Add TDX compilation test

.github/workflows/test_asterinas.yml

@@ -24,6 +24,22 @@ jobs:
         id: check
         run: make check
 
+  compilation:
+    if: github.event_name == 'push' || github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    container: asterinas/asterinas:0.9.4
+    steps:
+      - run: echo "Running in asterinas/asterinas:0.9.4"
+
+      - uses: actions/checkout@v4
+
+      # The compilation test builds the project with all features enabled.
+      # In contrast, subsequent tests may choose to enable select features.
+      - name: Compilation
+        id: compilation
+        run: make build FEATURES=all
+
   unit-test:
     if: github.event_name == 'push' || github.event_name == 'pull_request'
     runs-on: ubuntu-latest

Makefile

@@ -32,6 +32,7 @@ GDB_PROFILE_INTERVAL ?= 0.1
 AUTO_TEST ?= none
 EXTRA_BLOCKLISTS_DIRS ?= ""
 SYSCALL_TEST_DIR ?= /tmp
+FEATURES ?=
 # End of auto test features.
 
 # Network settings
@@ -87,6 +88,10 @@ else
 CARGO_OSDK_ARGS += --boot-method="$(BOOT_METHOD)"
 endif
 
+ifdef FEATURES
+CARGO_OSDK_ARGS += --features="$(FEATURES)"
+endif
+
 # To test the linux-efi-handover64 boot protocol, we need to use Debian's
 # GRUB release, which is installed in /usr/bin in our Docker image.
 ifeq ($(BOOT_PROTOCOL), linux-efi-handover64)

kernel/Cargo.toml

@@ -70,4 +70,6 @@ version = "1.0"
 features = ["spin_no_std"]
 
 [features]
+all = ["cvm_guest"]
+
 cvm_guest = ["dep:tdx-guest", "ostd/cvm_guest"]