*: fs restructure

environments/dev/cross.nix

@@ -0,0 +1,89 @@
+import /home/steveej/src/github/NixOS/nixpkgs/default.nix {
+  crossSystem = rec {
+    config = "armv7l-unknown-linux-gnueabi";  
+    bigEndian = false;
+    arch = "arm";
+    float = "hard";
+    fpu = "vfpv3-d16";
+    withTLS = true;
+    libc = "glibc";
+    platform = {
+      name = "armv7l-hf-multiplatform";
+      gcc = {
+        arch = "armv7-a";
+        fpu = "neon";
+        float = "hard";
+      };
+      kernelMajor = "2.6"; # Using "2.6" enables 2.6 kernel syscalls in glibc.
+      kernelHeadersBaseConfig = "multi_v7_defconfig";
+      kernelBaseConfig = "multi_v7_defconfig";
+      kernelArch = "arm";
+      kernelDTB = true;
+      kernelAutoModules = false;
+      kernelExtraConfig = ''
+         NAMESPACES y
+           BTRFS_FS y
+           BTRFS_FS_POSIX_ACL y
+           OVERLAY_FS y
+           FUSE_FS y
+        '';
+      kernelTarget = "zImage";
+      uboot = null;
+    };
+    openssl.system = "linux-generic32";
+    gcc = {
+      arch = "armv7-a";
+      fpu = "neon";
+      float = "hard";
+    };
+  };
+}
+#  pkgs.config = {
+#    packageOverrides = super: let self = super.pkgs; in {
+#      linux_4_0 = super.linux_3_18.override {
+#        kernelPatches = super.linux_3_18.kernelPatches ++ [
+#          # we'll also add one of our own patches
+#          { patch = ./dts.patch; name = "dts-fix"; }
+#        ];
+#   
+#        # add "CONFIG_PPP_FILTER y" option to the set of kernel options
+#        extraConfig = ''
+#           HAVE_IMX_ANATOP y
+#           HAVE_IMX_GPC y
+#           HAVE_IMX_MMDC y
+#           HAVE_IMX_SRC y
+#           SOC_IMX6 y
+#           SOC_IMX6Q y
+#           SOC_IMX6SL y
+#           PCI_IMX6 y
+#           ARM_IMX6Q_CPUFREQ y
+#           IMX_WEIM y
+#           AHCI_IMX y
+#           SERIAL_IMX y
+#           SERIAL_IMX_CONSOLE y
+#           I2C_IMX y
+#           SPI_IMX y
+#           PINCTRL_IMX y
+#           PINCTRL_IMX6Q y
+#           PINCTRL_IMX6SL y
+#           POWER_RESET_IMX y
+#           IMX_THERMAL y
+#           IMX2_WDT y
+#           IMX_IPUV3_CORE y
+#           DRM_IMX y
+#           DRM_IMX_FB_HELPER y
+#           DRM_IMX_PARALLEL_DISPLAY y
+#           DRM_IMX_TVE y
+#           DRM_IMX_LDB y
+#           DRM_IMX_IPUV3 y
+#           DRM_IMX_HDMI y
+#           MMC_SDHCI_ESDHC_IMX y
+#           IMX_SDMA y
+#           PWM_IMX y
+#           DEBUG_IMX6Q_UART y
+#
+#           PPP_FILTER y
+#        '';
+#      };
+#    };
+#  };