lm32: make it boot the kernel

5 files changed, 934 insertions, 146 deletions

diff --git a/target/config/Config.in.compiler b/target/config/Config.in.compiler
index 58751afd7..67e8dd414 100644
--- a/target/config/Config.in.compiler
+++ b/target/config/Config.in.compiler
@@ -71,7 +71,7 @@ config ADK_TOOLCHAIN_GCC_METAG
 	depends on ADK_TARGET_ARCH_METAG
 
 config ADK_TOOLCHAIN_GCC_LM32
-	bool "4.6.4-lm32"
+	bool "4.5.4-lm32"
 	depends on ADK_TARGET_ARCH_LM32
 
 config ADK_TOOLCHAIN_GCC_NDS32
diff --git a/target/config/Config.in.cpu b/target/config/Config.in.cpu
index d737c96ab..74f5213c4 100644
--- a/target/config/Config.in.cpu
+++ b/target/config/Config.in.cpu
@@ -510,7 +510,6 @@ config ADK_TARGET_CPU_IA64
 # lm32
 config ADK_TARGET_CPU_LM32
 	bool "lm32"
-	select ADK_TARGET_UCLINUX
 	depends on ADK_TARGET_ARCH_LM32
 
 # coldfire
diff --git a/target/lm32/kernel/qemu-lm32 b/target/lm32/kernel/qemu-lm32
index 437939705..734d138b8 100644
--- a/target/lm32/kernel/qemu-lm32
+++ b/target/lm32/kernel/qemu-lm32
@@ -1,168 +1,834 @@
-CONFIG_BUG=y
-# CONFIG_APM_EMULATION is not set
-CONFIG_ARCH_REQUIRE_GPIOLIB=y
-# CONFIG_ARPD is not set
-# CONFIG_BASE_FULL is not set
-CONFIG_BASE_SMALL=1
-# CONFIG_BINFMT_ELF_FDPIC is not set
-CONFIG_BINFMT_FLAT=y
-# CONFIG_BINFMT_SHARED_FLAT is not set
-# CONFIG_BINFMT_ZFLAT is not set
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_COUNT=1
-CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_BOARD_MILKYMIST_ONE=y
-# CONFIG_BOARD_MILKYMIST_SOC is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_COMPAT_BRK=y
-# CONFIG_CONSOLE_TRANSLATIONS is not set
-CONFIG_CPU_CLOCK=80000000
-CONFIG_CPU_MICO32=y
-CONFIG_CRAMFS=y
-CONFIG_CRC7=y
-CONFIG_CRC_CCITT=y
-CONFIG_DEBUG_BUGVERBOSE=y
-CONFIG_DECOMPRESS_GZIP=y
-CONFIG_DEFAULT_TCP_CONG="cubic"
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
-CONFIG_DTC=y
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_EARLY_PRINTK=y
-CONFIG_EXT2_FS=y
-CONFIG_FAT_FS=y
-CONFIG_FB=y
-CONFIG_FB_MILKYMIST=y
-CONFIG_FB_SYS_COPYAREA=y
-CONFIG_FB_SYS_FILLRECT=y
-CONFIG_FB_SYS_FOPS=y
-CONFIG_FB_SYS_IMAGEBLIT=y
-# CONFIG_FB_WMT_GE_ROPS is not set
-# CONFIG_FIRMWARE_EDID is not set
+#
+# Automatically generated file; DO NOT EDIT.
+# Linux/lm32 3.1.0 Kernel Configuration
+#
+CONFIG_LM32=y
+CONFIG_GENERIC_GPIO=y
+# CONFIG_MMU is not set
+CONFIG_NO_DMA=y
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_GENERIC_CSUM=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_GPIO=y
-CONFIG_GENERIC_IRQ_SHOW=y
-# CONFIG_GEN_RTC is not set
-CONFIG_GPIOLIB=y
-CONFIG_GPIO_SYSFS=y
-# CONFIG_HAMRADIO is not set
-CONFIG_HAS_IOMEM=y
-# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_NO_IOPORT=y
+# CONFIG_APM_EMULATION is not set
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_CROSS_COMPILE=""
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_DEFAULT_HOSTNAME="(none)"
+# CONFIG_SYSVIPC is not set
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_FHANDLE is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
 CONFIG_HAVE_GENERIC_HARDIRQS=y
-CONFIG_HAVE_MEMBLOCK=y
-# CONFIG_HIGH_RES_TIMERS is not set
-CONFIG_HW_CONSOLE=y
-CONFIG_INET_DIAG=y
-CONFIG_INET_TCP_DIAG=y
+
+#
+# IRQ subsystem
+#
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_SHOW=y
+
+#
+# RCU Subsystem
+#
+CONFIG_TINY_RCU=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=12
+# CONFIG_NAMESPACES is not set
+# CONFIG_SCHED_AUTOGROUP is not set
+# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_RELAY is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_INOTIFY_USER=y
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EXPERT=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
-CONFIG_KERNEL_BASE_ADDR=0x40000000
-# CONFIG_KEYBOARD_GPIO is not set
-CONFIG_KEYBOARD_SOFTUSB=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_HOTPLUG is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+# CONFIG_ELF_CORE is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_FUTEX=y
+# CONFIG_EPOLL is not set
+# CONFIG_SIGNALFD is not set
+CONFIG_TIMERFD=y
+# CONFIG_EVENTFD is not set
+CONFIG_AIO=y
+CONFIG_EMBEDDED=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set
+# CONFIG_PROFILING is not set
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=1
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
 # CONFIG_LBDAF is not set
-CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_GPIO_OF=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
-CONFIG_LM32=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_BSGLIB is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+
+#
+# Processor, Board and Features
+#
+CONFIG_PLAT_MILKYMIST=y
+CONFIG_CPU_MICO32=y
+CONFIG_BOARD_MILKYMIST_ONE=y
+CONFIG_CPU_CLOCK=83333333
+CONFIG_KERNEL_BASE_ADDR=0x40000000
+CONFIG_EARLY_PRINTK=y
 # CONFIG_LM32_HW_JTAG is not set
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_CLUT224=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOG_BUF_SHIFT=12
-CONFIG_MARVELL_PHY=y
-CONFIG_MDIO_BITBANG=y
-# CONFIG_MDIO_GPIO is not set
-CONFIG_MICREL_PHY=y
-# CONFIG_MII is not set
-# CONFIG_MISC_DEVICES is not set
-# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set
-CONFIG_MMC=y
-CONFIG_MMC_BLOCK=y
-# CONFIG_MMU is not set
-CONFIG_MSDOS_FS=y
-# CONFIG_MTD is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_HZ_100=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=100
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_FLATMEM_MANUAL=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
 CONFIG_NEED_PER_CPU_KM=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETWORK_FILESYSTEMS is not set
-# CONFIG_NET_ETHERNET is not set
+# CONFIG_CLEANCACHE is not set
+
+#
+# Executable file formats
+#
+# CONFIG_BINFMT_ELF_FDPIC is not set
+CONFIG_BINFMT_FLAT=y
+# CONFIG_BINFMT_ZFLAT is not set
+# CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE_DEMUX is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_L2TP is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
-CONFIG_NLS=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
-CONFIG_NO_DMA=y
-CONFIG_NO_IOPORT=y
+# CONFIG_DCB is not set
+# CONFIG_BATMAN_ADV is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+# CONFIG_CAIF is not set
+# CONFIG_CEPH_LIB is not set
+# CONFIG_NFC is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+CONFIG_DTC=y
 CONFIG_OF=y
+
+#
+# Device Tree and Open Firmware support
+#
+# CONFIG_PROC_DEVICETREE is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_EARLY_FLATTREE=y
 CONFIG_OF_ADDRESS=y
+CONFIG_OF_IRQ=y
 CONFIG_OF_DEVICE=y
-CONFIG_OF_EARLY_FLATTREE=y
-CONFIG_OF_FLATTREE=y
 CONFIG_OF_GPIO=y
-CONFIG_OF_IRQ=y
-CONFIG_OF_MDIO=y
-CONFIG_OF_NET=y
-CONFIG_PAGEFLAGS_EXTENDED=y
-# CONFIG_PARTITION_ADVANCED is not set
-CONFIG_PHYLIB=y
-CONFIG_PLAT_MILKYMIST=y
-CONFIG_PPP=y
-CONFIG_PPP_ASYNC=y
-CONFIG_PPP_BSDCOMP=y
-CONFIG_PPP_DEFLATE=y
-# CONFIG_PPP_FILTER is not set
-# CONFIG_PPP_MULTILINK is not set
-CONFIG_PPP_SYNC_TTY=y
-# CONFIG_PREEMPT_RCU is not set
-# CONFIG_PROC_DEVICETREE is not set
-# CONFIG_QUOTACTL is not set
-CONFIG_RD_GZIP=y
-# CONFIG_RD_LZMA is not set
-CONFIG_ROMFS_BACKED_BY_BLOCK=y
-CONFIG_ROMFS_FS=y
-CONFIG_ROMFS_ON_BLOCK=y
-# CONFIG_RTC is not set
-# CONFIG_RTC_CLASS is not set
-# CONFIG_SCHED_HRTICK is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=8192
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_RBD is not set
+# CONFIG_SENSORS_LIS3LV02D is not set
+# CONFIG_MISC_DEVICES is not set
+
+#
+# SCSI device support
+#
+CONFIG_SCSI_MOD=y
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
 # CONFIG_SCSI_DMA is not set
-# CONFIG_SDIO_UART is not set
-# CONFIG_SERIAL_8250 is not set
-CONFIG_SERIAL_MILKYMIST=y
-CONFIG_SERIAL_MILKYMIST_CONSOLE=y
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_GPIO_POLLED is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_SOFTUSB is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
 CONFIG_SERIO=y
 # CONFIG_SERIO_I8042 is not set
+# CONFIG_SERIO_SERPORT is not set
 CONFIG_SERIO_LIBPS2=y
-# CONFIG_SERIO_PS2MULT is not set
 # CONFIG_SERIO_RAW is not set
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_SIGNALFD is not set
-CONFIG_SLHC=y
-# CONFIG_SQUASHFS is not set
-# CONFIG_STAGING is not set
-# CONFIG_STRIP_ASM_SYMS is not set
-# CONFIG_SYN_COOKIES is not set
-# CONFIG_SYSVIPC is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_CUBIC=y
-CONFIG_VFAT_FS=y
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_VLAN_8021Q is not set
-CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_SERIO_PS2MULT is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
 CONFIG_VT=y
+# CONFIG_CONSOLE_TRANSLATIONS is not set
 CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_N_GSM is not set
+# CONFIG_TRACE_SINK is not set
+# CONFIG_DEVKMEM is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
+CONFIG_SERIAL_MILKYMIST=y
+CONFIG_SERIAL_MILKYMIST_NR_UARTS=1
+CONFIG_SERIAL_MILKYMIST_CONSOLE=y
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
+# CONFIG_SERIAL_XILINX_PS_UART is not set
+# CONFIG_TTY_PRINTK is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_RAMOOPS is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+
+#
+# PPS generators support
+#
+
+#
+# PTP clock support
+#
+
+#
+# Enable Device Drivers -> PPS to see the PTP clock options.
+#
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO drivers:
+#
+# CONFIG_GPIO_GENERIC_PLATFORM is not set
+# CONFIG_GPIO_IT8761E is not set
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+
+#
+# MODULbus GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
-# CONFIG_WIRELESS is not set
-# CONFIG_WLAN is not set
-CONFIG_ZONE_DMA_FLAG=0
+# CONFIG_MFD_SUPPORT is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# Virtio drivers
+#
+# CONFIG_VIRTIO_BALLOON is not set
+# CONFIG_STAGING is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_VIRT_DRIVERS is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_FANOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_QUOTACTL is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_PSTORE is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_SECTION_MISMATCH is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+# CONFIG_LOCKUP_DETECTOR is not set
+# CONFIG_HARDLOCKUP_DETECTOR is not set
+# CONFIG_DETECT_HUNG_TASK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_SPARSE_RCU_POINTER is not set
+# CONFIG_DEBUG_ATOMIC_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_INFO_REDUCED is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_TEST_LIST_SORT is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_TEST_KSTRTOX is not set
+CONFIG_CMDLINE=""
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY_DMESG_RESTRICT is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_USER_API_HASH is not set
+# CONFIG_CRYPTO_USER_API_SKCIPHER is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+# CONFIG_CRC8 is not set
+CONFIG_ZLIB_INFLATE=y
+# CONFIG_XZ_DEC is not set
+# CONFIG_XZ_DEC_BCJ is not set
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_NLATTR=y
+# CONFIG_AVERAGE is not set
+# CONFIG_CORDIC is not set
diff --git a/toolchain/gcc/Makefile.inc b/toolchain/gcc/Makefile.inc
index 4586d5282..0a331a0c4 100644
--- a/toolchain/gcc/Makefile.inc
+++ b/toolchain/gcc/Makefile.inc
@@ -50,8 +50,8 @@ DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
 LIBSTDCXXVER:=		19
 endif
 ifeq ($(ADK_TOOLCHAIN_GCC_LM32),y)
-PKG_VERSION:=		4.6.4
-PKG_HASH:=		53de33db01815914b3905a7d2cefac1ecf24ad081b82d93e4f526d8e62ff736f
+PKG_VERSION:=		4.5.4
+PKG_HASH:=		33fb968907ef7b6c528f6395ba049eb34c4df859bf5aa6c2bc3856268801e078
 PKG_SITES:=		https://ftp.gnu.org/gnu/gcc/gcc-$(PKG_VERSION)/
 PKG_RELEASE:=		1
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
diff --git a/toolchain/gcc/patches/4.5.4/gcc.lm32 b/toolchain/gcc/patches/4.5.4/gcc.lm32
new file mode 100644
index 000000000..f32fb0dbd
--- /dev/null
+++ b/toolchain/gcc/patches/4.5.4/gcc.lm32
@@ -0,0 +1,123 @@
+diff -Nur gcc-4.5.4.orig/gcc/config/linux.h gcc-4.5.4/gcc/config/linux.h
+--- gcc-4.5.4.orig/gcc/config/linux.h	2009-04-09 17:00:19.000000000 +0200
++++ gcc-4.5.4/gcc/config/linux.h	2019-10-30 05:54:06.757623089 +0100
+@@ -129,9 +129,9 @@
+ 
+ /* Determine whether the entire c99 runtime
+    is present in the runtime library.  */
+-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
++#define TARGET_C99_FUNCTIONS 1
+ 
+ /* Whether we have sincos that follows the GNU extension.  */
+-#define TARGET_HAS_SINCOS (OPTION_GLIBC)
++#define TARGET_HAS_SINCOS 1
+ 
+ #define TARGET_POSIX_IO
+diff -Nur gcc-4.5.4.orig/gcc/config/lm32/uclinux-elf.h gcc-4.5.4/gcc/config/lm32/uclinux-elf.h
+--- gcc-4.5.4.orig/gcc/config/lm32/uclinux-elf.h	2009-11-11 17:43:06.000000000 +0100
++++ gcc-4.5.4/gcc/config/lm32/uclinux-elf.h	2019-10-30 05:19:16.775704264 +0100
+@@ -80,6 +80,3 @@
+ #define LINK_GCC_C_SEQUENCE_SPEC \
+   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+ 
+-#undef  CC1_SPEC
+-#define CC1_SPEC "%{G*} %{!fno-PIC:-fPIC}"
+-
+diff -Nur gcc-4.5.4.orig/gcc/config/t-linux gcc-4.5.4/gcc/config/t-linux
+--- gcc-4.5.4.orig/gcc/config/t-linux	2009-04-21 21:03:23.000000000 +0200
++++ gcc-4.5.4/gcc/config/t-linux	2019-10-30 05:19:24.584204609 +0100
+@@ -18,9 +18,9 @@
+ # <http://www.gnu.org/licenses/>.
+ 
+ # Compile crtbeginS.o and crtendS.o with pic.
+-CRTSTUFF_T_CFLAGS_S = $(CRTSTUFF_T_CFLAGS) -fPIC
++CRTSTUFF_T_CFLAGS_S = $(CRTSTUFF_T_CFLAGS)
+ # Compile libgcc2.a with pic.
+-TARGET_LIBGCC2_CFLAGS = -fPIC
++TARGET_LIBGCC2_CFLAGS =
+ 
+ # Override t-slibgcc-elf-ver to export some libgcc symbols with
+ # the symbol versions that glibc used.
+diff -Nur gcc-4.5.4.orig/gcc/config.gcc gcc-4.5.4/gcc/config.gcc
+--- gcc-4.5.4.orig/gcc/config.gcc	2012-06-04 11:55:35.000000000 +0200
++++ gcc-4.5.4/gcc/config.gcc	2019-10-30 05:19:24.596205378 +0100
+@@ -1528,7 +1528,7 @@
+ 	tmake_file="${tmake_file} lm32/t-lm32 lm32/t-fprules-softfp soft-fp/t-softfp"
+ 	tmake_file="${tmake_file} t-rtems"
+          ;;
+-lm32-*-uclinux*)
++lm32-*-*linux*)
+         tm_file="dbxelf.h elfos.h ${tm_file} linux.h lm32/uclinux-elf.h"
+ 	tmake_file="${tmake_file} lm32/t-lm32 lm32/t-fprules-softfp soft-fp/t-softfp"
+         ;;
+diff -Nur gcc-4.5.4.orig/libgcc/config/lm32/_ashlsi3.S gcc-4.5.4/libgcc/config/lm32/_ashlsi3.S
+--- gcc-4.5.4.orig/libgcc/config/lm32/_ashlsi3.S	2009-11-11 17:43:06.000000000 +0100
++++ gcc-4.5.4/libgcc/config/lm32/_ashlsi3.S	2019-10-30 05:18:56.782423164 +0100
+@@ -30,6 +30,10 @@
+         .global __ashlsi3
+         .type __ashlsi3,@function
+ 
++        .global __ashlsi3_0
++        .hidden __ashlsi3_0
++        .type __ashlsi3_0,@function
++
+         .align 4        
+ __ashlsi3:
+         /* Only use 5 LSBs, as that's all the h/w shifter uses.  */
+@@ -111,4 +115,4 @@
+ __ashlsi3_0:
+         ret
+                 
+-        
+\ No newline at end of file
++        
+diff -Nur gcc-4.5.4.orig/libgcc/config/lm32/_ashrsi3.S gcc-4.5.4/libgcc/config/lm32/_ashrsi3.S
+--- gcc-4.5.4.orig/libgcc/config/lm32/_ashrsi3.S	2009-11-11 17:43:06.000000000 +0100
++++ gcc-4.5.4/libgcc/config/lm32/_ashrsi3.S	2019-10-30 05:18:56.782423164 +0100
+@@ -27,6 +27,10 @@
+ 
+         .global __ashrsi3
+         .type __ashrsi3,@function
++
++        .global __ashrsi3_0
++        .hidden __ashrsi3_0
++        .type __ashrsi3_0,@function
+                                                   
+ __ashrsi3:
+         /* Only use 5 LSBs, as that's all the h/w shifter uses.  */
+@@ -107,4 +111,4 @@
+         sri     r1, r1, 1
+ __ashrsi3_0:
+         ret
+-        
+\ No newline at end of file
++        
+diff -Nur gcc-4.5.4.orig/libgcc/config/lm32/_lshrsi3.S gcc-4.5.4/libgcc/config/lm32/_lshrsi3.S
+--- gcc-4.5.4.orig/libgcc/config/lm32/_lshrsi3.S	2009-11-11 17:43:06.000000000 +0100
++++ gcc-4.5.4/libgcc/config/lm32/_lshrsi3.S	2019-10-30 05:18:56.782423164 +0100
+@@ -28,6 +28,10 @@
+         .global __lshrsi3
+         .type __lshrsi3,@function
+ 
++        .global __lshrsi3_0
++        .hidden __lshrsi3_0
++        .type __lshrsi3_0,@function
++
+ __lshrsi3:
+         /* Only use 5 LSBs, as that's all the h/w shifter uses.  */
+         andi    r2, r2, 0x1f
+diff -Nur gcc-4.5.4.orig/libgcc/config.host gcc-4.5.4/libgcc/config.host
+--- gcc-4.5.4.orig/libgcc/config.host	2011-08-24 20:03:50.000000000 +0200
++++ gcc-4.5.4/libgcc/config.host	2019-10-30 05:19:24.600205629 +0100
+@@ -363,9 +363,9 @@
+         extra_parts="crtbegin.o crtend.o crti.o crtn.o"
+         tmake_file="lm32/t-lm32 lm32/t-elf t-softfp"
+ 	;;
+-lm32-*-uclinux*)
++lm32-*-linux*)
+         extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
+-        tmake_file="lm32/t-lm32 lm32/t-uclinux t-softfp"
++        tmake_file="lm32/t-lm32 t-softfp"
+ 	;;	
+ m32r-*-elf*|m32r-*-rtems*)
+  	;;