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2018-03-07SiFive Freedom E Series RISC-V MachineMichael Clark
This provides a RISC-V Board compatible with the the SiFive Freedom E SDK. The following machine is implemented: - 'sifive_e'; CLINT, PLIC, UART, AON, GPIO, QSPI, PWM Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V PRCI BlockMichael Clark
Simple model of the PRCI (Power, Reset, Clock, Interrupt) to emulate register reads made by the SDK BSP. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V UART DeviceMichael Clark
QEMU model of the UART on the SiFive E300 and U500 series SOCs. BBL supports the SiFive UART for early console access via the SBI (Supervisor Binary Interface) and the linux kernel SBI console. The SiFive UART implements the pre qom legacy interface consistent with the 16550a UART in 'hw/char/serial.c'. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V VirtIO MachineMichael Clark
RISC-V machine with device-tree, 16550a UART and VirtIO MMIO. The following machine is implemented: - 'virt'; CLINT, PLIC, 16550A UART, VirtIO MMIO, device-tree Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V Test FinisherMichael Clark
Test finisher memory mapped device used to exit simulation. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V Spike MachinesMichael Clark
RISC-V machines compatble with Spike aka riscv-isa-sim, the RISC-V Instruction Set Simulator. The following machines are implemented: - 'spike_v1.9.1'; HTIF console, config-string, Privileged ISA Version 1.9.1 - 'spike_v1.10'; HTIF console, device-tree, Privileged ISA Version 1.10 Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V PLIC BlockMichael Clark
The PLIC (Platform Level Interrupt Controller) device provides a parameterizable interrupt controller based on SiFive's PLIC specification. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V CLINT BlockMichael Clark
The CLINT (Core Local Interruptor) device provides real-time clock, timer and interprocessor interrupts based on SiFive's CLINT specification. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V HART ArrayMichael Clark
Holds the state of a heterogenous array of RISC-V hardware threads. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V HTIF ConsoleMichael Clark
HTIF (Host Target Interface) provides console emulation for QEMU. HTIF allows identical copies of BBL (Berkeley Boot Loader) and linux to run on both Spike and QEMU. BBL provides HTIF console access via the SBI (Supervisor Binary Interface) and the linux kernel SBI console. The HTIT chardev implements the pre qom legacy interface consistent with the 16550a UART in 'hw/char/serial.c'. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07Add symbol table callback interface to load_elfMichael Clark
The RISC-V HTIF (Host Target Interface) console device requires access to the symbol table to locate the 'tohost' and 'fromhost' symbols. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V DisassemblerMichael Clark
The RISC-V disassembler has no dependencies outside of the 'disas' directory so it can be applied independently. The majority of the disassembler is machine-generated from instruction set metadata: - https://github.com/michaeljclark/riscv-meta Expected checkpatch errors for consistency and brevity reasons: ERROR: line over 90 characters ERROR: trailing statements should be on next line ERROR: space prohibited between function name and open parenthesis '(' Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V ELF Machine DefinitionMichael Clark
Define RISC-V ELF machine EM_RISCV 243 Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-06address_space_read: address_space_to_flatview needs RCU lockPaolo Bonzini
address_space_read is calling address_space_to_flatview but it can be called outside the RCU lock. To fix it, push the rcu_read_lock/unlock pair up from flatview_read_full to address_space_read's constant size fast path and address_space_read_full. Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06memory: inline some performance-sensitive accessorsPaolo Bonzini
These accessors are called from inlined functions, and the call sequence is much more expensive than just inlining the access. Move the struct declaration to memory-internal.h so that exec.c and memory.c can both use an inline function. Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06lockable: workaround GCC link issue with ASANMarc-André Lureau
Current GCC has an optimization bug when compiling with ASAN. See also GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84307 Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180215212552.26997-3-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06qmp: Add qom-list-properties to list QOM object propertiesAlexey Kardashevskiy
There is already 'device-list-properties' which does most of the job, however it does not handle everything returned by qom-list-types such as machines as they inherit directly from TYPE_OBJECT and not TYPE_DEVICE. It does not handle abstract classes either. This adds a new qom-list-properties command which prints properties of a specific class and its instance. It is pretty much a simplified copy of the device-list-properties handler. Since it creates an object instance, device properties should appear in the output as they are copied to QOM properties at the instance_init hook. This adds a object_class_property_iter_init() helper to allow class properties enumeration uses it in the new QMP command to allow properties listing for abstract classes. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-Id: <20180301130939.15875-3-aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06scsi: Remove automatic creation of SCSI controllers with -drive if=scsiThomas Huth
Automatic creation of SCSI controllers for "-drive if=scsi" for x86 machines was quite a bad idea (see description of commit f778a82f0c179 for details). This is marked as deprecated since QEMU v2.9.0, and as far as I know, nobody complained that this is still urgently required anymore. Time to remove this now. Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1519123357-13225-1-git-send-email-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block layer patches # gpg: Signature made Mon 05 Mar 2018 17:45:51 GMT # gpg: using RSA key 7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (38 commits) block: Fix NULL dereference on empty drive error qcow2: Replace align_offset() with ROUND_UP() block/ssh: Add basic .bdrv_truncate() block/ssh: Make ssh_grow_file() blocking block/ssh: Pull ssh_grow_file() from ssh_create() qemu-img: Make resize error message more general qcow2: make qcow2_co_create2() a coroutine_fn block: rename .bdrv_create() to .bdrv_co_create_opts() Revert "IDE: Do not flush empty CDROM drives" block: test blk_aio_flush() with blk->root == NULL block: add BlockBackend->in_flight counter block: extract AIO_WAIT_WHILE() from BlockDriverState aio: rename aio_context_in_iothread() to in_aio_context_home_thread() docs: document how to use the l2-cache-entry-size parameter specs/qcow2: Fix documentation of the compressed cluster descriptor iotest 033: add misaligned write-zeroes test via truncate block: fix write with zero flag set and iovector provided block: Drop unused .bdrv_co_get_block_status() vvfat: Switch to .bdrv_co_block_status() vpc: Switch to .bdrv_co_block_status() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # include/block/block.h
2018-03-06ppc/spapr-caps: Convert cap-ibs to custom spapr-capSuraj Jitindar Singh
Convert cap-ibs (indirect branch speculation) to a custom spapr-cap type. All tristate caps have now been converted to custom spapr-caps, so remove the remaining support for them. Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com> [dwg: Don't explicitly list "?"/help option, trust convention] [dwg: Fold tristate removal into here, to not break bisect] [dwg: Fix minor style problems] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06mac_newworld: use object link to pass OpenPIC object to macioMark Cave-Ayland
Also switch macio_newworld_realize() over to use it rather than using the pic_mem memory region directly. Now that both Old World and New World macio devices no longer make use of the pic_mem memory region directly, we can remove it. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06openpic: move OpenPIC state and related definitions to openpic.hMark Cave-Ayland
This is to faciliate access to OpenPICState when wiring up the PIC to the macio controller. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06openpic: move KVM-specific declarations into separate openpic_kvm.h fileMark Cave-Ayland
This is needed before the next patch because the target-dependent kvm stub uses the existing kvm_openpic_connect_vcpu() declaration, making it impossible to move the device-specific declarations into the same file without breaking ppc-linux-user compilation. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06mac_oldworld: use object link to pass heathrow PIC object to macioMark Cave-Ayland
Also switch macio_oldworld_realize() over to use it rather than using the pic_mem memory region directly. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06macio: move macio related structures and defines into separate macio.h fileMark Cave-Ayland
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-06heathrow: QOMify heathrow PICMark Cave-Ayland
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-05Merge remote-tracking branch 'remotes/kraxel/tags/ui-20180305-pull-request' ↵Peter Maydell
into staging ui: build curses, gtk and sdl as modules. # gpg: Signature made Mon 05 Mar 2018 08:48:24 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20180305-pull-request: ui/sdl: build as module audio: rename CONFIG_* to CONFIG_AUDIO_* ui/curses: build as module ui/gtk: build as module configure: opengl doesn't depend on x11 configure: add X11 vars to config-host.mak console: add ui module loading support console: add and use qemu_display_find_default egl-headless: switch over to new display registry curses: switch over to new display registry cocoa: switch over to new display registry sdl: switch over to new display registry console: add qemu display registry, add gtk Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into ↵Peter Maydell
staging # gpg: Signature made Mon 05 Mar 2018 03:06:59 GMT # gpg: using RSA key EF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * remotes/jasowang/tags/net-pull-request: tap: setting error appropriately when calling net_init_tap_one() hw/net: Remove unnecessary header includes net: Add a new convenience option "--nic" to configure default/on-board NICs net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands net: Remove the deprecated way of dumping network packets net: Make net_client_init() static net: Only show vhost-user in the help text if CONFIG_POSIX is defined net: List available netdevs with "-netdev help" net: Move error reporting from net_init_client/netdev to the calling site Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05Merge remote-tracking branch ↵Peter Maydell
'remotes/vivier/tags/m68k-for-2.12-pull-request' into staging # gpg: Signature made Sun 04 Mar 2018 17:32:25 GMT # gpg: using RSA key F30C38BD3F2FBE3C # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" # gpg: aka "Laurent Vivier <laurent@vivier.eu>" # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" # Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C * remotes/vivier/tags/m68k-for-2.12-pull-request: target/m68k: add fscale, fgetman and fgetexp softfloat: use floatx80_infinity in softfloat target/m68k: add fmod/frem softfloat: export some functions target/m68k: TCGv returned by gen_load() must be freed Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05Merge remote-tracking branch 'remotes/ericb/tags/pull-qapi-2018-03-01-v4' ↵Peter Maydell
into staging qapi patches for 2018-03-01 - Markus Armbruster: Modularize generated QAPI code # gpg: Signature made Fri 02 Mar 2018 19:50:16 GMT # gpg: using RSA key A7A16B4A2527436A # gpg: Good signature from "Eric Blake <eblake@redhat.com>" # gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" # gpg: aka "[jpeg image of size 6874]" # Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A * remotes/ericb/tags/pull-qapi-2018-03-01-v4: (30 commits) qapi: Don't create useless directory qapi-generated Fix up dangling references to qmp-commands.* in comment and doc qapi: Move qapi-schema.json to qapi/, rename generated files docs: Correct outdated information on QAPI docs/devel/writing-qmp-commands: Update for modular QAPI qapi: Empty out qapi-schema.json Include less of the generated modular QAPI headers qapi: Generate separate .h, .c for each module watchdog: Consolidate QAPI into single file qapi/common: Fix guardname() for funny filenames qapi/types qapi/visit: Generate built-in stuff into separate files qapi: Make code-generating visitors use QAPIGen more qapi: Rename generated qmp-marshal.c to qmp-commands.c qapi: Record 'include' directives in intermediate representation qapi: Generate in source order qapi: Record 'include' directives in parse tree qapi: Concentrate QAPISchemaParser.exprs updates in .__init__() qapi: Lift error reporting from QAPISchema.__init__() to callers qapi/common: Eliminate QAPISchema.exprs qapi: Improve include file name reporting in error messages ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05console: add ui module loading supportGerd Hoffmann
If a requested user interface is not available, try loading it as module, simliar to block layer modules. Needed to keep things working when followup patches start to build user interfaces as modules. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-8-kraxel@redhat.com
2018-03-05console: add and use qemu_display_find_defaultGerd Hoffmann
Using the new display registry instead of #ifdefs in vl.c. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-7-kraxel@redhat.com
2018-03-05egl-headless: switch over to new display registryGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-6-kraxel@redhat.com
2018-03-05curses: switch over to new display registryGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-5-kraxel@redhat.com
2018-03-05cocoa: switch over to new display registryGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-4-kraxel@redhat.com
2018-03-05sdl: switch over to new display registryGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-3-kraxel@redhat.com
2018-03-05console: add qemu display registry, add gtkGerd Hoffmann
Add a registry for user interfaces. Add qemu_display_init and qemu_display_early_init helper functions for display initialization. Hook up gtk ui as first user. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20180301100547.18962-2-kraxel@redhat.com
2018-03-05tap: setting error appropriately when calling net_init_tap_one()Jay Zhou
If netdev_add tap,id=net0,...,vhost=on failed in net_init_tap_one(), the followed up device_add virtio-net-pci,netdev=net0 will fail too, prints: TUNSETOFFLOAD ioctl() failed: Bad file descriptor TUNSETOFFLOAD ioctl() failed: Bad file descriptor The reason is that the fd of tap is closed when error occured after calling net_init_tap_one(). The fd should be closed when calling net_init_tap_one failed: - if tap_set_sndbuf() failed - if tap_set_sndbuf() succeeded but vhost failed to open or initialize with vhostforce flag on - with wrong vhost command line parameter The fd should not be closed just because vhost failed to open or initialize but without vhostforce flag. So the followed up device_add can fall back to userspace virtio successfully. Suggested-by: Michael S. Tsirkin <mst@redhat.com> Suggested-by: Igor Mammedov <imammedo@redhat.com> Suggested-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-05net: Add a new convenience option "--nic" to configure default/on-board NICsThomas Huth
The legacy "-net" option can be quite confusing for the users since most people do not expect to get a "vlan" hub between their emulated guest hardware and the host backend. But so far, we are also not able to get rid of "-net" completely, since it is the only way to configure on-board NICs that can not be instantiated via "-device" yet. It's also a little bit shorter to type "-net nic -net tap" instead of "-device xyz,netdev=n1 -netdev tap,id=n1". So what we need is a new convenience option that is shorter to type than the full -device + -netdev stuff, and which can be used to configure the on-board NICs that can not be handled via -device yet. Thus this patch now provides such a new option "--nic": It adds an entry in the nd_table to configure a on-board / default NIC, creates a host backend and connects the two directly, without a confusing "vlan" hub inbetween. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-05net: Make net_client_init() staticThomas Huth
The function is only used within net.c, so there's no need that this is a global function. While we're at it, also remove the unused prototype compute_mcast_idx() (the function has been removed in commit d9caeb09b107e91122d10ba4a08a). Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-05net: Move error reporting from net_init_client/netdev to the calling siteThomas Huth
It looks strange that net_init_client() and net_init_netdev() both take an "Error **errp" parameter, but then do the error reporting with "error_report_err(local_err)" on their own. Let's move the error reporting to the calling site instead to simplify this code a little bit. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-04softfloat: use floatx80_infinity in softfloatLaurent Vivier
Since f3218a8 ("softfloat: add floatx80 constants") floatx80_infinity is defined but never used. This patch updates floatx80 functions to use this definition. This allows to define a different default Infinity value on m68k: the m68k FPU defines infinity with all bits set to zero in the mantissa. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180224201802.911-4-laurent@vivier.eu>
2018-03-04softfloat: export some functionsLaurent Vivier
Move fpu/softfloat-macros.h to include/fpu/ Export floatx80 functions to be used by target floatx80 specific implementations. Exports: propagateFloatx80NaN(), extractFloatx80Frac(), extractFloatx80Exp(), extractFloatx80Sign(), normalizeFloatx80Subnormal(), packFloatx80(), roundAndPackFloatx80(), normalizeRoundAndPackFloatx80() Also exports packFloat32() that will be used to implement m68k fsinh, fcos, fsin, ftan operations. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180224201802.911-2-laurent@vivier.eu>
2018-03-02qapi: Move qapi-schema.json to qapi/, rename generated filesMarkus Armbruster
Move qapi-schema.json to qapi/, so it's next to its modules, and all files get generated to qapi/, not just the ones generated for modules. Consistently name the generated files qapi-MODULE.EXT: qmp-commands.[ch] become qapi-commands.[ch], qapi-event.[ch] become qapi-events.[ch], and qmp-introspect.[ch] become qapi-introspect.[ch]. This gets rid of the temporary hacks in scripts/qapi/commands.py, scripts/qapi/events.py, and scripts/qapi/common.py. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-28-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> [eblake: Fix trailing dot in tpm.c, undo temporary hack for OSX toolchain] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02qapi: Empty out qapi-schema.jsonMarkus Armbruster
The previous commit improved compile time by including less of the generated QAPI headers. This is impossible for stuff defined directly in qapi-schema.json, because that ends up in headers that that pull in everything. Move everything but include directives from qapi-schema.json to new sub-module qapi/misc.json, then include just the "misc" shard where possible. It's possible everywhere, except: * monitor.c needs qmp-command.h to get qmp_init_marshal() * monitor.c, ui/vnc.c and the generated qapi-event-FOO.c need qapi-event.h to get enum QAPIEvent Perhaps we'll get rid of those some other day. Adding a type to qapi/migration.json now recompiles some 120 instead of 2300 out of 5100 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-25-armbru@redhat.com> [eblake: rebase to master] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02Include less of the generated modular QAPI headersMarkus Armbruster
In my "build everything" tree, a change to the types in qapi-schema.json triggers a recompile of about 4800 out of 5100 objects. The previous commit split up qmp-commands.h, qmp-event.h, qmp-visit.h, qapi-types.h. Each of these headers still includes all its shards. Reduce compile time by including just the shards we actually need. To illustrate the benefits: adding a type to qapi/migration.json now recompiles some 2300 instead of 4800 objects. The next commit will improve it further. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-24-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [eblake: rebase to master] Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02net: fix misaligned member accessMarc-André Lureau
Fixes the following ASAN warnings: /home/elmarco/src/qemu/hw/net/net_tx_pkt.c:201:27: runtime error: member access within misaligned address 0x631000028846 for type 'struct ip_header', which requires 4 byte alignment 0x631000028846: note: pointer points here 01 00 00 00 45 00 01 a9 01 00 00 00 40 11 78 45 00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 ^ /home/elmarco/src/qemu/hw/net/net_tx_pkt.c:208:63: runtime error: member access within misaligned address 0x631000028846 for type 'struct ip_header', which requires 4 byte alignment 0x631000028846: note: pointer points here 01 00 00 00 45 00 01 a9 01 00 00 00 40 11 78 45 00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 ^ /home/elmarco/src/qemu/hw/net/net_tx_pkt.c:210:13: runtime error: member access within misaligned address 0x631000028846 for type 'struct ip_header', which requires 4 byte alignment 0x631000028846: note: pointer points here 01 00 00 00 45 00 01 a9 01 00 00 00 40 11 78 45 00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00 Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20180209190340.19516-1-marcandre.lureau@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-02block: rename .bdrv_create() to .bdrv_co_create_opts()Stefan Hajnoczi
BlockDriver->bdrv_create() has been called from coroutine context since commit 5b7e1542cfa41a281af9629d31cef03704d976e6 ("block: make bdrv_create adopt coroutine"). Make this explicit by renaming to .bdrv_co_create_opts() and add the coroutine_fn annotation. This makes it obvious to block driver authors that they may yield, use CoMutex, or other coroutine_fn APIs. bdrv_co_create is reserved for the QAPI-based version that Kevin is working on. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20170705102231.20711-2-stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-02block: extract AIO_WAIT_WHILE() from BlockDriverStateStefan Hajnoczi
BlockDriverState has the BDRV_POLL_WHILE() macro to wait on event loop activity while a condition evaluates to true. This is used to implement synchronous operations where it acts as a condvar between the IOThread running the operation and the main loop waiting for the operation. It can also be called from the thread that owns the AioContext and in that case it's just a nested event loop. BlockBackend needs this behavior but doesn't always have a BlockDriverState it can use. This patch extracts BDRV_POLL_WHILE() into the AioWait abstraction, which can be used with AioContext and isn't tied to BlockDriverState anymore. This feature could be built directly into AioContext but then all users would kick the event loop even if they signal different conditions. Imagine an AioContext with many BlockDriverStates, each time a request completes any waiter would wake up and re-check their condition. It's nicer to keep a separate AioWait object for each condition instead. Please see "block/aio-wait.h" for details on the API. The name AIO_WAIT_WHILE() avoids the confusion between AIO_POLL_WHILE() and AioContext polling. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-02aio: rename aio_context_in_iothread() to in_aio_context_home_thread()Stefan Hajnoczi
The name aio_context_in_iothread() is misleading because it also returns true when called on the main AioContext from the main loop thread, which is not an IOThread. This patch renames it to in_aio_context_home_thread() and expands the doc comment to make the semantics clearer. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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