[PATCH v5 0/4] wasm: Enable 64bit guests on TCI using wasm64

[PATCH v5 0/4] wasm: Enable 64bit guests on TCI using wasm64

[Kohei Tokunaga]

V5:

- In emsdk-wasm-cross.docker, removed -sMEMORY64 from the environment
  variables (e.g. CFLAGS) in the QEMU compilation stage.
- Updated the Dockerfile to build dependencies always with -sMEMORY64=1 for
  wasm64 target. The final QEMU compilation can be lowered to wasm32 by
  using configure's --wasm64-32bit-address-limit flag which enables
  Emscripten's MEMORY64=2.
- Fixed wasm64 tests (build-wasm64-64bit and build-wasm64-32bit) to share
  the same wasm64 container. The build-wasm64-32bit test passes
  --wasm64-32bit-address-limit to the configure script so that the output is
  lowered to wasm32 by Emscripten's -sMEMORY64=2.

V4:

- Rebased on the recent tree.

V3:

- Renamed the build tests on GitLab CI("build-wasm32" ->
  "build-wasm32-32bit", "build-wasm-wasm64" -> "build-wasm64-64bit",
  "build-wasm-wasm64l" -> "build-wasm64-32bit"). The same change has also
  been applied to container-cross.yml.

V2:

- Added a link to the Emscripten documentation about -sMEMORY64 in the
  configure script.
- Changed --wasm64-memory64 flag to --wasm64-32bit-address-limit to avoid
  exposing the -sMEMORY64 value directly to the users.
- Fixed GitLab CI to use --wasm64-32bit-address-limit instead of
  --wasm64-memory64.

V1:

This patch series enables the TCI of the Wasm build to run 64bit
guests. Unlike the previous series[1], this patch series is implemented by
adding support for WebAssembly's "wasm64" target which enables 64bit
pointers.

In the previous discussion[2], the main challenge of using wasm64 was its
limited adoption, particularly the lack of support in our dependency
(libffi) and some engines such as Safari.

For libffi, I've completed the addition of wasm64 support upstream[3] so it
can be used.

To support wasm32 engines, this patch uses Emscripten's compatibility
feature, -sMEMORY64=2 flag[4]. This flag still enables 64bit pointers in the
C code while Emscripten lowers the output binary to wasm32 and limits the
maximum memory size to 4GB. As a result, QEMU can run on wasm32 engiens
while still supporting 64bit guests.

# Overview of the build process

To compile QEMU with Emscripten, the following dependencies are required.
The emsdk-wasm-cross.docker environment includes all necessary components
and can be used as the build environment:

- Emscripten SDK (emsdk) v4.0.10
- Libraries cross-compiled with Emscripten (please see also
  emsdk-wasm-cross.docker for build steps)
  - GLib v2.84.0
  - zlib v1.3.1
  - libffi v3.5.2
  - Pixman v0.44.2

The configure script supports --cpu=wasm64 flag to compile QEMU with 64bit
pointer support.

emconfigure ./configure --cpu=wasm64 \
                        --static --disable-tools \
                        --target-list=x86_64-softmmu \
                        --enable-tcg-interpreter
emmake make -j$(nproc)

If the output needs to run on wasm32 engines, use
--wasm64-32bit-address-limit flag. This flag enables Emscripten's
-sMEMORY64=2 flag[4]. (Note: --wasm64-memory64=2 flag in the V1 patch has
been renamed to --wasm64-32bit-address-limit in V2)

emconfigure ./configure --cpu=wasm64 --wasm64-32bit-address-limit \
                        --static --disable-tools \
                        --target-list=x86_64-softmmu \
                        --enable-tcg-interpreter
emmake make -j$(nproc)

Either of the above commands generates the following files:

- qemu-system-x86_64.js
- qemu-system-x86_64.wasm

Guest images can be packaged using Emscripten's file_packager.py tool.
For example, if the images are stored in a directory named "pack", the
following command packages them, allowing QEMU to access them through
Emscripten's virtual filesystem:

/path/to/file_packager.py qemu-system-x86_64.data --preload pack > load.js

This process generates the following files:

- qemu-system-x86_64.data
- load.js

Emscripten allows passing arguments to the QEMU command via the Module
object in JavaScript:

Module['arguments'] = [
    '-nographic', '-m', '512M',
    '-L', 'pack/',
    '-drive', 'if=virtio,format=raw,file=pack/rootfs.bin',
    '-kernel', 'pack/bzImage',
    '-append', 'earlyprintk=ttyS0 console=ttyS0 root=/dev/vda loglevel=7',
];

The sample repository[5] (tcidev64 branch) provides a complete setup,
including an HTML file that implements a terminal UI.

[1] https://lists.nongnu.org/archive/html/qemu-devel/2025-05/msg05376.html
[2] https://lists.nongnu.org/archive/html/qemu-devel/2025-04/msg01795.html
[3] https://github.com/libffi/libffi/pull/927
[4] https://emscripten.org/docs/tools_reference/settings_reference.html#memory64
[5] https://github.com/ktock/qemu-wasm-sample/tree/tcidev64

Kohei Tokunaga (4):
  meson: Add wasm64 support to the --cpu flag
  configure: Enable to propagate -sMEMORY64 flag to Emscripten
  dockerfiles: Add support for wasm64 to the wasm Dockerfile
  .gitlab-ci.d: Add build tests for wasm64

 .gitlab-ci.d/buildtest.yml                    | 24 ++++++++++++++---
 .gitlab-ci.d/container-cross.yml              | 11 +++++++-
 .gitlab-ci.d/container-template.yml           |  4 ++-
 .gitlab-ci.d/containers.yml                   |  3 ++-
 MAINTAINERS                                   |  2 +-
 configure                                     | 16 +++++++++++-
 meson.build                                   |  4 +--
 ...2-cross.docker => emsdk-wasm-cross.docker} | 26 ++++++++++++++-----
 8 files changed, 73 insertions(+), 17 deletions(-)
 rename tests/docker/dockerfiles/{emsdk-wasm32-cross.docker => emsdk-wasm-cross.docker} (89%)

-- 
2.43.0

[PATCH v5 1/4] meson: Add wasm64 support to the --cpu flag

[Kohei Tokunaga]

wasm64 target enables 64bit pointers using Emscripten's -sMEMORY64=1
flag[1]. This enables QEMU to run 64bit guests.

Although the configure script uses "uname -m" as the fallback value when
"cpu" is empty, this can't be used for Emscripten which targets to Wasm.
So, in wasm build, this commit fixes configure to require --cpu flag to be
explicitly specified by the user.

[1] https://emscripten.org/docs/tools_reference/settings_reference.html#memory64

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 configure   | 6 +++++-
 meson.build | 4 ++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 55e0bd3425..92bfc5f976 100755
--- a/configure
+++ b/configure
@@ -365,7 +365,6 @@ 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
@@ -419,6 +418,8 @@ elif check_define __aarch64__ ; then
   cpu="aarch64"
 elif check_define __loongarch64 ; then
   cpu="loongarch64"
+elif check_define EMSCRIPTEN ; then
+  error_exit "wasm32 or wasm64 must be specified to the cpu flag"
 else
   # Using uname is really broken, but it is just a fallback for architectures
   # that are going to use TCI anyway
@@ -519,6 +520,9 @@ case "$cpu" in
   wasm32)
     CPU_CFLAGS="-m32"
     ;;
+  wasm64)
+    CPU_CFLAGS="-m64 -sMEMORY64=1"
+    ;;
 esac
 
 if test -n "$host_arch" && {
diff --git a/meson.build b/meson.build
index db87358d62..d072473243 100644
--- a/meson.build
+++ b/meson.build
@@ -51,7 +51,7 @@ qapi_trace_events = []
 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux', 'emscripten']
 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
-  'arm', 'aarch64', 'loongarch64', 'mips64', 'sparc64', 'wasm32']
+  'arm', 'aarch64', 'loongarch64', 'mips64', 'sparc64', 'wasm32', 'wasm64']
 
 cpu = host_machine.cpu_family()
 
@@ -914,7 +914,7 @@ if have_tcg
     if not get_option('tcg_interpreter')
       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
     endif
-  elif host_arch == 'wasm32'
+  elif host_arch == 'wasm32' or host_arch == 'wasm64'
     if not get_option('tcg_interpreter')
       error('WebAssembly host requires --enable-tcg-interpreter')
     endif
-- 
2.43.0

[PATCH v5 2/4] configure: Enable to propagate -sMEMORY64 flag to Emscripten

[Kohei Tokunaga]

Currently there are some engines that don't support wasm64 (e.g. unsupported
on Safari[1]). To mitigate this issue, the configure script allows the user
to use Emscripten's compatibility feature, "-sMEMORY64=2" flag[2].

Emscripten's "-sMEMORY64=2" flag still enables 64bit pointers in C code. But
this flag lowers the output binary into wasm32, with limiting the maximum
memory size to 4GB. So QEMU can run on wasm32 engines.

[1] https://webassembly.org/features/
[2] https://emscripten.org/docs/tools_reference/settings_reference.html#memory64

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 configure | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 92bfc5f976..326d27dab1 100755
--- a/configure
+++ b/configure
@@ -182,6 +182,10 @@ EXTRA_CXXFLAGS=""
 EXTRA_OBJCFLAGS=""
 EXTRA_LDFLAGS=""
 
+# The value is propagated to Emscripten's "-sMEMORY64" flag.
+# https://emscripten.org/docs/tools_reference/settings_reference.html#memory64
+wasm64_memory64=1
+
 # Default value for a variable defining feature "foo".
 #  * foo="no"  feature will only be used if --enable-foo arg is given
 #  * foo=""    feature will be searched for, and if found, will be used
@@ -239,6 +243,8 @@ for opt do
   ;;
   --without-default-features) default_feature="no"
   ;;
+  --wasm64-32bit-address-limit) wasm64_memory64="2"
+  ;;
   esac
 done
 
@@ -521,7 +527,7 @@ case "$cpu" in
     CPU_CFLAGS="-m32"
     ;;
   wasm64)
-    CPU_CFLAGS="-m64 -sMEMORY64=1"
+    CPU_CFLAGS="-m64 -sMEMORY64=$wasm64_memory64"
     ;;
 esac
 
@@ -779,6 +785,8 @@ for opt do
   ;;
   --disable-rust) rust=disabled
   ;;
+  --wasm64-32bit-address-limit)
+  ;;
   # everything else has the same name in configure and meson
   --*) meson_option_parse "$opt" "$optarg"
   ;;
@@ -904,6 +912,8 @@ Advanced options (experts only):
   --disable-containers     don't use containers for cross-building
   --container-engine=TYPE  which container engine to use [$container_engine]
   --gdb=GDB-path           gdb to use for gdbstub tests [$gdb_bin]
+  --wasm64-32bit-address-limit Restrict wasm64 address space to 32-bit (default
+                               is to use the whole 64-bit range).
 EOF
   meson_options_help
 cat << EOF
-- 
2.43.0

[PATCH v5 3/4] dockerfiles: Add support for wasm64 to the wasm Dockerfile

[Kohei Tokunaga]

This commit fixes Dockerfile of the wasm build to support both of wasm32 and
wasm64 build. Dockerfile takes the following build argument and use it for
building dependencies.

- TARGET_CPU: target wasm arch (wasm32 or wasm64)

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 MAINTAINERS                                   |  2 +-
 ...2-cross.docker => emsdk-wasm-cross.docker} | 26 ++++++++++++++-----
 2 files changed, 20 insertions(+), 8 deletions(-)
 rename tests/docker/dockerfiles/{emsdk-wasm32-cross.docker => emsdk-wasm-cross.docker} (89%)

V5:
- Removed -sMEMORY64 from the environment variables (e.g. CFLAGS) in the
  QEMU compilation stage.
- Updated the Dockerfile to build dependencies always with -sMEMORY64=1 for
  wasm64 target. The final QEMU compilation can be lowered to wasm32 by
  using configure's --wasm64-32bit-address-limit flag which enables
  Emscripten's MEMORY64=2.

diff --git a/MAINTAINERS b/MAINTAINERS
index 9a55b649e8..22974fdd73 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -671,7 +671,7 @@ 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
+F: tests/docker/dockerfiles/emsdk-wasm-cross.docker
 
 Alpha Machines
 --------------
diff --git a/tests/docker/dockerfiles/emsdk-wasm32-cross.docker b/tests/docker/dockerfiles/emsdk-wasm-cross.docker
similarity index 89%
rename from tests/docker/dockerfiles/emsdk-wasm32-cross.docker
rename to tests/docker/dockerfiles/emsdk-wasm-cross.docker
index 1f08eb0b85..ecd5a02903 100644
--- a/tests/docker/dockerfiles/emsdk-wasm32-cross.docker
+++ b/tests/docker/dockerfiles/emsdk-wasm-cross.docker
@@ -1,14 +1,15 @@
 # syntax = docker/dockerfile:1.5
 
-ARG EMSDK_VERSION_QEMU=3.1.50
+ARG EMSDK_VERSION_QEMU=4.0.10
 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 FFI_VERSION=v3.5.2
 ARG MESON_VERSION=1.5.0
+ARG TARGET_CPU=wasm32
 
-FROM docker.io/emscripten/emsdk:$EMSDK_VERSION_QEMU AS build-base
+FROM docker.io/emscripten/emsdk:$EMSDK_VERSION_QEMU AS build-base-common
 ARG MESON_VERSION
 ENV TARGET=/builddeps/target
 ENV CPATH="$TARGET/include"
@@ -29,12 +30,22 @@ RUN pip3 install meson==${MESON_VERSION} tomli
 RUN mkdir /build
 WORKDIR /build
 RUN mkdir -p $TARGET
+
+FROM build-base-common AS build-base-wasm32
+
+FROM build-base-common AS build-base-wasm64
+ENV CFLAGS="$CFLAGS -sMEMORY64=1"
+ENV CXXFLAGS="$CXXFLAGS -sMEMORY64=1"
+ENV LDFLAGS="$LDFLAGS -sMEMORY64=1"
+
+FROM build-base-${TARGET_CPU} AS build-base
+ARG TARGET_CPU
 RUN <<EOF
 cat <<EOT > /cross.meson
 [host_machine]
 system = 'emscripten'
-cpu_family = 'wasm32'
-cpu = 'wasm32'
+cpu_family = '${TARGET_CPU}'
+cpu = '${TARGET_CPU}'
 endian = 'little'
 
 [binaries]
@@ -56,13 +67,14 @@ RUN emconfigure ./configure --prefix=$TARGET --static
 RUN emmake make install -j$(nproc)
 
 FROM build-base AS libffi-dev
+ARG TARGET_CPU
 ARG FFI_VERSION
 RUN mkdir -p /libffi
 RUN git clone https://github.com/libffi/libffi /libffi
 WORKDIR /libffi
 RUN git checkout $FFI_VERSION
 RUN autoreconf -fiv
-RUN emconfigure ./configure --host=wasm32-unknown-linux \
+RUN emconfigure ./configure --host=${TARGET_CPU}-unknown-linux \
     --prefix=$TARGET --enable-static \
     --disable-shared --disable-dependency-tracking \
     --disable-builddir --disable-multi-os-directory \
@@ -140,6 +152,6 @@ 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
+FROM build-base-common
 COPY --from=glib-dev /builddeps/ /builddeps/
 COPY --from=pixman-dev /builddeps/ /builddeps/
-- 
2.43.0

[PATCH v5 4/4] .gitlab-ci.d: Add build tests for wasm64

[Kohei Tokunaga]

The wasm builds are tested for 3 targets: wasm32, wasm64(-sMEMORY64=1) and
wasm64(-sMEMORY64=2). The CI builds the containers using the same Dockerfile
(emsdk-wasm-cross.docker) with different build args.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
---
 .gitlab-ci.d/buildtest.yml          | 24 +++++++++++++++++++++---
 .gitlab-ci.d/container-cross.yml    | 11 ++++++++++-
 .gitlab-ci.d/container-template.yml |  4 +++-
 .gitlab-ci.d/containers.yml         |  3 ++-
 4 files changed, 36 insertions(+), 6 deletions(-)

V5:
- Fixed wasm64 tests (build-wasm64-64bit and build-wasm64-32bit) to share
  the same wasm64 container. The build-wasm64-32bit test passes
  --wasm64-32bit-address-limit to the configure script so that the output is
  lowered to wasm32 by Emscripten's -sMEMORY64=2.

diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
index dfe954fe3c..ea0f5bb057 100644
--- a/.gitlab-ci.d/buildtest.yml
+++ b/.gitlab-ci.d/buildtest.yml
@@ -785,11 +785,29 @@ coverity:
     # Always manual on forks even if $QEMU_CI == "2"
     - when: manual
 
-build-wasm:
+build-wasm32-32bit:
   extends: .wasm_build_job_template
   timeout: 2h
   needs:
-    - job: wasm-emsdk-cross-container
+    - job: wasm32-emsdk-cross-container
   variables:
     IMAGE: emsdk-wasm32-cross
-    CONFIGURE_ARGS: --static --disable-tools --enable-debug --enable-tcg-interpreter
+    CONFIGURE_ARGS: --static --cpu=wasm32 --disable-tools --enable-debug --enable-tcg-interpreter
+
+build-wasm64-64bit:
+  extends: .wasm_build_job_template
+  timeout: 2h
+  needs:
+    - job: wasm64-emsdk-cross-container
+  variables:
+    IMAGE: emsdk-wasm64-cross
+    CONFIGURE_ARGS: --static --cpu=wasm64 --disable-tools --enable-debug --enable-tcg-interpreter
+
+build-wasm64-32bit:
+  extends: .wasm_build_job_template
+  timeout: 2h
+  needs:
+    - job: wasm64-emsdk-cross-container
+  variables:
+    IMAGE: emsdk-wasm64-cross
+    CONFIGURE_ARGS: --static --cpu=wasm64 --wasm64-32bit-address-limit --disable-tools --enable-debug --enable-tcg-interpreter
diff --git a/.gitlab-ci.d/container-cross.yml b/.gitlab-ci.d/container-cross.yml
index 0fd7341afa..7022015e95 100644
--- a/.gitlab-ci.d/container-cross.yml
+++ b/.gitlab-ci.d/container-cross.yml
@@ -86,7 +86,16 @@ win64-fedora-cross-container:
   variables:
     NAME: fedora-win64-cross
 
-wasm-emsdk-cross-container:
+wasm32-emsdk-cross-container:
   extends: .container_job_template
   variables:
     NAME: emsdk-wasm32-cross
+    BUILD_ARGS: --build-arg TARGET_CPU=wasm32
+    DOCKERFILE: emsdk-wasm-cross
+
+wasm64-emsdk-cross-container:
+  extends: .container_job_template
+  variables:
+    NAME: emsdk-wasm64-cross
+    BUILD_ARGS: --build-arg TARGET_CPU=wasm64
+    DOCKERFILE: emsdk-wasm-cross
diff --git a/.gitlab-ci.d/container-template.yml b/.gitlab-ci.d/container-template.yml
index 82c1b69e8d..b92e96b0fc 100644
--- a/.gitlab-ci.d/container-template.yml
+++ b/.gitlab-ci.d/container-template.yml
@@ -10,12 +10,14 @@
     - export COMMON_TAG="$CI_REGISTRY/qemu-project/qemu/qemu/$NAME:latest"
     - docker login $CI_REGISTRY -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD"
     - until docker info; do sleep 1; done
+    - export DOCKERFILE_NAME=${DOCKERFILE:-$NAME}
   script:
     - echo "TAG:$TAG"
     - echo "COMMON_TAG:$COMMON_TAG"
     - docker build --tag "$TAG" --cache-from "$TAG" --cache-from "$COMMON_TAG"
       --build-arg BUILDKIT_INLINE_CACHE=1
-      -f "tests/docker/dockerfiles/$NAME.docker" "."
+      $BUILD_ARGS
+      -f "tests/docker/dockerfiles/$DOCKERFILE_NAME.docker" "."
     - docker push "$TAG"
   after_script:
     - docker logout
diff --git a/.gitlab-ci.d/containers.yml b/.gitlab-ci.d/containers.yml
index f7d3e7205d..dde9a3f840 100644
--- a/.gitlab-ci.d/containers.yml
+++ b/.gitlab-ci.d/containers.yml
@@ -58,7 +58,8 @@ weekly-container-builds:
     - tricore-debian-cross-container
     - xtensa-debian-cross-container
     - win64-fedora-cross-container
-    - wasm-emsdk-cross-container
+    - wasm32-emsdk-cross-container
+    - wasm64-emsdk-cross-container
     # containers
     - amd64-alpine-container
     - amd64-debian-container
-- 
2.43.0

Re: [PATCH v5 1/4] meson: Add wasm64 support to the --cpu flag

[Philippe Mathieu-Daudé]

On 13/1/26 14:54, Kohei Tokunaga wrote:
> wasm64 target enables 64bit pointers using Emscripten's -sMEMORY64=1
> flag[1]. This enables QEMU to run 64bit guests.
> 
> Although the configure script uses "uname -m" as the fallback value when
> "cpu" is empty, this can't be used for Emscripten which targets to Wasm.
> So, in wasm build, this commit fixes configure to require --cpu flag to be
> explicitly specified by the user.
> 
> [1] https://emscripten.org/docs/tools_reference/settings_reference.html#memory64
> 
> Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
> ---
>   configure   | 6 +++++-
>   meson.build | 4 ++--
>   2 files changed, 7 insertions(+), 3 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Re: [PATCH v5 4/4] .gitlab-ci.d: Add build tests for wasm64

[Pierrick Bouvier]

On 1/13/26 5:54 AM, Kohei Tokunaga wrote:
> The wasm builds are tested for 3 targets: wasm32, wasm64(-sMEMORY64=1) and
> wasm64(-sMEMORY64=2). The CI builds the containers using the same Dockerfile
> (emsdk-wasm-cross.docker) with different build args.
> 
> Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
> ---
>   .gitlab-ci.d/buildtest.yml          | 24 +++++++++++++++++++++---
>   .gitlab-ci.d/container-cross.yml    | 11 ++++++++++-
>   .gitlab-ci.d/container-template.yml |  4 +++-
>   .gitlab-ci.d/containers.yml         |  3 ++-
>   4 files changed, 36 insertions(+), 6 deletions(-)
> 
> V5:
> - Fixed wasm64 tests (build-wasm64-64bit and build-wasm64-32bit) to share
>    the same wasm64 container. The build-wasm64-32bit test passes
>    --wasm64-32bit-address-limit to the configure script so that the output is
>    lowered to wasm32 by Emscripten's -sMEMORY64=2.
> 

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>

Re: [PATCH v5 0/4] wasm: Enable 64bit guests on TCI using wasm64

[Philippe Mathieu-Daudé]

Hi,

On 13/1/26 14:54, Kohei Tokunaga wrote:

> Kohei Tokunaga (4):
>    meson: Add wasm64 support to the --cpu flag
>    configure: Enable to propagate -sMEMORY64 flag to Emscripten
>    dockerfiles: Add support for wasm64 to the wasm Dockerfile
>    .gitlab-ci.d: Add build tests for wasm64

Out of curiosity, since the series is fully reviewed, who is
going to merge it, Paolo or Richard?

Re: [PATCH v5 0/4] wasm: Enable 64bit guests on TCI using wasm64

[Richard Henderson]

On 1/16/26 08:59, Philippe Mathieu-Daudé wrote:
> Hi,
> 
> On 13/1/26 14:54, Kohei Tokunaga wrote:
> 
>> Kohei Tokunaga (4):
>>    meson: Add wasm64 support to the --cpu flag
>>    configure: Enable to propagate -sMEMORY64 flag to Emscripten
>>    dockerfiles: Add support for wasm64 to the wasm Dockerfile
>>    .gitlab-ci.d: Add build tests for wasm64
> 
> Out of curiosity, since the series is fully reviewed, who is
> going to merge it, Paolo or Richard?
> 

I've pulled this into my remove-32 branch, which I'll be re-posting soon.  But if someone 
includes it into a PR first, that's fine too.


r~

Re: [PATCH v5 0/4] wasm: Enable 64bit guests on TCI using wasm64

[Philippe Mathieu-Daudé]

On 16/1/26 01:09, Richard Henderson wrote:
> On 1/16/26 08:59, Philippe Mathieu-Daudé wrote:
>> Hi,
>>
>> On 13/1/26 14:54, Kohei Tokunaga wrote:
>>
>>> Kohei Tokunaga (4):
>>>    meson: Add wasm64 support to the --cpu flag
>>>    configure: Enable to propagate -sMEMORY64 flag to Emscripten
>>>    dockerfiles: Add support for wasm64 to the wasm Dockerfile
>>>    .gitlab-ci.d: Add build tests for wasm64
>>
>> Out of curiosity, since the series is fully reviewed, who is
>> going to merge it, Paolo or Richard?
>>
> 
> I've pulled this into my remove-32 branch, which I'll be re-posting 
> soon.  But if someone includes it into a PR first, that's fine too.

Oh OK great, I'll do that so less to carry then!