build.sh supports choosing boards

build.sh

@@ -4,9 +4,12 @@ MILKV_BOARD_ARRAY=
 MILKV_BOARD_ARRAY_LEN=
 MILKV_BOARD=
 MILKV_BOARD_CONFIG=
+MILKV_IMAGE_CONFIG=
+MILKV_DEFAULT_BOARD=milkv-duo
 
-MILKV_BOARD_DIR=milkv
+TOP_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
-
+#echo "TOP_DIR: ${TOP_DIR}"
+cd ${TOP_DIR}
 
 function print_info()
 {
@@ -53,22 +56,39 @@ function get_toolchain()
 
 function get_available_board()
 {
-  MILKV_BOARD_ARRAY=( $(cd ${MILKV_BOARD_DIR}/; ls boardconfig*.sh | sort | awk -F"[-.]" -v OFS='-' '{print $2, $3}') )
+  MILKV_BOARD_ARRAY=( $(find device -mindepth 1 -maxdepth 1 -type d -print ! -name "." | awk -F/ '{ print $NF }' | sort) )
   #echo ${MILKV_BOARD_ARRAY[@]}
 
   MILKV_BOARD_ARRAY_LEN=${#MILKV_BOARD_ARRAY[@]}
   if [ $MILKV_BOARD_ARRAY_LEN -eq 0 ]; then
-    echo "No available board config"
+    echo "No available config"
     exit 1
   fi
 
   #echo ${MILKV_BOARD_ARRAY[@]} | xargs -n 1 | sed "=" | sed "N;s/\n/. /"
 }
 
-function choose_milkv_board()
+function choose_board()
 {
-  # TODO
+  echo "Select a target to build:"
-  echo "choose"
+
+  echo ${MILKV_BOARD_ARRAY[@]} | xargs -n 1 | sed "=" | sed "N;s/\n/. /"
+
+  local index
+  read -p "Which would you like: " index
+
+  if [[ -z $index ]]; then
+    echo "Nothing selected."
+    exit 0
+  fi
+
+  if [[ -n $index && $index =~ ^[0-9]+$ && $index -ge 1 && $index -le $MILKV_BOARD_ARRAY_LEN ]]; then
+    MILKV_BOARD="${MILKV_BOARD_ARRAY[$((index - 1))]}"
+    #echo "index: $index, Board: $MILKV_BOARD"
+  else
+    print_err "Invalid input!"
+    exit 1
+  fi
 }
 
 function prepare_env()
@@ -81,7 +101,7 @@ function prepare_env()
   echo "OUTPUT_DIR: ${OUTPUT_DIR}"  # @build/milkvsetup.sh
 }
 
-function milkv_duo_build()
+function milkv_build()
 {
   # clean old img
   old_image_count=`ls ${OUTPUT_DIR}/*.img* | wc -l`
@@ -101,7 +121,7 @@ function milkv_duo_build()
   fi
 }
 
-function milkv_duo_pack()
+function milkv_pack()
 {
   pack_sd_image
 
@@ -134,31 +154,42 @@ function milkv_duo_pack()
   fi
 }
 
-get_toolchain
+function build_info()
+{
+  print_info "Target Board: ${MILKV_BOARD}"
+  print_info "Target Board Config: ${MILKV_BOARD_CONFIG}"
+  print_info "Target Image Config: ${MILKV_IMAGE_CONFIG}"
+}
 
 get_available_board
 
-if [ $MILKV_BOARD_ARRAY_LEN -eq 1 ]; then
+function build_usage()
-  # Only one board
+{
-  print_info "Ready to build: ${MILKV_BOARD_ARRAY[0]}"
+  echo "Usage:"
-  MILKV_BOARD=${MILKV_BOARD_ARRAY[0]}
+  echo "${BASH_SOURCE[0]}              - Show this menu"
-else
+  echo "${BASH_SOURCE[0]} lunch        - Select a board to build"
-  # no arg
+  echo "${BASH_SOURCE[0]} [board]      - Build [board] directly, supported boards as follows:"
-  if [ $# -lt 1 ]; then
-    choose_milkv_board || exit 0
-  fi
 
-  # with board name
+  for board in "${MILKV_BOARD_ARRAY[@]}"; do
-  if [ $# -ge 1 ]; then
+    print_info "$board"
+  done
+}
+
+if [ $# -ge 1 ]; then
+  if [ "$1" = "lunch" ]; then
+    choose_board || exit 0
+  else
     if [[ ${MILKV_BOARD_ARRAY[@]} =~ (^|[[:space:]])"${1}"($|[[:space:]]) ]]; then
       MILKV_BOARD=${1}
-      echo "$MILKV_BOARD"
+      #echo "$MILKV_BOARD"
     else
       print_err "${1} not supported!"
       echo "Available boards: [ ${MILKV_BOARD_ARRAY[@]} ]"
       exit 1
     fi
   fi
+else
+  build_usage && exit 0
 fi
 
 if [ -z "${MILKV_BOARD// }" ]; then
@@ -166,17 +197,26 @@ if [ -z "${MILKV_BOARD// }" ]; then
   exit 1
 fi
 
-export MILKV_BOARD="${MILKV_BOARD}"
+MILKV_BOARD_CONFIG=device/${MILKV_BOARD}/boardconfig.sh
-
+MILKV_IMAGE_CONFIG=device/${MILKV_BOARD}/genimage.cfg
-MILKV_BOARD_CONFIG=${MILKV_BOARD_DIR}/boardconfig-${MILKV_BOARD}.sh
 
 if [ ! -f ${MILKV_BOARD_CONFIG} ]; then
   print_err "${MILKV_BOARD_CONFIG} not found!"
   exit 1
 fi
 
+if [ ! -f ${MILKV_IMAGE_CONFIG} ]; then
+  print_err "${MILKV_IMAGE_CONFIG} not found!"
+  exit 1
+fi
+
+get_toolchain
+
+build_info
+
+export MILKV_BOARD="${MILKV_BOARD}"
+
 prepare_env
 
-milkv_duo_build
+milkv_build
-milkv_duo_pack
+milkv_pack
-

build/Makefile

@@ -577,7 +577,7 @@ endif
 
 # copy milkv overlay files
 ifeq ($(MV_VENDOR), milkv)
-	${Q}cp -arf $(TOP_DIR)/$(MV_VENDOR)/overlay/* $(BR_ROOTFS_DIR)/
+	${Q}cp -arf $(TOP_DIR)/device/$(MV_BOARD)/overlay/* $(BR_ROOTFS_DIR)/
 endif
 # strip
 	${Q}find $(BR_ROOTFS_DIR) -name "*.ko" -type f -printf 'striping %p\n' -exec $(CROSS_COMPILE_KERNEL)strip --strip-unneeded {} \;
@@ -621,7 +621,7 @@ else
 	${Q}ln -s $(OUTPUT_DIR)/rootfs $(OUTPUT_DIR)/fs
 endif
 ifeq ($(MV_VENDOR), milkv)
-	$(TOP_DIR)/$(MV_VENDOR)/gen_burn_image_sd.sh $(OUTPUT_DIR)
+	$(TOP_DIR)/device/gen_burn_image_sd.sh $(OUTPUT_DIR)
 else
 	$(COMMON_TOOLS_PATH)/sd_tools/sd_gen_burn_image.sh $(OUTPUT_DIR)
 endif

build/milkvsetup.sh

@@ -550,9 +550,13 @@ function cvi_setup_env()
   export SYSTEM_OUT_DIR
   export CROSS_COMPILE_PATH
   # buildroot config
+  if [ -z "${MV_BOARD// }" ]; then
+    print_error "No MV_BOARD specified!"
+    return 1
+  fi
   export BR_DIR="$TOP_DIR"/buildroot-2021.05
-  export BR_BOARD=milkv_duo_${SDK_VER}
+  export BR_BOARD=${MV_BOARD}_${SDK_VER}
-  export BR_OVERLAY_DIR=${BR_DIR}/board/milkv/duo/overlay
+  export BR_OVERLAY_DIR=${BR_DIR}/board/${MV_VENDOR}/${MV_BOARD}/overlay
   export BR_DEFCONFIG=${BR_BOARD}_defconfig
   export BR_ROOTFS_DIR="$OUTPUT_DIR"/tmp-rootfs
 }

buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig

@@ -59,7 +59,7 @@ BR2_BZCAT="bzcat"
 BR2_XZCAT="xzcat"
 BR2_LZCAT="lzip -d -c"
 BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv_duo_musl_riscv64_defconfig"
+BR2_DEFCONFIG="./configs/milkv-duo_musl_riscv64_defconfig"
 BR2_DL_DIR="$(TOPDIR)/dl"
 BR2_HOST_DIR="$(BASE_DIR)/host"
 
@@ -203,7 +203,7 @@ BR2_TOOLCHAIN_HAS_ATOMIC=y
 BR2_ROOTFS_SKELETON_DEFAULT=y
 # BR2_ROOTFS_SKELETON_CUSTOM is not set
 BR2_TARGET_GENERIC_HOSTNAME="milkv-duo"
-BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V"
+BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V Duo"
 BR2_TARGET_GENERIC_PASSWD_SHA256=y
 # BR2_TARGET_GENERIC_PASSWD_SHA512 is not set
 BR2_TARGET_GENERIC_PASSWD_METHOD="sha-256"
@@ -249,7 +249,7 @@ BR2_ENABLE_LOCALE_WHITELIST="C en_US"
 # BR2_SYSTEM_ENABLE_NLS is not set
 # BR2_TARGET_TZ_INFO is not set
 BR2_ROOTFS_USERS_TABLES=""
-BR2_ROOTFS_OVERLAY="board/milkv/duo/overlay"
+BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo/overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT=""
 BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
 BR2_ROOTFS_POST_IMAGE_SCRIPT=""

device/gen_burn_image_sd.sh

@@ -34,11 +34,11 @@ pushd ${output_dir}
 
 [ -d tmp ] && rm -rf tmp
 
-genimage --config ${TOP_DIR}/milkv/genimage-${MILKV_BOARD}.cfg --rootpath fs/ --inputpath ${PWD} --outputpath ${PWD}
+genimage --config ${TOP_DIR}/device/${MV_BOARD}/genimage.cfg --rootpath fs/ --inputpath ${PWD} --outputpath ${PWD}
 if [ $? -eq 0 ]; then
-    echo "gnimage for ${MILKV_BOARD} success!"
+    echo "gnimage for ${MV_BOARD} success!"
 else
-    echo "gnimage for ${MILKV_BOARD} failed!"
+    echo "gnimage for ${MV_BOARD} failed!"
 fi
 
 popd

device/milkv-duo/boardconfig.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+export MV_BOARD=milkv-duo
 export MV_BOARD_CPU=cv1800b
 export MV_VENDOR=milkv
 export MV_BUILD_ENV=milkvsetup.sh

device/milkv-duo/overlay/mnt/system/blink.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+LED_PIN=440
+
+LED_GPIO=/sys/class/gpio/gpio${LED_PIN}
+
+if test -d ${LED_GPIO}; then
+    echo "PIN ${LED_PIN} already exported"
+else
+    echo ${LED_PIN} > /sys/class/gpio/export
+fi
+
+echo out > ${LED_GPIO}/direction
+
+while true; do
+    echo 0 > ${LED_GPIO}/value
+    sleep 0.5
+    echo 1 > ${LED_GPIO}/value
+    sleep 0.5
+done
+

milkv/overlay/mnt/system/blink.sh

@@ -1,19 +0,0 @@
-#!/bin/sh
-
-LED_GPIO=/sys/class/gpio/gpio440
-
-if test -d $LED_GPIO; then
-    echo "GPIO440 already exported"
-else
-    echo 440 > /sys/class/gpio/export
-fi
-
-echo out > $LED_GPIO/direction
-
-while true; do
-    echo 0 > $LED_GPIO/value
-    sleep 0.5
-    echo 1 > $LED_GPIO/value
-    sleep 0.5
-done
-