system/loongarch/virt.rst

12 -----------------
15 - Gpex host bridge
16 - Ls7a RTC device
17 - Ls7a IOAPIC device
18 - ACPI GED device
19 - Fw_cfg device
20 - PCI/PCIe devices
21 - Memory device
22 - CPU device. Type: la464.
25 --------------------
27 The ``qemu-system-loongarch64`` provides emulation for virt
32 ------------
38 (1) Build qemu-system-loongarch64:
40 .. code-block:: bash
42   ./configure --disable-rdma --prefix=/usr \
43               --target-list="loongarch64-softmmu" \
44               --disable-libiscsi --disable-libnfs --disable-libpmem \
45               --disable-glusterfs --enable-libusb --enable-usb-redir \
46               --disable-opengl --disable-xen --enable-spice \
47               --enable-debug --disable-capstone --disable-kvm \
48               --enable-profiler
49   make -j8
53 .. code-block:: bash
55 …wget https://github.com/loongson/build-tools/releases/download/2022.09.06/loongarch64-clfs-6.3-cro…
57   tar -vxf loongarch64-clfs-6.3-cross-tools-gcc-glibc.tar.xz  -C /opt
59   export PATH=/opt/cross-tools/bin:$PATH
60   export LD_LIBRARY_PATH=/opt/cross-tools/lib:$LD_LIBRARY_PATH
61   export LD_LIBRARY_PATH=/opt/cross-tools/loongarch64-unknown-linux-gnu/lib/:$LD_LIBRARY_PATH
63 Note: You need get the latest cross-tools at https://github.com/loongson/build-tools
69 Note: To build the release version of the bios,  set --buildtarget=RELEASE,
74 .. code-block:: bash
80   git checkout loongarch-next
82   make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- loongson3_defconfig
84   make ARCH=loongarch CROSS_COMPILE=loongarch64-unknown-linux-gnu- -j32
86 Note: The branch of linux source code is loongarch-next.
92   binary files: https://github.com/yangxiaojuan-loongson/qemu-binary
94 .. code-block:: bash
96   git clone https://github.com/yangxiaojuan-loongson/qemu-binary
102 .. code-block:: bash
104   $ ./build/qemu-system-loongarch64 -machine virt -m 4G -cpu la464 \
105       -smp 1 -bios QEMU_EFI.fd -kernel vmlinuz.efi -initrd ramdisk \
106       -serial stdio   -monitor telnet:localhost:4495,server,nowait \
107       -append "root=/dev/ram rdinit=/sbin/init console=ttyS0,115200" \
108       --nographic