[feat] support shm simplex inter-VM communication channel

Boot-on-qemu.md

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+## Compile AxVisor
+
+* get deps
+```bash
+./tool/dev_env.py
+cd crates/arceos && git checkout rk3588_jd4_qemu
+cd crates/axvm && git checkout ivc
+cd crates/axvcpu && git checkout ivc
+cd crates/arm_vcpu && git checkout ivc_and_4lpt
+cd crates/axaddrspace && git checkout 4_level_paging
+cd crates/axhvc && git checkout ivc
+```
+
+
+```bash
+make ARCH=aarch64 LOG=info VM_CONFIGS=configs/vms/linux-qemu-aarch64.toml:configs/vms/arceos-aarch64.toml GICV3=y NET=y SMP=2 run DISK_IMG=/home/hky/workspace/Linux/ubuntu-22.04-rootfs_ext4.img SECOND_SERIAL=y
+
+telnet localhost 4321
+```
+
+## Test AxVisor IVC
+
+* Compile arceos ivc tester as guest VM 2
+
+repo: https://github.com/arceos-hypervisor/arceos/tree/ivc_tester
+
+```bash
+make ARCH=aarch64 A=examples/ivc_tester defconfig
+make ARCH=aarch64 A=examples/ivc_tester build
+# You can get `examples/ivc_tester/ivc_tester_aarch64-qemu-virt.bin`,
+# whose path should be set to `kernel_path` field in `configs/vms/arceos-aarch64.toml`.
+```
+
+* Build and install axvisor-driver
+
+```bash
+git clone [email protected]:arceos-hypervisor/axvisor-tools.git --branch ivc
+```
+
+see its [README](https://github.com/arceos-hypervisor/axvisor-tools/blob/ivc/axvisor-driver/README.md) about how to compile it and how to subscribe messages from guest ArceOS's ivc publisher.

Boot-on-rk3588.md

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+## Setup TFTP Server
+
+```bash
+sudo apt-get install tftpd-hpa tftp-hpa
+sudo chmod 777 /srv/tftp
+```
+
+judge if TFTP works
+
+```bash
+echo "TFTP Server Test" > /srv/tftp/testfile.txt
+tftp localhost
+tftp> get testfile.txt
+tftp> quit
+cat testfile.txt 
+```
+
+You should see `TFTP Server Test` on your screen.
+
+## Compile device tree
+
+```bash
+dtc -o aio-rk3588-jd4.dtb -O dtb -I dts aio-rk3588-jd4.dts
+```
+
+## Prepare Linux kernel bianry
+
+```bash
+scp [email protected]:/home/xxx/firefly_rk3588_SDK/kernel/arch/arm64/boot/Image configs/vms/Image.bin
+```
+
+## Compile AxVisor
+
+* get deps
+```bash
+./tool/dev_env.py
+cd crates/arceos && git checkout rk3588_jd4
+```
+
+* compile
+
+```bash
+make ARCH=aarch64 PLATFORM=configs/platforms/aarch64-rk3588j-hv.toml defconfig
+make ARCH=aarch64 PLATFORM=configs/platforms/aarch64-rk3588j-hv.toml VM_CONFIGS=configs/vms/linux-rk3588-aarch64-smp.toml LOG=debug GICV3=y upload
+```
+
+* copy to tftp dir (make xxx upload will copy the image to `/srv/tftp/axvisor` automatically)
+
+```bash
+cp axvisor_aarch64-rk3588j.img /srv/tftp/axvisor
+```
+
+## rk3588 console
+
+上电，在 uboot 中 ctrl+C
+
+```bash
+# 这是 tftp 服务器所在的主机 ip
+setenv serverip 192.168.50.97
+# 这是 rk3588 所在设备的 ip (Firefly Linux 自己 DHCP 拿到的地址)
+setenv ipaddr 192.168.50.8 
+# 使用 tftp 加载镜像到指定内存地址并 boot
+setenv serverip 192.168.50.97;setenv ipaddr 192.168.50.8;tftp 0x00480000 ${serverip}:axvisor;tftp 0x10000000 ${serverip}:rk3588_dtb.bin;bootm 0x00480000 - 0x10000000;
+```
+tftp 0x00480000 ${serverip}:Image.bin;tftp 0x10000000 ${serverip}:rk3588_dtb.bin;bootm 0x00480000 - 0x10000000;