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2020-09-23qemu/atomic.h: rename atomic_ to qatomic_Stefan Hajnoczi1-4/+4
clang's C11 atomic_fetch_*() functions only take a C11 atomic type pointer argument. QEMU uses direct types (int, etc) and this causes a compiler error when a QEMU code calls these functions in a source file that also included <stdatomic.h> via a system header file: $ CC=clang CXX=clang++ ./configure ... && make ../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid) Avoid using atomic_*() names in QEMU's atomic.h since that namespace is used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h and <stdatomic.h> can co-exist. I checked /usr/include on my machine and searched GitHub for existing "qatomic_" users but there seem to be none. This patch was generated using: $ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \ sort -u >/tmp/changed_identifiers $ for identifier in $(</tmp/changed_identifiers); do sed -i "s%\<$identifier\>%q$identifier%g" \ $(git grep -I -l "\<$identifier\>") done I manually fixed line-wrap issues and misaligned rST tables. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
2020-09-16util: rename qemu_open() to qemu_open_old()Daniel P. Berrangé1-1/+1
We want to introduce a new version of qemu_open() that uses an Error object for reporting problems and make this it the preferred interface. Rename the existing method to release the namespace for the new impl. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2020-08-21meson: convert dump/Marc-André Lureau2-3/+4
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-10error: Eliminate error_propagate() manuallyMarkus Armbruster1-5/+2
When all we do with an Error we receive into a local variable is propagating to somewhere else, we can just as well receive it there right away. The previous two commits did that for sufficiently simple cases with Coccinelle. Do it for several more manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200707160613.848843-37-armbru@redhat.com>
2020-04-29various: Remove suspicious '\' character outside of #define in C codePhilippe Mathieu-Daudé1-1/+1
Fixes the following coccinelle warnings: $ spatch --sp-file --verbose-parsing ... \ scripts/coccinelle/remove_local_err.cocci ... SUSPICIOUS: a \ character appears outside of a #define at ./target/ppc/translate_init.inc.c:5213 SUSPICIOUS: a \ character appears outside of a #define at ./target/ppc/translate_init.inc.c:5261 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:166 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:167 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:169 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:170 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:171 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:172 SUSPICIOUS: a \ character appears outside of a #define at ./target/microblaze/cpu.c:173 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5787 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5789 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5800 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5801 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5802 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5804 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5805 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:5806 SUSPICIOUS: a \ character appears outside of a #define at ./target/i386/cpu.c:6329 SUSPICIOUS: a \ character appears outside of a #define at ./hw/sd/sdhci.c:1133 SUSPICIOUS: a \ character appears outside of a #define at ./hw/scsi/scsi-disk.c:3081 SUSPICIOUS: a \ character appears outside of a #define at ./hw/net/virtio-net.c:1529 SUSPICIOUS: a \ character appears outside of a #define at ./hw/riscv/sifive_u.c:468 SUSPICIOUS: a \ character appears outside of a #define at ./dump/dump.c:1895 SUSPICIOUS: a \ character appears outside of a #define at ./block/vhdx.c:2209 SUSPICIOUS: a \ character appears outside of a #define at ./block/vhdx.c:2215 SUSPICIOUS: a \ character appears outside of a #define at ./block/vhdx.c:2221 SUSPICIOUS: a \ character appears outside of a #define at ./block/vhdx.c:2222 SUSPICIOUS: a \ character appears outside of a #define at ./block/replication.c:172 SUSPICIOUS: a \ character appears outside of a #define at ./block/replication.c:173 Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200412223619.11284-2-f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-04-06Merge remote-tracking branch ↵Peter Maydell1-1/+1
'remotes/pmaydell/tags/pull-target-arm-20200406' into staging target-arm queue: * don't expose "ieee_half" via gdbstub (prevents gdb crashes or errors with older GDB versions) * hw/arm/collie: Put StrongARMState* into a CollieMachineState struct * PSTATE.PAN should not clear exec bits * hw/gpio/aspeed_gpio.c: Don't directly include assert.h (fixes compilation on some Windows build scenarios) * dump: Fix writing of ELF section * dma/xlnx-zdma: various bug fixes * target/arm/helperc. delete obsolete TODO comment # gpg: Signature made Mon 06 Apr 2020 11:04:01 BST # gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE # gpg: issuer "peter.maydell@linaro.org" # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate] # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate] # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20200406: dma/xlnx-zdma: Reorg to fix CUR_DSCR dma/xlnx-zdma: Advance the descriptor address when stopping dma/xlnx-zdma: Clear DMA_DONE when halting dma/xlnx-zdma: Populate DBG0.CMN_BUF_FREE dma/xlnx-zdma: Remove comment dump: Fix writing of ELF section hw/gpio/aspeed_gpio.c: Don't directly include assert.h target/arm: Remove obsolete TODO note from get_phys_addr_lpae() target/arm: PSTATE.PAN should not clear exec bits hw/arm/collie: Put StrongARMState* into a CollieMachineState struct target/arm: don't expose "ieee_half" via gdbstub Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-04-04dump/win_dump: fix use after free of errVladimir Sementsov-Ogievskiy1-3/+1
It's possible that we'll try to set err twice (or more). It's bad, it will crash. Instead, use warn_report(). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200324153630.11882-4-vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-04-03dump: Fix writing of ELF sectionPeter Maydell1-1/+1
In write_elf_section() we set the 'shdr' pointer to point to local structures shdr32 or shdr64, which we fill in to be written out to the ELF dump. Unfortunately the address we pass to fd_write_vmcore() has a spurious '&' operator, so instead of writing out the section header we write out the literal pointer value followed by whatever is on the stack after the 'shdr' local variable. Pass the correct address into fd_write_vmcore(). Spotted by Coverity: CID 1421970. Cc: qemu-stable@nongnu.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200324173630.12221-1-peter.maydell@linaro.org
2019-12-18hmp: drop Error pointer indirection in hmp_handle_errorVladimir Sementsov-Ogievskiy1-2/+2
We don't need Error **, as all callers pass local Error object, which isn't used after the call. Use Error * instead. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191205174635.18758-5-vsementsov@virtuozzo.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-08-16sysemu: Split sysemu/runstate.h off sysemu/sysemu.hMarkus Armbruster1-1/+1
sysemu/sysemu.h is a rather unfocused dumping ground for stuff related to the system-emulator. Evidence: * It's included widely: in my "build everything" tree, changing sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h, down from 5400 due to the previous two commits). * It pulls in more than a dozen additional headers. Split stuff related to run state management into its own header sysemu/runstate.h. Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400 to 4200. Touching new sysemu/runstate.h recompiles some 500 objects. Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also add qemu/main-loop.h. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-30-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [Unbreak OS-X build]
2019-08-16Clean up inclusion of sysemu/sysemu.hMarkus Armbruster1-1/+0
In my "build everything" tree, changing sysemu/sysemu.h triggers a recompile of some 5400 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). Almost a third of its inclusions are actually superfluous. Delete them. Downgrade two more to qapi/qapi-types-run-state.h, and move one from char/serial.h to char/serial.c. hw/semihosting/config.c, monitor/monitor.c, qdev-monitor.c, and stubs/semihost.c define variables declared in sysemu/sysemu.h without including it. The compiler is cool with that, but include it anyway. This doesn't reduce actual use much, as it's still included into widely included headers. The next commit will tackle that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-27-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2019-08-16Include qemu/main-loop.h lessMarkus Armbruster1-0/+1
In my "build everything" tree, changing qemu/main-loop.h triggers a recompile of some 5600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). It includes block/aio.h, which in turn includes qemu/event_notifier.h, qemu/notify.h, qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h, qemu/thread.h, qemu/timer.h, and a few more. Include qemu/main-loop.h only where it's needed. Touching it now recompiles only some 1700 objects. For block/aio.h and qemu/event_notifier.h, these numbers drop from 5600 to 2800. For the others, they shrink only slightly. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-21-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-07-02dump: Move HMP command handlers to dump/Markus Armbruster2-0/+89
Move the HMP handlers related to qapi/dump.json to dump/dump-hmp-cmds.c, where they are covered by MAINTAINERS section "Dump", just like qapi/dump.json. Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190619201050.19040-18-armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> [Commit message typo fixed]
2019-07-02dump: Move the code to dump/Markus Armbruster4-0/+2481
Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190619201050.19040-16-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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