Makefile can now build linux/bbl

hardware/vriscv.dts

@@ -0,0 +1,74 @@
+/dts-v1/;
+/ {
+    #address-cells = <1>;
+    #size-cells = <1>;
+    compatible = "riscv-virtio";
+    model = "riscv-virtio,qemu";
+
+    chosen {
+        bootargs = "debug keep_bootcon earlycon=sbi console=sbi";
+        stdout-path = "/uart0@3000000";
+    };
+
+    cpus {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        timebase-frequency = <10000000>;
+
+        cpu0: cpu@0 {
+            device_type = "cpu";
+            reg = <0>;
+            compatible = "riscv";
+            riscv,isa = "riscv,sv32";
+            clock-frequency = <10000000>;
+            cpu0_intc: interrupt-controller {
+                #interrupt-cells = <1>;
+                compatible = "riscv,cpu-intc";
+                interrupt-controller;
+            };
+        };
+    };
+
+    ram: memory@0 {
+        device_type = "memory";
+        reg = <0x0 0xFFFFFFFF>;
+    };
+
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "simple-bus";
+        ranges;
+
+        clint0: clint@2000000 {
+            #interrupt-cells = <1>;
+            compatible = "riscv,clint0";
+            reg = <0x2000000 0xC000>;
+            interrupts-extended =  <&cpu0_intc 3 &cpu0_intc 7>;
+        };
+
+        // /* FIXME: This is probably not correct for now */
+        plic0: interrupt-controller@c000000 {
+            #interrupt-cells = <1>;
+            interrupt-controller;
+            compatible = "riscv,plic0";
+            reg = <0xC000000 0x4000000>;
+            interrupts-extended = <&cpu0_intc 9>, <&cpu0_intc 11>;
+            riscv,ndev = <1>;
+            riscv,max-priority = <7>;
+        };
+
+        // uart0: serial@3000000 {
+        //     interrupts = <0xa>;
+        //     interrupt-parent = <&plic0>;
+        //     clock-frequency = <0x384000>;
+        //     reg = <0x3000000 0x1>;
+        //     compatible = "simple-uart";
+        // };
+    };
+    uart0: serial@3000000 {
+        clock-frequency = <0x384000>;
+        reg = <0x3000000 0x1>;
+        compatible = "sifive,uart0";
+    };
+};