Introduce RISC-V 64-bit MicroVM support

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>

stratovirt.spec

@@ -6,7 +6,7 @@
 
 Name:           stratovirt
 Version:        2.4.0
-Release:        5
+Release:        6
 Summary:        StratoVirt is an opensource VMM(Virtual Machine Manager) which aims to perform next generation virtualization.
 
 License:        MulanPSL-2.0
@@ -18,7 +18,12 @@ Patch002:0002-snapshot-bugfix-VM-run-failed-from-memory-snapshot.patch
 Patch003:0003-hypervisor-kvm-Fix-setting-core-reg-error-when-resto.patch
 Patch004:0004-micro_comman-syscall-Update-ioctl-allow-list.patch
 
-ExclusiveArch:  x86_64 aarch64
+%ifarch riscv64
+Patch005:0005-update-Rust-VMM-dependencies-and-re-vendor.patch
+Patch006:0006-introduce-riscv64-architecture-support.patch
+%endif
+
+ExclusiveArch:  x86_64 aarch64 riscv64
 
 Requires:       pixman
 Requires:       pixman-devel
@@ -56,6 +61,9 @@ BuildRequires:  rust-packaging
 %define rust_gnu_target aarch64-unknown-linux-gnu
 %define rust_musl_target aarch64-unknown-linux-musl
 %endif
+%ifarch riscv64
+%define rust_gnu_target riscv64gc-unknown-linux-gnu
+%endif
 
 %define _cargo /usr/bin/env CARGO_HOME=.cargo RUSTC_BOOTSTRAP=1 /usr/bin/cargo
 
@@ -67,7 +75,9 @@ Summary:        %{summary}
 %files       -n stratovirt
 %defattr(-,root,root,-)
 %{_bindir}/stratovirt
+%ifnarch riscv64
 %{_libdir}/stratovirt/static/stratovirt
+%endif
 
 %prep
 %autosetup -p1
@@ -90,23 +100,36 @@ sed -i '$adebug = true' ./.cargo/config
 sed -i 's/rustflags = \[/&"-Clink-arg=-lgcc", /' ./.cargo/config
 %endif
 
+%ifnarch riscv64
 %{_cargo} build --release -Z avoid-dev-deps --target=%{rust_musl_target} --features "boot_time pvpanic demo_device vnc vnc_auth ramfb virtio_gpu trace_to_logger trace_to_ftrace trace_to_hitrace"
 
 sed -i 's/rustflags = \[/&"-Clink-arg=-lpixman-1", /' ./.cargo/config
 %{_cargo} build --release -Z avoid-dev-deps --target=%{rust_gnu_target} --features "boot_time pvpanic demo_device vnc vnc_auth ramfb virtio_gpu trace_to_logger trace_to_ftrace trace_to_hitrace"
+%endif
+
+%ifarch riscv64
+%{_cargo} build --release -Z avoid-dev-deps --target=%{rust_gnu_target}
+%endif
 
 %check
+%ifnarch riscv64
 RUST_BACKTRACE=1 cargo test --workspace --exclude mod_test -- --nocapture --test-threads=1
+%endif
 
 %install
 rm -rf %{buildroot}
 install -d %{buildroot}%{_bindir}
 install -D -m555 ./target/%{rust_gnu_target}/release/stratovirt %{buildroot}%{_bindir}
 
+%ifnarch riscv64
 install -d %{buildroot}%{_libdir}/stratovirt/static
 install -D -m555 ./target/%{rust_musl_target}/release/stratovirt %{buildroot}%{_libdir}/stratovirt/static
+%endif
 
 %changelog
+* Fri Dec 20 2024 heruoqing <heruoqing@iscas.ac.cn> 2.4.0-6
+- Introduce riscv64 architecture support
+
 * Tue Dec 17 2024 frankyj915 <yangjieyj.yang@huawei.com> - 2.4.0-5
 - Fix setting core reg error when restoring VM.
 - Update ioctl allow list.