Place environment in U-Boot

lagarto-ox.nix

@@ -221,6 +221,15 @@
         ./uboot-debug-ext-interrupts.patch
         ./uboot-exception-extras.patch
       ];
+      # Copy our environment to board/emulation/qemu-riscv/environ.env
+      preConfigure = ''
+        cp ${final.uboot-env} board/emulation/qemu-riscv/environ.env
+      '';
+      postConfigure = ''
+        echo --------------------------- generated config:
+        cat .config
+        echo ---------------------------
+      '';
       #
       # CONFIG_SERIAL_PRESENT=n
       # CONFIG_SYS_NS16550=n
@@ -248,6 +257,7 @@
         CONFIG_CMD_MEMTEST=y
         CONFIG_CMD_EXCEPTION=y
         CONFIG_CMD_TIMER=y
+        CONFIG_ENV_SOURCE_FILE="environ"
       ''
 #      # Enable debug logs
 #      +
@@ -259,6 +269,7 @@
 #      ''
       ;
       extraMakeFlags = [
+        "V=1"
         #"KCPPFLAGS=-DLOG_DEBUG"
         #"EXT_DTB=${final.ox-dtb}"
       ];