Add RISC-V VirtIO profile

base.nix

@@ -347,4 +347,5 @@
 } // lib.optionalAttrs hostPlatform.is64bit {
   "64BIT" = option yes;
 } // lib.optionalAttrs hostPlatform.isx86 (import ./x86.nix args)
+// lib.optionalAttrs hostPlatform.isRiscV (import ./riscv.nix args)
 // lib.optionalAttrs hostPlatform.isAarch64 (import ./arm64.nix args)

profiles.nix

@@ -33,6 +33,13 @@
       firmware = [ ];
     };
   };
+  riscv64-linux = {
+    qemu-virtio = {
+      arch = "rv64gc";
+      config = ./riscv/qemu-virtio.nix;
+      firmware = [ ];
+    };
+  };
   aarch64-linux = {
     qemu-virtio = {
       arch = "armv8-a";

riscv.nix

@@ -0,0 +1,6 @@
+{ lib, ... }: with lib.kernel; {
+  ARCH_RV64I = yes;
+  COMPAT = no;
+
+  ACPI_CPPC_CPUFREQ = yes;
+}

riscv/qemu-virtio.nix

@@ -0,0 +1,5 @@
+{ lib, ... }@args: with lib.kernel;
+
+import ../qemu-virtio.nix args // {
+  ARCH_VIRT = yes;
+}