[linux_boot] linux增加跟文件系统

Author: ccj

bsp/qemu-virt64-aarch64/linux.dts

@@ -29,10 +29,17 @@
         compatible = "virtio,mmio";
     };
 
+    virtio_mmio@a000200 {
+        dma-coherent;
+        interrupts = <0x00 0x11 0x01>;
+        reg = <0x00 0xa000200 0x00 0x200>;
+        compatible = "virtio,mmio";
+    };
+
     intc: intc@8000000 {
         phandle = <0x8005>;
         interrupts = <0x01 0x09 0x04>;
-        reg = <0x00 0x8000000 0x00 0x10000 0x00 0x8010000 0x00 0x10000 0x00 0x8030000 0x00 0x10000 0x00 0x8040000 0x00 0x10000>;
+        reg = <0x00 0x8000000 0x00 0x10000 0x00 0x8010000 0x00 0x10000>;
         compatible = "arm,cortex-a15-gic";
         ranges;
         #size-cells = <0x02>;
@@ -69,6 +76,6 @@
     };
 
     chosen {
-        bootargs = "console=hvc0 maxcpus=1 nr_cpus=1 loglevel=8";
+        bootargs = "console=hvc0 maxcpus=1 nr_cpus=1 loglevel=8 root=/dev/vda rw rootwait";
     };
 };

bsp/qemu-virt64-aarch64/xqemu.bat

@@ -10,6 +10,8 @@ qemu-system-aarch64 ^
 -dtb rtt.dtb ^
 -device loader,file=Image,addr=0x48200000,force-raw=on ^
 -device loader,file=linux.dtb,addr=0x4f000000,force-raw=on ^
+-drive if=none,file=ubuntu-rootfs.img,format=raw,id=vdisk0 ^
+-device virtio-blk-device,drive=vdisk0,bus=virtio-mmio-bus.1 ^
 -nographic ^
 -serial mon:stdio ^
 -chardev socket,host=127.0.0.1,port=4322,server=on,wait=off,telnet=on,id=linux_console ^