diff --git a/buildroot-2021.05/configs/milkv-duo-spinand_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo-spinand_musl_riscv64_defconfig
index 606e0ece7..152b77cad 100644
--- a/buildroot-2021.05/configs/milkv-duo-spinand_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo-spinand_musl_riscv64_defconfig
@@ -10,12 +10,7 @@ BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V Duo"
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
 BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo-spinand/overlay"
 BR2_PACKAGE_CVI_PINMUX=y
-BR2_PACKAGE_CVI_PINMUX_CV180X=y
-# BR2_PACKAGE_CVI_PINMUX_SG200X is not set
 BR2_PACKAGE_DUO_PINMUX=y
-BR2_PACKAGE_DUO_PINMUX_DUO=y
-# BR2_PACKAGE_DUO_PINMUX_DUO256M is not set
-# BR2_PACKAGE_DUO_PINMUX_DUOS is not set
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_E2FSPROGS=y
diff --git a/buildroot-2021.05/configs/milkv-duo-spinor_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo-spinor_musl_riscv64_defconfig
index 7e7e4be9f..34ba3204c 100644
--- a/buildroot-2021.05/configs/milkv-duo-spinor_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo-spinor_musl_riscv64_defconfig
@@ -10,12 +10,7 @@ BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V Duo"
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
 BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo-spinor/overlay"
 BR2_PACKAGE_CVI_PINMUX=y
-BR2_PACKAGE_CVI_PINMUX_CV180X=y
-# BR2_PACKAGE_CVI_PINMUX_SG200X is not set
 BR2_PACKAGE_DUO_PINMUX=y
-BR2_PACKAGE_DUO_PINMUX_DUO=y
-# BR2_PACKAGE_DUO_PINMUX_DUO256M is not set
-# BR2_PACKAGE_DUO_PINMUX_DUOS is not set
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_E2FSPROGS=y
diff --git a/buildroot-2021.05/configs/milkv-duo256m-spinand_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m-spinand_musl_riscv64_defconfig
index 90419dcd9..a0890cda0 100644
--- a/buildroot-2021.05/configs/milkv-duo256m-spinand_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m-spinand_musl_riscv64_defconfig
@@ -10,10 +10,8 @@ BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V Duo 256M"
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
 BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo256m-spinand/overlay"
 BR2_PACKAGE_CVI_PINMUX=y
-# BR2_PACKAGE_CVI_PINMUX_CV180X is not set
 BR2_PACKAGE_CVI_PINMUX_SG200X=y
 BR2_PACKAGE_DUO_PINMUX=y
-# BR2_PACKAGE_DUO_PINMUX_DUO is not set
 BR2_PACKAGE_DUO_PINMUX_DUO256M=y
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
diff --git a/buildroot-2021.05/configs/milkv-duo256m-spinor_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m-spinor_musl_riscv64_defconfig
index 38d285e94..0a1e4d6d9 100644
--- a/buildroot-2021.05/configs/milkv-duo256m-spinor_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m-spinor_musl_riscv64_defconfig
@@ -10,10 +10,8 @@ BR2_TARGET_GENERIC_ISSUE="Welcome to Milk-V Duo 256M"
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
 BR2_ROOTFS_OVERLAY="board/milkv/milkv-duo256m-spinor/overlay"
 BR2_PACKAGE_CVI_PINMUX=y
-# BR2_PACKAGE_CVI_PINMUX_CV180X is not set
 BR2_PACKAGE_CVI_PINMUX_SG200X=y
 BR2_PACKAGE_DUO_PINMUX=y
-# BR2_PACKAGE_DUO_PINMUX_DUO is not set
 BR2_PACKAGE_DUO_PINMUX_DUO256M=y
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
diff --git a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
index 6604a1492..422c5874a 100644
--- a/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo256m_musl_riscv64_defconfig
@@ -1,556 +1,84 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# Buildroot -g8c59e72e33-dirty Configuration
-#
-BR2_HAVE_DOT_CONFIG=y
-BR2_HOST_GCC_AT_LEAST_4_9=y
-BR2_HOST_GCC_AT_LEAST_5=y
-BR2_HOST_GCC_AT_LEAST_6=y
-BR2_HOST_GCC_AT_LEAST_7=y
-
-#
-# Target options
-#
-BR2_ARCH_IS_64=y
-BR2_ARCH_HAS_MMU_MANDATORY=y
 BR2_riscv=y
-BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_5=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_6=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_7=y
-BR2_ARCH="riscv64"
-BR2_ENDIAN="LITTLE"
-BR2_GCC_TARGET_ABI="lp64d"
-BR2_BINFMT_SUPPORTS_SHARED=y
-BR2_READELF_ARCH_NAME="RISC-V"
-BR2_BINFMT_ELF=y
-BR2_RISCV_ISA_RVI=y
-BR2_RISCV_ISA_RVM=y
-BR2_RISCV_ISA_RVA=y
-BR2_RISCV_ISA_RVF=y
-BR2_RISCV_ISA_RVD=y
-BR2_riscv_g=y
-# BR2_riscv_custom is not set
-# BR2_RISCV_32 is not set
-BR2_RISCV_64=y
-# BR2_RISCV_ABI_LP64 is not set
-# BR2_RISCV_ABI_LP64F is not set
-BR2_RISCV_ABI_LP64D=y
-
-#
-# Build options
-#
-
-#
-# Commands
-#
-BR2_WGET="wget --passive-ftp -nd -t 3"
-BR2_SVN="svn --non-interactive"
-BR2_BZR="bzr"
-BR2_GIT="git"
-BR2_CVS="cvs"
-BR2_LOCALFILES="cp"
-BR2_SCP="scp"
-BR2_HG="hg"
-BR2_ZCAT="gzip -d -c"
-BR2_BZCAT="bzcat"
-BR2_XZCAT="xzcat"
-BR2_LZCAT="lzip -d -c"
-BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duo256m_musl_riscv64_defconfig"
-BR2_DL_DIR="$(TOPDIR)/dl"
-BR2_HOST_DIR="$(BASE_DIR)/host"
-
-#
-# Mirrors and Download locations
-#
-BR2_PRIMARY_SITE=""
-BR2_BACKUP_SITE="http://sources.buildroot.net"
-BR2_KERNEL_MIRROR="https://cdn.kernel.org/pub"
-BR2_GNU_MIRROR="http://ftpmirror.gnu.org"
-BR2_LUAROCKS_MIRROR="http://rocks.moonscript.org"
-BR2_CPAN_MIRROR="http://cpan.metacpan.org"
-BR2_JLEVEL=0
-# BR2_CCACHE is not set
-# BR2_ENABLE_DEBUG is not set
-BR2_STRIP_strip=y
-BR2_STRIP_EXCLUDE_FILES=""
-BR2_STRIP_EXCLUDE_DIRS=""
-# BR2_OPTIMIZE_0 is not set
-# BR2_OPTIMIZE_1 is not set
-# BR2_OPTIMIZE_2 is not set
-# BR2_OPTIMIZE_3 is not set
-# BR2_OPTIMIZE_G is not set
-BR2_OPTIMIZE_S=y
-# BR2_OPTIMIZE_FAST is not set
-# BR2_STATIC_LIBS is not set
-BR2_SHARED_LIBS=y
-# BR2_SHARED_STATIC_LIBS is not set
-BR2_PACKAGE_OVERRIDE_FILE="$(CONFIG_DIR)/local.mk"
-BR2_GLOBAL_PATCH_DIR=""
-
-#
-# Advanced
-#
-BR2_COMPILER_PARANOID_UNSAFE_PATH=y
-# BR2_FORCE_HOST_BUILD is not set
-# BR2_REPRODUCIBLE is not set
 BR2_PER_PACKAGE_DIRECTORIES=y
-
-#
-# Security Hardening Options
-#
-BR2_PIC_PIE=y
-# BR2_SSP_NONE is not set
-# BR2_SSP_REGULAR is not set
-BR2_SSP_STRONG=y
-# BR2_SSP_ALL is not set
-BR2_SSP_OPTION="-fstack-protector-strong"
-# BR2_RELRO_NONE is not set
-# BR2_RELRO_PARTIAL is not set
-BR2_RELRO_FULL=y
-
-#
-# Fortify Source needs a glibc toolchain and optimization
-#
-
-#
-# Toolchain
-#
-BR2_TOOLCHAIN=y
-BR2_TOOLCHAIN_USES_MUSL=y
-# BR2_TOOLCHAIN_BUILDROOT is not set
 BR2_TOOLCHAIN_EXTERNAL=y
-
-#
-# Toolchain External Options
-#
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
-# BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD is not set
-BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y
-# BR2_TOOLCHAIN_EXTERNAL_PATH="/data/sam/sdk/cv180x_v400/host-tools/gcc/riscv64-linux-musl-x86_64"
-BR2_TOOLCHAIN_EXTERNAL_MUSL=y
-BR2_PACKAGE_HAS_TOOLCHAIN_EXTERNAL=y
-BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL="toolchain-external-custom"
-BR2_TOOLCHAIN_EXTERNAL_PREFIX="riscv64-unknown-linux-musl"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="riscv64-unknown-linux-musl"
-BR2_TOOLCHAIN_EXTERNAL_GCC_10=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_10=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP_STRONG=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
-#
-# Toolchain Generic Options
-#
-BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS=y
-BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK=y
-BR2_USE_WCHAR=y
-BR2_ENABLE_LOCALE=y
-BR2_INSTALL_LIBSTDCPP=y
-BR2_TOOLCHAIN_HAS_THREADS=y
-BR2_TOOLCHAIN_HAS_THREADS_DEBUG=y
-BR2_TOOLCHAIN_HAS_THREADS_NPTL=y
-BR2_TOOLCHAIN_HAS_SSP=y
-BR2_TOOLCHAIN_HAS_SSP_STRONG=y
-BR2_TOOLCHAIN_HAS_UCONTEXT=y
-BR2_TOOLCHAIN_SUPPORTS_PIE=y
-BR2_TOOLCHAIN_EXTRA_LIBS=""
-BR2_USE_MMU=y
-BR2_TARGET_OPTIMIZATION=""
 BR2_TARGET_LDFLAGS="-mcpu=c906fdv -march=rv64imafdcv0p7xthead -mcmodel=medany -mabi=lp64d"
-# BR2_ECLIPSE_REGISTER is not set
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="5.10"
-BR2_TOOLCHAIN_GCC_AT_LEAST_10=y
-BR2_TOOLCHAIN_GCC_AT_LEAST="10"
-BR2_TOOLCHAIN_HAS_MNAN_OPTION=y
-BR2_TOOLCHAIN_HAS_SYNC_1=y
-BR2_TOOLCHAIN_HAS_SYNC_2=y
-BR2_TOOLCHAIN_HAS_SYNC_4=y
-BR2_TOOLCHAIN_HAS_SYNC_8=y
-BR2_TOOLCHAIN_HAS_LIBATOMIC=y
-BR2_TOOLCHAIN_HAS_ATOMIC=y
-
-#
-# System configuration
-#
-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 Duo 256M"
-BR2_TARGET_GENERIC_PASSWD_SHA256=y
-# BR2_TARGET_GENERIC_PASSWD_SHA512 is not set
-BR2_TARGET_GENERIC_PASSWD_METHOD="sha-256"
-BR2_INIT_BUSYBOX=y
-# BR2_INIT_SYSV is not set
-# BR2_INIT_OPENRC is not set
-
-#
-# systemd needs a glibc toolchain w/ SSP, headers >= 3.10, host and target gcc >= 5
-#
-# BR2_INIT_NONE is not set
-# BR2_ROOTFS_DEVICE_CREATION_STATIC is not set
-BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV is not set
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV is not set
-BR2_ROOTFS_DEVICE_TABLE="system/device_table.txt"
-# BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES is not set
-# BR2_ROOTFS_MERGED_USR is not set
-BR2_TARGET_ENABLE_ROOT_LOGIN=y
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
-BR2_SYSTEM_BIN_SH_BUSYBOX=y
-
-#
-# bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
-#
-# BR2_SYSTEM_BIN_SH_NONE is not set
-BR2_TARGET_GENERIC_GETTY=y
-BR2_TARGET_GENERIC_GETTY_PORT="console"
-BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP=y
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200 is not set
-BR2_TARGET_GENERIC_GETTY_BAUDRATE="0"
-BR2_TARGET_GENERIC_GETTY_TERM="vt100"
-BR2_TARGET_GENERIC_GETTY_OPTIONS=""
-BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW=y
-BR2_SYSTEM_DHCP=""
-BR2_SYSTEM_DEFAULT_PATH="/bin:/sbin:/usr/bin:/usr/sbin"
-BR2_ENABLE_LOCALE_PURGE=y
-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/milkv-duo256m/overlay"
-BR2_ROOTFS_POST_BUILD_SCRIPT=""
-BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
-BR2_ROOTFS_POST_IMAGE_SCRIPT=""
-
-#
-# Kernel
-#
-# BR2_LINUX_KERNEL is not set
-
-#
-# Target packages
-#
-BR2_PACKAGE_BUSYBOX=y
-BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
-BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
-# BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
-# BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_CVI_PINMUX=y
-# BR2_PACKAGE_CVI_PINMUX_CV180X is not set
 BR2_PACKAGE_CVI_PINMUX_SG200X=y
 BR2_PACKAGE_DUO_PINMUX=y
-# BR2_PACKAGE_DUO_PINMUX_DUO is not set
 BR2_PACKAGE_DUO_PINMUX_DUO256M=y
-# BR2_PACKAGE_DUO_PINMUX_DUOS is not set
 BR2_PACKAGE_DUO_WIRINGX=y
-BR2_PACKAGE_SKELETON=y
-BR2_PACKAGE_HAS_SKELETON=y
-BR2_PACKAGE_PROVIDES_SKELETON="skeleton-init-sysv"
-BR2_PACKAGE_SKELETON_INIT_COMMON=y
-BR2_PACKAGE_SKELETON_INIT_SYSV=y
-
-#
-# dt needs a glibc or uClibc toolchain w/ threads
-#
-# BR2_PACKAGE_DUMA is not set
+BR2_PACKAGE_ALSA_UTILS=y
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
 BR2_PACKAGE_FIO=y
-BR2_PACKAGE_GDB_ARCH_SUPPORTS=y
 BR2_PACKAGE_GDB=y
-# BR2_PACKAGE_IOZONE is not set
-
-#
-# ktap needs a Linux kernel to be built
-#
-# BR2_PACKAGE_LATENCYTOP is not set
-# BR2_PACKAGE_LMBENCH is not set
-BR2_PACKAGE_LTP_TESTSUITE_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LTP_TESTSUITE is not set
-# BR2_PACKAGE_LTTNG_BABELTRACE is not set
-
-#
-# Development tools
-#
-BR2_PACKAGE_PROVIDES_HOST_GETTEXT="host-gettext-tiny"
-
-#
-# Filesystem and flash utilities
-#
-# BR2_PACKAGE_ABOOTIMG is not set
-
-#
-# davfs2 needs a glibc or uClibc toolchain
-#
-# BR2_PACKAGE_DOSFSTOOLS is not set
-BR2_PACKAGE_E2FSPROGS=y
-# BR2_PACKAGE_E2FSPROGS_DEBUGFS is not set
-# BR2_PACKAGE_E2FSPROGS_E2IMAGE is not set
-
-BR2_PACKAGE_HOST_GENIMAGE=y
-
-#
-# e2scrub needs bash, coreutils, lvm2, and util-linux
-#
-# BR2_PACKAGE_E2FSPROGS_E4DEFRAG is not set
-BR2_PACKAGE_E2FSPROGS_FSCK=y
-# BR2_PACKAGE_E2FSPROGS_FUSE2FS is not set
-BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
-
-#
-# eudev needs eudev /dev management
-#
-# BR2_PACKAGE_EVEMU is not set
-BR2_PACKAGE_EVTEST=y
-# BR2_PACKAGE_FAN_CTRL is not set
-# BR2_PACKAGE_FCONFIG is not set
-BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
-
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
-BR2_PACKAGE_PYTHON_NUMPY=y
-
-#
-# Compression and decompression
-#
-BR2_PACKAGE_PROVIDES_HOST_ZLIB="host-libzlib"
-# BR2_PACKAGE_ZZIPLIB is not set
-
-#
-# Crypto
-#
-# BR2_PACKAGE_BEARSSL is not set
-# BR2_PACKAGE_BEECRYPT is not set
-BR2_PACKAGE_BOTAN_ARCH_SUPPORTS=y
-# BR2_PACKAGE_BOTAN is not set
-BR2_PACKAGE_CA_CERTIFICATES=y
-
-#
-# cryptodev needs a Linux kernel to be built
-#
-BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBGPG_ERROR is not set
-BR2_PACKAGE_LIBGPG_ERROR_SYSCFG="riscv64-unknown-linux-gnu"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_OPENSSL=y
-BR2_PACKAGE_LIBOPENSSL=y
-BR2_PACKAGE_LIBOPENSSL_TARGET_ARCH="linux-generic64 no-asm"
-BR2_PACKAGE_LIBOPENSSL_BIN=y
-BR2_PACKAGE_LIBOPENSSL_ENGINES=y
-# BR2_PACKAGE_LIBRESSL is not set
-BR2_PACKAGE_HAS_OPENSSL=y
-BR2_PACKAGE_PROVIDES_OPENSSL="libopenssl"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_FREETYPE=y
-
-BR2_PACKAGE_LIBUSB=y
-BR2_PACKAGE_LIBUSB_EXAMPLES=y
-
-#
-# JSON/XML
-#
-BR2_PACKAGE_JSON_C=y
-
-#
-# Multimedia
-#
-BR2_PACKAGE_LIBCAMERA_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBCAMERA is not set
-
-#
-# Networking
-#
-BR2_PACKAGE_LIBCURL=y
-BR2_PACKAGE_LIBCURL_CURL=y
-BR2_PACKAGE_LIBCURL_VERBOSE=y
-BR2_PACKAGE_LIBCURL_PROXY_SUPPORT=y
-BR2_PACKAGE_LIBCURL_COOKIES_SUPPORT=y
-BR2_PACKAGE_LIBCURL_EXTRA_PROTOCOLS_FEATURES=y
-BR2_PACKAGE_LIBCURL_OPENSSL=y
-# BR2_PACKAGE_LIBCURL_TLS_NONE is not set
-
-#
-# libcgroup needs a glibc toolchain w/ C++
-#
-BR2_PACKAGE_MUSL_COMPAT_HEADERS=y
-# BR2_PACKAGE_MUSL_FTS is not set
-# BR2_PACKAGE_ORC is not set
-# BR2_PACKAGE_P11_KIT is not set
-BR2_PACKAGE_POCO_ARCH_SUPPORTS=y
-# BR2_PACKAGE_POCO is not set
-BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS=y
-# BR2_PACKAGE_PROTOBUF is not set
-# BR2_PACKAGE_PROTOBUF_C is not set
-
-#
-# vdr needs a glibc toolchain w/ C++, dynamic library, NPTL, wchar, headers >= 3.9
-#
-BR2_PACKAGE_WGET=y
-BR2_PACKAGE_WPA_SUPPLICANT=y
-BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
-BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
-BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
-# BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE is not set
-BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
-# BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
-
-#
-# System tools
-#
-BR2_PACKAGE_COREUTILS=y
-
-#
-# emlog needs a Linux kernel to be built
-#
-BR2_PACKAGE_HTOP=y
-BR2_PACKAGE_INITSCRIPTS=y
-
-#
-# iotop depends on python or python3
-#
-# BR2_PACKAGE_IPRUTILS is not set
-# BR2_PACKAGE_IRQBALANCE is not set
-# BR2_PACKAGE_KEYUTILS is not set
-BR2_PACKAGE_KMOD=y
-
-#
-# unscd needs a glibc toolchain
-#
-BR2_PACKAGE_UTIL_LINUX=y
-BR2_PACKAGE_UTIL_LINUX_LIBBLKID=y
-# BR2_PACKAGE_UTIL_LINUX_LIBFDISK is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBMOUNT is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS is not set
-BR2_PACKAGE_UTIL_LINUX_LIBUUID=y
-BR2_PACKAGE_UTIL_LINUX_BINARIES=y
-
-#
-# su needs a uClibc or glibc toolchain w/ wchar, locale, dynamic library
-#
-BR2_PACKAGE_UTIL_LINUX_UUIDD=y
-
-#
-# Filesystem images
-#
-BR2_TARGET_ROOTFS_EXT2=y
-# BR2_TARGET_ROOTFS_EXT2_2r0 is not set
-# BR2_TARGET_ROOTFS_EXT2_2r1 is not set
-# BR2_TARGET_ROOTFS_EXT2_3 is not set
-BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_GEN=4
-BR2_TARGET_ROOTFS_EXT2_REV=1
-BR2_TARGET_ROOTFS_EXT2_LABEL="rootfs"
-BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
-BR2_TARGET_ROOTFS_EXT2_INODES=0
-BR2_TARGET_ROOTFS_EXT2_RESBLKS=5
-BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O ^64bit"
-BR2_TARGET_ROOTFS_EXT2_NONE=y
-
-#
-# initramfs needs a Linux kernel to be built
-#
-BR2_TARGET_ROOTFS_TAR=y
-BR2_TARGET_ROOTFS_TAR_XZ=y
-BR2_TARGET_ROOTFS_TAR_OPTIONS=""
-
-#
-# Host utilities
-#
-BR2_PACKAGE_HOST_E2FSPROGS=y
-BR2_PACKAGE_HOST_UTIL_LINUX=y
-
-#
-# Legacy options removed in 2019.11
-#
-BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS=""
-
-#
-# Legacy options removed in 2017.08
-#
-# BR2_TARGET_GRUB is not set
-# BR2_PACKAGE_SIMICSFS is not set
-# BR2_BINUTILS_VERSION_2_26_X is not set
-BR2_XTENSA_OVERLAY_DIR=""
-BR2_XTENSA_CUSTOM_NAME=""
-# BR2_PACKAGE_HOST_MKE2IMG is not set
-BR2_TARGET_ROOTFS_EXT2_BLOCKS=0
-BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES=0
-
-#
-# Legacy options removed in 2017.05
-#
-BR2_TARGET_ROOTFS_EXT2_EXTRA_BLOCKS=0
-
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_STRESS_NG=y
-
-#
-# NetworkManager needs udev /dev management and a glibc toolchain w/ headers >= 3.2, dynamic library, wchar, threads
-#
-
+BR2_PACKAGE_TREE=y
+BR2_PACKAGE_E2FSPROGS=y
+BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
+BR2_PACKAGE_EVTEST=y
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_NUMPY=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_PSUTIL=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBOPENSSL_BIN=y
+BR2_PACKAGE_LIBOPENSSL_ENGINES=y
+BR2_PACKAGE_FREETYPE=y
+BR2_PACKAGE_LIBUSB=y
+BR2_PACKAGE_LIBUSB_EXAMPLES=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_LIBCURL_CURL=y
+BR2_PACKAGE_LIBCURL_VERBOSE=y
 BR2_PACKAGE_DHCPCD=y
 BR2_PACKAGE_DNSMASQ=y
 BR2_PACKAGE_DROPBEAR=y
-BR2_PACKAGE_DROPBEAR_CLIENT=y
-# BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS is not set
-BR2_PACKAGE_DROPBEAR_SMALL=y
-# BR2_PACKAGE_DROPBEAR_WTMP is not set
-# BR2_PACKAGE_DROPBEAR_LASTLOG is not set
-# BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO is not set
-# BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE=""
-
 BR2_PACKAGE_IPERF3=y
 BR2_PACKAGE_NTP=y
 BR2_PACKAGE_NTP_NTPDATE=y
 BR2_PACKAGE_NTP_NTPTIME=y
-BR2_PACKAGE_TREE=y
+BR2_PACKAGE_WGET=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
 BR2_PACKAGE_BASH_LOADABLE_EXAMPLES=y
 BR2_PACKAGE_BASH_COMPLETION=y
 BR2_PACKAGE_FILE=y
 BR2_PACKAGE_NEOFETCH=y
+BR2_PACKAGE_COREUTILS=y
+BR2_PACKAGE_HTOP=y
+BR2_PACKAGE_KMOD=y
+BR2_PACKAGE_UTIL_LINUX_BINARIES=y
+BR2_PACKAGE_UTIL_LINUX_UUIDD=y
 BR2_PACKAGE_NANO=y
 BR2_PACKAGE_VIM=y
-BR2_PACKAGE_NCURSES_WCHAR=y
-
-#
-# Custom Package
-#
 BR2_PACKAGE_NCNN=y
 BR2_PACKAGE_NCNN_BENCH=y
 BR2_PACKAGE_NCNN_EXAMPLE=y
 BR2_PACKAGE_CMATRIX=y
-
-BR2_PACKAGE_ALSA_LIB=y
-BR2_PACKAGE_ALSA_UTILS=y
-BR2_PACKAGE_ALSA_UTILS_ALSACTL=y
-BR2_PACKAGE_ALSA_UTILS_ALSAMIXER=y
-BR2_PACKAGE_ALSA_UTILS_AMIXER=y
-BR2_PACKAGE_ALSA_UTILS_APLAY=y
-BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
+BR2_TARGET_ROOTFS_TAR_XZ=y
+BR2_PACKAGE_HOST_GENIMAGE=y
diff --git a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
index abd010a5b..fdb37f6d2 100644
--- a/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duo_musl_riscv64_defconfig
@@ -1,562 +1,71 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# Buildroot -g8c59e72e33-dirty Configuration
-#
-BR2_HAVE_DOT_CONFIG=y
-BR2_HOST_GCC_AT_LEAST_4_9=y
-BR2_HOST_GCC_AT_LEAST_5=y
-BR2_HOST_GCC_AT_LEAST_6=y
-BR2_HOST_GCC_AT_LEAST_7=y
-
-#
-# Target options
-#
-BR2_ARCH_IS_64=y
-BR2_ARCH_HAS_MMU_MANDATORY=y
 BR2_riscv=y
-BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_5=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_6=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_7=y
-BR2_ARCH="riscv64"
-BR2_ENDIAN="LITTLE"
-BR2_GCC_TARGET_ABI="lp64d"
-BR2_BINFMT_SUPPORTS_SHARED=y
-BR2_READELF_ARCH_NAME="RISC-V"
-BR2_BINFMT_ELF=y
-BR2_RISCV_ISA_RVI=y
-BR2_RISCV_ISA_RVM=y
-BR2_RISCV_ISA_RVA=y
-BR2_RISCV_ISA_RVF=y
-BR2_RISCV_ISA_RVD=y
-BR2_riscv_g=y
-# BR2_riscv_custom is not set
-# BR2_RISCV_32 is not set
-BR2_RISCV_64=y
-# BR2_RISCV_ABI_LP64 is not set
-# BR2_RISCV_ABI_LP64F is not set
-BR2_RISCV_ABI_LP64D=y
-
-#
-# Build options
-#
-
-#
-# Commands
-#
-BR2_WGET="wget --passive-ftp -nd -t 3"
-BR2_SVN="svn --non-interactive"
-BR2_BZR="bzr"
-BR2_GIT="git"
-BR2_CVS="cvs"
-BR2_LOCALFILES="cp"
-BR2_SCP="scp"
-BR2_HG="hg"
-BR2_ZCAT="gzip -d -c"
-BR2_BZCAT="bzcat"
-BR2_XZCAT="xzcat"
-BR2_LZCAT="lzip -d -c"
-BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duo_musl_riscv64_defconfig"
-BR2_DL_DIR="$(TOPDIR)/dl"
-BR2_HOST_DIR="$(BASE_DIR)/host"
-
-#
-# Mirrors and Download locations
-#
-BR2_PRIMARY_SITE=""
-BR2_BACKUP_SITE="http://sources.buildroot.net"
-BR2_KERNEL_MIRROR="https://cdn.kernel.org/pub"
-BR2_GNU_MIRROR="http://ftpmirror.gnu.org"
-BR2_LUAROCKS_MIRROR="http://rocks.moonscript.org"
-BR2_CPAN_MIRROR="http://cpan.metacpan.org"
-BR2_JLEVEL=0
-# BR2_CCACHE is not set
-# BR2_ENABLE_DEBUG is not set
-BR2_STRIP_strip=y
-BR2_STRIP_EXCLUDE_FILES=""
-BR2_STRIP_EXCLUDE_DIRS=""
-# BR2_OPTIMIZE_0 is not set
-# BR2_OPTIMIZE_1 is not set
-# BR2_OPTIMIZE_2 is not set
-# BR2_OPTIMIZE_3 is not set
-# BR2_OPTIMIZE_G is not set
-BR2_OPTIMIZE_S=y
-# BR2_OPTIMIZE_FAST is not set
-# BR2_STATIC_LIBS is not set
-BR2_SHARED_LIBS=y
-# BR2_SHARED_STATIC_LIBS is not set
-BR2_PACKAGE_OVERRIDE_FILE="$(CONFIG_DIR)/local.mk"
-BR2_GLOBAL_PATCH_DIR=""
-
-#
-# Advanced
-#
-BR2_COMPILER_PARANOID_UNSAFE_PATH=y
-# BR2_FORCE_HOST_BUILD is not set
-# BR2_REPRODUCIBLE is not set
 BR2_PER_PACKAGE_DIRECTORIES=y
-
-#
-# Security Hardening Options
-#
-BR2_PIC_PIE=y
-# BR2_SSP_NONE is not set
-# BR2_SSP_REGULAR is not set
-BR2_SSP_STRONG=y
-# BR2_SSP_ALL is not set
-BR2_SSP_OPTION="-fstack-protector-strong"
-# BR2_RELRO_NONE is not set
-# BR2_RELRO_PARTIAL is not set
-BR2_RELRO_FULL=y
-
-#
-# Fortify Source needs a glibc toolchain and optimization
-#
-
-#
-# Toolchain
-#
-BR2_TOOLCHAIN=y
-BR2_TOOLCHAIN_USES_MUSL=y
-# BR2_TOOLCHAIN_BUILDROOT is not set
 BR2_TOOLCHAIN_EXTERNAL=y
-
-#
-# Toolchain External Options
-#
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
-# BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD is not set
-BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y
-# BR2_TOOLCHAIN_EXTERNAL_PATH="/data/sam/sdk/cv180x_v400/host-tools/gcc/riscv64-linux-musl-x86_64"
-BR2_TOOLCHAIN_EXTERNAL_MUSL=y
-BR2_PACKAGE_HAS_TOOLCHAIN_EXTERNAL=y
-BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL="toolchain-external-custom"
-BR2_TOOLCHAIN_EXTERNAL_PREFIX="riscv64-unknown-linux-musl"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="riscv64-unknown-linux-musl"
-BR2_TOOLCHAIN_EXTERNAL_GCC_10=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_10=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP_STRONG=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
-#
-# Toolchain Generic Options
-#
-BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS=y
-BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK=y
-BR2_USE_WCHAR=y
-BR2_ENABLE_LOCALE=y
-BR2_INSTALL_LIBSTDCPP=y
-BR2_TOOLCHAIN_HAS_THREADS=y
-BR2_TOOLCHAIN_HAS_THREADS_DEBUG=y
-BR2_TOOLCHAIN_HAS_THREADS_NPTL=y
-BR2_TOOLCHAIN_HAS_SSP=y
-BR2_TOOLCHAIN_HAS_SSP_STRONG=y
-BR2_TOOLCHAIN_HAS_UCONTEXT=y
-BR2_TOOLCHAIN_SUPPORTS_PIE=y
-BR2_TOOLCHAIN_EXTRA_LIBS=""
-BR2_USE_MMU=y
-BR2_TARGET_OPTIMIZATION=""
 BR2_TARGET_LDFLAGS="-mcpu=c906fdv -march=rv64imafdcv0p7xthead -mcmodel=medany -mabi=lp64d"
-# BR2_ECLIPSE_REGISTER is not set
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_1=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_3=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_4=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_5=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_6=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_7=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_8=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_9=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="5.10"
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_3=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_4=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_5=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_6=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_7=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_8=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_4_9=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_5=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_6=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_7=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_8=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_9=y
-BR2_TOOLCHAIN_GCC_AT_LEAST_10=y
-BR2_TOOLCHAIN_GCC_AT_LEAST="10"
-BR2_TOOLCHAIN_HAS_MNAN_OPTION=y
-BR2_TOOLCHAIN_HAS_SYNC_1=y
-BR2_TOOLCHAIN_HAS_SYNC_2=y
-BR2_TOOLCHAIN_HAS_SYNC_4=y
-BR2_TOOLCHAIN_HAS_SYNC_8=y
-BR2_TOOLCHAIN_HAS_LIBATOMIC=y
-BR2_TOOLCHAIN_HAS_ATOMIC=y
-
-#
-# System configuration
-#
-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 Duo"
-BR2_TARGET_GENERIC_PASSWD_SHA256=y
-# BR2_TARGET_GENERIC_PASSWD_SHA512 is not set
-BR2_TARGET_GENERIC_PASSWD_METHOD="sha-256"
-BR2_INIT_BUSYBOX=y
-# BR2_INIT_SYSV is not set
-# BR2_INIT_OPENRC is not set
-
-#
-# systemd needs a glibc toolchain w/ SSP, headers >= 3.10, host and target gcc >= 5
-#
-# BR2_INIT_NONE is not set
-# BR2_ROOTFS_DEVICE_CREATION_STATIC is not set
-BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV is not set
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV is not set
-BR2_ROOTFS_DEVICE_TABLE="system/device_table.txt"
-# BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES is not set
-# BR2_ROOTFS_MERGED_USR is not set
-BR2_TARGET_ENABLE_ROOT_LOGIN=y
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
-BR2_SYSTEM_BIN_SH_BUSYBOX=y
-
-#
-# bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
-#
-# BR2_SYSTEM_BIN_SH_NONE is not set
-BR2_TARGET_GENERIC_GETTY=y
-BR2_TARGET_GENERIC_GETTY_PORT="console"
-BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP=y
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200 is not set
-BR2_TARGET_GENERIC_GETTY_BAUDRATE="0"
-BR2_TARGET_GENERIC_GETTY_TERM="vt100"
-BR2_TARGET_GENERIC_GETTY_OPTIONS=""
-BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW=y
-BR2_SYSTEM_DHCP=""
-BR2_SYSTEM_DEFAULT_PATH="/bin:/sbin:/usr/bin:/usr/sbin"
-BR2_ENABLE_LOCALE_PURGE=y
-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/milkv-duo/overlay"
-BR2_ROOTFS_POST_BUILD_SCRIPT=""
-BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
-BR2_ROOTFS_POST_IMAGE_SCRIPT=""
-
-#
-# Kernel
-#
-# BR2_LINUX_KERNEL is not set
-
-#
-# Target packages
-#
-BR2_PACKAGE_BUSYBOX=y
-BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
-BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
-# BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
-# BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_CVI_PINMUX=y
-BR2_PACKAGE_CVI_PINMUX_CV180X=y
-# BR2_PACKAGE_CVI_PINMUX_SG200X is not set
 BR2_PACKAGE_DUO_PINMUX=y
-BR2_PACKAGE_DUO_PINMUX_DUO=y
-# BR2_PACKAGE_DUO_PINMUX_DUO256M is not set
-# BR2_PACKAGE_DUO_PINMUX_DUOS is not set
 BR2_PACKAGE_DUO_WIRINGX=y
-BR2_PACKAGE_SKELETON=y
-BR2_PACKAGE_HAS_SKELETON=y
-BR2_PACKAGE_PROVIDES_SKELETON="skeleton-init-sysv"
-BR2_PACKAGE_SKELETON_INIT_COMMON=y
-BR2_PACKAGE_SKELETON_INIT_SYSV=y
-
-#
-# dt needs a glibc or uClibc toolchain w/ threads
-#
-# BR2_PACKAGE_DUMA is not set
+BR2_PACKAGE_ALSA_UTILS=y
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
 BR2_PACKAGE_FIO=y
-BR2_PACKAGE_GDB_ARCH_SUPPORTS=y
 BR2_PACKAGE_GDB=y
-# BR2_PACKAGE_IOZONE is not set
-
-#
-# ktap needs a Linux kernel to be built
-#
-# BR2_PACKAGE_LATENCYTOP is not set
-# BR2_PACKAGE_LMBENCH is not set
-BR2_PACKAGE_LTP_TESTSUITE_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LTP_TESTSUITE is not set
-# BR2_PACKAGE_LTTNG_BABELTRACE is not set
-
-#
-# Development tools
-#
-BR2_PACKAGE_PROVIDES_HOST_GETTEXT="host-gettext-tiny"
-
-#
-# Filesystem and flash utilities
-#
-# BR2_PACKAGE_ABOOTIMG is not set
-
-#
-# davfs2 needs a glibc or uClibc toolchain
-#
-# BR2_PACKAGE_DOSFSTOOLS is not set
-BR2_PACKAGE_E2FSPROGS=y
-# BR2_PACKAGE_E2FSPROGS_DEBUGFS is not set
-# BR2_PACKAGE_E2FSPROGS_E2IMAGE is not set
-
-BR2_PACKAGE_HOST_GENIMAGE=y
-
-#
-# e2scrub needs bash, coreutils, lvm2, and util-linux
-#
-# BR2_PACKAGE_E2FSPROGS_E4DEFRAG is not set
-BR2_PACKAGE_E2FSPROGS_FSCK=y
-# BR2_PACKAGE_E2FSPROGS_FUSE2FS is not set
-BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
-
-#
-# eudev needs eudev /dev management
-#
-# BR2_PACKAGE_EVEMU is not set
-BR2_PACKAGE_EVTEST=y
-# BR2_PACKAGE_FAN_CTRL is not set
-# BR2_PACKAGE_FCONFIG is not set
-BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
-
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PINPONG=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
-#
-# Compression and decompression
-#
-BR2_PACKAGE_PROVIDES_HOST_ZLIB="host-libzlib"
-# BR2_PACKAGE_ZZIPLIB is not set
-
-#
-# Crypto
-#
-# BR2_PACKAGE_BEARSSL is not set
-# BR2_PACKAGE_BEECRYPT is not set
-BR2_PACKAGE_BOTAN_ARCH_SUPPORTS=y
-# BR2_PACKAGE_BOTAN is not set
-BR2_PACKAGE_CA_CERTIFICATES=y
-
-#
-# cryptodev needs a Linux kernel to be built
-#
-BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBGPG_ERROR is not set
-BR2_PACKAGE_LIBGPG_ERROR_SYSCFG="riscv64-unknown-linux-gnu"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_OPENSSL=y
-BR2_PACKAGE_LIBOPENSSL=y
-BR2_PACKAGE_LIBOPENSSL_TARGET_ARCH="linux-generic64 no-asm"
-BR2_PACKAGE_LIBOPENSSL_BIN=y
-BR2_PACKAGE_LIBOPENSSL_ENGINES=y
-# BR2_PACKAGE_LIBRESSL is not set
-BR2_PACKAGE_HAS_OPENSSL=y
-BR2_PACKAGE_PROVIDES_OPENSSL="libopenssl"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_FREETYPE=y
-
-BR2_PACKAGE_LIBUSB=y
-BR2_PACKAGE_LIBUSB_EXAMPLES=y
-
-#
-# JSON/XML
-#
-BR2_PACKAGE_JSON_C=y
-
-#
-# Multimedia
-#
-BR2_PACKAGE_LIBCAMERA_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBCAMERA is not set
-
-#
-# Networking
-#
-BR2_PACKAGE_LIBCURL=y
-BR2_PACKAGE_LIBCURL_CURL=y
-BR2_PACKAGE_LIBCURL_VERBOSE=y
-BR2_PACKAGE_LIBCURL_PROXY_SUPPORT=y
-BR2_PACKAGE_LIBCURL_COOKIES_SUPPORT=y
-BR2_PACKAGE_LIBCURL_EXTRA_PROTOCOLS_FEATURES=y
-BR2_PACKAGE_LIBCURL_OPENSSL=y
-# BR2_PACKAGE_LIBCURL_TLS_NONE is not set
-
-#
-# libcgroup needs a glibc toolchain w/ C++
-#
-BR2_PACKAGE_MUSL_COMPAT_HEADERS=y
-# BR2_PACKAGE_MUSL_FTS is not set
-# BR2_PACKAGE_ORC is not set
-# BR2_PACKAGE_P11_KIT is not set
-BR2_PACKAGE_POCO_ARCH_SUPPORTS=y
-# BR2_PACKAGE_POCO is not set
-BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS=y
-# BR2_PACKAGE_PROTOBUF is not set
-# BR2_PACKAGE_PROTOBUF_C is not set
-
-#
-# vdr needs a glibc toolchain w/ C++, dynamic library, NPTL, wchar, headers >= 3.9
-#
-BR2_PACKAGE_WGET=y
-BR2_PACKAGE_WPA_SUPPLICANT=y
-BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
-BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
-BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
-# BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE is not set
-BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
-# BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
-
-#
-# System tools
-#
-BR2_PACKAGE_COREUTILS=y
-
-#
-# emlog needs a Linux kernel to be built
-#
-BR2_PACKAGE_HTOP=y
-BR2_PACKAGE_INITSCRIPTS=y
-
-#
-# iotop depends on python or python3
-#
-# BR2_PACKAGE_IPRUTILS is not set
-# BR2_PACKAGE_IRQBALANCE is not set
-# BR2_PACKAGE_KEYUTILS is not set
-BR2_PACKAGE_KMOD=y
-
-#
-# unscd needs a glibc toolchain
-#
-BR2_PACKAGE_UTIL_LINUX=y
-BR2_PACKAGE_UTIL_LINUX_LIBBLKID=y
-# BR2_PACKAGE_UTIL_LINUX_LIBFDISK is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBMOUNT is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS is not set
-BR2_PACKAGE_UTIL_LINUX_LIBUUID=y
-BR2_PACKAGE_UTIL_LINUX_BINARIES=y
-
-#
-# su needs a uClibc or glibc toolchain w/ wchar, locale, dynamic library
-#
-BR2_PACKAGE_UTIL_LINUX_UUIDD=y
-
-#
-# Filesystem images
-#
-BR2_TARGET_ROOTFS_EXT2=y
-# BR2_TARGET_ROOTFS_EXT2_2r0 is not set
-# BR2_TARGET_ROOTFS_EXT2_2r1 is not set
-# BR2_TARGET_ROOTFS_EXT2_3 is not set
-BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_GEN=4
-BR2_TARGET_ROOTFS_EXT2_REV=1
-BR2_TARGET_ROOTFS_EXT2_LABEL="rootfs"
-BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
-BR2_TARGET_ROOTFS_EXT2_INODES=0
-BR2_TARGET_ROOTFS_EXT2_RESBLKS=5
-BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O ^64bit"
-BR2_TARGET_ROOTFS_EXT2_NONE=y
-
-#
-# initramfs needs a Linux kernel to be built
-#
-BR2_TARGET_ROOTFS_TAR=y
-BR2_TARGET_ROOTFS_TAR_XZ=y
-BR2_TARGET_ROOTFS_TAR_OPTIONS=""
-
-#
-# Host utilities
-#
-BR2_PACKAGE_HOST_E2FSPROGS=y
-BR2_PACKAGE_HOST_UTIL_LINUX=y
-
-#
-# Legacy options removed in 2019.11
-#
-BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS=""
-
-#
-# Legacy options removed in 2017.08
-#
-# BR2_TARGET_GRUB is not set
-# BR2_PACKAGE_SIMICSFS is not set
-# BR2_BINUTILS_VERSION_2_26_X is not set
-BR2_XTENSA_OVERLAY_DIR=""
-BR2_XTENSA_CUSTOM_NAME=""
-# BR2_PACKAGE_HOST_MKE2IMG is not set
-BR2_TARGET_ROOTFS_EXT2_BLOCKS=0
-BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES=0
-
-#
-# Legacy options removed in 2017.05
-#
-BR2_TARGET_ROOTFS_EXT2_EXTRA_BLOCKS=0
-
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_STRESS_NG=y
-
-#
-# NetworkManager needs udev /dev management and a glibc toolchain w/ headers >= 3.2, dynamic library, wchar, threads
-#
-
+BR2_PACKAGE_E2FSPROGS=y
+BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
+BR2_PACKAGE_EVTEST=y
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_PINPONG=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_PSUTIL=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBOPENSSL_BIN=y
+BR2_PACKAGE_LIBOPENSSL_ENGINES=y
+BR2_PACKAGE_FREETYPE=y
+BR2_PACKAGE_LIBUSB=y
+BR2_PACKAGE_LIBUSB_EXAMPLES=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_LIBCURL_CURL=y
+BR2_PACKAGE_LIBCURL_VERBOSE=y
 BR2_PACKAGE_DHCPCD=y
 BR2_PACKAGE_DNSMASQ=y
 BR2_PACKAGE_DROPBEAR=y
-BR2_PACKAGE_DROPBEAR_CLIENT=y
-# BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS is not set
-BR2_PACKAGE_DROPBEAR_SMALL=y
-# BR2_PACKAGE_DROPBEAR_WTMP is not set
-# BR2_PACKAGE_DROPBEAR_LASTLOG is not set
-# BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO is not set
-# BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE=""
-
 BR2_PACKAGE_IPERF3=y
 BR2_PACKAGE_NTP=y
 BR2_PACKAGE_NTP_NTPDATE=y
 BR2_PACKAGE_NTP_NTPTIME=y
-
-BR2_PACKAGE_ALSA_LIB=y
-BR2_PACKAGE_ALSA_UTILS=y
-BR2_PACKAGE_ALSA_UTILS_ALSACTL=y
-BR2_PACKAGE_ALSA_UTILS_ALSAMIXER=y
-BR2_PACKAGE_ALSA_UTILS_AMIXER=y
-BR2_PACKAGE_ALSA_UTILS_APLAY=y
-BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
+BR2_PACKAGE_WGET=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
+BR2_PACKAGE_COREUTILS=y
+BR2_PACKAGE_HTOP=y
+BR2_PACKAGE_KMOD=y
+BR2_PACKAGE_UTIL_LINUX_BINARIES=y
+BR2_PACKAGE_UTIL_LINUX_UUIDD=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
+BR2_TARGET_ROOTFS_TAR_XZ=y
+BR2_PACKAGE_HOST_GENIMAGE=y
diff --git a/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
index adbe9d4b6..7437c5171 100644
--- a/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duos-emmc_musl_riscv64_defconfig
@@ -1,554 +1,80 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# Buildroot -g8c59e72e33-dirty Configuration
-#
-BR2_HAVE_DOT_CONFIG=y
-BR2_HOST_GCC_AT_LEAST_4_9=y
-BR2_HOST_GCC_AT_LEAST_5=y
-BR2_HOST_GCC_AT_LEAST_6=y
-BR2_HOST_GCC_AT_LEAST_7=y
-
-#
-# Target options
-#
-BR2_ARCH_IS_64=y
-BR2_ARCH_HAS_MMU_MANDATORY=y
 BR2_riscv=y
-BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_5=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_6=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_7=y
-BR2_ARCH="riscv64"
-BR2_ENDIAN="LITTLE"
-BR2_GCC_TARGET_ABI="lp64d"
-BR2_BINFMT_SUPPORTS_SHARED=y
-BR2_READELF_ARCH_NAME="RISC-V"
-BR2_BINFMT_ELF=y
-BR2_RISCV_ISA_RVI=y
-BR2_RISCV_ISA_RVM=y
-BR2_RISCV_ISA_RVA=y
-BR2_RISCV_ISA_RVF=y
-BR2_RISCV_ISA_RVD=y
-BR2_riscv_g=y
-# BR2_riscv_custom is not set
-# BR2_RISCV_32 is not set
-BR2_RISCV_64=y
-# BR2_RISCV_ABI_LP64 is not set
-# BR2_RISCV_ABI_LP64F is not set
-BR2_RISCV_ABI_LP64D=y
-
-#
-# Build options
-#
-
-#
-# Commands
-#
-BR2_WGET="wget --passive-ftp -nd -t 3"
-BR2_SVN="svn --non-interactive"
-BR2_BZR="bzr"
-BR2_GIT="git"
-BR2_CVS="cvs"
-BR2_LOCALFILES="cp"
-BR2_SCP="scp"
-BR2_HG="hg"
-BR2_ZCAT="gzip -d -c"
-BR2_BZCAT="bzcat"
-BR2_XZCAT="xzcat"
-BR2_LZCAT="lzip -d -c"
-BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duos-emmc_musl_riscv64_defconfig"
-BR2_DL_DIR="$(TOPDIR)/dl"
-BR2_HOST_DIR="$(BASE_DIR)/host"
-
-#
-# Mirrors and Download locations
-#
-BR2_PRIMARY_SITE=""
-BR2_BACKUP_SITE="http://sources.buildroot.net"
-BR2_KERNEL_MIRROR="https://cdn.kernel.org/pub"
-BR2_GNU_MIRROR="http://ftpmirror.gnu.org"
-BR2_LUAROCKS_MIRROR="http://rocks.moonscript.org"
-BR2_CPAN_MIRROR="http://cpan.metacpan.org"
-BR2_JLEVEL=0
-# BR2_CCACHE is not set
-# BR2_ENABLE_DEBUG is not set
-BR2_STRIP_strip=y
-BR2_STRIP_EXCLUDE_FILES=""
-BR2_STRIP_EXCLUDE_DIRS=""
-# BR2_OPTIMIZE_0 is not set
-# BR2_OPTIMIZE_1 is not set
-# BR2_OPTIMIZE_2 is not set
-# BR2_OPTIMIZE_3 is not set
-# BR2_OPTIMIZE_G is not set
-BR2_OPTIMIZE_S=y
-# BR2_OPTIMIZE_FAST is not set
-# BR2_STATIC_LIBS is not set
-BR2_SHARED_LIBS=y
-# BR2_SHARED_STATIC_LIBS is not set
-BR2_PACKAGE_OVERRIDE_FILE="$(CONFIG_DIR)/local.mk"
-BR2_GLOBAL_PATCH_DIR=""
-
-#
-# Advanced
-#
-BR2_COMPILER_PARANOID_UNSAFE_PATH=y
-# BR2_FORCE_HOST_BUILD is not set
-# BR2_REPRODUCIBLE is not set
 BR2_PER_PACKAGE_DIRECTORIES=y
-
-#
-# Security Hardening Options
-#
-BR2_PIC_PIE=y
-# BR2_SSP_NONE is not set
-# BR2_SSP_REGULAR is not set
-BR2_SSP_STRONG=y
-# BR2_SSP_ALL is not set
-BR2_SSP_OPTION="-fstack-protector-strong"
-# BR2_RELRO_NONE is not set
-# BR2_RELRO_PARTIAL is not set
-BR2_RELRO_FULL=y
-
-#
-# Fortify Source needs a glibc toolchain and optimization
-#
-
-#
-# Toolchain
-#
-BR2_TOOLCHAIN=y
-BR2_TOOLCHAIN_USES_MUSL=y
-# BR2_TOOLCHAIN_BUILDROOT is not set
 BR2_TOOLCHAIN_EXTERNAL=y
-
-#
-# Toolchain External Options
-#
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
-# BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD is not set
-BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y
-# BR2_TOOLCHAIN_EXTERNAL_PATH="/data/sam/sdk/cv180x_v400/host-tools/gcc/riscv64-linux-musl-x86_64"
-BR2_TOOLCHAIN_EXTERNAL_MUSL=y
-BR2_PACKAGE_HAS_TOOLCHAIN_EXTERNAL=y
-BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL="toolchain-external-custom"
-BR2_TOOLCHAIN_EXTERNAL_PREFIX="riscv64-unknown-linux-musl"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="riscv64-unknown-linux-musl"
-BR2_TOOLCHAIN_EXTERNAL_GCC_10=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_10=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP_STRONG=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
-#
-# Toolchain Generic Options
-#
-BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS=y
-BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK=y
-BR2_USE_WCHAR=y
-BR2_ENABLE_LOCALE=y
-BR2_INSTALL_LIBSTDCPP=y
-BR2_TOOLCHAIN_HAS_THREADS=y
-BR2_TOOLCHAIN_HAS_THREADS_DEBUG=y
-BR2_TOOLCHAIN_HAS_THREADS_NPTL=y
-BR2_TOOLCHAIN_HAS_SSP=y
-BR2_TOOLCHAIN_HAS_SSP_STRONG=y
-BR2_TOOLCHAIN_HAS_UCONTEXT=y
-BR2_TOOLCHAIN_SUPPORTS_PIE=y
-BR2_TOOLCHAIN_EXTRA_LIBS=""
-BR2_USE_MMU=y
-BR2_TARGET_OPTIMIZATION=""
 BR2_TARGET_LDFLAGS="-mcpu=c906fdv -march=rv64imafdcv0p7xthead -mcmodel=medany -mabi=lp64d"
-# BR2_ECLIPSE_REGISTER is not set
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="5.10"
-BR2_TOOLCHAIN_GCC_AT_LEAST_10=y
-BR2_TOOLCHAIN_GCC_AT_LEAST="10"
-BR2_TOOLCHAIN_HAS_MNAN_OPTION=y
-BR2_TOOLCHAIN_HAS_SYNC_1=y
-BR2_TOOLCHAIN_HAS_SYNC_2=y
-BR2_TOOLCHAIN_HAS_SYNC_4=y
-BR2_TOOLCHAIN_HAS_SYNC_8=y
-BR2_TOOLCHAIN_HAS_LIBATOMIC=y
-BR2_TOOLCHAIN_HAS_ATOMIC=y
-
-#
-# System configuration
-#
-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 Duo S eMMC"
-BR2_TARGET_GENERIC_PASSWD_SHA256=y
-# BR2_TARGET_GENERIC_PASSWD_SHA512 is not set
-BR2_TARGET_GENERIC_PASSWD_METHOD="sha-256"
-BR2_INIT_BUSYBOX=y
-# BR2_INIT_SYSV is not set
-# BR2_INIT_OPENRC is not set
-
-#
-# systemd needs a glibc toolchain w/ SSP, headers >= 3.10, host and target gcc >= 5
-#
-# BR2_INIT_NONE is not set
-# BR2_ROOTFS_DEVICE_CREATION_STATIC is not set
-BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV is not set
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV is not set
-BR2_ROOTFS_DEVICE_TABLE="system/device_table.txt"
-# BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES is not set
-# BR2_ROOTFS_MERGED_USR is not set
-BR2_TARGET_ENABLE_ROOT_LOGIN=y
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
-BR2_SYSTEM_BIN_SH_BUSYBOX=y
-
-#
-# bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
-#
-# BR2_SYSTEM_BIN_SH_NONE is not set
-BR2_TARGET_GENERIC_GETTY=y
-BR2_TARGET_GENERIC_GETTY_PORT="console"
-BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP=y
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200 is not set
-BR2_TARGET_GENERIC_GETTY_BAUDRATE="0"
-BR2_TARGET_GENERIC_GETTY_TERM="vt100"
-BR2_TARGET_GENERIC_GETTY_OPTIONS=""
-BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW=y
-BR2_SYSTEM_DHCP=""
-BR2_SYSTEM_DEFAULT_PATH="/bin:/sbin:/usr/bin:/usr/sbin"
-BR2_ENABLE_LOCALE_PURGE=y
-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/milkv-duos-emmc/overlay"
-BR2_ROOTFS_POST_BUILD_SCRIPT=""
-BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
-BR2_ROOTFS_POST_IMAGE_SCRIPT=""
-
-#
-# Kernel
-#
-# BR2_LINUX_KERNEL is not set
-
-#
-# Target packages
-#
-BR2_PACKAGE_BUSYBOX=y
-BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
-BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
-# BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
-# BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_CVI_PINMUX=y
-# BR2_PACKAGE_CVI_PINMUX_CV180X is not set
 BR2_PACKAGE_CVI_PINMUX_SG200X=y
 BR2_PACKAGE_DUO_PINMUX=y
-# BR2_PACKAGE_DUO_PINMUX_DUO is not set
-# BR2_PACKAGE_DUO_PINMUX_DUO256M is not set
 BR2_PACKAGE_DUO_PINMUX_DUOS=y
 BR2_PACKAGE_DUO_WIRINGX=y
-BR2_PACKAGE_SKELETON=y
-BR2_PACKAGE_HAS_SKELETON=y
-BR2_PACKAGE_PROVIDES_SKELETON="skeleton-init-sysv"
-BR2_PACKAGE_SKELETON_INIT_COMMON=y
-BR2_PACKAGE_SKELETON_INIT_SYSV=y
-
-#
-# dt needs a glibc or uClibc toolchain w/ threads
-#
-# BR2_PACKAGE_DUMA is not set
+BR2_PACKAGE_ALSA_UTILS=y
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
 BR2_PACKAGE_FIO=y
-BR2_PACKAGE_GDB_ARCH_SUPPORTS=y
 BR2_PACKAGE_GDB=y
-# BR2_PACKAGE_IOZONE is not set
-
-#
-# ktap needs a Linux kernel to be built
-#
-# BR2_PACKAGE_LATENCYTOP is not set
-# BR2_PACKAGE_LMBENCH is not set
-BR2_PACKAGE_LTP_TESTSUITE_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LTP_TESTSUITE is not set
-# BR2_PACKAGE_LTTNG_BABELTRACE is not set
-
-#
-# Development tools
-#
-BR2_PACKAGE_PROVIDES_HOST_GETTEXT="host-gettext-tiny"
-
-#
-# Filesystem and flash utilities
-#
-# BR2_PACKAGE_ABOOTIMG is not set
-
-#
-# davfs2 needs a glibc or uClibc toolchain
-#
-# BR2_PACKAGE_DOSFSTOOLS is not set
-BR2_PACKAGE_E2FSPROGS=y
-# BR2_PACKAGE_E2FSPROGS_DEBUGFS is not set
-# BR2_PACKAGE_E2FSPROGS_E2IMAGE is not set
-
-BR2_PACKAGE_HOST_GENIMAGE=y
-
-#
-# e2scrub needs bash, coreutils, lvm2, and util-linux
-#
-# BR2_PACKAGE_E2FSPROGS_E4DEFRAG is not set
-BR2_PACKAGE_E2FSPROGS_FSCK=y
-# BR2_PACKAGE_E2FSPROGS_FUSE2FS is not set
-BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
-
-#
-# eudev needs eudev /dev management
-#
-# BR2_PACKAGE_EVEMU is not set
-BR2_PACKAGE_EVTEST=y
-# BR2_PACKAGE_FAN_CTRL is not set
-# BR2_PACKAGE_FCONFIG is not set
-BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
-
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
-BR2_PACKAGE_PYTHON_NUMPY=y
-
-#
-# Compression and decompression
-#
-BR2_PACKAGE_PROVIDES_HOST_ZLIB="host-libzlib"
-# BR2_PACKAGE_ZZIPLIB is not set
-
-#
-# Crypto
-#
-# BR2_PACKAGE_BEARSSL is not set
-# BR2_PACKAGE_BEECRYPT is not set
-BR2_PACKAGE_BOTAN_ARCH_SUPPORTS=y
-# BR2_PACKAGE_BOTAN is not set
-BR2_PACKAGE_CA_CERTIFICATES=y
-
-#
-# cryptodev needs a Linux kernel to be built
-#
-BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBGPG_ERROR is not set
-BR2_PACKAGE_LIBGPG_ERROR_SYSCFG="riscv64-unknown-linux-gnu"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_OPENSSL=y
-BR2_PACKAGE_LIBOPENSSL=y
-BR2_PACKAGE_LIBOPENSSL_TARGET_ARCH="linux-generic64 no-asm"
-BR2_PACKAGE_LIBOPENSSL_BIN=y
-BR2_PACKAGE_LIBOPENSSL_ENGINES=y
-# BR2_PACKAGE_LIBRESSL is not set
-BR2_PACKAGE_HAS_OPENSSL=y
-BR2_PACKAGE_PROVIDES_OPENSSL="libopenssl"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_FREETYPE=y
-
-BR2_PACKAGE_LIBUSB=y
-BR2_PACKAGE_LIBUSB_EXAMPLES=y
-
-#
-# JSON/XML
-#
-BR2_PACKAGE_JSON_C=y
-
-#
-# Multimedia
-#
-BR2_PACKAGE_LIBCAMERA_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBCAMERA is not set
-
-#
-# Networking
-#
-BR2_PACKAGE_LIBCURL=y
-BR2_PACKAGE_LIBCURL_CURL=y
-BR2_PACKAGE_LIBCURL_VERBOSE=y
-BR2_PACKAGE_LIBCURL_PROXY_SUPPORT=y
-BR2_PACKAGE_LIBCURL_COOKIES_SUPPORT=y
-BR2_PACKAGE_LIBCURL_EXTRA_PROTOCOLS_FEATURES=y
-BR2_PACKAGE_LIBCURL_OPENSSL=y
-# BR2_PACKAGE_LIBCURL_TLS_NONE is not set
-
-#
-# libcgroup needs a glibc toolchain w/ C++
-#
-BR2_PACKAGE_MUSL_COMPAT_HEADERS=y
-# BR2_PACKAGE_MUSL_FTS is not set
-# BR2_PACKAGE_ORC is not set
-# BR2_PACKAGE_P11_KIT is not set
-BR2_PACKAGE_POCO_ARCH_SUPPORTS=y
-# BR2_PACKAGE_POCO is not set
-BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS=y
-# BR2_PACKAGE_PROTOBUF is not set
-# BR2_PACKAGE_PROTOBUF_C is not set
-
-#
-# vdr needs a glibc toolchain w/ C++, dynamic library, NPTL, wchar, headers >= 3.9
-#
-BR2_PACKAGE_WGET=y
-BR2_PACKAGE_WPA_SUPPLICANT=y
-BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
-BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
-BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
-# BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE is not set
-BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
-# BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
-
-#
-# System tools
-#
-BR2_PACKAGE_COREUTILS=y
-
-#
-# emlog needs a Linux kernel to be built
-#
-BR2_PACKAGE_HTOP=y
-BR2_PACKAGE_INITSCRIPTS=y
-
-#
-# iotop depends on python or python3
-#
-# BR2_PACKAGE_IPRUTILS is not set
-# BR2_PACKAGE_IRQBALANCE is not set
-# BR2_PACKAGE_KEYUTILS is not set
-BR2_PACKAGE_KMOD=y
-
-#
-# unscd needs a glibc toolchain
-#
-BR2_PACKAGE_UTIL_LINUX=y
-BR2_PACKAGE_UTIL_LINUX_LIBBLKID=y
-# BR2_PACKAGE_UTIL_LINUX_LIBFDISK is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBMOUNT is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS is not set
-BR2_PACKAGE_UTIL_LINUX_LIBUUID=y
-BR2_PACKAGE_UTIL_LINUX_BINARIES=y
-
-#
-# su needs a uClibc or glibc toolchain w/ wchar, locale, dynamic library
-#
-BR2_PACKAGE_UTIL_LINUX_UUIDD=y
-
-#
-# Filesystem images
-#
-BR2_TARGET_ROOTFS_EXT2=y
-# BR2_TARGET_ROOTFS_EXT2_2r0 is not set
-# BR2_TARGET_ROOTFS_EXT2_2r1 is not set
-# BR2_TARGET_ROOTFS_EXT2_3 is not set
-BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_GEN=4
-BR2_TARGET_ROOTFS_EXT2_REV=1
-BR2_TARGET_ROOTFS_EXT2_LABEL="rootfs"
-BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
-BR2_TARGET_ROOTFS_EXT2_INODES=0
-BR2_TARGET_ROOTFS_EXT2_RESBLKS=5
-BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O ^64bit"
-BR2_TARGET_ROOTFS_EXT2_NONE=y
-
-#
-# initramfs needs a Linux kernel to be built
-#
-BR2_TARGET_ROOTFS_TAR=y
-BR2_TARGET_ROOTFS_TAR_XZ=y
-BR2_TARGET_ROOTFS_TAR_OPTIONS=""
-
-#
-# Host utilities
-#
-BR2_PACKAGE_HOST_E2FSPROGS=y
-BR2_PACKAGE_HOST_UTIL_LINUX=y
-
-#
-# Legacy options removed in 2019.11
-#
-BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS=""
-
-#
-# Legacy options removed in 2017.08
-#
-# BR2_TARGET_GRUB is not set
-# BR2_PACKAGE_SIMICSFS is not set
-# BR2_BINUTILS_VERSION_2_26_X is not set
-BR2_XTENSA_OVERLAY_DIR=""
-BR2_XTENSA_CUSTOM_NAME=""
-# BR2_PACKAGE_HOST_MKE2IMG is not set
-BR2_TARGET_ROOTFS_EXT2_BLOCKS=0
-BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES=0
-
-#
-# Legacy options removed in 2017.05
-#
-BR2_TARGET_ROOTFS_EXT2_EXTRA_BLOCKS=0
-
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_STRESS_NG=y
-
-#
-# NetworkManager needs udev /dev management and a glibc toolchain w/ headers >= 3.2, dynamic library, wchar, threads
-#
-
-BR2_PACKAGE_DHCPCD=y
-BR2_PACKAGE_DNSMASQ=y
-BR2_PACKAGE_DROPBEAR=y
-BR2_PACKAGE_DROPBEAR_CLIENT=y
-# BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS is not set
-BR2_PACKAGE_DROPBEAR_SMALL=y
-# BR2_PACKAGE_DROPBEAR_WTMP is not set
-# BR2_PACKAGE_DROPBEAR_LASTLOG is not set
-# BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO is not set
-# BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE=""
-
-BR2_PACKAGE_IPERF3=y
-BR2_PACKAGE_NTP=y
-BR2_PACKAGE_NTP_NTPDATE=y
-BR2_PACKAGE_NTP_NTPTIME=y
-
+BR2_PACKAGE_E2FSPROGS=y
+BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
+BR2_PACKAGE_EVTEST=y
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_NUMPY=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_PSUTIL=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBOPENSSL_BIN=y
+BR2_PACKAGE_LIBOPENSSL_ENGINES=y
+BR2_PACKAGE_FREETYPE=y
+BR2_PACKAGE_LIBUSB=y
+BR2_PACKAGE_LIBUSB_EXAMPLES=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_LIBCURL_CURL=y
+BR2_PACKAGE_LIBCURL_VERBOSE=y
 BR2_PACKAGE_BLUEZ5_UTILS=y
 BR2_PACKAGE_BLUEZ5_UTILS_OBEX=y
 BR2_PACKAGE_BLUEZ5_UTILS_CLIENT=y
 BR2_PACKAGE_BLUEZ5_UTILS_DEPRECATED=y
 BR2_PACKAGE_BLUEZ5_UTILS_EXPERIMENTAL=y
 BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HEALTH=y
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MESH is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MIDI is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_NFC is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_SAP is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_SIXAXIS is not set
 BR2_PACKAGE_BLUEZ5_UTILS_TEST=y
-BR2_PACKAGE_BLUEZ5_UTILS_TOOLS_HID2HCI=y
-
-BR2_PACKAGE_ALSA_LIB=y
-BR2_PACKAGE_ALSA_UTILS=y
-BR2_PACKAGE_ALSA_UTILS_ALSACTL=y
-BR2_PACKAGE_ALSA_UTILS_ALSAMIXER=y
-BR2_PACKAGE_ALSA_UTILS_AMIXER=y
-BR2_PACKAGE_ALSA_UTILS_APLAY=y
-BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
+BR2_PACKAGE_DHCPCD=y
+BR2_PACKAGE_DNSMASQ=y
+BR2_PACKAGE_DROPBEAR=y
+BR2_PACKAGE_IPERF3=y
+BR2_PACKAGE_NTP=y
+BR2_PACKAGE_NTP_NTPDATE=y
+BR2_PACKAGE_NTP_NTPTIME=y
+BR2_PACKAGE_WGET=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
+BR2_PACKAGE_COREUTILS=y
+BR2_PACKAGE_HTOP=y
+BR2_PACKAGE_KMOD=y
+BR2_PACKAGE_UTIL_LINUX_BINARIES=y
+BR2_PACKAGE_UTIL_LINUX_UUIDD=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
+BR2_TARGET_ROOTFS_TAR_XZ=y
+BR2_PACKAGE_HOST_GENIMAGE=y
diff --git a/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig b/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
index e4ed503d9..a1677be2a 100644
--- a/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
+++ b/buildroot-2021.05/configs/milkv-duos-sd_musl_riscv64_defconfig
@@ -1,554 +1,80 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# Buildroot -g8c59e72e33-dirty Configuration
-#
-BR2_HAVE_DOT_CONFIG=y
-BR2_HOST_GCC_AT_LEAST_4_9=y
-BR2_HOST_GCC_AT_LEAST_5=y
-BR2_HOST_GCC_AT_LEAST_6=y
-BR2_HOST_GCC_AT_LEAST_7=y
-
-#
-# Target options
-#
-BR2_ARCH_IS_64=y
-BR2_ARCH_HAS_MMU_MANDATORY=y
 BR2_riscv=y
-BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_8=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_4_9=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_5=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_6=y
-BR2_ARCH_NEEDS_GCC_AT_LEAST_7=y
-BR2_ARCH="riscv64"
-BR2_ENDIAN="LITTLE"
-BR2_GCC_TARGET_ABI="lp64d"
-BR2_BINFMT_SUPPORTS_SHARED=y
-BR2_READELF_ARCH_NAME="RISC-V"
-BR2_BINFMT_ELF=y
-BR2_RISCV_ISA_RVI=y
-BR2_RISCV_ISA_RVM=y
-BR2_RISCV_ISA_RVA=y
-BR2_RISCV_ISA_RVF=y
-BR2_RISCV_ISA_RVD=y
-BR2_riscv_g=y
-# BR2_riscv_custom is not set
-# BR2_RISCV_32 is not set
-BR2_RISCV_64=y
-# BR2_RISCV_ABI_LP64 is not set
-# BR2_RISCV_ABI_LP64F is not set
-BR2_RISCV_ABI_LP64D=y
-
-#
-# Build options
-#
-
-#
-# Commands
-#
-BR2_WGET="wget --passive-ftp -nd -t 3"
-BR2_SVN="svn --non-interactive"
-BR2_BZR="bzr"
-BR2_GIT="git"
-BR2_CVS="cvs"
-BR2_LOCALFILES="cp"
-BR2_SCP="scp"
-BR2_HG="hg"
-BR2_ZCAT="gzip -d -c"
-BR2_BZCAT="bzcat"
-BR2_XZCAT="xzcat"
-BR2_LZCAT="lzip -d -c"
-BR2_TAR_OPTIONS=""
-BR2_DEFCONFIG="./configs/milkv-duos-sd_musl_riscv64_defconfig"
-BR2_DL_DIR="$(TOPDIR)/dl"
-BR2_HOST_DIR="$(BASE_DIR)/host"
-
-#
-# Mirrors and Download locations
-#
-BR2_PRIMARY_SITE=""
-BR2_BACKUP_SITE="http://sources.buildroot.net"
-BR2_KERNEL_MIRROR="https://cdn.kernel.org/pub"
-BR2_GNU_MIRROR="http://ftpmirror.gnu.org"
-BR2_LUAROCKS_MIRROR="http://rocks.moonscript.org"
-BR2_CPAN_MIRROR="http://cpan.metacpan.org"
-BR2_JLEVEL=0
-# BR2_CCACHE is not set
-# BR2_ENABLE_DEBUG is not set
-BR2_STRIP_strip=y
-BR2_STRIP_EXCLUDE_FILES=""
-BR2_STRIP_EXCLUDE_DIRS=""
-# BR2_OPTIMIZE_0 is not set
-# BR2_OPTIMIZE_1 is not set
-# BR2_OPTIMIZE_2 is not set
-# BR2_OPTIMIZE_3 is not set
-# BR2_OPTIMIZE_G is not set
-BR2_OPTIMIZE_S=y
-# BR2_OPTIMIZE_FAST is not set
-# BR2_STATIC_LIBS is not set
-BR2_SHARED_LIBS=y
-# BR2_SHARED_STATIC_LIBS is not set
-BR2_PACKAGE_OVERRIDE_FILE="$(CONFIG_DIR)/local.mk"
-BR2_GLOBAL_PATCH_DIR=""
-
-#
-# Advanced
-#
-BR2_COMPILER_PARANOID_UNSAFE_PATH=y
-# BR2_FORCE_HOST_BUILD is not set
-# BR2_REPRODUCIBLE is not set
 BR2_PER_PACKAGE_DIRECTORIES=y
-
-#
-# Security Hardening Options
-#
-BR2_PIC_PIE=y
-# BR2_SSP_NONE is not set
-# BR2_SSP_REGULAR is not set
-BR2_SSP_STRONG=y
-# BR2_SSP_ALL is not set
-BR2_SSP_OPTION="-fstack-protector-strong"
-# BR2_RELRO_NONE is not set
-# BR2_RELRO_PARTIAL is not set
-BR2_RELRO_FULL=y
-
-#
-# Fortify Source needs a glibc toolchain and optimization
-#
-
-#
-# Toolchain
-#
-BR2_TOOLCHAIN=y
-BR2_TOOLCHAIN_USES_MUSL=y
-# BR2_TOOLCHAIN_BUILDROOT is not set
 BR2_TOOLCHAIN_EXTERNAL=y
-
-#
-# Toolchain External Options
-#
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
-# BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD is not set
-BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y
-# BR2_TOOLCHAIN_EXTERNAL_PATH="/data/sam/sdk/cv180x_v400/host-tools/gcc/riscv64-linux-musl-x86_64"
-BR2_TOOLCHAIN_EXTERNAL_MUSL=y
-BR2_PACKAGE_HAS_TOOLCHAIN_EXTERNAL=y
-BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL="toolchain-external-custom"
-BR2_TOOLCHAIN_EXTERNAL_PREFIX="riscv64-unknown-linux-musl"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="riscv64-unknown-linux-musl"
-BR2_TOOLCHAIN_EXTERNAL_GCC_10=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_10=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y
-BR2_TOOLCHAIN_EXTERNAL_HAS_SSP_STRONG=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
-
-#
-# Toolchain Generic Options
-#
-BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS=y
-BR2_TOOLCHAIN_SUPPORTS_VARIADIC_MI_THUNK=y
-BR2_USE_WCHAR=y
-BR2_ENABLE_LOCALE=y
-BR2_INSTALL_LIBSTDCPP=y
-BR2_TOOLCHAIN_HAS_THREADS=y
-BR2_TOOLCHAIN_HAS_THREADS_DEBUG=y
-BR2_TOOLCHAIN_HAS_THREADS_NPTL=y
-BR2_TOOLCHAIN_HAS_SSP=y
-BR2_TOOLCHAIN_HAS_SSP_STRONG=y
-BR2_TOOLCHAIN_HAS_UCONTEXT=y
-BR2_TOOLCHAIN_SUPPORTS_PIE=y
-BR2_TOOLCHAIN_EXTRA_LIBS=""
-BR2_USE_MMU=y
-BR2_TARGET_OPTIMIZATION=""
 BR2_TARGET_LDFLAGS="-mcpu=c906fdv -march=rv64imafdcv0p7xthead -mcmodel=medany -mabi=lp64d"
-# BR2_ECLIPSE_REGISTER is not set
-BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_10=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="5.10"
-BR2_TOOLCHAIN_GCC_AT_LEAST_10=y
-BR2_TOOLCHAIN_GCC_AT_LEAST="10"
-BR2_TOOLCHAIN_HAS_MNAN_OPTION=y
-BR2_TOOLCHAIN_HAS_SYNC_1=y
-BR2_TOOLCHAIN_HAS_SYNC_2=y
-BR2_TOOLCHAIN_HAS_SYNC_4=y
-BR2_TOOLCHAIN_HAS_SYNC_8=y
-BR2_TOOLCHAIN_HAS_LIBATOMIC=y
-BR2_TOOLCHAIN_HAS_ATOMIC=y
-
-#
-# System configuration
-#
-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 Duo S SD"
-BR2_TARGET_GENERIC_PASSWD_SHA256=y
-# BR2_TARGET_GENERIC_PASSWD_SHA512 is not set
-BR2_TARGET_GENERIC_PASSWD_METHOD="sha-256"
-BR2_INIT_BUSYBOX=y
-# BR2_INIT_SYSV is not set
-# BR2_INIT_OPENRC is not set
-
-#
-# systemd needs a glibc toolchain w/ SSP, headers >= 3.10, host and target gcc >= 5
-#
-# BR2_INIT_NONE is not set
-# BR2_ROOTFS_DEVICE_CREATION_STATIC is not set
-BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV is not set
-# BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV is not set
-BR2_ROOTFS_DEVICE_TABLE="system/device_table.txt"
-# BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES is not set
-# BR2_ROOTFS_MERGED_USR is not set
-BR2_TARGET_ENABLE_ROOT_LOGIN=y
 BR2_TARGET_GENERIC_ROOT_PASSWD="milkv"
-BR2_SYSTEM_BIN_SH_BUSYBOX=y
-
-#
-# bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
-#
-# BR2_SYSTEM_BIN_SH_NONE is not set
-BR2_TARGET_GENERIC_GETTY=y
-BR2_TARGET_GENERIC_GETTY_PORT="console"
-BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP=y
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600 is not set
-# BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200 is not set
-BR2_TARGET_GENERIC_GETTY_BAUDRATE="0"
-BR2_TARGET_GENERIC_GETTY_TERM="vt100"
-BR2_TARGET_GENERIC_GETTY_OPTIONS=""
-BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW=y
-BR2_SYSTEM_DHCP=""
-BR2_SYSTEM_DEFAULT_PATH="/bin:/sbin:/usr/bin:/usr/sbin"
-BR2_ENABLE_LOCALE_PURGE=y
-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/milkv-duos-sd/overlay"
-BR2_ROOTFS_POST_BUILD_SCRIPT=""
-BR2_ROOTFS_POST_FAKEROOT_SCRIPT=""
-BR2_ROOTFS_POST_IMAGE_SCRIPT=""
-
-#
-# Kernel
-#
-# BR2_LINUX_KERNEL is not set
-
-#
-# Target packages
-#
-BR2_PACKAGE_BUSYBOX=y
-BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config"
-BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES=""
 BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
-# BR2_PACKAGE_BUSYBOX_INDIVIDUAL_BINARIES is not set
-# BR2_PACKAGE_BUSYBOX_WATCHDOG is not set
 BR2_PACKAGE_CVI_PINMUX=y
-# BR2_PACKAGE_CVI_PINMUX_CV180X is not set
 BR2_PACKAGE_CVI_PINMUX_SG200X=y
 BR2_PACKAGE_DUO_PINMUX=y
-# BR2_PACKAGE_DUO_PINMUX_DUO is not set
-# BR2_PACKAGE_DUO_PINMUX_DUO256M is not set
 BR2_PACKAGE_DUO_PINMUX_DUOS=y
 BR2_PACKAGE_DUO_WIRINGX=y
-BR2_PACKAGE_SKELETON=y
-BR2_PACKAGE_HAS_SKELETON=y
-BR2_PACKAGE_PROVIDES_SKELETON="skeleton-init-sysv"
-BR2_PACKAGE_SKELETON_INIT_COMMON=y
-BR2_PACKAGE_SKELETON_INIT_SYSV=y
-
-#
-# dt needs a glibc or uClibc toolchain w/ threads
-#
-# BR2_PACKAGE_DUMA is not set
+BR2_PACKAGE_ALSA_UTILS=y
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
 BR2_PACKAGE_FIO=y
-BR2_PACKAGE_GDB_ARCH_SUPPORTS=y
 BR2_PACKAGE_GDB=y
-# BR2_PACKAGE_IOZONE is not set
-
-#
-# ktap needs a Linux kernel to be built
-#
-# BR2_PACKAGE_LATENCYTOP is not set
-# BR2_PACKAGE_LMBENCH is not set
-BR2_PACKAGE_LTP_TESTSUITE_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LTP_TESTSUITE is not set
-# BR2_PACKAGE_LTTNG_BABELTRACE is not set
-
-#
-# Development tools
-#
-BR2_PACKAGE_PROVIDES_HOST_GETTEXT="host-gettext-tiny"
-
-#
-# Filesystem and flash utilities
-#
-# BR2_PACKAGE_ABOOTIMG is not set
-
-#
-# davfs2 needs a glibc or uClibc toolchain
-#
-# BR2_PACKAGE_DOSFSTOOLS is not set
-BR2_PACKAGE_E2FSPROGS=y
-# BR2_PACKAGE_E2FSPROGS_DEBUGFS is not set
-# BR2_PACKAGE_E2FSPROGS_E2IMAGE is not set
-
-BR2_PACKAGE_HOST_GENIMAGE=y
-
-#
-# e2scrub needs bash, coreutils, lvm2, and util-linux
-#
-# BR2_PACKAGE_E2FSPROGS_E4DEFRAG is not set
-BR2_PACKAGE_E2FSPROGS_FSCK=y
-# BR2_PACKAGE_E2FSPROGS_FUSE2FS is not set
-BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
-
-#
-# eudev needs eudev /dev management
-#
-# BR2_PACKAGE_EVEMU is not set
-BR2_PACKAGE_EVTEST=y
-# BR2_PACKAGE_FAN_CTRL is not set
-# BR2_PACKAGE_FCONFIG is not set
-BR2_PACKAGE_FLASHROM_ARCH_SUPPORTS=y
-
-BR2_PACKAGE_PYTHON3=y
-BR2_PACKAGE_PYTHON3_PY_PYC=y
-BR2_PACKAGE_PYTHON_LXML=y
-BR2_PACKAGE_PYTHON_PIP=y
-BR2_PACKAGE_PYTHON_SETUPTOOLS=y
-BR2_PACKAGE_PYTHON3_SSL=y
-
-BR2_PACKAGE_PYTHON_SERIAL=y
-BR2_PACKAGE_PYTHON_PILLOW=y
-BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
-BR2_PACKAGE_PYTHON_SPIDEV=y
-BR2_PACKAGE_PYTHON_MODBUS_TK=y
-BR2_PACKAGE_PYTHON_EVDEV=y
-BR2_PACKAGE_PYTHON_FREETYPE=y
-
-BR2_PACKAGE_PYTHON_PSUTIL=y
-
-BR2_PACKAGE_PYTHON_NUMPY=y
-
-#
-# Compression and decompression
-#
-BR2_PACKAGE_PROVIDES_HOST_ZLIB="host-libzlib"
-# BR2_PACKAGE_ZZIPLIB is not set
-
-#
-# Crypto
-#
-# BR2_PACKAGE_BEARSSL is not set
-# BR2_PACKAGE_BEECRYPT is not set
-BR2_PACKAGE_BOTAN_ARCH_SUPPORTS=y
-# BR2_PACKAGE_BOTAN is not set
-BR2_PACKAGE_CA_CERTIFICATES=y
-
-#
-# cryptodev needs a Linux kernel to be built
-#
-BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBGPG_ERROR is not set
-BR2_PACKAGE_LIBGPG_ERROR_SYSCFG="riscv64-unknown-linux-gnu"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_OPENSSL=y
-BR2_PACKAGE_LIBOPENSSL=y
-BR2_PACKAGE_LIBOPENSSL_TARGET_ARCH="linux-generic64 no-asm"
-BR2_PACKAGE_LIBOPENSSL_BIN=y
-BR2_PACKAGE_LIBOPENSSL_ENGINES=y
-# BR2_PACKAGE_LIBRESSL is not set
-BR2_PACKAGE_HAS_OPENSSL=y
-BR2_PACKAGE_PROVIDES_OPENSSL="libopenssl"
-BR2_PACKAGE_PROVIDES_HOST_OPENSSL="host-libopenssl"
-
-BR2_PACKAGE_FREETYPE=y
-
-BR2_PACKAGE_LIBUSB=y
-BR2_PACKAGE_LIBUSB_EXAMPLES=y
-
-#
-# JSON/XML
-#
-BR2_PACKAGE_JSON_C=y
-
-#
-# Multimedia
-#
-BR2_PACKAGE_LIBCAMERA_ARCH_SUPPORTS=y
-# BR2_PACKAGE_LIBCAMERA is not set
-
-#
-# Networking
-#
-BR2_PACKAGE_LIBCURL=y
-BR2_PACKAGE_LIBCURL_CURL=y
-BR2_PACKAGE_LIBCURL_VERBOSE=y
-BR2_PACKAGE_LIBCURL_PROXY_SUPPORT=y
-BR2_PACKAGE_LIBCURL_COOKIES_SUPPORT=y
-BR2_PACKAGE_LIBCURL_EXTRA_PROTOCOLS_FEATURES=y
-BR2_PACKAGE_LIBCURL_OPENSSL=y
-# BR2_PACKAGE_LIBCURL_TLS_NONE is not set
-
-#
-# libcgroup needs a glibc toolchain w/ C++
-#
-BR2_PACKAGE_MUSL_COMPAT_HEADERS=y
-# BR2_PACKAGE_MUSL_FTS is not set
-# BR2_PACKAGE_ORC is not set
-# BR2_PACKAGE_P11_KIT is not set
-BR2_PACKAGE_POCO_ARCH_SUPPORTS=y
-# BR2_PACKAGE_POCO is not set
-BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS=y
-# BR2_PACKAGE_PROTOBUF is not set
-# BR2_PACKAGE_PROTOBUF_C is not set
-
-#
-# vdr needs a glibc toolchain w/ C++, dynamic library, NPTL, wchar, headers >= 3.9
-#
-BR2_PACKAGE_WGET=y
-BR2_PACKAGE_WPA_SUPPLICANT=y
-BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
-BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
-BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
-# BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE is not set
-BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
-# BR2_PACKAGE_WPA_SUPPLICANT_DBUS is not set
-
-#
-# System tools
-#
-BR2_PACKAGE_COREUTILS=y
-
-#
-# emlog needs a Linux kernel to be built
-#
-BR2_PACKAGE_HTOP=y
-BR2_PACKAGE_INITSCRIPTS=y
-
-#
-# iotop depends on python or python3
-#
-# BR2_PACKAGE_IPRUTILS is not set
-# BR2_PACKAGE_IRQBALANCE is not set
-# BR2_PACKAGE_KEYUTILS is not set
-BR2_PACKAGE_KMOD=y
-
-#
-# unscd needs a glibc toolchain
-#
-BR2_PACKAGE_UTIL_LINUX=y
-BR2_PACKAGE_UTIL_LINUX_LIBBLKID=y
-# BR2_PACKAGE_UTIL_LINUX_LIBFDISK is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBMOUNT is not set
-# BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS is not set
-BR2_PACKAGE_UTIL_LINUX_LIBUUID=y
-BR2_PACKAGE_UTIL_LINUX_BINARIES=y
-
-#
-# su needs a uClibc or glibc toolchain w/ wchar, locale, dynamic library
-#
-BR2_PACKAGE_UTIL_LINUX_UUIDD=y
-
-#
-# Filesystem images
-#
-BR2_TARGET_ROOTFS_EXT2=y
-# BR2_TARGET_ROOTFS_EXT2_2r0 is not set
-# BR2_TARGET_ROOTFS_EXT2_2r1 is not set
-# BR2_TARGET_ROOTFS_EXT2_3 is not set
-BR2_TARGET_ROOTFS_EXT2_4=y
-BR2_TARGET_ROOTFS_EXT2_GEN=4
-BR2_TARGET_ROOTFS_EXT2_REV=1
-BR2_TARGET_ROOTFS_EXT2_LABEL="rootfs"
-BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
-BR2_TARGET_ROOTFS_EXT2_INODES=0
-BR2_TARGET_ROOTFS_EXT2_RESBLKS=5
-BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O ^64bit"
-BR2_TARGET_ROOTFS_EXT2_NONE=y
-
-#
-# initramfs needs a Linux kernel to be built
-#
-BR2_TARGET_ROOTFS_TAR=y
-BR2_TARGET_ROOTFS_TAR_XZ=y
-BR2_TARGET_ROOTFS_TAR_OPTIONS=""
-
-#
-# Host utilities
-#
-BR2_PACKAGE_HOST_E2FSPROGS=y
-BR2_PACKAGE_HOST_UTIL_LINUX=y
-
-#
-# Legacy options removed in 2019.11
-#
-BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS=""
-
-#
-# Legacy options removed in 2017.08
-#
-# BR2_TARGET_GRUB is not set
-# BR2_PACKAGE_SIMICSFS is not set
-# BR2_BINUTILS_VERSION_2_26_X is not set
-BR2_XTENSA_OVERLAY_DIR=""
-BR2_XTENSA_CUSTOM_NAME=""
-# BR2_PACKAGE_HOST_MKE2IMG is not set
-BR2_TARGET_ROOTFS_EXT2_BLOCKS=0
-BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES=0
-
-#
-# Legacy options removed in 2017.05
-#
-BR2_TARGET_ROOTFS_EXT2_EXTRA_BLOCKS=0
-
 BR2_PACKAGE_SPIDEV_TEST=y
 BR2_PACKAGE_STRACE=y
 BR2_PACKAGE_STRESS_NG=y
-
-#
-# NetworkManager needs udev /dev management and a glibc toolchain w/ headers >= 3.2, dynamic library, wchar, threads
-#
-
-BR2_PACKAGE_DHCPCD=y
-BR2_PACKAGE_DNSMASQ=y
-BR2_PACKAGE_DROPBEAR=y
-BR2_PACKAGE_DROPBEAR_CLIENT=y
-# BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS is not set
-BR2_PACKAGE_DROPBEAR_SMALL=y
-# BR2_PACKAGE_DROPBEAR_WTMP is not set
-# BR2_PACKAGE_DROPBEAR_LASTLOG is not set
-# BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO is not set
-# BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE=""
-
-BR2_PACKAGE_IPERF3=y
-BR2_PACKAGE_NTP=y
-BR2_PACKAGE_NTP_NTPDATE=y
-BR2_PACKAGE_NTP_NTPTIME=y
-
+BR2_PACKAGE_E2FSPROGS=y
+BR2_PACKAGE_E2FSPROGS_RESIZE2FS=y
+BR2_PACKAGE_EVTEST=y
+BR2_PACKAGE_PYTHON3=y
+BR2_PACKAGE_PYTHON3_PY_PYC=y
+BR2_PACKAGE_PYTHON_EVDEV=y
+BR2_PACKAGE_PYTHON_FREETYPE=y
+BR2_PACKAGE_PYTHON_LXML=y
+BR2_PACKAGE_PYTHON_MODBUS_TK=y
+BR2_PACKAGE_PYTHON_NUMPY=y
+BR2_PACKAGE_PYTHON_PILLOW=y
+BR2_PACKAGE_PYTHON_PIP=y
+BR2_PACKAGE_PYTHON_PSUTIL=y
+BR2_PACKAGE_PYTHON_SMBUS_CFFI=y
+BR2_PACKAGE_PYTHON_SPIDEV=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBOPENSSL_BIN=y
+BR2_PACKAGE_LIBOPENSSL_ENGINES=y
+BR2_PACKAGE_FREETYPE=y
+BR2_PACKAGE_LIBUSB=y
+BR2_PACKAGE_LIBUSB_EXAMPLES=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_LIBCURL_CURL=y
+BR2_PACKAGE_LIBCURL_VERBOSE=y
 BR2_PACKAGE_BLUEZ5_UTILS=y
 BR2_PACKAGE_BLUEZ5_UTILS_OBEX=y
 BR2_PACKAGE_BLUEZ5_UTILS_CLIENT=y
 BR2_PACKAGE_BLUEZ5_UTILS_DEPRECATED=y
 BR2_PACKAGE_BLUEZ5_UTILS_EXPERIMENTAL=y
 BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HEALTH=y
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MESH is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_MIDI is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_NFC is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_SAP is not set
-# BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_SIXAXIS is not set
 BR2_PACKAGE_BLUEZ5_UTILS_TEST=y
-BR2_PACKAGE_BLUEZ5_UTILS_TOOLS_HID2HCI=y
-
-BR2_PACKAGE_ALSA_LIB=y
-BR2_PACKAGE_ALSA_UTILS=y
-BR2_PACKAGE_ALSA_UTILS_ALSACTL=y
-BR2_PACKAGE_ALSA_UTILS_ALSAMIXER=y
-BR2_PACKAGE_ALSA_UTILS_AMIXER=y
-BR2_PACKAGE_ALSA_UTILS_APLAY=y
-BR2_PACKAGE_ALSA_UTILS_ARECORDMIDI=y
+BR2_PACKAGE_DHCPCD=y
+BR2_PACKAGE_DNSMASQ=y
+BR2_PACKAGE_DROPBEAR=y
+BR2_PACKAGE_IPERF3=y
+BR2_PACKAGE_NTP=y
+BR2_PACKAGE_NTP_NTPDATE=y
+BR2_PACKAGE_NTP_NTPTIME=y
+BR2_PACKAGE_WGET=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPA_CLIENT_SO=y
+BR2_PACKAGE_COREUTILS=y
+BR2_PACKAGE_HTOP=y
+BR2_PACKAGE_KMOD=y
+BR2_PACKAGE_UTIL_LINUX_BINARIES=y
+BR2_PACKAGE_UTIL_LINUX_UUIDD=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="786432K"
+BR2_TARGET_ROOTFS_TAR_XZ=y
+BR2_PACKAGE_HOST_GENIMAGE=y