diff options
112 files changed, 1387 insertions, 833 deletions
diff --git a/.gitlab-ci.d/buildtest-template.yml b/.gitlab-ci.d/buildtest-template.yml index d4f145fdb5..118371e377 100644 --- a/.gitlab-ci.d/buildtest-template.yml +++ b/.gitlab-ci.d/buildtest-template.yml @@ -115,3 +115,30 @@ - du -chs ${CI_PROJECT_DIR}/*-cache variables: QEMU_JOB_FUNCTIONAL: 1 + +.wasm_build_job_template: + extends: .base_job_template + stage: build + image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG + before_script: + - source scripts/ci/gitlab-ci-section + - section_start setup "Pre-script setup" + - JOBS=$(expr $(nproc) + 1) + - section_end setup + script: + - du -sh .git + - mkdir build + - cd build + - section_start configure "Running configure" + - emconfigure ../configure --disable-docs + ${TARGETS:+--target-list="$TARGETS"} + $CONFIGURE_ARGS || + { cat config.log meson-logs/meson-log.txt && exit 1; } + - if test -n "$LD_JOBS"; + then + pyvenv/bin/meson configure . -Dbackend_max_links="$LD_JOBS" ; + fi || exit 1; + - section_end configure + - section_start build "Building QEMU" + - emmake make -j"$JOBS" + - section_end build diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml index 431bc07d8f..248aaed137 100644 --- a/.gitlab-ci.d/buildtest.yml +++ b/.gitlab-ci.d/buildtest.yml @@ -792,3 +792,12 @@ coverity: when: never # Always manual on forks even if $QEMU_CI == "2" - when: manual + +build-wasm: + extends: .wasm_build_job_template + timeout: 2h + needs: + job: wasm-emsdk-cross-container + variables: + IMAGE: emsdk-wasm32-cross + CONFIGURE_ARGS: --static --disable-tools --enable-debug --enable-tcg-interpreter diff --git a/.gitlab-ci.d/container-cross.yml b/.gitlab-ci.d/container-cross.yml index 34c0e729ad..8d3be53b75 100644 --- a/.gitlab-ci.d/container-cross.yml +++ b/.gitlab-ci.d/container-cross.yml @@ -67,11 +67,8 @@ ppc64el-debian-cross-container: riscv64-debian-cross-container: extends: .container_job_template stage: containers - # as we are currently based on 'sid/unstable' we may break so... - allow_failure: true variables: NAME: debian-riscv64-cross - QEMU_JOB_OPTIONAL: 1 s390x-debian-cross-container: extends: .container_job_template @@ -94,3 +91,8 @@ win64-fedora-cross-container: extends: .container_job_template variables: NAME: fedora-win64-cross + +wasm-emsdk-cross-container: + extends: .container_job_template + variables: + NAME: emsdk-wasm32-cross diff --git a/.gitlab-ci.d/crossbuilds.yml b/.gitlab-ci.d/crossbuilds.yml index 7ae0f966f1..3f76c901ba 100644 --- a/.gitlab-ci.d/crossbuilds.yml +++ b/.gitlab-ci.d/crossbuilds.yml @@ -118,12 +118,8 @@ cross-ppc64el-kvm-only: IMAGE: debian-ppc64el-cross EXTRA_CONFIGURE_OPTS: --disable-tcg --without-default-devices -# The riscv64 cross-builds currently use a 'sid' container to get -# compilers and libraries. Until something more stable is found we -# allow_failure so as not to block CI. cross-riscv64-system: extends: .cross_system_build_job - allow_failure: true needs: job: riscv64-debian-cross-container variables: @@ -131,7 +127,6 @@ cross-riscv64-system: cross-riscv64-user: extends: .cross_user_build_job - allow_failure: true needs: job: riscv64-debian-cross-container variables: diff --git a/MAINTAINERS b/MAINTAINERS index 7c2b9e69ad..6dacd6d004 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -525,6 +525,7 @@ R: Phil Dennis-Jordan <phil@philjordan.eu> W: https://wiki.qemu.org/Features/HVF S: Maintained F: accel/hvf/ +F: accel/stubs/hvf-stub.c F: include/system/hvf.h F: include/system/hvf_int.h @@ -627,6 +628,15 @@ F: .gitlab-ci.d/cirrus/macos-* F: */*.m F: scripts/entitlement.sh +WebAssembly +M: Kohei Tokunaga <ktokunaga.mail@gmail.com> +S: Maintained +F: include/system/os-wasm.h +F: os-wasm.c +F: util/coroutine-wasm.c +F: configs/meson/emscripten.txt +F: tests/docker/dockerfiles/emsdk-wasm32-cross.docker + Alpha Machines -------------- M: Richard Henderson <richard.henderson@linaro.org> diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c index 3fc65d6b23..8c387fda24 100644 --- a/accel/hvf/hvf-all.c +++ b/accel/hvf/hvf-all.c @@ -12,6 +12,7 @@ #include "qemu/error-report.h" #include "system/hvf.h" #include "system/hvf_int.h" +#include "hw/core/cpu.h" const char *hvf_return_string(hv_return_t ret) { diff --git a/accel/stubs/hvf-stub.c b/accel/stubs/hvf-stub.c new file mode 100644 index 0000000000..42eadc5ca9 --- /dev/null +++ b/accel/stubs/hvf-stub.c @@ -0,0 +1,12 @@ +/* + * HVF stubs for QEMU + * + * Copyright (c) Linaro + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "system/hvf.h" + +bool hvf_allowed; diff --git a/accel/stubs/meson.build b/accel/stubs/meson.build index 91a2d21925..8ca1a4529e 100644 --- a/accel/stubs/meson.build +++ b/accel/stubs/meson.build @@ -2,5 +2,6 @@ system_stubs_ss = ss.source_set() system_stubs_ss.add(when: 'CONFIG_XEN', if_false: files('xen-stub.c')) system_stubs_ss.add(when: 'CONFIG_KVM', if_false: files('kvm-stub.c')) system_stubs_ss.add(when: 'CONFIG_TCG', if_false: files('tcg-stub.c')) +system_stubs_ss.add(when: 'CONFIG_HVF', if_false: files('hvf-stub.c')) specific_ss.add_all(when: ['CONFIG_SYSTEM_ONLY'], if_true: system_stubs_ss) diff --git a/backends/meson.build b/backends/meson.build index da714b93d1..9b88d22685 100644 --- a/backends/meson.build +++ b/backends/meson.build @@ -12,8 +12,10 @@ system_ss.add([files( if host_os != 'windows' system_ss.add(files('rng-random.c')) - system_ss.add(files('hostmem-file.c')) - system_ss.add([files('hostmem-shm.c'), rt]) + if host_os != 'emscripten' + system_ss.add(files('hostmem-file.c')) + system_ss.add([files('hostmem-shm.c'), rt]) + endif endif if host_os == 'linux' system_ss.add(files('hostmem-memfd.c')) diff --git a/block/file-posix.c b/block/file-posix.c index 0d85123d0f..ef52ed9169 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -110,6 +110,10 @@ #include <sys/diskslice.h> #endif +#ifdef EMSCRIPTEN +#include <sys/ioctl.h> +#endif + /* OS X does not have O_DSYNC */ #ifndef O_DSYNC #ifdef O_SYNC @@ -2076,8 +2080,11 @@ static int handle_aiocb_write_zeroes_unmap(void *opaque) } #ifndef HAVE_COPY_FILE_RANGE -static off_t copy_file_range(int in_fd, off_t *in_off, int out_fd, - off_t *out_off, size_t len, unsigned int flags) +#ifndef EMSCRIPTEN +static +#endif +ssize_t copy_file_range(int in_fd, off_t *in_off, int out_fd, + off_t *out_off, size_t len, unsigned int flags) { #ifdef __NR_copy_file_range return syscall(__NR_copy_file_range, in_fd, in_off, out_fd, diff --git a/bsd-user/main.c b/bsd-user/main.c index 603fc80ba7..7c0a059c3b 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -175,6 +175,9 @@ static void usage(void) "-strace log system calls\n" "-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n" " specify tracing options\n" +#ifdef CONFIG_PLUGIN + "-plugin [file=]<file>[,<argname>=<argvalue>]\n" +#endif "\n" "Environment variables:\n" "QEMU_STRACE Print system calls and arguments similar to the\n" @@ -225,6 +228,8 @@ static void init_task_state(TaskState *ts) }; } +static QemuPluginList plugins = QTAILQ_HEAD_INITIALIZER(plugins); + void gemu_log(const char *fmt, ...) { va_list ap; @@ -307,6 +312,7 @@ int main(int argc, char **argv) cpu_model = NULL; qemu_add_opts(&qemu_trace_opts); + qemu_plugin_add_opts(); optind = 1; for (;;) { @@ -399,6 +405,11 @@ int main(int argc, char **argv) do_strace = 1; } else if (!strcmp(r, "trace")) { trace_opt_parse(optarg); +#ifdef CONFIG_PLUGIN + } else if (!strcmp(r, "plugin")) { + r = argv[optind++]; + qemu_plugin_opt_parse(r, &plugins); +#endif } else if (!strcmp(r, "0")) { argv0 = argv[optind++]; } else { @@ -433,6 +444,7 @@ int main(int argc, char **argv) exit(1); } trace_init_file(); + qemu_plugin_load_list(&plugins, &error_fatal); /* Zero out regs */ memset(regs, 0, sizeof(struct target_pt_regs)); diff --git a/configs/meson/emscripten.txt b/configs/meson/emscripten.txt new file mode 100644 index 0000000000..4230e88005 --- /dev/null +++ b/configs/meson/emscripten.txt @@ -0,0 +1,8 @@ +[built-in options] +c_args = ['-pthread'] +cpp_args = ['-pthread'] +objc_args = ['-pthread'] +# -sPROXY_TO_PTHREAD link time flag always requires -pthread even during +# configuration so explicitly add the flag here. +c_link_args = ['-pthread','-sASYNCIFY=1','-sPROXY_TO_PTHREAD=1','-sFORCE_FILESYSTEM','-sALLOW_TABLE_GROWTH','-sTOTAL_MEMORY=2GB','-sWASM_BIGINT','-sEXPORT_ES6=1','-sASYNCIFY_IMPORTS=ffi_call_js','-sEXPORTED_RUNTIME_METHODS=addFunction,removeFunction,TTY,FS'] +cpp_link_args = ['-pthread','-sASYNCIFY=1','-sPROXY_TO_PTHREAD=1','-sFORCE_FILESYSTEM','-sALLOW_TABLE_GROWTH','-sTOTAL_MEMORY=2GB','-sWASM_BIGINT','-sEXPORT_ES6=1','-sASYNCIFY_IMPORTS=ffi_call_js','-sEXPORTED_RUNTIME_METHODS=addFunction,removeFunction,TTY,FS'] diff --git a/configure b/configure index 40705afdf5..2ce8d29fac 100755 --- a/configure +++ b/configure @@ -360,6 +360,10 @@ elif check_define __NetBSD__; then host_os=netbsd elif check_define __APPLE__; then host_os=darwin +elif check_define EMSCRIPTEN ; then + host_os=emscripten + cpu=wasm32 + cross_compile="yes" else # This is a fatal error, but don't report it yet, because we # might be going to just print the --help text, or it might @@ -526,6 +530,9 @@ case "$cpu" in linux_arch=x86 CPU_CFLAGS="-m64" ;; + wasm32) + CPU_CFLAGS="-m32" + ;; esac if test -n "$host_arch" && { diff --git a/docs/about/build-platforms.rst b/docs/about/build-platforms.rst index c3651871d2..8ecbd6b26f 100644 --- a/docs/about/build-platforms.rst +++ b/docs/about/build-platforms.rst @@ -118,9 +118,14 @@ Rust build dependencies include bindgen or have an older version, it is recommended to install a newer version using ``cargo install bindgen-cli``. - Developers may want to use Cargo-based tools in the QEMU source tree; - this requires Cargo 1.74.0. Note that Cargo is not required in order - to build QEMU. + QEMU requires Rust 1.77.0. This is available on all supported platforms + with one exception, namely the ``mips64el`` architecture on Debian bookworm. + For all other architectures, Debian bookworm provides a new-enough Rust + compiler in the ``rustc-web`` package. + + Also, on Ubuntu 22.04 or 24.04 this requires the ``rustc-1.77`` + (or newer) package. The path to ``rustc`` and ``rustdoc`` must be + provided manually to the configure script. Optional build dependencies Build components whose absence does not affect the ability to build QEMU diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst index 258cfad3fe..2c884197a2 100644 --- a/docs/devel/build-system.rst +++ b/docs/devel/build-system.rst @@ -168,7 +168,7 @@ The required versions of the packages are stored in a configuration file ``pythondeps.toml``. The format is custom to QEMU, but it is documented at the top of the file itself and it should be easy to understand. The requirements should make it possible to use the version that is packaged -that is provided by supported distros. +by QEMU's supported distros. When dependencies are downloaded, instead, ``configure`` uses a "known good" version that is also listed in ``pythondeps.toml``. In this diff --git a/docs/devel/rust.rst b/docs/devel/rust.rst index 3cc2841d4d..4de8637502 100644 --- a/docs/devel/rust.rst +++ b/docs/devel/rust.rst @@ -71,36 +71,9 @@ Building Rust code with ``--enable-modules`` is not supported yet. Supported tools ''''''''''''''' -QEMU supports rustc version 1.63.0 and newer. Notably, the following features +QEMU supports rustc version 1.77.0 and newer. Notably, the following features are missing: -* ``core::ffi`` (1.64.0). Use ``std::os::raw`` and ``std::ffi`` instead. - -* ``cast_mut()``/``cast_const()`` (1.65.0). Use ``as`` instead. - -* "let ... else" (1.65.0). Use ``if let`` instead. This is currently patched - in QEMU's vendored copy of the bilge crate. - -* Generic Associated Types (1.65.0) - -* ``CStr::from_bytes_with_nul()`` as a ``const`` function (1.72.0). - -* "Return position ``impl Trait`` in Traits" (1.75.0, blocker for including - the pinned-init create). - -* ``MaybeUninit::zeroed()`` as a ``const`` function (1.75.0). QEMU's - ``Zeroable`` trait can be implemented without ``MaybeUninit::zeroed()``, - so this would be just a cleanup. - -* ``c"" literals`` (stable in 1.77.0). QEMU provides a ``c_str!()`` macro - to define ``CStr`` constants easily - -* ``offset_of!`` (stable in 1.77.0). QEMU uses ``offset_of!()`` heavily; it - provides a replacement in the ``qemu_api`` crate, but it does not support - lifetime parameters and therefore ``&'a Something`` fields in the struct - may have to be replaced by ``NonNull<Something>``. *Nested* ``offset_of!`` - was only stabilized in Rust 1.82.0, but it is not used. - * inline const expression (stable in 1.79.0), currently worked around with associated constants in the ``FnCall`` trait. @@ -125,12 +98,6 @@ are missing: __ https://github.com/rust-lang/rust/pull/125258 -It is expected that QEMU will advance its minimum supported version of -rustc to 1.77.0 as soon as possible; as of January 2025, blockers -for that right now are Debian bookworm and 32-bit MIPS processors. -This unfortunately means that references to statics in constants will -remain an issue. - QEMU also supports version 0.60.x of bindgen, which is missing option ``--generate-cstr``. This option requires version 0.66.x and will be adopted as soon as supporting these older versions is not necessary @@ -183,7 +150,6 @@ module status ``bitops`` complete ``callbacks`` complete ``cell`` stable -``c_str`` complete ``errno`` complete ``irq`` complete ``memory`` stable @@ -440,7 +406,7 @@ Adding dependencies Generally, the set of dependent crates is kept small. Think twice before adding a new external crate, especially if it comes with a large set of dependencies itself. Sometimes QEMU only needs a small subset of the -functionality; see for example QEMU's ``assertions`` or ``c_str`` modules. +functionality; see for example QEMU's ``assertions`` module. On top of this recommendation, adding external crates to QEMU is a slightly complicated process, mostly due to the need to teach Meson how diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index d8adfea648..7a62f8d5bc 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -458,11 +458,11 @@ static void acpi_ged_initfn(Object *obj) * container for memory hotplug IO and expose it as GED sysbus * MMIO so that boards can map it separately. */ - memory_region_init(&s->container_memhp, OBJECT(dev), "memhp container", - MEMORY_HOTPLUG_IO_LEN); - sysbus_init_mmio(sbd, &s->container_memhp); - acpi_memory_hotplug_init(&s->container_memhp, OBJECT(dev), - &s->memhp_state, 0); + memory_region_init(&s->container_memhp, OBJECT(dev), "memhp container", + MEMORY_HOTPLUG_IO_LEN); + sysbus_init_mmio(sbd, &s->container_memhp); + acpi_memory_hotplug_init(&s->container_memhp, OBJECT(dev), + &s->memhp_state, 0); memory_region_init_io(&ged_st->regs, obj, &ged_regs_ops, ged_st, TYPE_ACPI_GED "-regs", ACPI_GED_REG_COUNT); diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c index 06c4e7e190..43d4c08a2e 100644 --- a/hw/display/vhost-user-gpu.c +++ b/hw/display/vhost-user-gpu.c @@ -18,6 +18,7 @@ #include "chardev/char-fe.h" #include "qapi/error.h" #include "migration/blocker.h" +#include "standard-headers/drm/drm_fourcc.h" typedef enum VhostUserGpuRequest { VHOST_USER_GPU_NONE = 0, @@ -249,7 +250,9 @@ vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg) case VHOST_USER_GPU_DMABUF_SCANOUT: { VhostUserGpuDMABUFScanout *m = &msg->payload.dmabuf_scanout; int fd = qemu_chr_fe_get_msgfd(&g->vhost_chr); - uint64_t modifier = 0; + uint32_t offset = 0; + uint32_t stride = m->fd_stride; + uint64_t modifier = DRM_FORMAT_MOD_INVALID; QemuDmaBuf *dmabuf; if (m->scanout_id >= g->parent_obj.conf.max_outputs) { @@ -282,10 +285,10 @@ vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg) } dmabuf = qemu_dmabuf_new(m->width, m->height, - m->fd_stride, 0, 0, + &offset, &stride, 0, 0, m->fd_width, m->fd_height, m->fd_drm_fourcc, modifier, - fd, false, m->fd_flags & + &fd, 1, false, m->fd_flags & VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP); dpy_gl_scanout_dmabuf(con, dmabuf); diff --git a/hw/display/virtio-gpu-udmabuf.c b/hw/display/virtio-gpu-udmabuf.c index 0510577475..d804f321aa 100644 --- a/hw/display/virtio-gpu-udmabuf.c +++ b/hw/display/virtio-gpu-udmabuf.c @@ -25,6 +25,7 @@ #include <linux/memfd.h> #include "qemu/memfd.h" #include "standard-headers/linux/udmabuf.h" +#include "standard-headers/drm/drm_fourcc.h" static void virtio_gpu_create_udmabuf(struct virtio_gpu_simple_resource *res) { @@ -176,16 +177,19 @@ static VGPUDMABuf struct virtio_gpu_rect *r) { VGPUDMABuf *dmabuf; + uint32_t offset = 0; if (res->dmabuf_fd < 0) { return NULL; } dmabuf = g_new0(VGPUDMABuf, 1); - dmabuf->buf = qemu_dmabuf_new(r->width, r->height, fb->stride, + dmabuf->buf = qemu_dmabuf_new(r->width, r->height, + &offset, &fb->stride, r->x, r->y, fb->width, fb->height, qemu_pixman_to_drm_format(fb->format), - 0, res->dmabuf_fd, true, false); + DRM_FORMAT_MOD_INVALID, &res->dmabuf_fd, + 1, true, false); dmabuf->scanout_id = scanout_id; QTAILQ_INSERT_HEAD(&g->dmabuf.bufs, dmabuf, next); diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c index 0271cfd271..e4d0688dbf 100644 --- a/hw/hyperv/hyperv.c +++ b/hw/hyperv/hyperv.c @@ -13,6 +13,8 @@ #include "qapi/error.h" #include "system/address-spaces.h" #include "system/memory.h" +#include "exec/target_page.h" +#include "linux/kvm.h" #include "system/kvm.h" #include "qemu/bitops.h" #include "qemu/error-report.h" @@ -23,7 +25,6 @@ #include "hw/hyperv/hyperv.h" #include "qom/object.h" #include "target/i386/kvm/hyperv-proto.h" -#include "target/i386/cpu.h" #include "exec/target_page.h" struct SynICState { diff --git a/hw/hyperv/meson.build b/hw/hyperv/meson.build index d3d2668c71..d1cf781f04 100644 --- a/hw/hyperv/meson.build +++ b/hw/hyperv/meson.build @@ -1,5 +1,6 @@ -specific_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c')) -specific_ss.add(when: 'CONFIG_HYPERV_TESTDEV', if_true: files('hyperv_testdev.c')) -specific_ss.add(when: 'CONFIG_VMBUS', if_true: files('vmbus.c')) -specific_ss.add(when: 'CONFIG_SYNDBG', if_true: files('syndbg.c')) -specific_ss.add(when: 'CONFIG_HV_BALLOON', if_true: files('hv-balloon.c', 'hv-balloon-page_range_tree.c', 'hv-balloon-our_range_memslots.c'), if_false: files('hv-balloon-stub.c')) +system_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c')) +system_ss.add(when: 'CONFIG_HYPERV_TESTDEV', if_true: files('hyperv_testdev.c')) +system_ss.add(when: 'CONFIG_VMBUS', if_true: files('vmbus.c')) +system_ss.add(when: 'CONFIG_SYNDBG', if_true: files('syndbg.c')) +system_ss.add(when: 'CONFIG_HV_BALLOON', if_true: files('hv-balloon.c', 'hv-balloon-page_range_tree.c', 'hv-balloon-our_range_memslots.c')) +system_ss.add(when: 'CONFIG_HV_BALLOON', if_false: files('hv-balloon-stub.c')) diff --git a/hw/hyperv/syndbg.c b/hw/hyperv/syndbg.c index ca291826a0..8b8a14750d 100644 --- a/hw/hyperv/syndbg.c +++ b/hw/hyperv/syndbg.c @@ -10,11 +10,11 @@ #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/sockets.h" +#include "qemu/units.h" #include "qapi/error.h" #include "migration/vmstate.h" #include "hw/qdev-properties.h" #include "hw/loader.h" -#include "cpu.h" #include "exec/target_page.h" #include "hw/hyperv/hyperv.h" #include "hw/hyperv/vmbus-bridge.h" @@ -184,12 +184,15 @@ static bool create_udp_pkt(HvSynDbg *syndbg, void *pkt, uint32_t pkt_len, return true; } +#define MSG_BUFSZ (4 * KiB) + static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa, uint32_t count, bool is_raw, uint32_t options, uint64_t timeout, uint32_t *retrieved_count) { uint16_t ret; - uint8_t data_buf[TARGET_PAGE_SIZE - UDP_PKT_HEADER_SIZE]; + g_assert(MSG_BUFSZ >= qemu_target_page_size()); + uint8_t data_buf[MSG_BUFSZ]; hwaddr out_len; void *out_data; ssize_t recv_byte_count; @@ -202,7 +205,7 @@ static uint16_t handle_recv_msg(HvSynDbg *syndbg, uint64_t outgpa, recv_byte_count = 0; } else { recv_byte_count = recv(syndbg->socket, data_buf, - MIN(sizeof(data_buf), count), MSG_WAITALL); + MIN(MSG_BUFSZ, count), MSG_WAITALL); if (recv_byte_count == -1) { return HV_STATUS_INVALID_PARAMETER; } diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c index b147ea06d8..961406cdd6 100644 --- a/hw/hyperv/vmbus.c +++ b/hw/hyperv/vmbus.c @@ -19,7 +19,7 @@ #include "hw/hyperv/vmbus.h" #include "hw/hyperv/vmbus-bridge.h" #include "hw/sysbus.h" -#include "cpu.h" +#include "exec/target_page.h" #include "trace.h" enum { diff --git a/hw/i2c/imx_i2c.c b/hw/i2c/imx_i2c.c index 91f84c2ad7..d26177c85d 100644 --- a/hw/i2c/imx_i2c.c +++ b/hw/i2c/imx_i2c.c @@ -79,13 +79,12 @@ static void imx_i2c_reset(DeviceState *dev) static inline void imx_i2c_raise_interrupt(IMXI2CState *s) { - /* - * raise an interrupt if the device is enabled and it is configured - * to generate some interrupts. - */ - if (imx_i2c_is_enabled(s) && imx_i2c_interrupt_is_enabled(s)) { + if (imx_i2c_is_enabled(s)) { s->i2sr |= I2SR_IIF; - qemu_irq_raise(s->irq); + + if (imx_i2c_interrupt_is_enabled(s)) { + qemu_irq_raise(s->irq); + } } } diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 3fffa4a332..f40ad062f9 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -139,7 +139,7 @@ static void init_common_fadt_data(MachineState *ms, Object *o, /* * "ICH9-LPC" or "PIIX4_PM" has "smm-compat" property to keep the old * behavior for compatibility irrelevant to smm_enabled, which doesn't - * comforms to ACPI spec. + * conform to the ACPI spec. */ bool smm_enabled = object_property_get_bool(o, "smm-compat", NULL) ? true : x86_machine_is_smm_enabled(x86ms); @@ -589,8 +589,8 @@ void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus) } } -static bool build_append_notfication_callback(Aml *parent_scope, - const PCIBus *bus) +static bool build_append_notification_callback(Aml *parent_scope, + const PCIBus *bus) { Aml *method; PCIBus *sec; @@ -604,7 +604,7 @@ static bool build_append_notfication_callback(Aml *parent_scope, continue; } nr_notifiers = nr_notifiers + - build_append_notfication_callback(br_scope, sec); + build_append_notification_callback(br_scope, sec); /* * add new child scope to parent * and keep track of bus that have PCNT, @@ -1773,7 +1773,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, PCIBus *b = PCI_HOST_BRIDGE(pci_host)->bus; scope = aml_scope("\\_SB.PCI0"); - has_pcnt = build_append_notfication_callback(scope, b); + has_pcnt = build_append_notification_callback(scope, b); if (has_pcnt) { aml_append(dsdt, scope); } diff --git a/hw/i386/acpi-build.h b/hw/i386/acpi-build.h index 0dce155c8c..275ec058a1 100644 --- a/hw/i386/acpi-build.h +++ b/hw/i386/acpi-build.h @@ -5,7 +5,7 @@ extern const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio; -/* PCI Hot-plug registers bases. See docs/spec/acpi_pci_hotplug.txt */ +/* PCI Hot-plug registers' base. See docs/specs/acpi_pci_hotplug.rst */ #define ACPI_PCIHP_SEJ_BASE 0x8 #define ACPI_PCIHP_BNMR_BASE 0x10 diff --git a/hw/pci/pcie_port.c b/hw/pci/pcie_port.c index 54f639e3d4..f3841a2656 100644 --- a/hw/pci/pcie_port.c +++ b/hw/pci/pcie_port.c @@ -188,7 +188,7 @@ int pcie_count_ds_ports(PCIBus *bus) return dsp_count; } -static bool pcie_slot_is_hotpluggbale_bus(HotplugHandler *plug_handler, +static bool pcie_slot_is_hotpluggable_bus(HotplugHandler *plug_handler, BusState *bus) { PCIESlot *s = PCIE_SLOT(bus->parent); @@ -221,7 +221,7 @@ static void pcie_slot_class_init(ObjectClass *oc, const void *data) hc->plug = pcie_cap_slot_plug_cb; hc->unplug = pcie_cap_slot_unplug_cb; hc->unplug_request = pcie_cap_slot_unplug_request_cb; - hc->is_hotpluggable_bus = pcie_slot_is_hotpluggbale_bus; + hc->is_hotpluggable_bus = pcie_slot_is_hotpluggable_bus; } static const TypeInfo pcie_slot_type_info = { diff --git a/hw/vfio/display.c b/hw/vfio/display.c index f3e6581f15..9c6f5aa265 100644 --- a/hw/vfio/display.c +++ b/hw/vfio/display.c @@ -213,6 +213,7 @@ static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevice *vdev, struct vfio_device_gfx_plane_info plane; VFIODMABuf *dmabuf; int fd, ret; + uint32_t offset = 0; memset(&plane, 0, sizeof(plane)); plane.argsz = sizeof(plane); @@ -245,10 +246,10 @@ static VFIODMABuf *vfio_display_get_dmabuf(VFIOPCIDevice *vdev, dmabuf = g_new0(VFIODMABuf, 1); dmabuf->dmabuf_id = plane.dmabuf_id; - dmabuf->buf = qemu_dmabuf_new(plane.width, plane.height, - plane.stride, 0, 0, plane.width, + dmabuf->buf = qemu_dmabuf_new(plane.width, plane.height, &offset, + &plane.stride, 0, 0, plane.width, plane.height, plane.drm_format, - plane.drm_format_mod, fd, false, false); + plane.drm_format_mod, &fd, 1, false, false); if (plane_type == DRM_PLANE_TYPE_CURSOR) { vfio_display_update_cursor(dmabuf, &plane); diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c index 698b5c53ed..e31d379702 100644 --- a/hw/xen/xen-mapcache.c +++ b/hw/xen/xen-mapcache.c @@ -75,7 +75,8 @@ typedef struct MapCache { } MapCache; static MapCache *mapcache; -static MapCache *mapcache_grants; +static MapCache *mapcache_grants_ro; +static MapCache *mapcache_grants_rw; static xengnttab_handle *xen_region_gnttabdev; static inline void mapcache_lock(MapCache *mc) @@ -176,9 +177,12 @@ void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque) * Grant mappings must use XC_PAGE_SIZE granularity since we can't * map anything beyond the number of pages granted to us. */ - mapcache_grants = xen_map_cache_init_single(f, opaque, - XC_PAGE_SHIFT, - max_mcache_size); + mapcache_grants_ro = xen_map_cache_init_single(f, opaque, + XC_PAGE_SHIFT, + max_mcache_size); + mapcache_grants_rw = xen_map_cache_init_single(f, opaque, + XC_PAGE_SHIFT, + max_mcache_size); setrlimit(RLIMIT_AS, &rlimit_as); } @@ -376,12 +380,12 @@ tryagain: entry = &mc->entry[address_index % mc->nr_buckets]; - while (entry && (lock || entry->lock) && entry->vaddr_base && - (entry->paddr_index != address_index || entry->size != cache_size || + while (entry && (!entry->vaddr_base || + entry->paddr_index != address_index || entry->size != cache_size || !test_bits(address_offset >> XC_PAGE_SHIFT, test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping))) { - if (!free_entry && !entry->lock) { + if (!free_entry && (!entry->lock || !entry->vaddr_base)) { free_entry = entry; free_pentry = pentry; } @@ -456,9 +460,13 @@ uint8_t *xen_map_cache(MemoryRegion *mr, bool is_write) { bool grant = xen_mr_is_grants(mr); - MapCache *mc = grant ? mapcache_grants : mapcache; + MapCache *mc = mapcache; uint8_t *p; + if (grant) { + mc = is_write ? mapcache_grants_rw : mapcache_grants_ro; + } + if (grant && !lock) { /* * Grants are only supported via address_space_map(). Anything @@ -523,7 +531,10 @@ ram_addr_t xen_ram_addr_from_mapcache(void *ptr) addr = xen_ram_addr_from_mapcache_single(mapcache, ptr); if (addr == RAM_ADDR_INVALID) { - addr = xen_ram_addr_from_mapcache_single(mapcache_grants, ptr); + addr = xen_ram_addr_from_mapcache_single(mapcache_grants_ro, ptr); + } + if (addr == RAM_ADDR_INVALID) { + addr = xen_ram_addr_from_mapcache_single(mapcache_grants_rw, ptr); } return addr; @@ -626,7 +637,8 @@ static void xen_invalidate_map_cache_entry_single(MapCache *mc, uint8_t *buffer) static void xen_invalidate_map_cache_entry_all(uint8_t *buffer) { xen_invalidate_map_cache_entry_single(mapcache, buffer); - xen_invalidate_map_cache_entry_single(mapcache_grants, buffer); + xen_invalidate_map_cache_entry_single(mapcache_grants_ro, buffer); + xen_invalidate_map_cache_entry_single(mapcache_grants_rw, buffer); } static void xen_invalidate_map_cache_entry_bh(void *opaque) diff --git a/include/glib-compat.h b/include/glib-compat.h index 86be439ba0..2e32b90f05 100644 --- a/include/glib-compat.h +++ b/include/glib-compat.h @@ -37,6 +37,13 @@ #endif /* + * These functions perform function pointer casts which can cause function call + * failure on Emscripten. Use g_slist_sort_with_data and g_list_sort_with_data + * instead of these functions. + */ +#pragma GCC poison g_slist_sort g_list_sort + +/* * Note that because of the GLIB_VERSION_MAX_ALLOWED constant above, allowing * use of functions from newer GLib via this compat header needs a little * trickery to prevent warnings being emitted. diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 12b2ff1f7d..1e87f7d393 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -1121,20 +1121,8 @@ bool cpu_exec_realizefn(CPUState *cpu, Error **errp); void cpu_exec_unrealizefn(CPUState *cpu); void cpu_exec_reset_hold(CPUState *cpu); -#ifdef COMPILING_PER_TARGET - extern const VMStateDescription vmstate_cpu_common; -#define VMSTATE_CPU() { \ - .name = "parent_obj", \ - .size = sizeof(CPUState), \ - .vmsd = &vmstate_cpu_common, \ - .flags = VMS_STRUCT, \ - .offset = 0, \ -} - -#endif /* COMPILING_PER_TARGET */ - #define UNASSIGNED_CPU_INDEX -1 #define UNASSIGNED_CLUSTER_INDEX -1 diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h index d717b4e13d..63a8b65278 100644 --- a/include/hw/hyperv/hyperv.h +++ b/include/hw/hyperv/hyperv.h @@ -10,7 +10,8 @@ #ifndef HW_HYPERV_HYPERV_H #define HW_HYPERV_HYPERV_H -#include "cpu-qom.h" +#include "exec/hwaddr.h" +#include "hw/core/cpu.h" #include "hw/hyperv/hyperv-proto.h" typedef struct HvSintRoute HvSintRoute; diff --git a/include/qemu/cacheflush.h b/include/qemu/cacheflush.h index ae20bcda73..76eb55d818 100644 --- a/include/qemu/cacheflush.h +++ b/include/qemu/cacheflush.h @@ -26,6 +26,13 @@ static inline void flush_idcache_range(uintptr_t rx, uintptr_t rw, size_t len) /* icache is coherent and does not require flushing. */ } +#elif defined(EMSCRIPTEN) + +static inline void flush_idcache_range(uintptr_t rx, uintptr_t rw, size_t len) +{ + /* Wasm doesn't have executable region of memory. */ +} + #else void flush_idcache_range(uintptr_t rx, uintptr_t rw, size_t len); diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 4397a90680..96fe51bc39 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -8,7 +8,7 @@ * To avoid getting into possible circular include dependencies, this * file should not include any other QEMU headers, with the exceptions * of config-host.h, config-target.h, qemu/compiler.h, - * system/os-posix.h, system/os-win32.h, glib-compat.h and + * system/os-posix.h, system/os-win32.h, system/os-wasm.h, glib-compat.h and * qemu/typedefs.h, all of which are doing a similar job to this file * and are under similar constraints. * @@ -164,10 +164,14 @@ QEMU_EXTERN_C int daemon(int, int); #include "system/os-win32.h" #endif -#ifdef CONFIG_POSIX +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) #include "system/os-posix.h" #endif +#if defined(EMSCRIPTEN) +#include "system/os-wasm.h" +#endif + #ifdef __cplusplus extern "C" { #endif diff --git a/include/system/hvf.h b/include/system/hvf.h index 730f927f03..7b45a2e198 100644 --- a/include/system/hvf.h +++ b/include/system/hvf.h @@ -14,19 +14,24 @@ #define HVF_H #include "qemu/accel.h" +#include "qemu/queue.h" +#include "exec/vaddr.h" #include "qom/object.h" #ifdef COMPILING_PER_TARGET -#include "cpu.h" +# ifdef CONFIG_HVF +# define CONFIG_HVF_IS_POSSIBLE +# endif /* !CONFIG_HVF */ +#else +# define CONFIG_HVF_IS_POSSIBLE +#endif /* COMPILING_PER_TARGET */ -#ifdef CONFIG_HVF +#ifdef CONFIG_HVF_IS_POSSIBLE extern bool hvf_allowed; #define hvf_enabled() (hvf_allowed) -#else /* !CONFIG_HVF */ +#else /* !CONFIG_HVF_IS_POSSIBLE */ #define hvf_enabled() 0 -#endif /* !CONFIG_HVF */ - -#endif /* COMPILING_PER_TARGET */ +#endif /* !CONFIG_HVF_IS_POSSIBLE */ #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME("hvf") diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h index 42ae18433f..8c8b84012d 100644 --- a/include/system/hvf_int.h +++ b/include/system/hvf_int.h @@ -11,6 +11,8 @@ #ifndef HVF_INT_H #define HVF_INT_H +#include "qemu/queue.h" + #ifdef __aarch64__ #include <Hypervisor/Hypervisor.h> typedef hv_vcpu_t hvf_vcpuid; diff --git a/include/system/os-wasm.h b/include/system/os-wasm.h new file mode 100644 index 0000000000..3abb3aaa03 --- /dev/null +++ b/include/system/os-wasm.h @@ -0,0 +1,104 @@ +/* SPDX-License-Identifier: MIT */ +/* + * posix specific declarations forked from os-posix.h, removing functions not + * working on Emscripten + * + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef QEMU_OS_WASM_H +#define QEMU_OS_WASM_H + +#include <sys/mman.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/tcp.h> +#include <arpa/inet.h> +#include <netdb.h> +#include <sys/un.h> + +#ifdef CONFIG_SYSMACROS +#include <sys/sysmacros.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +void os_set_line_buffering(void); +void os_setup_early_signal_handling(void); +void os_set_proc_name(const char *s); +void os_setup_signal_handling(void); +void os_setup_limits(void); +void os_setup_post(void); +int os_mlock(bool on_fault); +static inline int os_set_daemonize(bool d) +{ + return -1; +}; +bool is_daemonized(void); +static inline void os_daemonize(void) {} + +/** + * qemu_alloc_stack: + * @sz: pointer to a size_t holding the requested usable stack size + * + * Allocate memory that can be used as a stack, for instance for + * coroutines. If the memory cannot be allocated, this function + * will abort (like g_malloc()). This function also inserts an + * additional guard page to catch a potential stack overflow. + * Note that the memory required for the guard page and alignment + * and minimal stack size restrictions will increase the value of sz. + * + * The allocated stack must be freed with qemu_free_stack(). + * + * Returns: pointer to (the lowest address of) the stack memory. + */ +void *qemu_alloc_stack(size_t *sz); + +/** + * qemu_free_stack: + * @stack: stack to free + * @sz: size of stack in bytes + * + * Free a stack allocated via qemu_alloc_stack(). Note that sz must + * be exactly the adjusted stack size returned by qemu_alloc_stack. + */ +void qemu_free_stack(void *stack, size_t sz); + +/* POSIX and Mingw32 differ in the name of the stdio lock functions. */ + +static inline void qemu_flockfile(FILE *f) +{ + flockfile(f); +} + +static inline void qemu_funlockfile(FILE *f) +{ + funlockfile(f); +} + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/ui/dmabuf.h b/include/ui/dmabuf.h index dc74ba895a..3decdca497 100644 --- a/include/ui/dmabuf.h +++ b/include/ui/dmabuf.h @@ -10,24 +10,29 @@ #ifndef DMABUF_H #define DMABUF_H +#define DMABUF_MAX_PLANES 4 + typedef struct QemuDmaBuf QemuDmaBuf; QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height, - uint32_t stride, uint32_t x, - uint32_t y, uint32_t backing_width, - uint32_t backing_height, uint32_t fourcc, - uint64_t modifier, int dmabuf_fd, + const uint32_t *offset, const uint32_t *stride, + uint32_t x, uint32_t y, + uint32_t backing_width, uint32_t backing_height, + uint32_t fourcc, uint64_t modifier, + const int32_t *dmabuf_fd, uint32_t num_planes, bool allow_fences, bool y0_top); void qemu_dmabuf_free(QemuDmaBuf *dmabuf); G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuDmaBuf, qemu_dmabuf_free); -int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf); -int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf); +const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds); +void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds); void qemu_dmabuf_close(QemuDmaBuf *dmabuf); uint32_t qemu_dmabuf_get_width(QemuDmaBuf *dmabuf); uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf); -uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf); +const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets); +const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides); +uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf); uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf); uint64_t qemu_dmabuf_get_modifier(QemuDmaBuf *dmabuf); uint32_t qemu_dmabuf_get_texture(QemuDmaBuf *dmabuf); @@ -44,6 +49,5 @@ void qemu_dmabuf_set_texture(QemuDmaBuf *dmabuf, uint32_t texture); void qemu_dmabuf_set_fence_fd(QemuDmaBuf *dmabuf, int32_t fence_fd); void qemu_dmabuf_set_sync(QemuDmaBuf *dmabuf, void *sync); void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted); -void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd); #endif diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h index 4b8c0d2281..fb80e15142 100644 --- a/include/ui/egl-helpers.h +++ b/include/ui/egl-helpers.h @@ -46,8 +46,9 @@ extern int qemu_egl_rn_fd; extern struct gbm_device *qemu_egl_rn_gbm_dev; int egl_rendernode_init(const char *rendernode, DisplayGLMode mode); -int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc, - EGLuint64KHR *modifier); +bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset, + EGLint *stride, EGLint *fourcc, int *num_planes, + EGLuint64KHR *modifier); void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf); void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf); diff --git a/meson.build b/meson.build index 6c61e1dcae..e819a7084c 100644 --- a/meson.build +++ b/meson.build @@ -50,9 +50,9 @@ genh = [] qapi_trace_events = [] bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin'] -supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux'] +supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux', 'emscripten'] supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64', - 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64'] + 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64', 'wasm32'] cpu = host_machine.cpu_family() @@ -94,12 +94,12 @@ have_rust = have_rust and add_languages('rust', native: true, required: get_option('rust').disable_auto_if(not have_system)) if have_rust rustc = meson.get_compiler('rust') - if rustc.version().version_compare('<1.63.0') + if rustc.version().version_compare('<1.77.0') if get_option('rust').enabled() - error('rustc version ' + rustc.version() + ' is unsupported. Please upgrade to at least 1.63.0') + error('rustc version ' + rustc.version() + ' is unsupported. Please upgrade to at least 1.77.0') else warning('rustc version ' + rustc.version() + ' is unsupported, disabling Rust compilation.') - message('Please upgrade to at least 1.63.0 to use Rust.') + message('Please upgrade to at least 1.77.0 to use Rust.') have_rust = false endif endif @@ -353,6 +353,8 @@ foreach lang : all_languages # endif #endif''') # ok + elif compiler.get_id() == 'emscripten' + # ok else error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v15.0) to compile QEMU') endif @@ -470,7 +472,10 @@ endif # instead, we can't add -no-pie because it overrides -shared: the linker then # tries to build an executable instead of a shared library and fails. So # don't add -no-pie anywhere and cross fingers. :( -if not get_option('b_pie') +# +# Emscripten doesn't support -no-pie but meson can't catch the compiler +# warning. So explicitly omit the flag for Emscripten. +if not get_option('b_pie') and host_os != 'emscripten' qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie') endif @@ -514,6 +519,8 @@ ucontext_probe = ''' supported_backends = [] if host_os == 'windows' supported_backends += ['windows'] +elif host_os == 'emscripten' + supported_backends += ['wasm'] else if host_os != 'darwin' and cc.links(ucontext_probe) supported_backends += ['ucontext'] @@ -902,6 +909,10 @@ if get_option('tcg').allowed() if not get_option('tcg_interpreter') error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu)) endif + elif host_arch == 'wasm32' + if not get_option('tcg_interpreter') + error('WebAssembly host requires --enable-tcg-interpreter') + endif elif get_option('tcg_interpreter') warning('Use of the TCG interpreter is not recommended on this host') warning('architecture. There is a native TCG execution backend available') @@ -2962,7 +2973,9 @@ config_host_data.set('CONFIG_ATOMIC64', cc.links(''' return 0; }''', args: qemu_isa_flags)) -has_int128_type = cc.compiles(''' +# has_int128_type is set to false on Emscripten to avoid errors by libffi +# during runtime. +has_int128_type = host_os != 'emscripten' and cc.compiles(''' __int128_t a; __uint128_t b; int main(void) { b = a; }''') @@ -3178,6 +3191,11 @@ if host_os == 'windows' }''', name: '_lock_file and _unlock_file')) endif +if spice.found() + config_host_data.set('HAVE_SPICE_QXL_GL_SCANOUT2', + cc.has_function('spice_qxl_gl_scanout2', dependencies: spice)) +endif + if host_os == 'windows' mingw_has_setjmp_longjmp = cc.links(''' #include <setjmp.h> @@ -3775,6 +3793,8 @@ if have_block # os-win32.c does not if host_os == 'windows' system_ss.add(files('os-win32.c')) + elif host_os == 'emscripten' + blockdev_ss.add(files('os-wasm.c')) else blockdev_ss.add(files('os-posix.c')) endif @@ -4516,7 +4536,11 @@ subdir('scripts') subdir('tools') subdir('pc-bios') subdir('docs') -subdir('tests') +# Tests are disabled on emscripten because they rely on host features that aren't +# supported by emscripten (e.g. fork and unix socket). +if host_os != 'emscripten' + subdir('tests') +endif if gtk.found() subdir('po') endif diff --git a/meson_options.txt b/meson_options.txt index 0b4115e733..cc66b46c63 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -34,7 +34,7 @@ option('fuzzing_engine', type : 'string', value : '', option('trace_file', type: 'string', value: 'trace', description: 'Trace file prefix for simple backend') option('coroutine_backend', type: 'combo', - choices: ['ucontext', 'sigaltstack', 'windows', 'auto'], + choices: ['ucontext', 'sigaltstack', 'windows', 'wasm', 'auto'], value: 'auto', description: 'coroutine backend to use') # Everything else can be set via --enable/--disable-* option diff --git a/os-wasm.c b/os-wasm.c new file mode 100644 index 0000000000..d240c180c5 --- /dev/null +++ b/os-wasm.c @@ -0,0 +1,119 @@ +/* SPDX-License-Identifier: MIT */ +/* + * os-wasm.c + * Forked from os-posix.c, removing functions not working on Emscripten + * + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2010 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include <sys/resource.h> +#include <sys/wait.h> +#include <pwd.h> +#include <grp.h> +#include <libgen.h> + +#include "qemu/error-report.h" +#include "qemu/log.h" +#include "system/runstate.h" +#include "qemu/cutils.h" + +void os_setup_post(void){} +void os_set_line_buffering(void) +{ + setvbuf(stdout, NULL, _IOLBF, 0); +} +void os_setup_early_signal_handling(void) +{ + struct sigaction act; + sigfillset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = SIG_IGN; + sigaction(SIGPIPE, &act, NULL); +} +void os_set_proc_name(const char *s) +{ + error_report("Change of process name not supported by your OS"); + exit(1); +} +static void termsig_handler(int signal, siginfo_t *info, void *c) +{ + qemu_system_killed(info->si_signo, info->si_pid); +} + +void os_setup_signal_handling(void) +{ + struct sigaction act; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction = termsig_handler; + act.sa_flags = SA_SIGINFO; + sigaction(SIGINT, &act, NULL); + sigaction(SIGHUP, &act, NULL); + sigaction(SIGTERM, &act, NULL); +} +void os_setup_limits(void) +{ + struct rlimit nofile; + + if (getrlimit(RLIMIT_NOFILE, &nofile) < 0) { + warn_report("unable to query NOFILE limit: %s", strerror(errno)); + return; + } + + if (nofile.rlim_cur == nofile.rlim_max) { + return; + } + + nofile.rlim_cur = nofile.rlim_max; + + if (setrlimit(RLIMIT_NOFILE, &nofile) < 0) { + warn_report("unable to set NOFILE limit: %s", strerror(errno)); + return; + } +} +int os_mlock(bool on_fault) +{ +#ifdef HAVE_MLOCKALL + int ret = 0; + int flags = MCL_CURRENT | MCL_FUTURE; + + if (on_fault) { +#ifdef HAVE_MLOCK_ONFAULT + flags |= MCL_ONFAULT; +#else + error_report("mlockall: on_fault not supported"); + return -EINVAL; +#endif + } + + ret = mlockall(flags); + if (ret < 0) { + error_report("mlockall: %s", strerror(errno)); + } + + return ret; +#else + (void)on_fault; + return -ENOSYS; +#endif +} diff --git a/qemu-options.hx b/qemu-options.hx index dc694a99a3..aab53bcfe8 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4862,7 +4862,7 @@ SRST Start right away with a saved state (``loadvm`` in monitor) ERST -#ifndef _WIN32 +#if !defined(_WIN32) && !defined(EMSCRIPTEN) DEF("daemonize", 0, QEMU_OPTION_daemonize, \ "-daemonize daemonize QEMU after initializing\n", QEMU_ARCH_ALL) #endif @@ -5249,7 +5249,7 @@ HXCOMM Internal use DEF("qtest", HAS_ARG, QEMU_OPTION_qtest, "", QEMU_ARCH_ALL) DEF("qtest-log", HAS_ARG, QEMU_OPTION_qtest_log, "", QEMU_ARCH_ALL) -#ifdef CONFIG_POSIX +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) DEF("run-with", HAS_ARG, QEMU_OPTION_run_with, "-run-with [async-teardown=on|off][,chroot=dir][user=username|uid:gid]\n" " Set miscellaneous QEMU process lifecycle options:\n" diff --git a/qom/qom-qmp-cmds.c b/qom/qom-qmp-cmds.c index e866547618..293755f409 100644 --- a/qom/qom-qmp-cmds.c +++ b/qom/qom-qmp-cmds.c @@ -28,15 +28,11 @@ #include "qom/object_interfaces.h" #include "qom/qom-qobject.h" -ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp) +static Object *qom_resolve_path(const char *path, Error **errp) { - Object *obj; bool ambiguous = false; - ObjectPropertyInfoList *props = NULL; - ObjectProperty *prop; - ObjectPropertyIterator iter; + Object *obj = object_resolve_path(path, &ambiguous); - obj = object_resolve_path(path, &ambiguous); if (obj == NULL) { if (ambiguous) { error_setg(errp, "Path '%s' is ambiguous", path); @@ -44,6 +40,19 @@ ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp) error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", path); } + } + return obj; +} + +ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp) +{ + Object *obj; + ObjectPropertyInfoList *props = NULL; + ObjectProperty *prop; + ObjectPropertyIterator iter; + + obj = qom_resolve_path(path, errp); + if (obj == NULL) { return NULL; } diff --git a/rust/Cargo.lock b/rust/Cargo.lock index 2ebf0a11ea..13d580c693 100644 --- a/rust/Cargo.lock +++ b/rust/Cargo.lock @@ -108,7 +108,6 @@ version = "0.1.0" dependencies = [ "libc", "qemu_api_macros", - "version_check", ] [[package]] diff --git a/rust/Cargo.toml b/rust/Cargo.toml index 5ace47c69b..d9faeecb10 100644 --- a/rust/Cargo.toml +++ b/rust/Cargo.toml @@ -12,12 +12,12 @@ edition = "2021" homepage = "https://www.qemu.org" license = "GPL-2.0-or-later" repository = "https://gitlab.com/qemu-project/qemu/" -rust-version = "1.63.0" +rust-version = "1.77.0" [workspace.lints.rust] unexpected_cfgs = { level = "deny", check-cfg = [ 'cfg(MESON)', 'cfg(HAVE_GLIB_WITH_ALIGNED_ALLOC)', - 'cfg(has_offset_of)'] } +] } # Occasionally, we may need to silence warnings and clippy lints that # were only introduced in newer Rust compiler versions. Do not croak @@ -71,6 +71,7 @@ no_effect_underscore_binding = "deny" option_option = "deny" or_fun_call = "deny" ptr_as_ptr = "deny" +ptr_cast_constness = "deny" pub_underscore_fields = "deny" redundant_clone = "deny" redundant_closure_for_method_calls = "deny" @@ -88,11 +89,11 @@ suspicious_operation_groupings = "deny" transmute_ptr_to_ptr = "deny" transmute_undefined_repr = "deny" type_repetition_in_bounds = "deny" +uninlined_format_args = "deny" used_underscore_binding = "deny" # nice to have, but cannot be enabled yet #wildcard_imports = "deny" # still have many bindings::* imports -#ptr_cast_constness = "deny" # needs 1.65.0 for cast_mut()/cast_const() # these may have false positives #option_if_let_else = "deny" diff --git a/rust/clippy.toml b/rust/clippy.toml index 5d190f91de..58a62c0e63 100644 --- a/rust/clippy.toml +++ b/rust/clippy.toml @@ -1,2 +1,3 @@ doc-valid-idents = ["PrimeCell", ".."] -msrv = "1.63.0" +allow-mixed-uninlined-format-args = false +msrv = "1.77.0" diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs index bb2a0f207a..7c563ade9c 100644 --- a/rust/hw/char/pl011/src/device.rs +++ b/rust/hw/char/pl011/src/device.rs @@ -74,7 +74,7 @@ impl std::ops::Index<u32> for Fifo { } #[repr(C)] -#[derive(Debug, Default, qemu_api_macros::offsets)] +#[derive(Debug, Default)] pub struct PL011Registers { #[doc(alias = "fr")] pub flags: registers::Flags, @@ -98,7 +98,7 @@ pub struct PL011Registers { } #[repr(C)] -#[derive(qemu_api_macros::Object, qemu_api_macros::offsets)] +#[derive(qemu_api_macros::Object)] /// PL011 Device Model in QEMU pub struct PL011State { pub parent_obj: ParentField<SysBusDevice>, diff --git a/rust/hw/char/pl011/src/device_class.rs b/rust/hw/char/pl011/src/device_class.rs index b4d4a7eb43..d328d84632 100644 --- a/rust/hw/char/pl011/src/device_class.rs +++ b/rust/hw/char/pl011/src/device_class.rs @@ -3,13 +3,12 @@ // SPDX-License-Identifier: GPL-2.0-or-later use std::{ - os::raw::{c_int, c_void}, + ffi::{c_int, c_void}, ptr::NonNull, }; use qemu_api::{ bindings::{qdev_prop_bool, qdev_prop_chr}, - c_str, prelude::*, vmstate::VMStateDescription, vmstate_clock, vmstate_fields, vmstate_of, vmstate_struct, vmstate_subsections, vmstate_unused, @@ -25,7 +24,7 @@ extern "C" fn pl011_clock_needed(opaque: *mut c_void) -> bool { /// Migration subsection for [`PL011State`] clock. static VMSTATE_PL011_CLOCK: VMStateDescription = VMStateDescription { - name: c_str!("pl011/clock").as_ptr(), + name: c"pl011/clock".as_ptr(), version_id: 1, minimum_version_id: 1, needed: Some(pl011_clock_needed), @@ -46,7 +45,7 @@ extern "C" fn pl011_post_load(opaque: *mut c_void, version_id: c_int) -> c_int { } static VMSTATE_PL011_REGS: VMStateDescription = VMStateDescription { - name: c_str!("pl011/regs").as_ptr(), + name: c"pl011/regs".as_ptr(), version_id: 2, minimum_version_id: 2, fields: vmstate_fields! { @@ -70,7 +69,7 @@ static VMSTATE_PL011_REGS: VMStateDescription = VMStateDescription { }; pub static VMSTATE_PL011: VMStateDescription = VMStateDescription { - name: c_str!("pl011").as_ptr(), + name: c"pl011".as_ptr(), version_id: 2, minimum_version_id: 2, post_load: Some(pl011_post_load), @@ -87,14 +86,14 @@ pub static VMSTATE_PL011: VMStateDescription = VMStateDescription { qemu_api::declare_properties! { PL011_PROPERTIES, qemu_api::define_property!( - c_str!("chardev"), + c"chardev", PL011State, char_backend, unsafe { &qdev_prop_chr }, CharBackend ), qemu_api::define_property!( - c_str!("migrate-clk"), + c"migrate-clk", PL011State, migrate_clock, unsafe { &qdev_prop_bool }, diff --git a/rust/hw/char/pl011/src/lib.rs b/rust/hw/char/pl011/src/lib.rs index dbae76991c..5c4fbc9d14 100644 --- a/rust/hw/char/pl011/src/lib.rs +++ b/rust/hw/char/pl011/src/lib.rs @@ -12,13 +12,11 @@ //! See [`PL011State`](crate::device::PL011State) for the device model type and //! the [`registers`] module for register types. -use qemu_api::c_str; - mod device; mod device_class; mod registers; pub use device::pl011_create; -pub const TYPE_PL011: &::std::ffi::CStr = c_str!("pl011"); -pub const TYPE_PL011_LUMINARY: &::std::ffi::CStr = c_str!("pl011_luminary"); +pub const TYPE_PL011: &::std::ffi::CStr = c"pl011"; +pub const TYPE_PL011_LUMINARY: &::std::ffi::CStr = c"pl011_luminary"; diff --git a/rust/hw/timer/hpet/src/fw_cfg.rs b/rust/hw/timer/hpet/src/fw_cfg.rs index bef03727ea..aa08d28351 100644 --- a/rust/hw/timer/hpet/src/fw_cfg.rs +++ b/rust/hw/timer/hpet/src/fw_cfg.rs @@ -4,7 +4,7 @@ use std::ptr::addr_of_mut; -use qemu_api::{cell::bql_locked, impl_zeroable, zeroable::Zeroable}; +use qemu_api::{cell::bql_locked, zeroable::Zeroable}; /// Each `HPETState` represents a Event Timer Block. The v1 spec supports /// up to 8 blocks. QEMU only uses 1 block (in PC machine). @@ -18,7 +18,7 @@ pub struct HPETFwEntry { pub min_tick: u16, pub page_prot: u8, } -impl_zeroable!(HPETFwEntry); +unsafe impl Zeroable for HPETFwEntry {} #[repr(C, packed)] #[derive(Copy, Clone, Default)] @@ -26,7 +26,7 @@ pub struct HPETFwConfig { pub count: u8, pub hpet: [HPETFwEntry; HPET_MAX_NUM_EVENT_TIMER_BLOCK], } -impl_zeroable!(HPETFwConfig); +unsafe impl Zeroable for HPETFwConfig {} #[allow(non_upper_case_globals)] #[no_mangle] diff --git a/rust/hw/timer/hpet/src/hpet.rs b/rust/hw/timer/hpet/src/hpet.rs index 12de2ba59a..779681d650 100644 --- a/rust/hw/timer/hpet/src/hpet.rs +++ b/rust/hw/timer/hpet/src/hpet.rs @@ -3,8 +3,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later use std::{ - ffi::CStr, - os::raw::{c_int, c_void}, + ffi::{c_int, c_void, CStr}, pin::Pin, ptr::{addr_of_mut, null_mut, NonNull}, slice::from_ref, @@ -15,7 +14,6 @@ use qemu_api::{ address_space_memory, address_space_stl_le, qdev_prop_bit, qdev_prop_bool, qdev_prop_uint32, qdev_prop_uint8, }, - c_str, cell::{BqlCell, BqlRefCell}, irq::InterruptSource, memory::{ @@ -184,7 +182,7 @@ fn timer_handler(timer_cell: &BqlRefCell<HPETTimer>) { /// HPET Timer Abstraction #[repr(C)] -#[derive(Debug, qemu_api_macros::offsets)] +#[derive(Debug)] pub struct HPETTimer { /// timer N index within the timer block (`HPETState`) #[doc(alias = "tn")] @@ -220,7 +218,7 @@ impl HPETTimer { // SAFETY: the HPETTimer will only be used after the timer // is initialized below. qemu_timer: unsafe { Timer::new() }, - state: NonNull::new(state as *const _ as *mut _).unwrap(), + state: NonNull::new((state as *const HPETState).cast_mut()).unwrap(), config: 0, cmp: 0, fsb: 0, @@ -524,7 +522,7 @@ impl HPETTimer { /// HPET Event Timer Block Abstraction #[repr(C)] -#[derive(qemu_api_macros::Object, qemu_api_macros::offsets)] +#[derive(qemu_api_macros::Object)] pub struct HPETState { parent_obj: ParentField<SysBusDevice>, iomem: MemoryRegion, @@ -909,7 +907,7 @@ impl ObjectImpl for HPETState { qemu_api::declare_properties! { HPET_PROPERTIES, qemu_api::define_property!( - c_str!("timers"), + c"timers", HPETState, num_timers, unsafe { &qdev_prop_uint8 }, @@ -917,7 +915,7 @@ qemu_api::declare_properties! { default = HPET_MIN_TIMERS ), qemu_api::define_property!( - c_str!("msi"), + c"msi", HPETState, flags, unsafe { &qdev_prop_bit }, @@ -926,7 +924,7 @@ qemu_api::declare_properties! { default = false, ), qemu_api::define_property!( - c_str!("hpet-intcap"), + c"hpet-intcap", HPETState, int_route_cap, unsafe { &qdev_prop_uint32 }, @@ -934,7 +932,7 @@ qemu_api::declare_properties! { default = 0 ), qemu_api::define_property!( - c_str!("hpet-offset-saved"), + c"hpet-offset-saved", HPETState, hpet_offset_saved, unsafe { &qdev_prop_bool }, @@ -975,7 +973,7 @@ unsafe extern "C" fn hpet_post_load(opaque: *mut c_void, version_id: c_int) -> c } static VMSTATE_HPET_RTC_IRQ_LEVEL: VMStateDescription = VMStateDescription { - name: c_str!("hpet/rtc_irq_level").as_ptr(), + name: c"hpet/rtc_irq_level".as_ptr(), version_id: 1, minimum_version_id: 1, needed: Some(hpet_rtc_irq_level_needed), @@ -986,7 +984,7 @@ static VMSTATE_HPET_RTC_IRQ_LEVEL: VMStateDescription = VMStateDescription { }; static VMSTATE_HPET_OFFSET: VMStateDescription = VMStateDescription { - name: c_str!("hpet/offset").as_ptr(), + name: c"hpet/offset".as_ptr(), version_id: 1, minimum_version_id: 1, needed: Some(hpet_offset_needed), @@ -997,7 +995,7 @@ static VMSTATE_HPET_OFFSET: VMStateDescription = VMStateDescription { }; static VMSTATE_HPET_TIMER: VMStateDescription = VMStateDescription { - name: c_str!("hpet_timer").as_ptr(), + name: c"hpet_timer".as_ptr(), version_id: 1, minimum_version_id: 1, fields: vmstate_fields! { @@ -1012,10 +1010,10 @@ static VMSTATE_HPET_TIMER: VMStateDescription = VMStateDescription { ..Zeroable::ZERO }; -const VALIDATE_TIMERS_NAME: &CStr = c_str!("num_timers must match"); +const VALIDATE_TIMERS_NAME: &CStr = c"num_timers must match"; static VMSTATE_HPET: VMStateDescription = VMStateDescription { - name: c_str!("hpet").as_ptr(), + name: c"hpet".as_ptr(), version_id: 2, minimum_version_id: 1, pre_save: Some(hpet_pre_save), diff --git a/rust/hw/timer/hpet/src/lib.rs b/rust/hw/timer/hpet/src/lib.rs index 5e7c961c28..1954584a87 100644 --- a/rust/hw/timer/hpet/src/lib.rs +++ b/rust/hw/timer/hpet/src/lib.rs @@ -7,9 +7,7 @@ //! This library implements a device model for the IA-PC HPET (High //! Precision Event Timers) device in QEMU. -use qemu_api::c_str; - pub mod fw_cfg; pub mod hpet; -pub const TYPE_HPET: &::std::ffi::CStr = c_str!("hpet"); +pub const TYPE_HPET: &::std::ffi::CStr = c"hpet"; diff --git a/rust/qemu-api-macros/src/lib.rs b/rust/qemu-api-macros/src/lib.rs index eda0d46d12..f97449bb30 100644 --- a/rust/qemu-api-macros/src/lib.rs +++ b/rust/qemu-api-macros/src/lib.rs @@ -6,7 +6,7 @@ use proc_macro::TokenStream; use quote::quote; use syn::{ parse_macro_input, parse_quote, punctuated::Punctuated, spanned::Spanned, token::Comma, Data, - DeriveInput, Field, Fields, FieldsUnnamed, Ident, Meta, Path, Token, Type, Variant, Visibility, + DeriveInput, Field, Fields, FieldsUnnamed, Ident, Meta, Path, Token, Variant, }; mod utils; @@ -16,50 +16,41 @@ fn get_fields<'a>( input: &'a DeriveInput, msg: &str, ) -> Result<&'a Punctuated<Field, Comma>, MacroError> { - if let Data::Struct(s) = &input.data { - if let Fields::Named(fs) = &s.fields { - Ok(&fs.named) - } else { - Err(MacroError::Message( - format!("Named fields required for {}", msg), - input.ident.span(), - )) - } - } else { - Err(MacroError::Message( - format!("Struct required for {}", msg), + let Data::Struct(ref s) = &input.data else { + return Err(MacroError::Message( + format!("Struct required for {msg}"), input.ident.span(), - )) - } + )); + }; + let Fields::Named(ref fs) = &s.fields else { + return Err(MacroError::Message( + format!("Named fields required for {msg}"), + input.ident.span(), + )); + }; + Ok(&fs.named) } fn get_unnamed_field<'a>(input: &'a DeriveInput, msg: &str) -> Result<&'a Field, MacroError> { - if let Data::Struct(s) = &input.data { - let unnamed = match &s.fields { - Fields::Unnamed(FieldsUnnamed { - unnamed: ref fields, - .. - }) => fields, - _ => { - return Err(MacroError::Message( - format!("Tuple struct required for {}", msg), - s.fields.span(), - )) - } - }; - if unnamed.len() != 1 { - return Err(MacroError::Message( - format!("A single field is required for {}", msg), - s.fields.span(), - )); - } - Ok(&unnamed[0]) - } else { - Err(MacroError::Message( - format!("Struct required for {}", msg), + let Data::Struct(ref s) = &input.data else { + return Err(MacroError::Message( + format!("Struct required for {msg}"), input.ident.span(), - )) + )); + }; + let Fields::Unnamed(FieldsUnnamed { ref unnamed, .. }) = &s.fields else { + return Err(MacroError::Message( + format!("Tuple struct required for {msg}"), + s.fields.span(), + )); + }; + if unnamed.len() != 1 { + return Err(MacroError::Message( + format!("A single field is required for {msg}"), + s.fields.span(), + )); } + Ok(&unnamed[0]) } fn is_c_repr(input: &DeriveInput, msg: &str) -> Result<(), MacroError> { @@ -69,7 +60,7 @@ fn is_c_repr(input: &DeriveInput, msg: &str) -> Result<(), MacroError> { Ok(()) } else { Err(MacroError::Message( - format!("#[repr(C)] required for {}", msg), + format!("#[repr(C)] required for {msg}"), input.ident.span(), )) } @@ -82,7 +73,7 @@ fn is_transparent_repr(input: &DeriveInput, msg: &str) -> Result<(), MacroError> Ok(()) } else { Err(MacroError::Message( - format!("#[repr(transparent)] required for {}", msg), + format!("#[repr(transparent)] required for {msg}"), input.ident.span(), )) } @@ -160,33 +151,6 @@ pub fn derive_opaque(input: TokenStream) -> TokenStream { TokenStream::from(expanded) } -#[rustfmt::skip::macros(quote)] -fn derive_offsets_or_error(input: DeriveInput) -> Result<proc_macro2::TokenStream, MacroError> { - is_c_repr(&input, "#[derive(offsets)]")?; - - let name = &input.ident; - let fields = get_fields(&input, "#[derive(offsets)]")?; - let field_names: Vec<&Ident> = fields.iter().map(|f| f.ident.as_ref().unwrap()).collect(); - let field_types: Vec<&Type> = fields.iter().map(|f| &f.ty).collect(); - let field_vis: Vec<&Visibility> = fields.iter().map(|f| &f.vis).collect(); - - Ok(quote! { - ::qemu_api::with_offsets! { - struct #name { - #(#field_vis #field_names: #field_types,)* - } - } - }) -} - -#[proc_macro_derive(offsets)] -pub fn derive_offsets(input: TokenStream) -> TokenStream { - let input = parse_macro_input!(input as DeriveInput); - let expanded = derive_offsets_or_error(input).unwrap_or_else(Into::into); - - TokenStream::from(expanded) -} - #[allow(non_snake_case)] fn get_repr_uN(input: &DeriveInput, msg: &str) -> Result<Path, MacroError> { let repr = input.attrs.iter().find(|attr| attr.path().is_ident("repr")); @@ -204,26 +168,25 @@ fn get_repr_uN(input: &DeriveInput, msg: &str) -> Result<Path, MacroError> { } Err(MacroError::Message( - format!("#[repr(u8/u16/u32/u64) required for {}", msg), + format!("#[repr(u8/u16/u32/u64) required for {msg}"), input.ident.span(), )) } fn get_variants(input: &DeriveInput) -> Result<&Punctuated<Variant, Comma>, MacroError> { - if let Data::Enum(e) = &input.data { - if let Some(v) = e.variants.iter().find(|v| v.fields != Fields::Unit) { - return Err(MacroError::Message( - "Cannot derive TryInto for enum with non-unit variants.".to_string(), - v.fields.span(), - )); - } - Ok(&e.variants) - } else { - Err(MacroError::Message( + let Data::Enum(ref e) = &input.data else { + return Err(MacroError::Message( "Cannot derive TryInto for union or struct.".to_string(), input.ident.span(), - )) + )); + }; + if let Some(v) = e.variants.iter().find(|v| v.fields != Fields::Unit) { + return Err(MacroError::Message( + "Cannot derive TryInto for enum with non-unit variants.".to_string(), + v.fields.span(), + )); } + Ok(&e.variants) } #[rustfmt::skip::macros(quote)] diff --git a/rust/qemu-api/Cargo.toml b/rust/qemu-api/Cargo.toml index ca1b04269f..c96cf50e7a 100644 --- a/rust/qemu-api/Cargo.toml +++ b/rust/qemu-api/Cargo.toml @@ -17,9 +17,6 @@ rust-version.workspace = true qemu_api_macros = { path = "../qemu-api-macros" } libc = "0.2.162" -[build-dependencies] -version_check = "~0.9" - [features] default = ["debug_cell"] allocator = [] diff --git a/rust/qemu-api/build.rs b/rust/qemu-api/build.rs index 471e6c633d..1e720641d2 100644 --- a/rust/qemu-api/build.rs +++ b/rust/qemu-api/build.rs @@ -8,15 +8,13 @@ use std::os::unix::fs::symlink as symlink_file; use std::os::windows::fs::symlink_file; use std::{env, fs::remove_file, io::Result, path::Path}; -use version_check as rustc; - fn main() -> Result<()> { // Placing bindings.inc.rs in the source directory is supported // but not documented or encouraged. let path = env::var("MESON_BUILD_ROOT") .unwrap_or_else(|_| format!("{}/src", env!("CARGO_MANIFEST_DIR"))); - let file = format!("{}/bindings.inc.rs", path); + let file = format!("{path}/bindings.inc.rs"); let file = Path::new(&file); if !Path::new(&file).exists() { panic!(concat!( @@ -31,18 +29,13 @@ fn main() -> Result<()> { } let out_dir = env::var("OUT_DIR").unwrap(); - let dest_path = format!("{}/bindings.inc.rs", out_dir); + let dest_path = format!("{out_dir}/bindings.inc.rs"); let dest_path = Path::new(&dest_path); if dest_path.symlink_metadata().is_ok() { remove_file(dest_path)?; } symlink_file(file, dest_path)?; - // Check for available rustc features - if rustc::is_min_version("1.77.0").unwrap_or(false) { - println!("cargo:rustc-cfg=has_offset_of"); - } - println!("cargo:rerun-if-changed=build.rs"); Ok(()) } diff --git a/rust/qemu-api/meson.build b/rust/qemu-api/meson.build index 858685ddd4..1696df705b 100644 --- a/rust/qemu-api/meson.build +++ b/rust/qemu-api/meson.build @@ -5,9 +5,6 @@ _qemu_api_cfg = run_command(rustc_args, libc_dep = dependency('libc-0.2-rs') # _qemu_api_cfg += ['--cfg', 'feature="allocator"'] -if rustc.version().version_compare('>=1.77.0') - _qemu_api_cfg += ['--cfg', 'has_offset_of'] -endif if get_option('debug_mutex') _qemu_api_cfg += ['--cfg', 'feature="debug_cell"'] endif @@ -23,12 +20,10 @@ _qemu_api_rs = static_library( 'src/callbacks.rs', 'src/cell.rs', 'src/chardev.rs', - 'src/c_str.rs', 'src/errno.rs', 'src/irq.rs', 'src/memory.rs', 'src/module.rs', - 'src/offset_of.rs', 'src/prelude.rs', 'src/qdev.rs', 'src/qom.rs', diff --git a/rust/qemu-api/src/c_str.rs b/rust/qemu-api/src/c_str.rs deleted file mode 100644 index 3fa61b59c7..0000000000 --- a/rust/qemu-api/src/c_str.rs +++ /dev/null @@ -1,61 +0,0 @@ -// Copyright 2024 Red Hat, Inc. -// Author(s): Paolo Bonzini <pbonzini@redhat.com> -// SPDX-License-Identifier: GPL-2.0-or-later - -#![doc(hidden)] -//! This module provides a macro to define a constant of type -//! [`CStr`](std::ffi::CStr), for compatibility with versions of -//! Rust that lack `c""` literals. -//! -//! Documentation is hidden because it only exposes macros, which -//! are exported directly from `qemu_api`. - -#[macro_export] -/// Given a string constant _without_ embedded or trailing NULs, return -/// a `CStr`. -/// -/// Needed for compatibility with Rust <1.77. -macro_rules! c_str { - ($str:expr) => {{ - const STRING: &str = concat!($str, "\0"); - const BYTES: &[u8] = STRING.as_bytes(); - - // "for" is not allowed in const context... oh well, - // everybody loves some lisp. This could be turned into - // a procedural macro if this is a problem; alternatively - // Rust 1.72 makes CStr::from_bytes_with_nul a const function. - const fn f(b: &[u8], i: usize) { - if i == b.len() - 1 { - } else if b[i] == 0 { - panic!("c_str argument contains NUL") - } else { - f(b, i + 1) - } - } - f(BYTES, 0); - - // SAFETY: absence of NULs apart from the final byte was checked above - unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(BYTES) } - }}; -} - -#[cfg(test)] -mod tests { - use std::ffi::CStr; - - use crate::c_str; - - #[test] - fn test_cstr_macro() { - let good = c_str!("🦀"); - let good_bytes = b"\xf0\x9f\xa6\x80\0"; - assert_eq!(good.to_bytes_with_nul(), good_bytes); - } - - #[test] - fn test_cstr_macro_const() { - const GOOD: &CStr = c_str!("🦀"); - const GOOD_BYTES: &[u8] = b"\xf0\x9f\xa6\x80\0"; - assert_eq!(GOOD.to_bytes_with_nul(), GOOD_BYTES); - } -} diff --git a/rust/qemu-api/src/cell.rs b/rust/qemu-api/src/cell.rs index ab0785a269..05ce09f6cb 100644 --- a/rust/qemu-api/src/cell.rs +++ b/rust/qemu-api/src/cell.rs @@ -77,13 +77,13 @@ //! //! ``` //! # use qemu_api::prelude::*; -//! # use qemu_api::{c_str, cell::BqlRefCell, irq::InterruptSource, irq::IRQState}; +//! # use qemu_api::{cell::BqlRefCell, irq::InterruptSource, irq::IRQState}; //! # use qemu_api::{sysbus::SysBusDevice, qom::Owned, qom::ParentField}; //! # const N_GPIOS: usize = 8; //! # struct PL061Registers { /* ... */ } //! # unsafe impl ObjectType for PL061State { //! # type Class = <SysBusDevice as ObjectType>::Class; -//! # const TYPE_NAME: &'static std::ffi::CStr = c_str!("pl061"); +//! # const TYPE_NAME: &'static std::ffi::CStr = c"pl061"; //! # } //! struct PL061State { //! parent_obj: ParentField<SysBusDevice>, @@ -1016,7 +1016,7 @@ impl<T> Opaque<T> { /// Returns a raw pointer to the opaque data. pub const fn as_ptr(&self) -> *const T { - self.as_mut_ptr() as *const _ + self.as_mut_ptr().cast_const() } /// Returns a raw pointer to the opaque data that can be passed to a diff --git a/rust/qemu-api/src/chardev.rs b/rust/qemu-api/src/chardev.rs index 11e6c45afa..6e0590d758 100644 --- a/rust/qemu-api/src/chardev.rs +++ b/rust/qemu-api/src/chardev.rs @@ -10,11 +10,10 @@ //! called. use std::{ - ffi::CStr, + ffi::{c_int, c_void, CStr}, fmt::{self, Debug}, io::{self, ErrorKind, Write}, marker::PhantomPinned, - os::raw::{c_int, c_void}, ptr::addr_of_mut, slice, }; @@ -161,7 +160,7 @@ impl CharBackend { receive_cb, event_cb, None, - (owner as *const T as *mut T).cast::<c_void>(), + (owner as *const T).cast_mut().cast::<c_void>(), core::ptr::null_mut(), true, ); diff --git a/rust/qemu-api/src/irq.rs b/rust/qemu-api/src/irq.rs index 1222d4fde3..1526e6f63a 100644 --- a/rust/qemu-api/src/irq.rs +++ b/rust/qemu-api/src/irq.rs @@ -4,7 +4,11 @@ //! Bindings for interrupt sources -use std::{ffi::CStr, marker::PhantomData, os::raw::c_int, ptr}; +use std::{ + ffi::{c_int, CStr}, + marker::PhantomData, + ptr, +}; use crate::{ bindings::{self, qemu_set_irq}, diff --git a/rust/qemu-api/src/lib.rs b/rust/qemu-api/src/lib.rs index 05f38b51d3..234a94e3c2 100644 --- a/rust/qemu-api/src/lib.rs +++ b/rust/qemu-api/src/lib.rs @@ -15,7 +15,6 @@ pub mod prelude; pub mod assertions; pub mod bitops; -pub mod c_str; pub mod callbacks; pub mod cell; pub mod chardev; @@ -23,7 +22,6 @@ pub mod errno; pub mod irq; pub mod memory; pub mod module; -pub mod offset_of; pub mod qdev; pub mod qom; pub mod sysbus; @@ -33,7 +31,7 @@ pub mod zeroable; use std::{ alloc::{GlobalAlloc, Layout}, - os::raw::c_void, + ffi::c_void, }; #[cfg(HAVE_GLIB_WITH_ALIGNED_ALLOC)] @@ -165,6 +163,3 @@ unsafe impl GlobalAlloc for QemuAllocator { } } } - -#[cfg(has_offset_of)] -pub use core::mem::offset_of; diff --git a/rust/qemu-api/src/memory.rs b/rust/qemu-api/src/memory.rs index fdb1ea11fc..9ef2694bd6 100644 --- a/rust/qemu-api/src/memory.rs +++ b/rust/qemu-api/src/memory.rs @@ -5,9 +5,8 @@ //! Bindings for `MemoryRegion`, `MemoryRegionOps` and `MemTxAttrs` use std::{ - ffi::{CStr, CString}, + ffi::{c_uint, c_void, CStr, CString}, marker::PhantomData, - os::raw::{c_uint, c_void}, }; pub use bindings::{hwaddr, MemTxAttrs}; diff --git a/rust/qemu-api/src/offset_of.rs b/rust/qemu-api/src/offset_of.rs deleted file mode 100644 index 373229bbde..0000000000 --- a/rust/qemu-api/src/offset_of.rs +++ /dev/null @@ -1,168 +0,0 @@ -// SPDX-License-Identifier: MIT - -#![doc(hidden)] -//! This module provides macros that emulate the functionality of -//! `core::mem::offset_of` on older versions of Rust. -//! -//! Documentation is hidden because it only exposes macros, which -//! are exported directly from `qemu_api`. - -/// This macro provides the same functionality as `core::mem::offset_of`, -/// except that only one level of field access is supported. The declaration -/// of the struct must be wrapped with `with_offsets! { }`. -/// -/// It is needed because `offset_of!` was only stabilized in Rust 1.77. -#[cfg(not(has_offset_of))] -#[macro_export] -macro_rules! offset_of { - ($Container:ty, $field:ident) => { - <$Container>::OFFSET_TO__.$field - }; -} - -/// A wrapper for struct declarations, that allows using `offset_of!` in -/// versions of Rust prior to 1.77 -#[macro_export] -macro_rules! with_offsets { - // This method to generate field offset constants comes from: - // - // https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=10a22a9b8393abd7b541d8fc844bc0df - // - // used under MIT license with permission of Yandros aka Daniel Henry-Mantilla - ( - $(#[$struct_meta:meta])* - $struct_vis:vis - struct $StructName:ident { - $( - $(#[$field_meta:meta])* - $field_vis:vis - $field_name:ident : $field_ty:ty - ),* - $(,)? - } - ) => ( - #[cfg(not(has_offset_of))] - const _: () = { - struct StructOffsetsHelper<T>(std::marker::PhantomData<T>); - const END_OF_PREV_FIELD: usize = 0; - - // populate StructOffsetsHelper<T> with associated consts, - // one for each field - $crate::with_offsets! { - @struct $StructName - @names [ $($field_name)* ] - @tys [ $($field_ty ,)*] - } - - // now turn StructOffsetsHelper<T>'s consts into a single struct, - // applying field visibility. This provides better error messages - // than if offset_of! used StructOffsetsHelper::<T> directly. - pub - struct StructOffsets { - $( - $field_vis - $field_name: usize, - )* - } - impl $StructName { - pub - const OFFSET_TO__: StructOffsets = StructOffsets { - $( - $field_name: StructOffsetsHelper::<$StructName>::$field_name, - )* - }; - } - }; - ); - - ( - @struct $StructName:ident - @names [] - @tys [] - ) => (); - - ( - @struct $StructName:ident - @names [$field_name:ident $($other_names:tt)*] - @tys [$field_ty:ty , $($other_tys:tt)*] - ) => ( - #[allow(non_local_definitions)] - #[allow(clippy::modulo_one)] - impl StructOffsetsHelper<$StructName> { - #[allow(nonstandard_style)] - const $field_name: usize = { - const ALIGN: usize = std::mem::align_of::<$field_ty>(); - const TRAIL: usize = END_OF_PREV_FIELD % ALIGN; - END_OF_PREV_FIELD + (if TRAIL == 0 { 0usize } else { ALIGN - TRAIL }) - }; - } - const _: () = { - const END_OF_PREV_FIELD: usize = - StructOffsetsHelper::<$StructName>::$field_name + - std::mem::size_of::<$field_ty>() - ; - $crate::with_offsets! { - @struct $StructName - @names [$($other_names)*] - @tys [$($other_tys)*] - } - }; - ); -} - -#[cfg(test)] -mod tests { - use crate::offset_of; - - #[repr(C)] - struct Foo { - a: u16, - b: u32, - c: u64, - d: u16, - } - - #[repr(C)] - struct Bar { - pub a: u16, - pub b: u64, - c: Foo, - d: u64, - } - - crate::with_offsets! { - #[repr(C)] - struct Bar { - pub a: u16, - pub b: u64, - c: Foo, - d: u64, - } - } - - #[repr(C)] - pub struct Baz { - b: u32, - a: u8, - } - crate::with_offsets! { - #[repr(C)] - pub struct Baz { - b: u32, - a: u8, - } - } - - #[test] - fn test_offset_of() { - const OFFSET_TO_C: usize = offset_of!(Bar, c); - - assert_eq!(offset_of!(Bar, a), 0); - assert_eq!(offset_of!(Bar, b), 8); - assert_eq!(OFFSET_TO_C, 16); - assert_eq!(offset_of!(Bar, d), 40); - - assert_eq!(offset_of!(Baz, b), 0); - assert_eq!(offset_of!(Baz, a), 4); - } -} diff --git a/rust/qemu-api/src/qdev.rs b/rust/qemu-api/src/qdev.rs index 18b4a9ba68..1279d7a58d 100644 --- a/rust/qemu-api/src/qdev.rs +++ b/rust/qemu-api/src/qdev.rs @@ -5,8 +5,7 @@ //! Bindings to create devices and access device functionality from Rust. use std::{ - ffi::{CStr, CString}, - os::raw::{c_int, c_void}, + ffi::{c_int, c_void, CStr, CString}, ptr::NonNull, }; @@ -191,7 +190,7 @@ macro_rules! define_property { // use associated function syntax for type checking name: ::std::ffi::CStr::as_ptr($name), info: $prop, - offset: $crate::offset_of!($state, $field) as isize, + offset: ::std::mem::offset_of!($state, $field) as isize, bitnr: $bitnr, set_default: true, defval: $crate::bindings::Property__bindgen_ty_1 { u: $defval as u64 }, @@ -203,7 +202,7 @@ macro_rules! define_property { // use associated function syntax for type checking name: ::std::ffi::CStr::as_ptr($name), info: $prop, - offset: $crate::offset_of!($state, $field) as isize, + offset: ::std::mem::offset_of!($state, $field) as isize, set_default: true, defval: $crate::bindings::Property__bindgen_ty_1 { u: $defval as u64 }, ..$crate::zeroable::Zeroable::ZERO @@ -214,7 +213,7 @@ macro_rules! define_property { // use associated function syntax for type checking name: ::std::ffi::CStr::as_ptr($name), info: $prop, - offset: $crate::offset_of!($state, $field) as isize, + offset: ::std::mem::offset_of!($state, $field) as isize, set_default: false, ..$crate::zeroable::Zeroable::ZERO } diff --git a/rust/qemu-api/src/qom.rs b/rust/qemu-api/src/qom.rs index f1b4022157..41e5a5e29a 100644 --- a/rust/qemu-api/src/qom.rs +++ b/rust/qemu-api/src/qom.rs @@ -93,11 +93,10 @@ //! without incurring into violations of orphan rules for traits. use std::{ - ffi::CStr, + ffi::{c_void, CStr}, fmt, mem::ManuallyDrop, ops::{Deref, DerefMut}, - os::raw::c_void, ptr::NonNull, }; @@ -389,7 +388,7 @@ where { #[allow(clippy::as_ptr_cast_mut)] { - self.as_ptr::<U>() as *mut _ + self.as_ptr::<U>().cast_mut() } } } @@ -535,9 +534,10 @@ pub trait ObjectImpl: ObjectType + IsA<Object> { /// While `klass`'s parent class is initialized on entry, the other fields /// are all zero; it is therefore assumed that all fields in `T` can be /// zeroed, otherwise it would not be possible to provide the class as a - /// `&mut T`. TODO: add a bound of [`Zeroable`](crate::zeroable::Zeroable) - /// to T; this is more easily done once Zeroable does not require a manual - /// implementation (Rust 1.75.0). + /// `&mut T`. TODO: it may be possible to add an unsafe trait that checks + /// that all fields *after the parent class* (but not the parent class + /// itself) are Zeroable. This unsafe trait can be added via a derive + /// macro. const CLASS_INIT: fn(&mut Self::Class); } @@ -638,7 +638,7 @@ impl<T: ObjectType> Owned<T> { // SAFETY NOTE: while NonNull requires a mutable pointer, only // Deref is implemented so the pointer passed to from_raw // remains const - Owned(NonNull::new(ptr as *mut T).unwrap()) + Owned(NonNull::new(ptr.cast_mut()).unwrap()) } /// Obtain a raw C pointer from a reference. `src` is consumed diff --git a/rust/qemu-api/src/timer.rs b/rust/qemu-api/src/timer.rs index e769f8bc91..868bd88575 100644 --- a/rust/qemu-api/src/timer.rs +++ b/rust/qemu-api/src/timer.rs @@ -3,7 +3,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later use std::{ - os::raw::{c_int, c_void}, + ffi::{c_int, c_void}, pin::Pin, }; @@ -81,7 +81,7 @@ impl Timer { scale as c_int, attributes as c_int, Some(timer_cb), - (opaque as *const T).cast::<c_void>() as *mut c_void, + (opaque as *const T).cast::<c_void>().cast_mut(), ) } } diff --git a/rust/qemu-api/src/vmstate.rs b/rust/qemu-api/src/vmstate.rs index 9ae97c389c..9c8b2398e9 100644 --- a/rust/qemu-api/src/vmstate.rs +++ b/rust/qemu-api/src/vmstate.rs @@ -25,7 +25,7 @@ //! functionality that is missing from `vmstate_of!`. use core::{marker::PhantomData, mem, ptr::NonNull}; -use std::os::raw::{c_int, c_void}; +use std::ffi::{c_int, c_void}; pub use crate::bindings::{VMStateDescription, VMStateField}; use crate::{ @@ -205,8 +205,8 @@ macro_rules! vmstate_of { name: ::core::concat!(::core::stringify!($field_name), "\0") .as_bytes() .as_ptr() as *const ::std::os::raw::c_char, - offset: $crate::offset_of!($struct_name, $field_name), - $(num_offset: $crate::offset_of!($struct_name, $num),)? + offset: ::std::mem::offset_of!($struct_name, $field_name), + $(num_offset: ::std::mem::offset_of!($struct_name, $num),)? $(field_exists: $crate::vmstate_exist_fn!($struct_name, $test_fn),)? // The calls to `call_func_with_field!` are the magic that // computes most of the VMStateField from the type of the field. @@ -427,7 +427,7 @@ unsafe impl<T: VMState, const N: usize> VMState for [T; N] { macro_rules! vmstate_unused { ($size:expr) => {{ $crate::bindings::VMStateField { - name: $crate::c_str!("unused").as_ptr(), + name: c"unused".as_ptr(), size: $size, info: unsafe { ::core::ptr::addr_of!($crate::bindings::vmstate_info_unused_buffer) }, flags: $crate::bindings::VMStateFlags::VMS_BUFFER, @@ -483,10 +483,10 @@ macro_rules! vmstate_struct { name: ::core::concat!(::core::stringify!($field_name), "\0") .as_bytes() .as_ptr() as *const ::std::os::raw::c_char, - $(num_offset: $crate::offset_of!($struct_name, $num),)? + $(num_offset: ::std::mem::offset_of!($struct_name, $num),)? offset: { $crate::assert_field_type!($struct_name, $field_name, $type $(, num = $num)?); - $crate::offset_of!($struct_name, $field_name) + ::std::mem::offset_of!($struct_name, $field_name) }, size: ::core::mem::size_of::<$type>(), flags: $crate::bindings::VMStateFlags::VMS_STRUCT, @@ -518,7 +518,7 @@ macro_rules! vmstate_clock { $field_name, $crate::qom::Owned<$crate::qdev::Clock> $(, num = $num)? ); - $crate::offset_of!($struct_name, $field_name) + ::std::mem::offset_of!($struct_name, $field_name) }, size: ::core::mem::size_of::<*const $crate::qdev::Clock>(), flags: $crate::bindings::VMStateFlags( diff --git a/rust/qemu-api/src/zeroable.rs b/rust/qemu-api/src/zeroable.rs index a3415a2ebc..d8239d0856 100644 --- a/rust/qemu-api/src/zeroable.rs +++ b/rust/qemu-api/src/zeroable.rs @@ -4,89 +4,17 @@ /// Encapsulates the requirement that /// `MaybeUninit::<Self>::zeroed().assume_init()` does not cause undefined -/// behavior. This trait in principle could be implemented as just: -/// -/// ``` -/// pub unsafe trait Zeroable: Default { -/// const ZERO: Self = unsafe { ::core::mem::MaybeUninit::<Self>::zeroed().assume_init() }; -/// } -/// ``` -/// -/// The need for a manual implementation is only because `zeroed()` cannot -/// be used as a `const fn` prior to Rust 1.75.0. Once we can assume a new -/// enough version of the compiler, we could provide a `#[derive(Zeroable)]` -/// macro to check at compile-time that all struct fields are Zeroable, and -/// use the above blanket implementation of the `ZERO` constant. +/// behavior. /// /// # Safety /// -/// Because the implementation of `ZERO` is manual, it does not make -/// any assumption on the safety of `zeroed()`. However, other users of the -/// trait could use it that way. Do not add this trait to a type unless -/// all-zeroes is a valid value for the type. In particular, remember that -/// raw pointers can be zero, but references and `NonNull<T>` cannot +/// Do not add this trait to a type unless all-zeroes is a valid value for the +/// type. In particular, raw pointers can be zero, but references and +/// `NonNull<T>` cannot. pub unsafe trait Zeroable: Default { - const ZERO: Self; -} - -/// A macro that acts similarly to [`core::mem::zeroed()`], only is const -/// -/// ## Safety -/// -/// Similar to `core::mem::zeroed()`, except this zeroes padding bits. Zeroed -/// padding usually isn't relevant to safety, but might be if a C union is used. -/// -/// Just like for `core::mem::zeroed()`, an all zero byte pattern might not -/// be a valid value for a type, as is the case for references `&T` and `&mut -/// T`. Reference types trigger a (denied by default) lint and cause immediate -/// undefined behavior if the lint is ignored -/// -/// ```rust compile_fail -/// use const_zero::const_zero; -/// // error: any use of this value will cause an error -/// // note: `#[deny(const_err)]` on by default -/// const STR: &str = unsafe{const_zero!(&'static str)}; -/// ``` -/// -/// `const_zero` does not work on unsized types: -/// -/// ```rust compile_fail -/// use const_zero::const_zero; -/// // error[E0277]: the size for values of type `[u8]` cannot be known at compilation time -/// const BYTES: [u8] = unsafe{const_zero!([u8])}; -/// ``` -/// ## Differences with `core::mem::zeroed` -/// -/// `const_zero` zeroes padding bits, while `core::mem::zeroed` doesn't -#[macro_export] -macro_rules! const_zero { - // This macro to produce a type-generic zero constant is taken from the - // const_zero crate (v0.1.1): - // - // https://docs.rs/const-zero/latest/src/const_zero/lib.rs.html - // - // and used under MIT license - ($type_:ty) => {{ - const TYPE_SIZE: ::core::primitive::usize = ::core::mem::size_of::<$type_>(); - union TypeAsBytes { - bytes: [::core::primitive::u8; TYPE_SIZE], - inner: ::core::mem::ManuallyDrop<$type_>, - } - const ZERO_BYTES: TypeAsBytes = TypeAsBytes { - bytes: [0; TYPE_SIZE], - }; - ::core::mem::ManuallyDrop::<$type_>::into_inner(ZERO_BYTES.inner) - }}; -} - -/// A wrapper to implement the `Zeroable` trait through the `const_zero` macro. -#[macro_export] -macro_rules! impl_zeroable { - ($type:ty) => { - unsafe impl $crate::zeroable::Zeroable for $type { - const ZERO: Self = unsafe { $crate::const_zero!($type) }; - } - }; + /// Return a value of Self whose memory representation consists of all + /// zeroes, with the possible exclusion of padding bytes. + const ZERO: Self = unsafe { ::core::mem::MaybeUninit::<Self>::zeroed().assume_init() }; } // bindgen does not derive Default here @@ -97,13 +25,13 @@ impl Default for crate::bindings::VMStateFlags { } } -impl_zeroable!(crate::bindings::Property__bindgen_ty_1); -impl_zeroable!(crate::bindings::Property); -impl_zeroable!(crate::bindings::VMStateFlags); -impl_zeroable!(crate::bindings::VMStateField); -impl_zeroable!(crate::bindings::VMStateDescription); -impl_zeroable!(crate::bindings::MemoryRegionOps__bindgen_ty_1); -impl_zeroable!(crate::bindings::MemoryRegionOps__bindgen_ty_2); -impl_zeroable!(crate::bindings::MemoryRegionOps); -impl_zeroable!(crate::bindings::MemTxAttrs); -impl_zeroable!(crate::bindings::CharBackend); +unsafe impl Zeroable for crate::bindings::Property__bindgen_ty_1 {} +unsafe impl Zeroable for crate::bindings::Property {} +unsafe impl Zeroable for crate::bindings::VMStateFlags {} +unsafe impl Zeroable for crate::bindings::VMStateField {} +unsafe impl Zeroable for crate::bindings::VMStateDescription {} +unsafe impl Zeroable for crate::bindings::MemoryRegionOps__bindgen_ty_1 {} +unsafe impl Zeroable for crate::bindings::MemoryRegionOps__bindgen_ty_2 {} +unsafe impl Zeroable for crate::bindings::MemoryRegionOps {} +unsafe impl Zeroable for crate::bindings::MemTxAttrs {} +unsafe impl Zeroable for crate::bindings::CharBackend {} diff --git a/rust/qemu-api/tests/tests.rs b/rust/qemu-api/tests/tests.rs index 99a7aab6fe..a658a49fcf 100644 --- a/rust/qemu-api/tests/tests.rs +++ b/rust/qemu-api/tests/tests.rs @@ -6,7 +6,6 @@ use std::{ffi::CStr, ptr::addr_of}; use qemu_api::{ bindings::{module_call_init, module_init_type, qdev_prop_bool}, - c_str, cell::{self, BqlCell}, declare_properties, define_property, prelude::*, @@ -21,12 +20,11 @@ mod vmstate_tests; // Test that macros can compile. pub static VMSTATE: VMStateDescription = VMStateDescription { - name: c_str!("name").as_ptr(), + name: c"name".as_ptr(), unmigratable: true, ..Zeroable::ZERO }; -#[derive(qemu_api_macros::offsets)] #[repr(C)] #[derive(qemu_api_macros::Object)] pub struct DummyState { @@ -49,7 +47,7 @@ impl DummyClass { declare_properties! { DUMMY_PROPERTIES, define_property!( - c_str!("migrate-clk"), + c"migrate-clk", DummyState, migrate_clock, unsafe { &qdev_prop_bool }, @@ -59,7 +57,7 @@ declare_properties! { unsafe impl ObjectType for DummyState { type Class = DummyClass; - const TYPE_NAME: &'static CStr = c_str!("dummy"); + const TYPE_NAME: &'static CStr = c"dummy"; } impl ObjectImpl for DummyState { @@ -79,7 +77,6 @@ impl DeviceImpl for DummyState { } } -#[derive(qemu_api_macros::offsets)] #[repr(C)] #[derive(qemu_api_macros::Object)] pub struct DummyChildState { @@ -94,7 +91,7 @@ pub struct DummyChildClass { unsafe impl ObjectType for DummyChildState { type Class = DummyChildClass; - const TYPE_NAME: &'static CStr = c_str!("dummy_child"); + const TYPE_NAME: &'static CStr = c"dummy_child"; } impl ObjectImpl for DummyChildState { diff --git a/rust/qemu-api/tests/vmstate_tests.rs b/rust/qemu-api/tests/vmstate_tests.rs index f7a93117e1..ad0fc5cd5d 100644 --- a/rust/qemu-api/tests/vmstate_tests.rs +++ b/rust/qemu-api/tests/vmstate_tests.rs @@ -2,14 +2,18 @@ // Author(s): Zhao Liu <zhai1.liu@intel.com> // SPDX-License-Identifier: GPL-2.0-or-later -use std::{ffi::CStr, mem::size_of, os::raw::c_void, ptr::NonNull, slice}; +use std::{ + ffi::{c_void, CStr}, + mem::size_of, + ptr::NonNull, + slice, +}; use qemu_api::{ bindings::{ vmstate_info_bool, vmstate_info_int32, vmstate_info_int64, vmstate_info_int8, vmstate_info_uint64, vmstate_info_uint8, vmstate_info_unused_buffer, VMStateFlags, }, - c_str, cell::{BqlCell, Opaque}, impl_vmstate_forward, vmstate::{VMStateDescription, VMStateField}, @@ -28,7 +32,7 @@ const FOO_ARRAY_MAX: usize = 3; // - VMSTATE_VARRAY_UINT16_UNSAFE // - VMSTATE_VARRAY_MULTIPLY #[repr(C)] -#[derive(Default, qemu_api_macros::offsets)] +#[derive(Default)] struct FooA { arr: [u8; FOO_ARRAY_MAX], num: u16, @@ -38,7 +42,7 @@ struct FooA { } static VMSTATE_FOOA: VMStateDescription = VMStateDescription { - name: c_str!("foo_a").as_ptr(), + name: c"foo_a".as_ptr(), version_id: 1, minimum_version_id: 1, fields: vmstate_fields! { @@ -149,7 +153,7 @@ fn test_vmstate_varray_multiply() { // - VMSTATE_ARRAY // - VMSTATE_STRUCT_VARRAY_UINT8 with BqlCell wrapper & test_fn #[repr(C)] -#[derive(Default, qemu_api_macros::offsets)] +#[derive(Default)] struct FooB { arr_a: [FooA; FOO_ARRAY_MAX], num_a: u8, @@ -168,7 +172,7 @@ fn validate_foob(_state: &FooB, _version_id: u8) -> bool { } static VMSTATE_FOOB: VMStateDescription = VMStateDescription { - name: c_str!("foo_b").as_ptr(), + name: c"foo_b".as_ptr(), version_id: 2, minimum_version_id: 1, fields: vmstate_fields! { @@ -324,7 +328,6 @@ struct FooCWrapper([Opaque<*mut u8>; FOO_ARRAY_MAX]); // Though Opaque<> array i impl_vmstate_forward!(FooCWrapper); #[repr(C)] -#[derive(qemu_api_macros::offsets)] struct FooC { ptr: *const i32, ptr_a: NonNull<FooA>, @@ -333,7 +336,7 @@ struct FooC { } static VMSTATE_FOOC: VMStateDescription = VMStateDescription { - name: c_str!("foo_c").as_ptr(), + name: c"foo_c".as_ptr(), version_id: 3, minimum_version_id: 1, fields: vmstate_fields! { @@ -448,13 +451,13 @@ fn validate_food_2(_state: &FooD, _version_id: u8) -> bool { } static VMSTATE_FOOD: VMStateDescription = VMStateDescription { - name: c_str!("foo_d").as_ptr(), + name: c"foo_d".as_ptr(), version_id: 3, minimum_version_id: 1, fields: vmstate_fields! { - vmstate_validate!(FooD, c_str!("foo_d_0"), FooD::validate_food_0), - vmstate_validate!(FooD, c_str!("foo_d_1"), FooD::validate_food_1), - vmstate_validate!(FooD, c_str!("foo_d_2"), validate_food_2), + vmstate_validate!(FooD, c"foo_d_0", FooD::validate_food_0), + vmstate_validate!(FooD, c"foo_d_1", FooD::validate_food_1), + vmstate_validate!(FooD, c"foo_d_2", validate_food_2), }, ..Zeroable::ZERO }; diff --git a/scripts/ci/setup/ubuntu/ubuntu-2204-aarch64.yaml b/scripts/ci/setup/ubuntu/ubuntu-2204-aarch64.yaml index dbcd2e076d..f11e980826 100644 --- a/scripts/ci/setup/ubuntu/ubuntu-2204-aarch64.yaml +++ b/scripts/ci/setup/ubuntu/ubuntu-2204-aarch64.yaml @@ -114,7 +114,7 @@ packages: - python3-venv - python3-yaml - rpm2cpio - - rustc + - rustc-1.77 - sed - socat - sparse diff --git a/scripts/ci/setup/ubuntu/ubuntu-2204-s390x.yaml b/scripts/ci/setup/ubuntu/ubuntu-2204-s390x.yaml index 4b8ee3d885..6559cb2934 100644 --- a/scripts/ci/setup/ubuntu/ubuntu-2204-s390x.yaml +++ b/scripts/ci/setup/ubuntu/ubuntu-2204-s390x.yaml @@ -112,7 +112,7 @@ packages: - python3-venv - python3-yaml - rpm2cpio - - rustc + - rustc-1.77 - sed - socat - sparse diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh index d76a239130..8a67a14e2e 100644 --- a/scripts/meson-buildoptions.sh +++ b/scripts/meson-buildoptions.sh @@ -80,7 +80,7 @@ meson_options_help() { printf "%s\n" ' --tls-priority=VALUE Default TLS protocol/cipher priority string' printf "%s\n" ' [NORMAL]' printf "%s\n" ' --with-coroutine=CHOICE coroutine backend to use (choices:' - printf "%s\n" ' auto/sigaltstack/ucontext/windows)' + printf "%s\n" ' auto/sigaltstack/ucontext/windows/wasm)' printf "%s\n" ' --with-pkgversion=VALUE use specified string as sub-version of the' printf "%s\n" ' package' printf "%s\n" ' --with-suffix=VALUE Suffix for QEMU data/modules/config directories' diff --git a/subprojects/bilge-impl-0.2-rs.wrap b/subprojects/bilge-impl-0.2-rs.wrap index d14c3dc769..4f84eca1cc 100644 --- a/subprojects/bilge-impl-0.2-rs.wrap +++ b/subprojects/bilge-impl-0.2-rs.wrap @@ -5,7 +5,6 @@ source_filename = bilge-impl-0.2.0.tar.gz source_hash = feb11e002038ad243af39c2068c8a72bcf147acf05025dcdb916fcc000adb2d8 #method = cargo patch_directory = bilge-impl-0.2-rs -diff_files = bilge-impl-1.63.0.patch # bump this version number on every change to meson.build or the patches: # v2 diff --git a/subprojects/packagefiles/bilge-impl-1.63.0.patch b/subprojects/packagefiles/bilge-impl-1.63.0.patch deleted file mode 100644 index 987428a6d6..0000000000 --- a/subprojects/packagefiles/bilge-impl-1.63.0.patch +++ /dev/null @@ -1,45 +0,0 @@ ---- a/src/shared/discriminant_assigner.rs -+++ b/src/shared/discriminant_assigner.rs -@@ -26,20 +26,20 @@ - let discriminant_expr = &discriminant.1; - let variant_name = &variant.ident; - -- let Expr::Lit(ExprLit { lit: Lit::Int(int), .. }) = discriminant_expr else { -+ if let Expr::Lit(ExprLit { lit: Lit::Int(int), .. }) = discriminant_expr { -+ let discriminant_value: u128 = int.base10_parse().unwrap_or_else(unreachable); -+ if discriminant_value > self.max_value() { -+ abort!(variant, "Value of variant exceeds the given number of bits") -+ } -+ -+ Some(discriminant_value) -+ } else { - abort!( - discriminant_expr, - "variant `{}` is not a number", variant_name; - help = "only literal integers currently supported" - ) -- }; -- -- let discriminant_value: u128 = int.base10_parse().unwrap_or_else(unreachable); -- if discriminant_value > self.max_value() { -- abort!(variant, "Value of variant exceeds the given number of bits") - } -- -- Some(discriminant_value) - } - - fn assign(&mut self, variant: &Variant) -> u128 { ---- a/src/shared/fallback.rs -+++ b/src/shared/fallback.rs -@@ -22,8 +22,9 @@ - } - Unnamed(fields) => { - let variant_fields = fields.unnamed.iter(); -- let Ok(fallback_value) = variant_fields.exactly_one() else { -- abort!(variant, "fallback variant must have exactly one field"; help = "use only one field or change to a unit variant") -+ let fallback_value = match variant_fields.exactly_one() { -+ Ok(ok) => ok, -+ _ => abort!(variant, "fallback variant must have exactly one field"; help = "use only one field or change to a unit variant") - }; - - if !is_last_variant { diff --git a/system/memory.c b/system/memory.c index 71434e7ad0..63b983efcd 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1627,7 +1627,7 @@ bool memory_region_init_resizeable_ram(MemoryRegion *mr, return true; } -#ifdef CONFIG_POSIX +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) bool memory_region_init_ram_from_file(MemoryRegion *mr, Object *owner, const char *name, diff --git a/system/physmem.c b/system/physmem.c index 3f4fd69d9a..a8a9ca309e 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -1264,7 +1264,7 @@ long qemu_maxrampagesize(void) return pagesize; } -#ifdef CONFIG_POSIX +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) static int64_t get_file_size(int fd) { int64_t size; @@ -1999,7 +1999,7 @@ out_free: } } -#ifdef CONFIG_POSIX +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, ram_addr_t max_size, qemu_ram_resize_cb resized, MemoryRegion *mr, uint32_t ram_flags, int fd, off_t offset, @@ -2179,7 +2179,8 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, assert(!host ^ (ram_flags & RAM_PREALLOC)); assert(max_size >= size); -#ifdef CONFIG_POSIX /* ignore RAM_SHARED for Windows */ + /* ignore RAM_SHARED for Windows and emscripten*/ +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) if (!host) { if (!share_flags && current_machine->aux_ram_share) { ram_flags |= RAM_SHARED; @@ -2276,7 +2277,7 @@ static void reclaim_ramblock(RAMBlock *block) ; } else if (xen_enabled()) { xen_invalidate_map_cache_entry(block->host); -#ifndef _WIN32 +#if !defined(_WIN32) && !defined(EMSCRIPTEN) } else if (block->fd >= 0) { qemu_ram_munmap(block->fd, block->host, block->max_length); close(block->fd); diff --git a/system/vl.c b/system/vl.c index 7223f1ff17..fd402b8ff8 100644 --- a/system/vl.c +++ b/system/vl.c @@ -768,7 +768,7 @@ static QemuOptsList qemu_smp_opts = { }, }; -#if defined(CONFIG_POSIX) +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) static QemuOptsList qemu_run_with_opts = { .name = "run-with", .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head), @@ -3679,7 +3679,7 @@ void qemu_init(int argc, char **argv) case QEMU_OPTION_nouserconfig: /* Nothing to be parsed here. Especially, do not error out below. */ break; -#if defined(CONFIG_POSIX) +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) case QEMU_OPTION_daemonize: os_set_daemonize(true); break; diff --git a/target/alpha/machine.c b/target/alpha/machine.c index f09834f635..5f302b166d 100644 --- a/target/alpha/machine.c +++ b/target/alpha/machine.c @@ -74,7 +74,7 @@ static const VMStateDescription vmstate_env = { }; static const VMStateField vmstate_cpu_fields[] = { - VMSTATE_CPU(), + VMSTATE_STRUCT(parent_obj, AlphaCPU, 0, vmstate_cpu_common, CPUState), VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState), VMSTATE_END_OF_LIST() }; diff --git a/target/arm/helper.c b/target/arm/helper.c index 360e6ac0f5..4a2d1ecbfe 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -222,7 +222,7 @@ static void count_cpreg(gpointer key, gpointer opaque) } } -static gint cpreg_key_compare(gconstpointer a, gconstpointer b) +static gint cpreg_key_compare(gconstpointer a, gconstpointer b, gpointer d) { uint64_t aidx = cpreg_to_kvm_id((uintptr_t)a); uint64_t bidx = cpreg_to_kvm_id((uintptr_t)b); @@ -246,7 +246,7 @@ void init_cpreg_list(ARMCPU *cpu) int arraylen; keys = g_hash_table_get_keys(cpu->cp_regs); - keys = g_list_sort(keys, cpreg_key_compare); + keys = g_list_sort_with_data(keys, cpreg_key_compare, NULL); cpu->cpreg_array_len = 0; diff --git a/target/hppa/machine.c b/target/hppa/machine.c index bb47a2e689..13e555151a 100644 --- a/target/hppa/machine.c +++ b/target/hppa/machine.c @@ -216,7 +216,7 @@ static const VMStateDescription vmstate_env = { }; static const VMStateField vmstate_cpu_fields[] = { - VMSTATE_CPU(), + VMSTATE_STRUCT(parent_obj, HPPACPU, 0, vmstate_cpu_common, CPUState), VMSTATE_STRUCT(env, HPPACPU, 1, vmstate_env, CPUHPPAState), VMSTATE_END_OF_LIST() }; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6f21d5ed22..1ca6307c72 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6240,7 +6240,7 @@ static void listflags(GList *features) } /* Sort alphabetically by type name, respecting X86CPUClass::ordering. */ -static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b) +static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b, gpointer d) { ObjectClass *class_a = (ObjectClass *)a; ObjectClass *class_b = (ObjectClass *)b; @@ -6261,7 +6261,7 @@ static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b) static GSList *get_sorted_cpu_model_list(void) { GSList *list = object_class_get_list(TYPE_X86_CPU, false); - list = g_slist_sort(list, x86_cpu_list_compare); + list = g_slist_sort_with_data(list, x86_cpu_list_compare, NULL); return list; } @@ -6318,6 +6318,11 @@ static void x86_cpu_list_entry(gpointer data, gpointer user_data) qemu_printf(" %-20s %s\n", name, desc); } +static gint strcmp_wrap(gconstpointer a, gconstpointer b, gpointer d) +{ + return strcmp(a, b); +} + /* list available CPU models and flags */ static void x86_cpu_list(void) { @@ -6340,7 +6345,7 @@ static void x86_cpu_list(void) } } - names = g_list_sort(names, (GCompareFunc)strcmp); + names = g_list_sort_with_data(names, strcmp_wrap, NULL); qemu_printf("\nRecognized CPUID flags:\n"); listflags(names); diff --git a/target/i386/emulate/x86_decode.c b/target/i386/emulate/x86_decode.c index 7efa2f570e..88be9479a8 100644 --- a/target/i386/emulate/x86_decode.c +++ b/target/i386/emulate/x86_decode.c @@ -26,7 +26,7 @@ static void decode_invalid(CPUX86State *env, struct x86_decode *decode) { - printf("%llx: failed to decode instruction ", env->eip); + printf(TARGET_FMT_lx ": failed to decode instruction ", env->eip); for (int i = 0; i < decode->opcode_len; i++) { printf("%x ", decode->opcode[i]); } diff --git a/target/i386/emulate/x86_emu.c b/target/i386/emulate/x86_emu.c index 26a4876aac..7773b51b95 100644 --- a/target/i386/emulate/x86_emu.c +++ b/target/i386/emulate/x86_emu.c @@ -1241,7 +1241,7 @@ static void init_cmd_handler(void) bool exec_instruction(CPUX86State *env, struct x86_decode *ins) { if (!_cmd_handler[ins->cmd].handler) { - printf("Unimplemented handler (%llx) for %d (%x %x) \n", env->eip, + printf("Unimplemented handler (" TARGET_FMT_lx ") for %d (%x %x) \n", env->eip, ins->cmd, ins->opcode[0], ins->opcode_len > 1 ? ins->opcode[1] : 0); env->eip += ins->len; diff --git a/target/microblaze/machine.c b/target/microblaze/machine.c index 51705e4f5c..a4cf38dc89 100644 --- a/target/microblaze/machine.c +++ b/target/microblaze/machine.c @@ -93,7 +93,7 @@ static const VMStateDescription vmstate_env = { }; static const VMStateField vmstate_cpu_fields[] = { - VMSTATE_CPU(), + VMSTATE_STRUCT(parent_obj, MicroBlazeCPU, 0, vmstate_cpu_common, CPUState), VMSTATE_STRUCT(env, MicroBlazeCPU, 1, vmstate_env, CPUMBState), VMSTATE_END_OF_LIST() }; diff --git a/target/openrisc/machine.c b/target/openrisc/machine.c index 3574e571cb..081c706d02 100644 --- a/target/openrisc/machine.c +++ b/target/openrisc/machine.c @@ -136,7 +136,7 @@ const VMStateDescription vmstate_openrisc_cpu = { .minimum_version_id = 1, .post_load = cpu_post_load, .fields = (const VMStateField[]) { - VMSTATE_CPU(), + VMSTATE_STRUCT(parent_obj, OpenRISCCPU, 0, vmstate_cpu_common, CPUState), VMSTATE_STRUCT(env, OpenRISCCPU, 1, vmstate_env, CPUOpenRISCState), VMSTATE_END_OF_LIST() } diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index cf88a18244..9642812a71 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -7114,7 +7114,7 @@ PowerPCCPUClass *ppc_cpu_get_family_class(PowerPCCPUClass *pcc) } /* Sort by PVR, ordering special case "host" last. */ -static gint ppc_cpu_list_compare(gconstpointer a, gconstpointer b) +static gint ppc_cpu_list_compare(gconstpointer a, gconstpointer b, gpointer d) { ObjectClass *oc_a = (ObjectClass *)a; ObjectClass *oc_b = (ObjectClass *)b; @@ -7182,7 +7182,7 @@ static void ppc_cpu_list(void) qemu_printf("Available CPUs:\n"); list = object_class_get_list(TYPE_POWERPC_CPU, false); - list = g_slist_sort(list, ppc_cpu_list_compare); + list = g_slist_sort_with_data(list, ppc_cpu_list_compare, NULL); g_slist_foreach(list, ppc_cpu_list_entry, NULL); g_slist_free(list); diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 8951f1b36f..954a7a99a9 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -373,7 +373,7 @@ static void s390_print_cpu_model_list_entry(gpointer data, gpointer user_data) g_free(name); } -static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b) +static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b, gpointer d) { const S390CPUClass *cc_a = S390_CPU_CLASS((ObjectClass *)a); const S390CPUClass *cc_b = S390_CPU_CLASS((ObjectClass *)b); @@ -415,7 +415,7 @@ void s390_cpu_list(void) qemu_printf("Available CPUs:\n"); list = object_class_get_list(TYPE_S390_CPU, false); - list = g_slist_sort(list, s390_cpu_list_compare); + list = g_slist_sort_with_data(list, s390_cpu_list_compare, NULL); g_slist_foreach(list, s390_print_cpu_model_list_entry, NULL); g_slist_free(list); diff --git a/tests/docker/dockerfiles/debian-amd64-cross.docker b/tests/docker/dockerfiles/debian-amd64-cross.docker index 0535585428..081f3e00f7 100644 --- a/tests/docker/dockerfiles/debian-amd64-cross.docker +++ b/tests/docker/dockerfiles/debian-amd64-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-arm64-cross.docker b/tests/docker/dockerfiles/debian-arm64-cross.docker index 6b1e4fc827..91c555a36e 100644 --- a/tests/docker/dockerfiles/debian-arm64-cross.docker +++ b/tests/docker/dockerfiles/debian-arm64-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-armhf-cross.docker b/tests/docker/dockerfiles/debian-armhf-cross.docker index cf0fe63af9..f0e2efcda0 100644 --- a/tests/docker/dockerfiles/debian-armhf-cross.docker +++ b/tests/docker/dockerfiles/debian-armhf-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-i686-cross.docker b/tests/docker/dockerfiles/debian-i686-cross.docker index 1c84dfb945..025beb1ce2 100644 --- a/tests/docker/dockerfiles/debian-i686-cross.docker +++ b/tests/docker/dockerfiles/debian-i686-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-mips64el-cross.docker b/tests/docker/dockerfiles/debian-mips64el-cross.docker index 257204eae4..4a941dd870 100644 --- a/tests/docker/dockerfiles/debian-mips64el-cross.docker +++ b/tests/docker/dockerfiles/debian-mips64el-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-mipsel-cross.docker b/tests/docker/dockerfiles/debian-mipsel-cross.docker index 395c84d65b..4d3e5d711b 100644 --- a/tests/docker/dockerfiles/debian-mipsel-cross.docker +++ b/tests/docker/dockerfiles/debian-mipsel-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-ppc64el-cross.docker b/tests/docker/dockerfiles/debian-ppc64el-cross.docker index 1ae227ccde..22b4457ba9 100644 --- a/tests/docker/dockerfiles/debian-ppc64el-cross.docker +++ b/tests/docker/dockerfiles/debian-ppc64el-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian-s390x-cross.docker b/tests/docker/dockerfiles/debian-s390x-cross.docker index afa81a57ba..13ec52c8ad 100644 --- a/tests/docker/dockerfiles/debian-s390x-cross.docker +++ b/tests/docker/dockerfiles/debian-s390x-cross.docker @@ -50,7 +50,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/debian.docker b/tests/docker/dockerfiles/debian.docker index 5b3bac43cc..0a57c1a1d3 100644 --- a/tests/docker/dockerfiles/debian.docker +++ b/tests/docker/dockerfiles/debian.docker @@ -122,7 +122,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-web \ sed \ socat \ sparse \ diff --git a/tests/docker/dockerfiles/emsdk-wasm32-cross.docker b/tests/docker/dockerfiles/emsdk-wasm32-cross.docker new file mode 100644 index 0000000000..60a7d02f56 --- /dev/null +++ b/tests/docker/dockerfiles/emsdk-wasm32-cross.docker @@ -0,0 +1,145 @@ +# syntax = docker/dockerfile:1.5 + +ARG EMSDK_VERSION_QEMU=3.1.50 +ARG ZLIB_VERSION=1.3.1 +ARG GLIB_MINOR_VERSION=2.84 +ARG GLIB_VERSION=${GLIB_MINOR_VERSION}.0 +ARG PIXMAN_VERSION=0.44.2 +ARG FFI_VERSION=v3.4.7 +ARG MESON_VERSION=1.5.0 + +FROM emscripten/emsdk:$EMSDK_VERSION_QEMU AS build-base +ARG MESON_VERSION +ENV TARGET=/builddeps/target +ENV CPATH="$TARGET/include" +ENV PKG_CONFIG_PATH="$TARGET/lib/pkgconfig" +ENV EM_PKG_CONFIG_PATH="$PKG_CONFIG_PATH" +ENV CFLAGS="-O3 -pthread -DWASM_BIGINT" +ENV CXXFLAGS="$CFLAGS" +ENV LDFLAGS="-sWASM_BIGINT -sASYNCIFY=1 -L$TARGET/lib" +RUN apt-get update && apt-get install -y \ + autoconf \ + build-essential \ + libglib2.0-dev \ + libtool \ + pkgconf \ + ninja-build \ + python3-pip +RUN pip3 install meson==${MESON_VERSION} tomli +RUN mkdir /build +WORKDIR /build +RUN mkdir -p $TARGET +RUN <<EOF +cat <<EOT > /cross.meson +[host_machine] +system = 'emscripten' +cpu_family = 'wasm32' +cpu = 'wasm32' +endian = 'little' + +[binaries] +c = 'emcc' +cpp = 'em++' +ar = 'emar' +ranlib = 'emranlib' +pkgconfig = ['pkg-config', '--static'] +EOT +EOF + +FROM build-base AS zlib-dev +ARG ZLIB_VERSION +RUN mkdir -p /zlib +RUN curl -Ls https://zlib.net/zlib-$ZLIB_VERSION.tar.xz | \ + tar xJC /zlib --strip-components=1 +WORKDIR /zlib +RUN emconfigure ./configure --prefix=$TARGET --static +RUN emmake make install -j$(nproc) + +FROM build-base AS libffi-dev +ARG FFI_VERSION +RUN mkdir -p /libffi +RUN git clone https://github.com/libffi/libffi /libffi +WORKDIR /libffi +RUN git checkout $FFI_VERSION +RUN autoreconf -fiv +RUN emconfigure ./configure --host=wasm32-unknown-linux \ + --prefix=$TARGET --enable-static \ + --disable-shared --disable-dependency-tracking \ + --disable-builddir --disable-multi-os-directory \ + --disable-raw-api --disable-docs +RUN emmake make install SUBDIRS='include' -j$(nproc) + +FROM build-base AS pixman-dev +ARG PIXMAN_VERSION +RUN mkdir /pixman/ +RUN git clone https://gitlab.freedesktop.org/pixman/pixman /pixman/ +WORKDIR /pixman +RUN git checkout pixman-$PIXMAN_VERSION +RUN <<EOF +cat <<EOT >> /cross.meson +[built-in options] +c_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +cpp_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +objc_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +c_link_args = [$(printf "'%s', " $LDFLAGS | sed 's/, $//')] +cpp_link_args = [$(printf "'%s', " $LDFLAGS | sed 's/, $//')] +EOT +EOF +RUN meson setup _build --prefix=$TARGET --cross-file=/cross.meson \ + --default-library=static \ + --buildtype=release -Dtests=disabled -Ddemos=disabled +RUN meson install -C _build + +FROM build-base AS glib-dev +ARG GLIB_VERSION +ARG GLIB_MINOR_VERSION +RUN mkdir -p /stub +WORKDIR /stub +RUN <<EOF +cat <<'EOT' > res_query.c +#include <netdb.h> +int res_query(const char *name, int class, + int type, unsigned char *dest, int len) +{ + h_errno = HOST_NOT_FOUND; + return -1; +} +EOT +EOF +RUN emcc ${CFLAGS} -c res_query.c -fPIC -o libresolv.o +RUN ar rcs libresolv.a libresolv.o +RUN mkdir -p $TARGET/lib/ +RUN cp libresolv.a $TARGET/lib/ + +RUN mkdir -p /glib +RUN curl -Lks https://download.gnome.org/sources/glib/${GLIB_MINOR_VERSION}/glib-$GLIB_VERSION.tar.xz | \ + tar xJC /glib --strip-components=1 + +COPY --link --from=zlib-dev /builddeps/ /builddeps/ +COPY --link --from=libffi-dev /builddeps/ /builddeps/ + +WORKDIR /glib +RUN <<EOF +CFLAGS="$CFLAGS -Wno-incompatible-function-pointer-types" ; +cat <<EOT >> /cross.meson +[built-in options] +c_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +cpp_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +objc_args = [$(printf "'%s', " $CFLAGS | sed 's/, $//')] +c_link_args = [$(printf "'%s', " $LDFLAGS | sed 's/, $//')] +cpp_link_args = [$(printf "'%s', " $LDFLAGS | sed 's/, $//')] +EOT +EOF +RUN meson setup _build --prefix=$TARGET --cross-file=/cross.meson \ + --default-library=static --buildtype=release --force-fallback-for=pcre2 \ + -Dselinux=disabled -Dxattr=false -Dlibmount=disabled -Dnls=disabled \ + -Dtests=false -Dglib_debug=disabled -Dglib_assert=false -Dglib_checks=false +# FIXME: emscripten doesn't provide some pthread functions in the final link, +# which isn't detected during meson setup. +RUN sed -i -E "/#define HAVE_POSIX_SPAWN 1/d" ./_build/config.h +RUN sed -i -E "/#define HAVE_PTHREAD_GETNAME_NP 1/d" ./_build/config.h +RUN meson install -C _build + +FROM build-base +COPY --link --from=glib-dev /builddeps/ /builddeps/ +COPY --link --from=pixman-dev /builddeps/ /builddeps/ diff --git a/tests/docker/dockerfiles/ubuntu2204.docker b/tests/docker/dockerfiles/ubuntu2204.docker index 88ce4ef9a9..4a1cf2bdff 100644 --- a/tests/docker/dockerfiles/ubuntu2204.docker +++ b/tests/docker/dockerfiles/ubuntu2204.docker @@ -121,7 +121,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \ python3-venv \ python3-yaml \ rpm2cpio \ - rustc \ + rustc-1.77 \ sed \ socat \ sparse \ @@ -150,6 +150,7 @@ ENV LANG "en_US.UTF-8" ENV MAKE "/usr/bin/make" ENV NINJA "/usr/bin/ninja" ENV PYTHON "/usr/bin/python3" +ENV RUSTC=/usr/bin/rustc-1.77 ENV CARGO_HOME=/usr/local/cargo ENV PATH=$CARGO_HOME/bin:$PATH RUN DEBIAN_FRONTEND=noninteractive eatmydata \ diff --git a/tests/functional/test_hppa_seabios.py b/tests/functional/test_hppa_seabios.py index a44d1a3eeb..661b2464e1 100755 --- a/tests/functional/test_hppa_seabios.py +++ b/tests/functional/test_hppa_seabios.py @@ -17,9 +17,9 @@ class HppaSeabios(QemuSystemTest): def boot_seabios(self): mach = self.machine bits = self.MACH_BITS[mach] + self.vm.add_args('-no-shutdown') self.vm.set_console() self.vm.launch() - self.machine wait_for_console_pattern(self, f'SeaBIOS PA-RISC {bits}-bit Firmware') wait_for_console_pattern(self, f'Emulated machine: HP {mach} ({bits}-bit') diff --git a/tests/lcitool/mappings.yml b/tests/lcitool/mappings.yml index 74eb13d62b..673baf3936 100644 --- a/tests/lcitool/mappings.yml +++ b/tests/lcitool/mappings.yml @@ -64,6 +64,11 @@ mappings: python3-wheel: OpenSUSELeap15: python311-pip + rust: + Debian12: rustc-web + Ubuntu2204: rustc-1.77 + Ubuntu2404: rustc-1.77 + pypi_mappings: # Request more recent version meson: diff --git a/tests/lcitool/refresh b/tests/lcitool/refresh index aa551aca9b..8474ea822f 100755 --- a/tests/lcitool/refresh +++ b/tests/lcitool/refresh @@ -141,7 +141,8 @@ fedora_rustup_nightly_extras = [ 'RUN $CARGO --list\n', ] -ubuntu2204_bindgen_extras = [ +ubuntu2204_rust_extras = [ + "ENV RUSTC=/usr/bin/rustc-1.77\n", "ENV CARGO_HOME=/usr/local/cargo\n", 'ENV PATH=$CARGO_HOME/bin:$PATH\n', "RUN DEBIAN_FRONTEND=noninteractive eatmydata \\\n", @@ -170,7 +171,7 @@ try: generate_dockerfile("fedora", "fedora-40") generate_dockerfile("opensuse-leap", "opensuse-leap-15") generate_dockerfile("ubuntu2204", "ubuntu-2204", - trailer="".join(ubuntu2204_bindgen_extras)) + trailer="".join(ubuntu2204_rust_extras)) # # Non-fatal Rust-enabled build diff --git a/ui/dbus-display1.xml b/ui/dbus-display1.xml index 72deefa455..4a41a7e0f3 100644 --- a/ui/dbus-display1.xml +++ b/ui/dbus-display1.xml @@ -615,6 +615,51 @@ </interface> <!-- + org.qemu.Display1.Listener.Unix.ScanoutDMABUF2: + + This optional client-side interface can complement + org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for + Unix-specific DMABUF scanout setup which support multi plane. + --> + <?if $(env.HOST_OS) != windows?> + <interface name="org.qemu.Display1.Listener.Unix.ScanoutDMABUF2"> + <!-- + ScanoutDMABUF2: + @dmabuf: DMABUF file descriptor of each plane. + @x: display x offset, in pixels + @y: display y offset, in pixels + @width: display width, in pixels. + @height: display height, in pixels. + @offset: offset of each plane, in bytes. + @stride: stride of each plane, in bytes. + @num_planes: plane number. + @fourcc: DMABUF fourcc. + @backing_width: backing framebuffer width, in pixels + @backing_height: backing framebuffer height, in pixels + @modifier: DMABUF modifier. + @y0_top: whether Y position 0 is the top or not. + + Resize and update the display content with DMABUF. + --> + <method name="ScanoutDMABUF2"> + <arg type="ah" name="dmabuf" direction="in"/> + <arg type="u" name="x" direction="in"/> + <arg type="u" name="y" direction="in"/> + <arg type="u" name="width" direction="in"/> + <arg type="u" name="height" direction="in"/> + <arg type="au" name="offset" direction="in"/> + <arg type="au" name="stride" direction="in"/> + <arg type="u" name="num_planes" direction="in"/> + <arg type="u" name="fourcc" direction="in"/> + <arg type="u" name="backing_width" direction="in"/> + <arg type="u" name="backing_height" direction="in"/> + <arg type="t" name="modifier" direction="in"/> + <arg type="b" name="y0_top" direction="in"/> + </method> + </interface> + <?endif?> + + <!-- org.qemu.Display1.Clipboard: This interface must be implemented by both the client and the server on diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c index 51244c9240..42875b8eed 100644 --- a/ui/dbus-listener.c +++ b/ui/dbus-listener.c @@ -85,6 +85,7 @@ struct _DBusDisplayListener { #endif #else /* !WIN32 */ QemuDBusDisplay1ListenerUnixMap *map_proxy; + QemuDBusDisplay1ListenerUnixScanoutDMABUF2 *scanout_dmabuf_v2_proxy; #endif guint dbus_filter; @@ -288,10 +289,9 @@ static void dbus_call_update_gl(DisplayChangeListener *dcl, } #ifdef CONFIG_GBM -static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, - QemuDmaBuf *dmabuf) +static void dbus_scanout_dmabuf_v1(DBusDisplayListener *ddl, + QemuDmaBuf *dmabuf) { - DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); g_autoptr(GError) err = NULL; g_autoptr(GUnixFDList) fd_list = NULL; int fd; @@ -299,7 +299,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, uint64_t modifier; bool y0_top; - fd = qemu_dmabuf_get_fd(dmabuf); + fd = qemu_dmabuf_get_fds(dmabuf, NULL)[0]; fd_list = g_unix_fd_list_new(); if (g_unix_fd_list_append(fd_list, fd, &err) != 0) { error_report("Failed to setup dmabuf fdlist: %s", err->message); @@ -310,7 +310,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, width = qemu_dmabuf_get_width(dmabuf); height = qemu_dmabuf_get_height(dmabuf); - stride = qemu_dmabuf_get_stride(dmabuf); + stride = qemu_dmabuf_get_strides(dmabuf, NULL)[0]; fourcc = qemu_dmabuf_get_fourcc(dmabuf); modifier = qemu_dmabuf_get_modifier(dmabuf); y0_top = qemu_dmabuf_get_y0_top(dmabuf); @@ -322,6 +322,87 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, y0_top, G_DBUS_CALL_FLAGS_NONE, -1, fd_list, NULL, NULL, NULL); } + +static void dbus_scanout_dmabuf_v2(DBusDisplayListener *ddl, + QemuDmaBuf *dmabuf) +{ + g_autoptr(GError) err = NULL; + g_autoptr(GUnixFDList) fd_list = NULL; + int i, fd_index[DMABUF_MAX_PLANES], num_fds; + uint32_t x, y, width, height, fourcc, backing_width, backing_height; + GVariant *fd, *offset, *stride, *fd_handles[DMABUF_MAX_PLANES]; + uint64_t modifier; + bool y0_top; + int nfds, noffsets, nstrides; + const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds); + const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); + const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); + uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); + + assert(nfds >= num_planes); + assert(noffsets >= num_planes); + assert(nstrides >= num_planes); + + fd_list = g_unix_fd_list_new(); + + for (num_fds = 0; num_fds < num_planes; num_fds++) { + int plane_fd = fds[num_fds]; + + if (plane_fd < 0) { + break; + } + + fd_index[num_fds] = g_unix_fd_list_append(fd_list, plane_fd, &err); + if (fd_index[num_fds] < 0) { + error_report("Failed to setup dmabuf fdlist: %s", err->message); + return; + } + } + + ddl_discard_display_messages(ddl); + + x = qemu_dmabuf_get_x(dmabuf); + y = qemu_dmabuf_get_y(dmabuf); + width = qemu_dmabuf_get_width(dmabuf); + height = qemu_dmabuf_get_height(dmabuf); + fourcc = qemu_dmabuf_get_fourcc(dmabuf); + backing_width = qemu_dmabuf_get_backing_width(dmabuf); + backing_height = qemu_dmabuf_get_backing_height(dmabuf); + modifier = qemu_dmabuf_get_modifier(dmabuf); + y0_top = qemu_dmabuf_get_y0_top(dmabuf); + + offset = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + offsets, num_planes, sizeof(uint32_t)); + stride = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + strides, num_planes, sizeof(uint32_t)); + + for (i = 0; i < num_fds; i++) { + fd_handles[i] = g_variant_new_handle(fd_index[i]); + } + fd = g_variant_new_array(G_VARIANT_TYPE_HANDLE, fd_handles, num_fds); + + qemu_dbus_display1_listener_unix_scanout_dmabuf2_call_scanout_dmabuf2( + ddl->scanout_dmabuf_v2_proxy, fd, x, y, width, height, offset, stride, + num_planes, fourcc, backing_width, backing_height, modifier, y0_top, + G_DBUS_CALL_FLAGS_NONE, -1, fd_list, NULL, NULL, NULL); +} + +static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf) +{ + DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl); + + if (ddl->scanout_dmabuf_v2_proxy) { + dbus_scanout_dmabuf_v2(ddl, dmabuf); + } else { + if (qemu_dmabuf_get_num_planes(dmabuf) > 1) { + g_debug("org.qemu.Display1.Listener.ScanoutDMABUF " + "does not support mutli plane"); + return; + } + dbus_scanout_dmabuf_v1(ddl, dmabuf); + } +} #endif /* GBM */ #endif /* OPENGL */ @@ -504,19 +585,18 @@ static void dbus_scanout_texture(DisplayChangeListener *dcl, backing_width, backing_height, x, y, w, h); #ifdef CONFIG_GBM g_autoptr(QemuDmaBuf) dmabuf = NULL; - int fd; - uint32_t stride, fourcc; + int fd[DMABUF_MAX_PLANES], num_planes; + uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc; uint64_t modifier; assert(tex_id); - fd = egl_get_fd_for_texture(tex_id, (EGLint *)&stride, (EGLint *)&fourcc, - &modifier); - if (fd < 0) { - error_report("%s: failed to get fd for texture", __func__); + if (!egl_dmabuf_export_texture(tex_id, fd, (EGLint *)offset, (EGLint *)stride, + (EGLint *)&fourcc, &num_planes, &modifier)) { + error_report("%s: failed to export dmabuf for texture", __func__); return; } - dmabuf = qemu_dmabuf_new(w, h, stride, x, y, backing_width, - backing_height, fourcc, modifier, fd, + dmabuf = qemu_dmabuf_new(w, h, offset, stride, x, y, backing_width, + backing_height, fourcc, modifier, fd, num_planes, false, backing_y_0_top); dbus_scanout_dmabuf(dcl, dmabuf); @@ -883,6 +963,8 @@ dbus_display_listener_dispose(GObject *object) #ifdef CONFIG_OPENGL egl_fb_destroy(&ddl->fb); #endif +#else /* !WIN32 */ + g_clear_object(&ddl->scanout_dmabuf_v2_proxy); #endif G_OBJECT_CLASS(dbus_display_listener_parent_class)->dispose(object); @@ -1071,6 +1153,26 @@ dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl) #endif } +static void dbus_display_listener_setup_scanout_dmabuf_v2(DBusDisplayListener *ddl) +{ +#ifndef WIN32 + g_autoptr(GError) err = NULL; + + if (!dbus_display_listener_implements( + ddl, "org.qemu.Display1.Listener.Unix.ScanoutDMABUF2")) { + return; + } + ddl->scanout_dmabuf_v2_proxy = + qemu_dbus_display1_listener_unix_scanout_dmabuf2_proxy_new_sync( + ddl->conn, G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, NULL, + "/org/qemu/Display1/Listener", NULL, &err); + if (!ddl->scanout_dmabuf_v2_proxy) { + g_debug("Failed to setup Unix scanout dmabuf v2 proxy: %s", err->message); + return; + } +#endif +} + static GDBusMessage * dbus_filter(GDBusConnection *connection, GDBusMessage *message, @@ -1159,6 +1261,7 @@ dbus_display_listener_new(const char *bus_name, dbus_display_listener_setup_shared_map(ddl); trace_dbus_can_share_map(ddl->can_share_map); dbus_display_listener_setup_d3d11(ddl); + dbus_display_listener_setup_scanout_dmabuf_v2(ddl); con = qemu_console_lookup_by_index(dbus_display_console_get_index(console)); assert(con); diff --git a/ui/dmabuf.c b/ui/dmabuf.c index df7a09703f..7433a268f0 100644 --- a/ui/dmabuf.c +++ b/ui/dmabuf.c @@ -11,10 +11,12 @@ #include "ui/dmabuf.h" struct QemuDmaBuf { - int fd; + int fd[DMABUF_MAX_PLANES]; uint32_t width; uint32_t height; - uint32_t stride; + uint32_t offset[DMABUF_MAX_PLANES]; + uint32_t stride[DMABUF_MAX_PLANES]; + uint32_t num_planes; uint32_t fourcc; uint64_t modifier; uint32_t texture; @@ -30,28 +32,33 @@ struct QemuDmaBuf { }; QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height, - uint32_t stride, uint32_t x, - uint32_t y, uint32_t backing_width, - uint32_t backing_height, uint32_t fourcc, - uint64_t modifier, int32_t dmabuf_fd, + const uint32_t *offset, const uint32_t *stride, + uint32_t x, uint32_t y, + uint32_t backing_width, uint32_t backing_height, + uint32_t fourcc, uint64_t modifier, + const int32_t *dmabuf_fd, uint32_t num_planes, bool allow_fences, bool y0_top) { QemuDmaBuf *dmabuf; + assert(num_planes > 0 && num_planes <= DMABUF_MAX_PLANES); + dmabuf = g_new0(QemuDmaBuf, 1); dmabuf->width = width; dmabuf->height = height; - dmabuf->stride = stride; + memcpy(dmabuf->offset, offset, num_planes * sizeof(*offset)); + memcpy(dmabuf->stride, stride, num_planes * sizeof(*stride)); dmabuf->x = x; dmabuf->y = y; dmabuf->backing_width = backing_width; dmabuf->backing_height = backing_height; dmabuf->fourcc = fourcc; dmabuf->modifier = modifier; - dmabuf->fd = dmabuf_fd; + memcpy(dmabuf->fd, dmabuf_fd, num_planes * sizeof(*dmabuf_fd)); dmabuf->allow_fences = allow_fences; dmabuf->y0_top = y0_top; dmabuf->fence_fd = -1; + dmabuf->num_planes = num_planes; return dmabuf; } @@ -65,31 +72,40 @@ void qemu_dmabuf_free(QemuDmaBuf *dmabuf) g_free(dmabuf); } -int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf) +const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds) { assert(dmabuf != NULL); + if (nfds) { + *nfds = ARRAY_SIZE(dmabuf->fd); + } + return dmabuf->fd; } -int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf) +void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds) { + int i; + assert(dmabuf != NULL); + assert(nfds >= dmabuf->num_planes); - if (dmabuf->fd >= 0) { - return dup(dmabuf->fd); - } else { - return -1; + for (i = 0; i < dmabuf->num_planes; i++) { + fds[i] = dmabuf->fd[i] >= 0 ? dup(dmabuf->fd[i]) : -1; } } void qemu_dmabuf_close(QemuDmaBuf *dmabuf) { + int i; + assert(dmabuf != NULL); - if (dmabuf->fd >= 0) { - close(dmabuf->fd); - dmabuf->fd = -1; + for (i = 0; i < dmabuf->num_planes; i++) { + if (dmabuf->fd[i] >= 0) { + close(dmabuf->fd[i]); + dmabuf->fd[i] = -1; + } } } @@ -107,13 +123,35 @@ uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf) return dmabuf->height; } -uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf) +const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets) +{ + assert(dmabuf != NULL); + + if (noffsets) { + *noffsets = ARRAY_SIZE(dmabuf->offset); + } + + return dmabuf->offset; +} + +const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides) { assert(dmabuf != NULL); + if (nstrides) { + *nstrides = ARRAY_SIZE(dmabuf->stride); + } + return dmabuf->stride; } +uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf) +{ + assert(dmabuf != NULL); + + return dmabuf->num_planes; +} + uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf) { assert(dmabuf != NULL); @@ -221,9 +259,3 @@ void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted) assert(dmabuf != NULL); dmabuf->draw_submitted = draw_submitted; } - -void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd) -{ - assert(dmabuf != NULL); - dmabuf->fd = fd; -} diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index d591159480..9cda2bbbee 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -23,6 +23,7 @@ #include "system/system.h" #include "qapi/error.h" #include "trace.h" +#include "standard-headers/drm/drm_fourcc.h" EGLDisplay *qemu_egl_display; EGLConfig qemu_egl_config; @@ -257,6 +258,11 @@ int egl_rendernode_init(const char *rendernode, DisplayGLMode mode) error_report("egl: EGL_MESA_image_dma_buf_export not supported"); goto err; } + if (!epoxy_has_egl_extension(qemu_egl_display, + "EGL_EXT_image_dma_buf_import_modifiers")) { + error_report("egl: EGL_EXT_image_dma_buf_import_modifiers not supported"); + goto err; + } qemu_egl_rn_ctx = qemu_egl_init_ctx(); if (!qemu_egl_rn_ctx) { @@ -277,44 +283,86 @@ err: return -1; } -int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc, - EGLuint64KHR *modifier) +bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset, + EGLint *stride, EGLint *fourcc, int *num_planes, + EGLuint64KHR *modifier) { EGLImageKHR image; - EGLint num_planes, fd; + EGLuint64KHR modifiers[DMABUF_MAX_PLANES]; image = eglCreateImageKHR(qemu_egl_display, eglGetCurrentContext(), EGL_GL_TEXTURE_2D_KHR, (EGLClientBuffer)(unsigned long)tex_id, NULL); if (!image) { - return -1; + return false; } eglExportDMABUFImageQueryMESA(qemu_egl_display, image, fourcc, - &num_planes, modifier); - if (num_planes != 1) { - eglDestroyImageKHR(qemu_egl_display, image); - return -1; - } - eglExportDMABUFImageMESA(qemu_egl_display, image, &fd, stride, NULL); + num_planes, modifiers); + eglExportDMABUFImageMESA(qemu_egl_display, image, fd, stride, offset); eglDestroyImageKHR(qemu_egl_display, image); - return fd; + /* Only first modifier matters. */ + if (modifier) { + *modifier = modifiers[0]; + } + + return true; } void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf) { EGLImageKHR image = EGL_NO_IMAGE_KHR; EGLint attrs[64]; - int i = 0; - uint64_t modifier; + int i = 0, j; + uint64_t modifier = qemu_dmabuf_get_modifier(dmabuf); uint32_t texture = qemu_dmabuf_get_texture(dmabuf); + int nfds, noffsets, nstrides; + const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds); + const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); + const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); + uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); + + EGLint fd_attrs[] = { + EGL_DMA_BUF_PLANE0_FD_EXT, + EGL_DMA_BUF_PLANE1_FD_EXT, + EGL_DMA_BUF_PLANE2_FD_EXT, + EGL_DMA_BUF_PLANE3_FD_EXT, + }; + EGLint offset_attrs[] = { + EGL_DMA_BUF_PLANE0_OFFSET_EXT, + EGL_DMA_BUF_PLANE1_OFFSET_EXT, + EGL_DMA_BUF_PLANE2_OFFSET_EXT, + EGL_DMA_BUF_PLANE3_OFFSET_EXT, + }; + EGLint stride_attrs[] = { + EGL_DMA_BUF_PLANE0_PITCH_EXT, + EGL_DMA_BUF_PLANE1_PITCH_EXT, + EGL_DMA_BUF_PLANE2_PITCH_EXT, + EGL_DMA_BUF_PLANE3_PITCH_EXT, + }; + EGLint modifier_lo_attrs[] = { + EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, + EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT, + EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT, + EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT, + }; + EGLint modifier_hi_attrs[] = { + EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, + EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT, + EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT, + EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT, + }; if (texture != 0) { return; } + assert(nfds >= num_planes); + assert(noffsets >= num_planes); + assert(nstrides >= num_planes); + attrs[i++] = EGL_WIDTH; attrs[i++] = qemu_dmabuf_get_backing_width(dmabuf); attrs[i++] = EGL_HEIGHT; @@ -322,21 +370,22 @@ void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf) attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT; attrs[i++] = qemu_dmabuf_get_fourcc(dmabuf); - attrs[i++] = EGL_DMA_BUF_PLANE0_FD_EXT; - attrs[i++] = qemu_dmabuf_get_fd(dmabuf); - attrs[i++] = EGL_DMA_BUF_PLANE0_PITCH_EXT; - attrs[i++] = qemu_dmabuf_get_stride(dmabuf); - attrs[i++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT; - attrs[i++] = 0; -#ifdef EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT - modifier = qemu_dmabuf_get_modifier(dmabuf); - if (modifier) { - attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT; - attrs[i++] = (modifier >> 0) & 0xffffffff; - attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT; - attrs[i++] = (modifier >> 32) & 0xffffffff; + for (j = 0; j < num_planes; j++) { + attrs[i++] = fd_attrs[j]; + /* fd[1-3] may be -1 if using a joint buffer for all planes */ + attrs[i++] = fds[j] >= 0 ? fds[j] : fds[0]; + attrs[i++] = stride_attrs[j]; + attrs[i++] = strides[j]; + attrs[i++] = offset_attrs[j]; + attrs[i++] = offsets[j]; + if (modifier != DRM_FORMAT_MOD_INVALID) { + attrs[i++] = modifier_lo_attrs[j]; + attrs[i++] = (modifier >> 0) & 0xffffffff; + attrs[i++] = modifier_hi_attrs[j]; + attrs[i++] = (modifier >> 32) & 0xffffffff; + } } -#endif + attrs[i++] = EGL_NONE; image = eglCreateImageKHR(qemu_egl_display, diff --git a/ui/spice-display.c b/ui/spice-display.c index c794ae0649..9c39d2c5c8 100644 --- a/ui/spice-display.c +++ b/ui/spice-display.c @@ -28,6 +28,8 @@ #include "ui/spice-display.h" +#include "standard-headers/drm/drm_fourcc.h" + bool spice_opengl; int qemu_spice_rect_is_empty(const QXLRect* r) @@ -872,23 +874,48 @@ static void spice_gl_update(DisplayChangeListener *dcl, ssd->gl_updates++; } +static void spice_server_gl_scanout(QXLInstance *qxl, + const int *fd, + uint32_t width, uint32_t height, + const uint32_t *offset, + const uint32_t *stride, + uint32_t num_planes, uint32_t format, + uint64_t modifier, int y_0_top) +{ +#ifdef HAVE_SPICE_QXL_GL_SCANOUT2 + spice_qxl_gl_scanout2(qxl, fd, width, height, offset, stride, + num_planes, format, modifier, y_0_top); +#else + if (num_planes <= 1) { + spice_qxl_gl_scanout(qxl, fd[0], width, height, stride[0], format, y_0_top); + } else { + error_report("SPICE server does not support multi plane GL scanout"); + } +#endif +} + static void spice_gl_switch(DisplayChangeListener *dcl, struct DisplaySurface *new_surface) { SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); - EGLint stride, fourcc; - int fd; if (ssd->ds) { surface_gl_destroy_texture(ssd->gls, ssd->ds); } ssd->ds = new_surface; if (ssd->ds) { + uint32_t offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES]; + int fd[DMABUF_MAX_PLANES], num_planes, fourcc; + uint64_t modifier; + surface_gl_create_texture(ssd->gls, ssd->ds); - fd = egl_get_fd_for_texture(ssd->ds->texture, - &stride, &fourcc, - NULL); - if (fd < 0) { + if (!egl_dmabuf_export_texture(ssd->ds->texture, + fd, + (EGLint *)offset, + (EGLint *)stride, + &fourcc, + &num_planes, + &modifier)) { surface_gl_destroy_texture(ssd->gls, ssd->ds); return; } @@ -899,10 +926,11 @@ static void spice_gl_switch(DisplayChangeListener *dcl, fourcc); /* note: spice server will close the fd */ - spice_qxl_gl_scanout(&ssd->qxl, fd, - surface_width(ssd->ds), - surface_height(ssd->ds), - stride, fourcc, false); + spice_server_gl_scanout(&ssd->qxl, fd, + surface_width(ssd->ds), + surface_height(ssd->ds), + offset, stride, num_planes, + fourcc, modifier, false); ssd->have_surface = true; ssd->have_scanout = false; @@ -925,7 +953,8 @@ static void qemu_spice_gl_scanout_disable(DisplayChangeListener *dcl) SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); trace_qemu_spice_gl_scanout_disable(ssd->qxl.id); - spice_qxl_gl_scanout(&ssd->qxl, -1, 0, 0, 0, 0, false); + spice_server_gl_scanout(&ssd->qxl, NULL, 0, 0, NULL, NULL, 0, DRM_FORMAT_INVALID, + DRM_FORMAT_MOD_INVALID, false); qemu_spice_gl_monitor_config(ssd, 0, 0, 0, 0); ssd->have_surface = false; ssd->have_scanout = false; @@ -941,20 +970,23 @@ static void qemu_spice_gl_scanout_texture(DisplayChangeListener *dcl, void *d3d_tex2d) { SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); - EGLint stride = 0, fourcc = 0; - int fd = -1; + EGLint offset[DMABUF_MAX_PLANES], stride[DMABUF_MAX_PLANES], fourcc = 0; + int fd[DMABUF_MAX_PLANES], num_planes; + uint64_t modifier; assert(tex_id); - fd = egl_get_fd_for_texture(tex_id, &stride, &fourcc, NULL); - if (fd < 0) { - fprintf(stderr, "%s: failed to get fd for texture\n", __func__); + if (!egl_dmabuf_export_texture(tex_id, fd, offset, stride, &fourcc, + &num_planes, &modifier)) { + fprintf(stderr, "%s: failed to export dmabuf for texture\n", __func__); return; } + trace_qemu_spice_gl_scanout_texture(ssd->qxl.id, w, h, fourcc); /* note: spice server will close the fd */ - spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height, - stride, fourcc, y_0_top); + spice_server_gl_scanout(&ssd->qxl, fd, backing_width, backing_height, + (uint32_t *)offset, (uint32_t *)stride, num_planes, + fourcc, modifier, y_0_top); qemu_spice_gl_monitor_config(ssd, x, y, w, h); ssd->have_surface = false; ssd->have_scanout = true; @@ -1025,11 +1057,10 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl, uint32_t x, uint32_t y, uint32_t w, uint32_t h) { SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl); - EGLint stride = 0, fourcc = 0; + EGLint fourcc = 0; bool render_cursor = false; bool y_0_top = false; /* FIXME */ uint64_t cookie; - int fd; uint32_t width, height, texture; if (!ssd->have_scanout) { @@ -1064,26 +1095,47 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl, /* dest framebuffer */ if (ssd->blit_fb.width != width || ssd->blit_fb.height != height) { + int fds[DMABUF_MAX_PLANES], num_planes; + uint32_t offsets[DMABUF_MAX_PLANES], strides[DMABUF_MAX_PLANES]; + uint64_t modifier; + trace_qemu_spice_gl_render_dmabuf(ssd->qxl.id, width, height); egl_fb_destroy(&ssd->blit_fb); egl_fb_setup_new_tex(&ssd->blit_fb, width, height); - fd = egl_get_fd_for_texture(ssd->blit_fb.texture, - &stride, &fourcc, NULL); - spice_qxl_gl_scanout(&ssd->qxl, fd, width, height, - stride, fourcc, false); + if (!egl_dmabuf_export_texture(ssd->blit_fb.texture, fds, + (EGLint *)offsets, (EGLint *)strides, + &fourcc, &num_planes, &modifier)) { + fprintf(stderr, + "%s: failed to export dmabuf for texture\n", __func__); + return; + } + + spice_server_gl_scanout(&ssd->qxl, fds, width, height, offsets, strides, + num_planes, fourcc, modifier, false); } } else { - stride = qemu_dmabuf_get_stride(dmabuf); + int fds[DMABUF_MAX_PLANES]; + int noffsets, nstrides; + const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); + const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); + uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); + + assert(noffsets >= num_planes); + assert(nstrides >= num_planes); + fourcc = qemu_dmabuf_get_fourcc(dmabuf); y_0_top = qemu_dmabuf_get_y0_top(dmabuf); - fd = qemu_dmabuf_dup_fd(dmabuf); + qemu_dmabuf_dup_fds(dmabuf, fds, DMABUF_MAX_PLANES); trace_qemu_spice_gl_forward_dmabuf(ssd->qxl.id, width, height); /* note: spice server will close the fd, so hand over a dup */ - spice_qxl_gl_scanout(&ssd->qxl, fd, width, height, - stride, fourcc, y_0_top); + spice_server_gl_scanout(&ssd->qxl, fds, width, height, + offsets, strides, num_planes, + fourcc, + qemu_dmabuf_get_modifier(dmabuf), + y_0_top); } qemu_spice_gl_monitor_config(ssd, 0, 0, width, height); ssd->guest_dmabuf_refresh = false; diff --git a/util/cacheflush.c b/util/cacheflush.c index 1d12899a39..17c58918de 100644 --- a/util/cacheflush.c +++ b/util/cacheflush.c @@ -229,6 +229,10 @@ static void __attribute__((constructor)) init_cache_info(void) /* Caches are coherent and do not require flushing; symbol inline. */ +#elif defined(EMSCRIPTEN) + +/* Wasm doesn't have executable region of memory. */ + #elif defined(__aarch64__) && !defined(CONFIG_WIN32) /* * For Windows, we use generic implementation of flush_idcache_range, that diff --git a/util/coroutine-wasm.c b/util/coroutine-wasm.c new file mode 100644 index 0000000000..cb1ec92509 --- /dev/null +++ b/util/coroutine-wasm.c @@ -0,0 +1,127 @@ +/* + * emscripten fiber coroutine initialization code + * based on coroutine-ucontext.c + * + * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> + * Copyright (C) 2011 Kevin Wolf <kwolf@redhat.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.0 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "qemu/coroutine_int.h" +#include "qemu/coroutine-tls.h" + +#include <emscripten/fiber.h> + +typedef struct { + Coroutine base; + void *stack; + size_t stack_size; + + void *asyncify_stack; + size_t asyncify_stack_size; + + CoroutineAction action; + + emscripten_fiber_t fiber; +} CoroutineEmscripten; + +/** + * Per-thread coroutine bookkeeping + */ +QEMU_DEFINE_STATIC_CO_TLS(Coroutine *, current); +QEMU_DEFINE_STATIC_CO_TLS(CoroutineEmscripten *, leader); +size_t leader_asyncify_stack_size = COROUTINE_STACK_SIZE; + +static void coroutine_trampoline(void *co_) +{ + Coroutine *co = co_; + + while (true) { + co->entry(co->entry_arg); + qemu_coroutine_switch(co, co->caller, COROUTINE_TERMINATE); + } +} + +Coroutine *qemu_coroutine_new(void) +{ + CoroutineEmscripten *co; + + co = g_malloc0(sizeof(*co)); + + co->stack_size = COROUTINE_STACK_SIZE; + co->stack = qemu_alloc_stack(&co->stack_size); + + co->asyncify_stack_size = COROUTINE_STACK_SIZE; + co->asyncify_stack = g_malloc0(co->asyncify_stack_size); + emscripten_fiber_init(&co->fiber, coroutine_trampoline, &co->base, + co->stack, co->stack_size, co->asyncify_stack, + co->asyncify_stack_size); + + return &co->base; +} + +void qemu_coroutine_delete(Coroutine *co_) +{ + CoroutineEmscripten *co = DO_UPCAST(CoroutineEmscripten, base, co_); + + qemu_free_stack(co->stack, co->stack_size); + g_free(co->asyncify_stack); + g_free(co); +} + +CoroutineAction qemu_coroutine_switch(Coroutine *from_, Coroutine *to_, + CoroutineAction action) +{ + CoroutineEmscripten *from = DO_UPCAST(CoroutineEmscripten, base, from_); + CoroutineEmscripten *to = DO_UPCAST(CoroutineEmscripten, base, to_); + + set_current(to_); + to->action = action; + emscripten_fiber_swap(&from->fiber, &to->fiber); + return from->action; +} + +Coroutine *qemu_coroutine_self(void) +{ + Coroutine *self = get_current(); + + if (!self) { + CoroutineEmscripten *leaderp = get_leader(); + if (!leaderp) { + leaderp = g_malloc0(sizeof(*leaderp)); + leaderp->asyncify_stack = g_malloc0(leader_asyncify_stack_size); + leaderp->asyncify_stack_size = leader_asyncify_stack_size; + emscripten_fiber_init_from_current_context( + &leaderp->fiber, + leaderp->asyncify_stack, + leaderp->asyncify_stack_size); + leaderp->stack = leaderp->fiber.stack_limit; + leaderp->stack_size = + leaderp->fiber.stack_base - leaderp->fiber.stack_limit; + set_leader(leaderp); + } + self = &leaderp->base; + set_current(self); + } + return self; +} + +bool qemu_in_coroutine(void) +{ + Coroutine *self = get_current(); + + return self && self->caller; +} diff --git a/util/meson.build b/util/meson.build index acb21592f9..1adff96ebd 100644 --- a/util/meson.build +++ b/util/meson.build @@ -11,7 +11,9 @@ if host_os != 'windows' endif util_ss.add(files('compatfd.c')) util_ss.add(files('event_notifier-posix.c')) - util_ss.add(files('mmap-alloc.c')) + if host_os != 'emscripten' + util_ss.add(files('mmap-alloc.c')) + endif freebsd_dep = [] if host_os == 'freebsd' freebsd_dep = util diff --git a/util/oslib-posix.c b/util/oslib-posix.c index a697c602c6..4ff577e5de 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -58,6 +58,7 @@ #include <lwp.h> #endif +#include "qemu/memalign.h" #include "qemu/mmap-alloc.h" #define MAX_MEM_PREALLOC_THREAD_COUNT 16 @@ -210,11 +211,21 @@ void *qemu_anon_ram_alloc(size_t size, uint64_t *alignment, bool shared, const uint32_t qemu_map_flags = (shared ? QEMU_MAP_SHARED : 0) | (noreserve ? QEMU_MAP_NORESERVE : 0); size_t align = QEMU_VMALLOC_ALIGN; +#ifndef EMSCRIPTEN void *ptr = qemu_ram_mmap(-1, size, align, qemu_map_flags, 0); if (ptr == MAP_FAILED) { return NULL; } +#else + /* + * qemu_ram_mmap is not implemented for Emscripten. Use qemu_memalign + * for the anonymous allocation. noreserve is ignored as there is no swap + * space on Emscripten, and shared is ignored as there is no other + * processes on Emscripten. + */ + void *ptr = qemu_memalign(align, size); +#endif if (alignment) { *alignment = align; @@ -227,7 +238,16 @@ void *qemu_anon_ram_alloc(size_t size, uint64_t *alignment, bool shared, void qemu_anon_ram_free(void *ptr, size_t size) { trace_qemu_anon_ram_free(ptr, size); +#ifndef EMSCRIPTEN qemu_ram_munmap(-1, ptr, size); +#else + /* + * qemu_ram_munmap is not implemented for Emscripten and qemu_memalign + * was used for the allocation. Use the corresponding freeing function + * here. + */ + qemu_vfree(ptr); +#endif } void qemu_socket_set_block(int fd) @@ -588,7 +608,15 @@ bool qemu_prealloc_mem(int fd, char *area, size_t sz, int max_threads, { static gsize initialized; int ret; +#ifndef EMSCRIPTEN size_t hpagesize = qemu_fd_getpagesize(fd); +#else + /* + * mmap-alloc.c is excluded from Emscripten build, so qemu_fd_getpagesize + * is unavailable. Fallback to the lower level implementation. + */ + size_t hpagesize = qemu_real_host_page_size(); +#endif size_t numpages = DIV_ROUND_UP(sz, hpagesize); bool use_madv_populate_write; struct sigaction act; |