diff --git a/.github/ci/build-xtensa.sh b/.github/ci/build-xtensa.sh
new file mode 100755
index 000000000..a13391c82
--- /dev/null
+++ b/.github/ci/build-xtensa.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+## on push branch~=gh-readonly-queue/main/.*
+## on pull_request
+
+set -euo pipefail
+
+export RUSTUP_HOME=/ci/cache/rustup
+export CARGO_HOME=/ci/cache/cargo
+export CARGO_TARGET_DIR=/ci/cache/target
+
+# needed for "dumb HTTP" transport support
+# used when pointing stm32-metapac to a CI-built one.
+export CARGO_NET_GIT_FETCH_WITH_CLI=true
+
+cargo install espup
+/ci/cache/cargo/bin/espup install
+
+# Restore lockfiles
+if [ -f /ci/cache/lockfiles.tar ]; then
+    echo Restoring lockfiles...
+    tar xf /ci/cache/lockfiles.tar
+fi
+
+hashtime restore /ci/cache/filetime.json || true
+hashtime save /ci/cache/filetime.json
+
+mkdir .cargo
+cat > .cargo/config.toml<< EOF
+[unstable]
+build-std = ["alloc", "core"]
+EOF
+
+./ci-xtensa.sh
+
+# Save lockfiles
+echo Saving lockfiles...
+find . -type f -name Cargo.lock -exec tar -cf /ci/cache/lockfiles.tar '{}' \+
diff --git a/ci-xtensa.sh b/ci-xtensa.sh
new file mode 100755
index 000000000..32d362def
--- /dev/null
+++ b/ci-xtensa.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+set -eo pipefail
+
+export RUSTFLAGS=-Dwarnings
+export DEFMT_LOG=trace,embassy_hal_internal=debug,embassy_net_esp_hosted=debug,cyw43=info,cyw43_pio=info,smoltcp=info
+export RUSTUP_TOOLCHAIN=esp
+if [[ -z "${CARGO_TARGET_DIR}" ]]; then
+    export CARGO_TARGET_DIR=target_ci
+fi
+
+cargo batch \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features log \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32s2-none-elf --features defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features defmt,arch-spin,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32s2-none-elf --features defmt,arch-spin,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32s3-none-elf --features defmt,arch-spin,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin,rtos-trace \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin,integrated-timers,rtos-trace \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin,executor-thread \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target xtensa-esp32-none-elf --features arch-spin,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-sync/Cargo.toml --target xtensa-esp32s2-none-elf --features defmt \
+    --- build --release --manifest-path embassy-time/Cargo.toml --target xtensa-esp32s2-none-elf --features defmt,defmt-timestamp-uptime,generic-queue-8,mock-driver \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,medium-ethernet,packet-trace \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,multicast,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,dhcpv4,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,dhcpv4,medium-ethernet,dhcpv4-hostname \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv6,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv6,medium-ieee802154 \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv6,medium-ethernet,medium-ieee802154 \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv6,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,proto-ipv6,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,proto-ipv6,medium-ip \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,proto-ipv6,medium-ip,medium-ethernet \
+    --- build --release --manifest-path embassy-net/Cargo.toml --target xtensa-esp32-none-elf --features defmt,tcp,udp,dns,proto-ipv4,proto-ipv6,medium-ip,medium-ethernet,medium-ieee802154 \
\ No newline at end of file