Move patches to its own directory

lagarto-hun.nix

@@ -126,7 +126,7 @@
         "PLATFORM=fpga/openpiton"
         "FW_PAYLOAD_PATH=${final.uboot}/u-boot-nodtb.bin"
       ];
-      patches = [ ./opensbi-lagarto-hun.patch ];
+      patches = [ ./patches/opensbi-lagarto-hun.patch ];
     });
   }) ];
 }

lagarto-ox.nix

@@ -357,7 +357,7 @@
   nixpkgs.overlays = [ (final: prev: {
     #busybox = prev.busybox.overrideAttrs (old: {
     #  # Print some debug lines on switch_root to see where it hangs.
-    #  patches = (old.patches or []) ++ [ ./busybox-debug.patch ];
+    #  patches = (old.patches or []) ++ [ ./patches/busybox-debug.patch ];
     #});
 
     linuxPackages_latest = prev.linuxPackages_latest;
@@ -396,9 +396,9 @@
       #  rev = "f80a22a480f0e4157647bacf90e663be457c72c4";
       #};
       patches = [
-        #./u-boot-debug.patch
-        ./uboot-debug-ext-interrupts.patch
-        ./uboot-exception-extras.patch
+        #./patches/u-boot-debug.patch
+        ./patches/uboot-debug-ext-interrupts.patch
+        ./patches/uboot-exception-extras.patch
       ];
       # Copy our environment to board/emulation/qemu-riscv/environ.env
       preConfigure = ''
@@ -523,13 +523,13 @@
         "FW_PAYLOAD_FDT_ADDR=0xc0000000"
       ];
       patches = [
-        #./opensbi-timer-debug.patch # Print calls to machine trap
-        #./opensbi-enable-meip.patch
-        #./opensbi-enable-seip.patch
-        #./opensbi-test-plic.patch # Working delegation test, disabled for now
-        ./opensbi-dump-mregs.patch
-        #./opensbi-dont-delegate.patch
-        #./ox-alveo-platform-plic.patch
+        #./patches/opensbi-timer-debug.patch # Print calls to machine trap
+        #./patches/opensbi-enable-meip.patch
+        #./patches/opensbi-enable-seip.patch
+        #./patches/opensbi-test-plic.patch # Working delegation test, disabled for now
+        ./patches/opensbi-dump-mregs.patch
+        #./patches/opensbi-dont-delegate.patch
+        #./patches/ox-alveo-platform-plic.patch
       ];
     });
 
@@ -545,9 +545,9 @@
         ref = "master";
       };
       patches = [
-        ./ethernet-driver-poll.patch
-        ./ethernet-driver-build.patch
-        ./ethernet-driver-kbuild.patch
+        ./patches/ethernet-driver-poll.patch
+        ./patches/ethernet-driver-build.patch
+        ./patches/ethernet-driver-kbuild.patch
       ];
       preConfigure = ''
         export sourceRoot=$PWD/drivers

overlay.nix

@@ -42,10 +42,10 @@ final: prev:
     };
     dontConfigure = true;
     patches = [
-      #./sa-fpga-crt.patch
-      #./sa-fpga-text-address.patch
-      ./sa-fpga-uart.patch
-      ./sa-fpga-plic-registers.patch
+      #./patches/sa-fpga-crt.patch
+      #./patches/sa-fpga-text-address.patch
+      ./patches/sa-fpga-uart.patch
+      ./patches/sa-fpga-plic-registers.patch
     ];
     buildPhase = ''
       cd fpga_core_bridge/simulator/tests/c_tests/