linker problem with xip kernel and recent toolchains
Marc Kleine-Budde
mkl at pengutronix.de
Tue Dec 11 08:43:10 EST 2012
On 12/11/2012 02:01 PM, Pawel Moll wrote:
> On Tue, 2012-12-04 at 14:46 +0000, Marc Kleine-Budde wrote:
>> we've just discovered a linker problem with newer toolchains, that
>> support --build-id and xip kernels. The resulting vmlinux is about 13
>> MiB big, but the xipimage ~2GiB.
>>
>> A look at the vmlinux's objdump shows that the .notes section is around
>> 2 GiB and it's placed by the linker script into the RAM. With the ROM
>> starting at 0x0 this results into a ~2 GiB big image.
>>
>>> [16] .data PROGBITS 88008000 0a0000 012aa0 00 WA 0 0 256
>>> [17] .notes NOTE 8801aaa0 0b2aa0 000024 00 AX 0 0 4
>>> [18] .bss NOBITS 8801aae0 0b2ac4 005414 00 WA 0 0 32
>>
>> After discarding the .notes section in the objcopy (see patch below) the
>> resulting binary images has a proper size again.
>
> Could you please send me the configuration you're using to get the XIP
> kernel? I'll try to get my head around this problem and check how other
> architectures are dealing with the problem.
What about putting the notes section into the read only segment, i.e.
the ROM?
.config is attached. It's against 3.6.10 + some patches. The problem
does not occur with our uclibc based toolchain, which doesn't crate a
.notes section, but it still happens with a newlib based one.
> ${CROSS_COMPILE}gcc -v
> Using built-in specs.
> COLLECT_GCC=/home/mol/vcs/OSELAS.Toolchain-2011.02/inst.keep/opt/OSELAS.Toolchain-2011.11.0/arm-cortexm3-eabi/gcc-4.7.2-newlib-1.19.0-binutils-2.22/bin/arm-cortexm3-eabi-gcc
> COLLECT_LTO_WRAPPER=/home/mol/vcs/OSELAS.Toolchain-2011.02/inst.keep/opt/OSELAS.Toolchain-2011.11.0/arm-cortexm3-eabi/gcc-4.7.2-newlib-1.19.0-binutils-2.22/bin/../libexec/gcc/arm-cortexm3-eabi/4.7.2/lto-wrapper
> Target: arm-cortexm3-eabi
> Configured with: /home/mol/vcs/OSELAS.Toolchain-2011.02/platform-arm-cortexm3-eabi-gcc-4.7.2-newlib-1.19.0-binutils-2.22/build-cross/gcc-4.7.2/configure --build=x86_64-host-linux-gnu --host=x86_64-host-linux-gnu --target=arm-cortexm3-eabi --enable-multilib --with-float=soft --with-fpu=vfp --with-cpu=cortex-m3 --with-mode=thumb --with-newlib --disable-__cxa_atexit --enable-sjlj-exceptions --disable-nls --disable-decimal-float --disable-fixed-point --disable-win32-registry --enable-symvers=gnu --with-pkgversion=OSELAS.Toolchain-2011.11.0 --enable-threads=single --with-system-zlib --with-gmp=/home/mol/vcs/OSELAS.Toolchain-2011.02/platform-arm-cortexm3-eabi-gcc-4.7.2-newlib-1.19.0-binutils-2.22/sysroot-host --with-mpfr=/home/mol/vcs/OSELAS.Toolchain-2011.02/platform-arm-cortexm3-eabi-gcc-4.7.2-newlib-1.19.0-binutils-2.22/sysroot-host --prefix=/home/mol/vcs/OSELAS.Toolchain-2011.02/inst/opt/OSELAS.Toolchain-2011.11.0/arm-cortexm3-eabi/gcc-4.7.2-newlib-1.19.0-binutils-2.22 --enable-langua
ges=c --enable-c99 --enable-long-long --enable-libstdcxx-debug --enable-profile --disable-shared --disable-libssp --enable-checking=release
> Thread model: single
> gcc version 4.7.2 (OSELAS.Toolchain-2011.11.0)
Here the readelf output:
ROM starts at 0x0
RAM starts at 88008000
> Section Headers:
> [Nr] Name Type Addr Off Size ES Flg Lk Inf Al
> [ 0] NULL 00000000 000000 000000 00 0 0 0
> [ 1] .bootloader PROGBITS 00000000 008000 000300 00 AX 0 0 8
> [ 2] .head.text PROGBITS 00000300 008300 00004c 00 AX 0 0 4
> [ 3] .text PROGBITS 00000360 008360 077844 00 AX 0 0 32
> [ 4] .text.init PROGBITS 00077ba4 07fba4 00009c 00 AX 0 0 4
> [ 5] .rodata PROGBITS 00078000 080000 00d9c8 00 A 0 0 32
> [ 6] __param PROGBITS 000859c8 08d9c8 0000a0 00 A 0 0 4
> [ 7] __modver PROGBITS 00085a68 08da68 000598 00 A 0 0 4
> [ 8] .ARM.unwind_idx ARM_EXIDX 00086000 08e000 000040 00 AL 3 0 4
> [ 9] .init.text PROGBITS 00086040 08e040 006b28 00 AX 0 0 8
> [10] .exit.text PROGBITS 0008cb68 094b68 0001f0 00 AX 0 0 4
> [11] .init.proc.info PROGBITS 0008cd58 094d58 000054 00 AX 0 0 2
> [12] .init.arch.info PROGBITS 0008cdac 094dac 000044 00 A 0 0 4
> [13] .init.tagtable PROGBITS 0008cdf0 094df0 000040 00 A 0 0 4
> [14] .init.data PROGBITS 0008ce30 094e30 000388 00 WA 0 0 4
> [15] .data PROGBITS 88008000 098000 012aa0 00 WA 0 0 256
> [16] .notes NOTE 8801aaa0 0aaaa0 000024 00 A 0 0 4
> [17] .bss NOBITS 8801aae0 0aaac4 005414 00 WA 0 0 32
> [18] .comment PROGBITS 00000000 0aaac4 000028 01 MS 0 0 1
> [19] .ARM.attributes ARM_ATTRIBUTES 00000000 0aaaec 00002b 00 0 0 1
> [20] .debug_line PROGBITS 00000000 0aab17 098048 00 0 0 1
> [21] .debug_info PROGBITS 00000000 142b5f 88b2f3 00 0 0 1
> [22] .debug_abbrev PROGBITS 00000000 9cde52 06a5dc 00 0 0 1
> [23] .debug_aranges PROGBITS 00000000 a38430 003b20 00 0 0 8
> [24] .debug_ranges PROGBITS 00000000 a3bf50 0296e0 00 0 0 8
> [25] .debug_frame PROGBITS 00000000 a65630 025388 00 0 0 4
> [26] .debug_str PROGBITS 00000000 a8a9b8 03ef39 01 MS 0 0 1
> [27] .debug_loc PROGBITS 00000000 ac98f1 169767 00 0 0 1
> [28] .shstrtab STRTAB 00000000 c33058 000141 00 0 0 1
> [29] .symtab SYMTAB 00000000 c33674 03bf70 10 30 11065 4
> [30] .strtab STRTAB 00000000 c6f5e4 0205da 00 0 0 1
I can put the kernel patches and the toolchain on our ftp for download.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
-------------- next part --------------
#
# Automatically generated file; DO NOT EDIT.
# Linux/arm 3.6.10 Kernel Configuration
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
CONFIG_GENERIC_GPIO=y
CONFIG_NO_IOPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_VECTORS_BASE=0x00000000
CONFIG_PHYS_OFFSET=0x88000000
CONFIG_GENERIC_BUG=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_HAVE_IRQ_WORK=y
#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_XZ is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
# CONFIG_SYSVIPC is not set
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_FHANDLE is not set
CONFIG_HAVE_GENERIC_HARDIRQS=y
#
# IRQ subsystem
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_KTIME_SCALAR=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
#
# RCU Subsystem
#
CONFIG_TINY_RCU=y
# CONFIG_PREEMPT_RCU is not set
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=12
# CONFIG_CHECKPOINT_RESTORE is not set
# 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 is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_ANON_INODES=y
CONFIG_EXPERT=y
# CONFIG_UID16 is not set
# CONFIG_KALLSYMS 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 is not set
# CONFIG_EPOLL is not set
# CONFIG_SIGNALFD is not set
CONFIG_TIMERFD=y
# CONFIG_EVENTFD is not set
# CONFIG_AIO is not set
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_PERF_USE_VMALLOC=y
#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_SLUB_DEBUG is not set
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set
# CONFIG_PROFILING is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
#
# GCOV-based kernel profiling
#
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_BASE_SMALL=1
# CONFIG_MODULES is not set
CONFIG_BLOCK=y
# CONFIG_LBDAF is not set
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_BSGLIB is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
#
# Partition Types
#
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y
#
# 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_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
CONFIG_FREEZER=y
#
# System Type
#
# CONFIG_MMU is not set
# CONFIG_ARCH_SOCFPGA is not set
# CONFIG_ARCH_INTEGRATOR is not set
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_HIGHBANK is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_CNS3XXX is not set
# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_PRIMA2 is not set
# CONFIG_ARCH_EBSA110 is not set
CONFIG_ARCH_EFM32=y
# CONFIG_ARCH_EP93XX is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_MXS is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
# CONFIG_ARCH_MVEBU is not set
# CONFIG_ARCH_DOVE is not set
# CONFIG_ARCH_KIRKWOOD is not set
# CONFIG_ARCH_LPC32XX is not set
# CONFIG_ARCH_MV78XX0 is not set
# CONFIG_ARCH_KS8695 is not set
# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_TEGRA is not set
# CONFIG_ARCH_PICOXCELL is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_SHMOBILE is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C24XX is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_S5P64X0 is not set
# CONFIG_ARCH_S5PC100 is not set
# CONFIG_ARCH_S5PV210 is not set
# CONFIG_ARCH_EXYNOS is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_NOMADIK is not set
# CONFIG_ARCH_DAVINCI is not set
# CONFIG_PLAT_SPEAR is not set
# CONFIG_ARCH_VT8500 is not set
# CONFIG_ARCH_ZYNQ is not set
CONFIG_MACH_EFM32GG_DK3750=y
# CONFIG_EFM32GG_DK3750_FPGA is not set
#
# Processor Type
#
# CONFIG_CPU_ARM7TDMI is not set
# CONFIG_CPU_ARM9TDMI is not set
CONFIG_CPU_V7M=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_32v7M=y
CONFIG_CPU_ABRT_NOMMU=y
CONFIG_CPU_PABRT_LEGACY=y
CONFIG_CPU_CACHE_V7M=y
CONFIG_CPU_CACHE_VIPT=y
#
# Processor Features
#
# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
CONFIG_ARM_THUMB=y
# CONFIG_CACHE_L2X0 is not set
CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_NR_BANKS=8
# CONFIG_SET_MEM_PARAM is not set
CONFIG_DRAM_BASE=0x88000000
CONFIG_DRAM_SIZE=0x00400000
CONFIG_FLASH_MEM_BASE=0x00000000
CONFIG_FLASH_SIZE=0x00100000
CONFIG_ARM_NVIC=y
#
# Bus support
#
# CONFIG_PCI_SYSCALL is not set
# CONFIG_ARCH_SUPPORTS_MSI is not set
#
# Kernel Features
#
CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
CONFIG_ARCH_NR_GPIO=0
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_HZ=100
CONFIG_THUMB2_KERNEL=y
CONFIG_ARM_ASM_UNIFIED=y
CONFIG_AEABI=y
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
CONFIG_HAVE_ARCH_PFN_VALID=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
CONFIG_NEED_PER_CPU_KM=y
# CONFIG_CLEANCACHE is not set
CONFIG_FORCE_MAX_ZONEORDER=9
# CONFIG_SECCOMP is not set
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_DEPRECATED_PARAM_STRUCT is not set
#
# Boot options
#
# CONFIG_USE_OF is not set
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE=""
CONFIG_XIP_KERNEL=y
CONFIG_XIP_PHYS_ADDR=0x00000000
# CONFIG_KEXEC is not set
# CONFIG_CRASH_DUMP is not set
# CONFIG_AUTO_ZRELADDR is not set
#
# CPU Power Management
#
# CONFIG_CPU_IDLE is not set
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
#
# Floating point emulation
#
#
# At least one emulation must be selected
#
#
# Userspace binary formats
#
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_BINFMT_FLAT=y
# CONFIG_BINFMT_ZFLAT is not set
CONFIG_BINFMT_SHARED_FLAT=y
CONFIG_HAVE_AOUT=y
# CONFIG_BINFMT_AOUT is not set
# CONFIG_BINFMT_MISC is not set
#
# Power management options
#
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_PM_SLEEP=y
# CONFIG_PM_AUTOSLEEP is not set
# CONFIG_PM_WAKELOCKS is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
# CONFIG_APM_EMULATION is not set
CONFIG_PM_CLK=y
CONFIG_CPU_PM=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARM_CPU_SUSPEND=y
# CONFIG_NET is not set
CONFIG_HAVE_BPF_JIT=y
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_GENERIC_CPU_DEVICES is not set
# CONFIG_DMA_SHARED_BUFFER is not set
CONFIG_MTD=y
# CONFIG_MTD_REDBOOT_PARTS is not set
# CONFIG_MTD_CMDLINE_PARTS is not set
# CONFIG_MTD_AFS_PARTS is not set
# CONFIG_MTD_AR7_PARTS is not set
#
# User Modules And Translation Layers
#
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLKDEVS=y
# CONFIG_MTD_BLOCK is not set
CONFIG_MTD_BLOCK_RO=y
# CONFIG_FTL is not set
# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
# CONFIG_SM_FTL is not set
# CONFIG_MTD_OOPS is not set
#
# RAM/ROM/Flash chip drivers
#
# CONFIG_MTD_CFI is not set
# CONFIG_MTD_JEDECPROBE is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_I8 is not set
# CONFIG_MTD_RAM is not set
CONFIG_MTD_ROM=y
# CONFIG_MTD_ABSENT is not set
#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PHYSMAP is not set
CONFIG_MTD_UCLINUX=y
# CONFIG_MTD_UCLINUX_EBSS is not set
CONFIG_MTD_UCLINUX_ADDRESS=0x8c000000
CONFIG_MTD_UCLINUX_ROM=y
# CONFIG_MTD_PLATRAM is not set
#
# Self-contained MTD device drivers
#
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_M25P80 is not set
# CONFIG_MTD_SST25L is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_PHRAM is not set
# CONFIG_MTD_MTDRAM is not set
# CONFIG_MTD_BLOCK2MTD is not set
#
# Disk-On-Chip Device Drivers
#
# CONFIG_MTD_DOCG3 is not set
# CONFIG_MTD_NAND is not set
# CONFIG_MTD_ONENAND is not set
#
# LPDDR flash memory drivers
#
# CONFIG_MTD_LPDDR is not set
# CONFIG_MTD_UBI is not set
# CONFIG_PARPORT is not set
# CONFIG_BLK_DEV is not set
#
# Misc devices
#
# CONFIG_AD525X_DPOT is not set
# CONFIG_ATMEL_PWM is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_TI_DAC7512 is not set
# CONFIG_BMP085_SPI is not set
# CONFIG_C2PORT is not set
#
# EEPROM support
#
# CONFIG_EEPROM_AT25 is not set
CONFIG_EEPROM_93CX6=y
# CONFIG_EEPROM_93XX46 is not set
#
# Texas Instruments shared transport line discipline
#
#
# Altera FPGA firmware download module
#
#
# 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_SCSI_NETLINK is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
#
# Input device support
#
# CONFIG_INPUT is not set
#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_UNIX98_PTYS is not set
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_NONSTANDARD=y
# CONFIG_N_HDLC is not set
# CONFIG_TRACE_SINK is not set
# CONFIG_DEVKMEM is not set
# CONFIG_STALDRV is not set
#
# Serial drivers
#
# CONFIG_SERIAL_8250 is not set
#
# Non-8250 serial port support
#
# CONFIG_SERIAL_MAX3100 is not set
# CONFIG_SERIAL_MAX3107 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_IFX6X60 is not set
# CONFIG_SERIAL_XILINX_PS_UART is not set
CONFIG_SERIAL_EFM32_UART=y
CONFIG_SERIAL_EFM32_UART_CONSOLE=y
# CONFIG_TTY_PRINTK is not set
# CONFIG_HVC_DCC is not set
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
# CONFIG_I2C is not set
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
#
# SPI Master Controller Drivers
#
# CONFIG_SPI_ALTERA is not set
CONFIG_SPI_BITBANG=y
CONFIG_SPI_EFM32=y
# CONFIG_SPI_GPIO is not set
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_PXA2XX_PCI is not set
# CONFIG_SPI_XILINX is not set
# CONFIG_SPI_DESIGNWARE is not set
#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
# CONFIG_HSI 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_PINCTRL=y
#
# Pin controllers
#
CONFIG_PINMUX=y
CONFIG_PINCONF=y
# CONFIG_DEBUG_PINCTRL is not set
CONFIG_PINCTRL_EFM32=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_REQUIRE_GPIOLIB=y
CONFIG_GPIOLIB=y
# CONFIG_DEBUG_GPIO is not set
CONFIG_GPIO_SYSFS=y
#
# Memory mapped GPIO drivers:
#
# CONFIG_GPIO_GENERIC_PLATFORM is not set
# CONFIG_GPIO_EM is not set
#
# I2C GPIO expanders:
#
#
# PCI GPIO expanders:
#
#
# SPI GPIO expanders:
#
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MCP23S08 is not set
# CONFIG_GPIO_MC33880 is not set
# CONFIG_GPIO_74X164 is not set
#
# AC97 GPIO expanders:
#
#
# MODULbus GPIO expanders:
#
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
# CONFIG_POWER_AVS is not set
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Native drivers
#
# CONFIG_SENSORS_AD7314 is not set
# CONFIG_SENSORS_ADCXX is not set
CONFIG_SENSORS_EFM32_ADC=y
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_GPIO_FAN is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM70 is not set
# CONFIG_SENSORS_MAX1111 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_SHT15 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_SCH56XX_COMMON is not set
# CONFIG_SENSORS_ADS7871 is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set
CONFIG_BCMA_POSSIBLE=y
#
# Broadcom specific AMBA
#
# CONFIG_BCMA is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_ASIC3 is not set
# CONFIG_HTC_EGPIO is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_TPS65912_SPI is not set
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_T7L66XB is not set
# CONFIG_MFD_TC6387XB is not set
# CONFIG_MFD_TC6393XB is not set
# CONFIG_MFD_DA9052_SPI is not set
# CONFIG_MFD_ARIZONA_SPI is not set
# CONFIG_MFD_WM831X_SPI is not set
# CONFIG_MFD_MC13XXX_SPI is not set
# CONFIG_ABX500_CORE is not set
# CONFIG_EZX_PCAP 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_EXYNOS_VIDEO is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
# CONFIG_SOUND is not set
# CONFIG_USB_ARCH_HAS_OHCI is not set
# CONFIG_USB_ARCH_HAS_EHCI is not set
# CONFIG_USB_ARCH_HAS_XHCI 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_EDAC is not set
CONFIG_RTC_LIB=y
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
#
# Virtio drivers
#
# CONFIG_VIRTIO_BALLOON is not set
# CONFIG_VIRTIO_MMIO is not set
#
# Microsoft Hyper-V guest support
#
# CONFIG_STAGING is not set
#
# Hardware Spinlock drivers
#
CONFIG_CLKSRC_MMIO=y
# CONFIG_IOMMU_SUPPORT is not set
#
# Remoteproc drivers (EXPERIMENTAL)
#
#
# Rpmsg drivers (EXPERIMENTAL)
#
# CONFIG_VIRT_DRIVERS is not set
# CONFIG_PM_DEVFREQ is not set
# CONFIG_EXTCON is not set
# CONFIG_MEMORY is not set
# CONFIG_IIO is not set
# CONFIG_PWM is not set
#
# File systems
#
# CONFIG_EXT2_FS 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 is not set
# CONFIG_FSNOTIFY is not set
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY_USER is not set
# 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_MSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
# CONFIG_PROC_FS is not set
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_JFFS2_FS is not set
# CONFIG_LOGFS is not set
# CONFIG_CRAMFS is not set
# 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_QNX6FS_FS is not set
CONFIG_ROMFS_FS=y
# CONFIG_ROMFS_BACKED_BY_BLOCK is not set
CONFIG_ROMFS_BACKED_BY_MTD=y
# CONFIG_ROMFS_BACKED_BY_BOTH is not set
CONFIG_ROMFS_ON_MTD=y
# CONFIG_PSTORE is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_NLS is not set
#
# Kernel hacking
#
CONFIG_PRINTK_TIME=y
CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM 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_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
# CONFIG_DETECT_HUNG_TASK is not set
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_STATS is not set
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_LOCK_STAT 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_RCU_TRACE 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_NOTIFIER_ERROR_INJECTION is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACING_SUPPORT=y
# CONFIG_FTRACE is not set
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
# CONFIG_TEST_KSTRTOX is not set
CONFIG_ARM_UNWIND=y
# CONFIG_DEBUG_USER is not set
# CONFIG_DEBUG_LL is not set
#
# 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 is not set
# CONFIG_BINARY_PRINTF is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IO=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_T10DIF is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
# CONFIG_CRC8 is not set
# CONFIG_XZ_DEC is not set
# CONFIG_XZ_DEC_BCJ is not set
CONFIG_HAS_IOMEM=y
CONFIG_HAS_DMA=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
# CONFIG_AVERAGE is not set
# CONFIG_CORDIC is not set
# CONFIG_DDR is not set
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