draft: hexagon system emulation initial

.gitlab-ci.d/buildtest-template.yml

@@ -63,7 +63,6 @@
   stage: test
   image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG
   script:
-    - export RUST_BACKTRACE=1
     - source scripts/ci/gitlab-ci-section
     - section_start buildenv "Setting up to run tests"
     - scripts/git-submodule.sh update roms/SLOF

.gitlab-ci.d/buildtest.yml

@@ -131,6 +131,12 @@ build-system-fedora-rust-nightly:
     CONFIGURE_ARGS: --disable-docs --enable-rust --enable-strict-rust-lints
     TARGETS: aarch64-softmmu
     MAKE_CHECK_ARGS: check-build
+  after_script:
+    - source scripts/ci/gitlab-ci-section
+    - section_start test "Running Rust doctests"
+    - cd build
+    - pyvenv/bin/meson devenv -w ../rust ${CARGO-cargo} test --doc -p qemu_api
+
   allow_failure: true
 
 check-system-fedora:

.gitlab-ci.d/check-dco.py

@@ -21,7 +21,7 @@
 
 print(f"adding upstream git repo @ {repourl}")
 subprocess.check_call(["git", "remote", "add", "check-dco", repourl])
-subprocess.check_call(["git", "fetch", "check-dco", "master"])
+subprocess.check_call(["git", "fetch", "--refetch", "check-dco", "master"])
 
 ancestor = subprocess.check_output(["git", "merge-base",
                                     "check-dco/master", "HEAD"],

.gitlab-ci.d/check-patch.py

@@ -24,7 +24,7 @@
 # base for the user's branch. We thus need to figure out a common
 # ancestor between the user's branch and current git master.
 subprocess.check_call(["git", "remote", "add", "check-patch", repourl])
-subprocess.check_call(["git", "fetch", "check-patch", "master"])
+subprocess.check_call(["git", "fetch", "--refetch", "check-patch", "master"])
 
 ancestor = subprocess.check_output(["git", "merge-base",
                                     "check-patch/master", "HEAD"],

.gitlab-ci.d/check-units.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+#
+# check-units.py: check the number of compilation units and identify
+#                 those that are rebuilt multiple times
+#
+# Copyright (C) 2025 Linaro Ltd.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from os import access, R_OK, path
+from sys import argv, exit
+import json
+from collections import Counter
+
+
+def extract_build_units(cc_path):
+    """
+    Extract the build units and their counds from compile_commands.json file.
+
+    Returns:
+        Hash table of ["unit"] = count
+    """
+
+    j = json.load(open(cc_path, 'r'))
+    files = [f['file'] for f in j]
+    build_units = Counter(files)
+
+    return build_units
+
+
+def analyse_units(build_units):
+    """
+    Analyse the build units and report stats and the top 10 rebuilds
+    """
+
+    print(f"Total source files: {len(build_units.keys())}")
+    print(f"Total build units: {sum(units.values())}")
+
+    # Create a sorted list by number of rebuilds
+    sorted_build_units = sorted(build_units.items(),
+                                key=lambda item: item[1],
+                                reverse=True)
+
+    print("Most rebuilt units:")
+    for unit, count in sorted_build_units[:20]:
+        print(f"  {unit} built {count} times")
+
+    print("Least rebuilt units:")
+    for unit, count in sorted_build_units[-10:]:
+        print(f"  {unit} built {count} times")
+
+
+if __name__ == "__main__":
+    if len(argv) != 2:
+        script_name = path.basename(argv[0])
+        print(f"Usage: {script_name} <path_to_compile_commands.json>")
+        exit(1)
+
+    cc_path = argv[1]
+    if path.isfile(cc_path) and access(cc_path, R_OK):
+        units = extract_build_units(cc_path)
+        analyse_units(units)
+        exit(0)
+    else:
+        print(f"{cc_path} doesn't exist or isn't readable")
+        exit(1)

.gitlab-ci.d/cirrus/freebsd-14.vars

@@ -11,6 +11,6 @@ MAKE='/usr/local/bin/gmake'
 NINJA='/usr/local/bin/ninja'
 PACKAGING_COMMAND='pkg'
 PIP3='/usr/local/bin/pip'
-PKGS='alsa-lib bash bison bzip2 ca_root_nss capstone4 ccache4 cmocka ctags curl cyrus-sasl dbus diffutils dtc flex fusefs-libs3 gettext git glib gmake gnutls gsed gtk-vnc gtk3 json-c libepoxy libffi libgcrypt libjpeg-turbo libnfs libslirp libspice-server libssh libtasn1 llvm lzo2 meson mtools ncurses nettle ninja opencv pixman pkgconf png py311-numpy py311-pillow py311-pip py311-pyyaml py311-sphinx py311-sphinx_rtd_theme py311-tomli python3 rpm2cpio rust rust-bindgen-cli sdl2 sdl2_image snappy sndio socat spice-protocol tesseract usbredir virglrenderer vte3 xorriso zstd'
+PKGS='alsa-lib bash bison bzip2 ca_root_nss capstone4 ccache4 cmocka ctags curl cyrus-sasl dbus diffutils dtc flex fusefs-libs3 gettext git glib gmake gnutls gsed gtk-vnc gtk3 json-c libepoxy libffi libgcrypt libjpeg-turbo libnfs libslirp libspice-server libssh libtasn1 llvm lzo2 meson mtools ncurses nettle ninja opencv pixman pkgconf png py311-numpy py311-pillow py311-pip py311-pyyaml py311-sphinx py311-sphinx_rtd_theme py311-tomli python3 rpm2cpio rust rust-bindgen-cli sdl2 sdl2_image snappy sndio socat spice-protocol tesseract usbredir virglrenderer vte3 vulkan-tools xorriso zstd'
 PYPI_PKGS=''
 PYTHON='/usr/local/bin/python3'

.gitlab-ci.d/cirrus/macos-14.vars

@@ -11,6 +11,6 @@ MAKE='/opt/homebrew/bin/gmake'
 NINJA='/opt/homebrew/bin/ninja'
 PACKAGING_COMMAND='brew'
 PIP3='/opt/homebrew/bin/pip3'
-PKGS='bash bc bindgen bison bzip2 capstone ccache cmocka ctags curl dbus diffutils dtc flex gcovr gettext git glib gnu-sed gnutls gtk+3 gtk-vnc jemalloc jpeg-turbo json-c libcbor libepoxy libffi libgcrypt libiscsi libnfs libpng libslirp libssh libtasn1 libusb llvm lzo make meson mtools ncurses nettle ninja pixman pkg-config python3 rpm2cpio rust sdl2 sdl2_image snappy socat sparse spice-protocol swtpm tesseract usbredir vde vte3 xorriso zlib zstd'
+PKGS='bash bc bindgen bison bzip2 capstone ccache cmocka ctags curl dbus diffutils dtc flex gcovr gettext git glib gnu-sed gnutls gtk+3 gtk-vnc jemalloc jpeg-turbo json-c libcbor libepoxy libffi libgcrypt libiscsi libnfs libpng libslirp libssh libtasn1 libusb llvm lzo make meson mtools ncurses nettle ninja pixman pkg-config python3 rpm2cpio rust sdl2 sdl2_image snappy socat sparse spice-protocol swtpm tesseract usbredir vde vte3 vulkan-tools xorriso zlib zstd'
 PYPI_PKGS='PyYAML numpy pillow sphinx sphinx-rtd-theme tomli'
 PYTHON='/opt/homebrew/bin/python3'

.gitlab-ci.d/static_checks.yml

@@ -70,3 +70,25 @@ check-rust-tools-nightly:
     expire_in: 2 days
     paths:
       - rust/target/doc
+
+check-build-units:
+  extends: .base_job_template
+  stage: build
+  image: $CI_REGISTRY_IMAGE/qemu/debian:$QEMU_CI_CONTAINER_TAG
+  needs:
+    job: amd64-debian-container
+  before_script:
+    - source scripts/ci/gitlab-ci-section
+    - section_start setup "Install Tools"
+    - apt install --assume-yes --no-install-recommends jq
+    - section_end setup
+  script:
+    - mkdir build
+    - cd build
+    - section_start configure "Running configure"
+    - ../configure
+    - cd ..
+    - section_end configure
+    - section_start analyse "Analyse"
+    - .gitlab-ci.d/check-units.py build/compile_commands.json
+    - section_end analyse

Kconfig.host

@@ -61,3 +61,6 @@ config HV_BALLOON_POSSIBLE
 
 config HAVE_RUST
     bool
+
+config MAC_PVG
+    bool