 11 level: 1
ioapic_mem_read ioapic mem read addr 0x10 regsel: 0x26 size 0x4 retval 0x1c021
[    0.524569] ioapic_ack_level IRQ 11 moveit = 1
ioapic_eoi_broadcast EOI broadcast for vector 33
ioapic_clear_remote_irr clear remote irr for pin 11 vector 33
ioapic_mem_write ioapic mem write addr 0x0 regsel: 0x26 size 0x4 val 0x26
ioapic_mem_read ioapic mem read addr 0x10 regsel: 0x26 size 0x4 retval 0x18021
[    0.525235] ioapic_finish_move IRQ 11 calls irq_move_masked_irq()
[    0.526147] irq_do_set_affinity for IRQ 11, 0
[    0.526732] ioapic_set_affinity for IRQ 11, 0
[    0.527330] ioapic_setup_msg_from_msi for IRQ11 target 0
ioapic_mem_write ioapic mem write addr 0x0 regsel: 0x26 size 0x4 val 0x27
ioapic_mem_write ioapic mem write addr 0x10 regsel: 0x27 size 0x4 val 0x0
ioapic_mem_write ioapic mem write addr 0x0 regsel: 0x27 size 0x4 val 0x26
ioapic_mem_write ioapic mem write addr 0x10 regsel: 0x26 size 0x4 val 0x18021
[    0.527623] ioapic_set_affinity returns 0
[    0.527623] ioapic_finish_move IRQ 11 calls unmask_ioapic_irq()
ioapic_mem_write ioapic mem write addr 0x0 regsel: 0x26 size 0x4 val 0x26
ioapic_mem_write ioapic mem write addr 0x10 regsel: 0x26 size 0x4 val 0x8021
ioapic_set_remote_irr set remote irr for pin 11
ioapic_service: trigger KVM IRQ 11
ioapic_update_kvm_routes: update KVM route for IRQ 11: fee00000 8021
[    0.529571] The affinity mask was 0 and the handler is on 2
[    xenstore_watch path memory/target token FFFFFFFF92847D40

There are no other code paths in ioapic_mem_write() which need the KVM
IRQ routing table to be updated, so just shift the call from the end
of the function to happen right before the call to ioapic_service()
and thus deliver the re-enabled IRQ to the right place.

Alternative fixes might have been just to remove the part in
ioapic_service() which delivers the IRQ via kvm_set_irq() because
surely delivering as MSI ought to work just fine anyway in all cases?
That code lacks a comment justifying its existence.

Or maybe in the specific case shown in the above log, it would have
sufficed for ioapic_update_kvm_routes() to update the route *even*
when the IRQ is masked. It's not like it's actually going to get
triggered unless QEMU deliberately does so, anyway? But that only
works because the target CPU happens to be in the high word of the
RTE; if something in the *low* word (vector, perhaps) was changed
at the same time as the unmask, we'd still trigger with stale data.

Fixes: 15eafc2e60 "kvm: x86: add support for KVM_CAP_SPLIT_IRQCHIP"
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20230308111952.2728440-2-dwmw2@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-03-15 11:52:25 +01:00
Paolo Bonzini
3b31669ea9 docs/devel: clarify further the semantics of RMW operations
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-03-15 11:52:25 +01:00
Miroslav Rezanina
ddc7cb30f8 Fix build without CONFIG_XEN_EMU
Upstream commit ddf0fd9ae1 "hw/xen: Support HVM_PARAM_CALLBACK_TYPE_GSI callback"
added kvm_xen_maybe_deassert_callback usage to target/i386/kvm/kvm.c file without
conditional preprocessing check. This breaks any build not using CONFIG_XEN_EMU.

Protect call by conditional preprocessing to allow build without CONFIG_XEN_EMU.

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20230308130557.2420-1-mrezanin@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-03-15 11:52:24 +01:00
Peter Maydell
652737c809 Update version for v8.0.0-rc0 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-14 19:25:05 +00:00
Peter Maydell
7c3cc428c7 ui: dbus & misc fixes
v2:
 - fix crash spotted by avocado VNC test
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Merge tag 'display-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

ui: dbus & misc fixes

v2:
- fix crash spotted by avocado VNC test

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# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'display-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  ui/dbus: restrict opengl to gbm-enabled config
  ui/dbus: do not require opengl & gbm
  ui: introduce egl_init()
  ui/sdl: try to instantiate the matching opengl renderer
  ui/sdl: add QEMU_ENABLE_SDL_LOGGING setting/environment
  ui/egl: print EGL error, helping debugging
  ui/shader: fix #version directive must occur on first line
  ui/sdl: get the GL context from the window
  ui: set cursor position upon listener registration
  ui: set cursor upon listener registration
  ui: keep current cursor with QemuConsole
  ui: rename cursor_{get->ref}, return it
  ui: rename cursor_{put->unref}
  meson: ensure dbus-display generated code is built before other units
  ui/dbus: set mouse is-absolute during console creation
  audio/dbus: there are no sender for p2p mode
  ui/dbus: unregister clipboard on connection close
  ui/dbus: initialize cursor_fb

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-14 14:28:58 +00:00
Peter Maydell
caaf72fe47 Seventh RISC-V PR for 8.0
* Fix slli_uw decoding
 * Fix incorrect register name in disassembler for fmv,fabs,fneg instructions
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Merge tag 'pull-riscv-to-apply-20230314' of https://github.com/alistair23/qemu into staging

Seventh RISC-V PR for 8.0

* Fix slli_uw decoding
* Fix incorrect register name in disassembler for fmv,fabs,fneg instructions

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# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* tag 'pull-riscv-to-apply-20230314' of https://github.com/alistair23/qemu:
  Fix incorrect register name in disassembler for fmv,fabs,fneg instructions
  disas/riscv: Fix slli_uw decoding

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-14 14:28:47 +00:00
Peter Maydell
bf89cf14cd trivial branch pull request 20230314
Update MAINTAINER file
 Fix typo in qemu-options.hx
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Merge tag 'trivial-branch-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

trivial branch pull request 20230314

Update MAINTAINER file
Fix typo in qemu-options.hx

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# gpg: Signature made Tue 14 Mar 2023 13:49:05 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  MAINTAINERS: Remove CXL maintainer Ben Widawsky
  MAINTAINERS: update my email address for the clock framework
  qemu-options.hx: remove stray quote

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-14 14:28:35 +00:00
Markus Armbruster
fcc8f37ca3 MAINTAINERS: Remove CXL maintainer Ben Widawsky
Ben is no longer with intel.  He told me he expected to get back to
CXL, but it's not happening as quickly as he'd like, and that it's
best to remove him as maintainer.  So let's do that.

Thank you for serving as maintainer, Ben!

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230220212437.1462314-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-03-14 14:46:38 +01:00
Damien Hedde
1d7e672700 MAINTAINERS: update my email address for the clock framework
Also update mailmap

Signed-off-by: Damien Hedde <damien.hedde@dahe.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-Id: <20230213105227.2357-1-damien.hedde@dahe.fr>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-03-14 14:46:33 +01:00
Matheus Tavares Bernardino
c3a2c84ae3 io/channel-tls: plug memory leakage on GSource
This leakage can be seen through test-io-channel-tls:

$ ../configure --target-list=aarch64-softmmu --enable-sanitizers
$ make ./tests/unit/test-io-channel-tls
$ ./tests/unit/test-io-channel-tls

Indirect leak of 104 byte(s) in 1 object(s) allocated from:
    #0 0x7f81d1725808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
    #1 0x7f81d135ae98 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x57e98)
    #2 0x55616c5d4c1b in object_new_with_propv ../qom/object.c:795
    #3 0x55616c5d4a83 in object_new_with_props ../qom/object.c:768
    #4 0x55616c5c5415 in test_tls_creds_create ../tests/unit/test-io-channel-tls.c:70
    #5 0x55616c5c5a6b in test_io_channel_tls ../tests/unit/test-io-channel-tls.c:158
    #6 0x7f81d137d58d  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7a58d)

Indirect leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x7f81d1725a06 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153
    #1 0x7f81d1472a20 in gnutls_dh_params_init (/lib/x86_64-linux-gnu/libgnutls.so.30+0x46a20)
    #2 0x55616c6485ff in qcrypto_tls_creds_x509_load ../crypto/tlscredsx509.c:634
    #3 0x55616c648ba2 in qcrypto_tls_creds_x509_complete ../crypto/tlscredsx509.c:694
    #4 0x55616c5e1fea in user_creatable_complete ../qom/object_interfaces.c:28
    #5 0x55616c5d4c8c in object_new_with_propv ../qom/object.c:807
    #6 0x55616c5d4a83 in object_new_with_props ../qom/object.c:768
    #7 0x55616c5c5415 in test_tls_creds_create ../tests/unit/test-io-channel-tls.c:70
    #8 0x55616c5c5a6b in test_io_channel_tls ../tests/unit/test-io-channel-tls.c:158
    #9 0x7f81d137d58d  (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x7a58d)

...

SUMMARY: AddressSanitizer: 49143 byte(s) leaked in 184 allocation(s).

The docs for `g_source_add_child_source(source, child_source)` says
"source will hold a reference on child_source while child_source is
attached to it." Therefore, we should unreference the child source at
`qio_channel_tls_read_watch()` after attaching it to `source`. With this
change, ./tests/unit/test-io-channel-tls shows no leakages.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-14 13:41:21 +00:00
Ross Lagerwall
92f4a21d91 ps2: Don't send key release event for Lang1, Lang2 keys
The scancodes for the Lang1 and Lang2 keys (i.e. Hangeul, Hanja) are
special since they already have the 0x80 bit set which is commonly used
to indicate a key release in AT set 1. Reportedly, real hardware does
not send a key release scancode. So, skip sending a release for these
keys. This ensures that Windows behaves correctly and interprets it as a
single keypress rather than two consecutive keypresses.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-14 13:41:21 +00:00
Willem van de Velde
ac19b51678 Add qemu qcode support for keys F13 to F24
To be able to use the function keys F13 to F24 these should be defined in de keycodemapdb and added to the qapi.
The keycodemapdb is updated in its own repository, this patch enables the use of those keys within qemu.

Signed-off-by: Willem van de Velde <williamvdvelde@gmail.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-14 13:41:21 +00:00
Peter Maydell
27a03171d0 accel/tcg: Fix NB_MMU_MODES to 16
Balance of the target/ patchset which eliminates tcg_temp_free
 Balance of the target/ patchset which eliminates tcg_const
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Merge tag 'pull-tcg-20230313' of https://gitlab.com/rth7680/qemu into staging

accel/tcg: Fix NB_MMU_MODES to 16
Balance of the target/ patchset which eliminates tcg_temp_free
Balance of the target/ patchset which eliminates tcg_const

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* tag 'pull-tcg-20230313' of https://gitlab.com/rth7680/qemu: (91 commits)
  tcg: Drop tcg_const_*
  tcg: Drop tcg_const_*_vec
  target/tricore: Use min/max for saturate
  target/ppc: Avoid tcg_const_* in translate.c
  target/ppc: Fix gen_tlbsx_booke206
  target/ppc: Rewrite trans_ADDG6S
  target/ppc: Avoid tcg_const_* in power8-pmu-regs.c.inc
  target/ppc: Avoid tcg_const_* in fp-impl.c.inc
  target/ppc: Avoid tcg_const_* in vsx-impl.c.inc
  target/ppc: Avoid tcg_const_* in xxeval
  target/ppc: Avoid tcg_const_* in vmx-impl.c.inc
  target/ppc: Avoid tcg_const_i64 in do_vcntmb
  target/m68k: Use tcg_constant_i32 in gen_ea_mode
  target/arm: Avoid tcg_const_ptr in handle_rev
  target/arm: Avoid tcg_const_ptr in handle_vec_simd_sqshrn
  target/arm: Avoid tcg_const_ptr in disas_simd_zip_trn
  target/arm: Avoid tcg_const_* in translate-mve.c
  target/arm: Avoid tcg_const_ptr in gen_sve_{ldr,str}
  target/arm: Improve trans_BFCI
  target/arm: Create gen_set_rmode, gen_restore_rmode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-03-14 10:09:15 +00:00
Mikhail Tyutin
0d581506de Fix incorrect register name in disassembler for fmv,fabs,fneg instructions
Fix incorrect register name in RISC-V disassembler for fmv,fabs,fneg instructions

Signed-off-by: Mikhail Tyutin <m.tyutin@yadro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <3454991f-7f64-24c3-9a36-f5fa2cc389e1@yadro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2023-03-14 16:36:43 +10:00
Ivan Klokov
13e269f64a disas/riscv: Fix slli_uw decoding
The decoding of the slli_uw currently contains decoding
error: shamt part of opcode has six bits, not five.

Fixes 3de1fb71("target/riscv: update disas.c for xnor/orn/andn and slli.uw")

Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230227090228.17117-1-ivan.klokov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2023-03-14 16:36:30 +10:00
Marc-André Lureau
4814d3cbf9 ui/dbus: restrict opengl to gbm-enabled config
We can enable EGL later for non-GBM hosts.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00
Marc-André Lureau
84a0a2ef0a ui/dbus: do not require opengl & gbm
Allow to build & use the DBus display without 3d/GPU acceleration support.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00
Marc-André Lureau
0e1be59ed9 ui: introduce egl_init()
Future patches will introduce EGL support on win32 (too late for 8.0
though). Having a common place for EGL initialization and error handling
will make it simpler.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00
Marc-André Lureau
da3f7a3ab9 ui/sdl: try to instantiate the matching opengl renderer
-display sdl,gl=es didn't actually use OpenGL ES.

Using OpenGL ES allows to use ANGLE, which works generally better than
Windows/OEM OpenGL driver.

(note: users can still bypass the QEMU choice with SDL_RENDER_DRIVER
environment variable)

(note: for some reason, specifying a driver disables batching and
breaks rendering, so enable it explicitly)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00