############################################################ # defconfig # # Copyright (C) 2007 Gregory Nutt. All rights reserved. # Author: Gregory Nutt # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in # the documentation and/or other materials provided with the # distribution. # 3. Neither the name Gregory Nutt nor the names of its contributors may be # used to endorse or promote products derived from this software # without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS # OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # ############################################################ # # architecture selection # # CONFIG_ARCH - identifies the arch subdirectory and, hence, the # processor architecture. # CONFIG_ARCH_name - for use in C code. This identifies the # particular chip or SoC that the architecture is implemented # in. # CONFIG_ARCH_BOARD - identifies the configs subdirectory and, hence, # the board that supports the particular chip or SoC. # CONFIG_ARCH_BOARD_name - for use in C code # CONFIG_ENDIAN_BIG - define if big endian (default is little endian) # CONFIG_ARCH=sim CONFIG_ARCH_SIM=y CONFIG_ARCH_BOARD=sim CONFIG_ARCH_BOARD_SIM=y # # General OS setup # # CONFIG_EXAMPLE - identifies the subdirectory in examples # that will be used in the build # CONFIG_DEBUG - enables built-in debug options # CONFIG_DEBUG_VERBOSE - enables verbose debug output # CONFIG_MM_REGIONS - If the architecture includes multiple # regions of memory to allocate from, this specifies the # number of memory regions that the memory manager must # handle and enables the API mm_addregion(start, end); # CONFIG_HAVE_LOWPUTC - architecture supports low-level, boot # time console output # CONFIG_RR_INTERVAL - The round robin timeslice will be set # this number of milliseconds; Round robin scheduling can # be disabled by setting this value to zero. # CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in # scheduler to monitor system performance # CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a # task name to save in the TCB. Useful if scheduler # instrumentation is selected. Set to zero to disable. # CONFIG_JULIAN_TIME - Enables Julian time conversions # CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - # Used to initialize the internal time logic. # CONFIG_DEV_CONSOLE - Set if architecture-specific logic # provides /dev/console. Enables stdout, stderr, stdin. # CONFIG_EXAMPLE=ostest CONFIG_DEBUG=y CONFIG_DEBUG_VERBOSE=y CONFIG_MM_REGIONS=1 CONFIG_ARCH_LOWPUTC=y CONFIG_RR_INTERVAL=0 CONFIG_SCHED_INSTRUMENTATION=n CONFIG_TASK_NAME_SIZE=32 CONFIG_START_YEAR=2007 CONFIG_START_MONTH=2 CONFIG_START_DAY=27 CONFIG_JULIAN_TIME=n CONFIG_DEV_CONSOLE=y # # The following can be used to disable categories of # APIs supported by the OS. If the compiler supports # weak functions, then it should not be necessary to # disable functions unless you want to restrict usage # of those APIs. # # There are certain dependency relationships in these # features. # # o mq_notify logic depends on signals to awaken tasks # waiting for queues to become full or empty. # o pthread_condtimedwait() depends on signals to wake # up waiting tasks. # CONFIG_DISABLE_CLOCK=n CONFIG_DISABLE_POSIX_TIMERS=n CONFIG_DISABLE_PTHREAD=n CONFIG_DISABLE_SIGNALS=n CONFIG_DISABLE_MQUEUE=n # # Misc libc settings # # CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a # little smaller if we do not support fieldwidthes # CONFIG_NOPRINTF_FIELDWIDTH=n # # Allow for architecture optimized implementations # # The architecture can provide optimized versions of the # following to improve sysem performance # CONFIG_ARCH_MEMCPY=n CONFIG_ARCH_MEMCMP=n CONFIG_ARCH_MEMMOVE=n CONFIG_ARCH_MEMSET=n CONFIG_ARCH_STRCMP=n CONFIG_ARCH_STRCPY=n CONFIG_ARCH_STRNCPY=n CONFIG_ARCH_STRLEN=n CONFIG_ARCH_BZERO=n CONFIG_ARCH_KMALLOC=n CONFIG_ARCH_KZMALLOC=n CONFIG_ARCH_KFREE=n # # General build options # # CONFIG_RRLOAD_BINARY - make the rrload binary format used with # BSPs from www.ridgerun.com # CONFIG_RRLOAD_BINARY=n # # Sizes of configurable things (0 disables) # # CONFIG_MAX_TASKS - The maximum number of simultaneously # active tasks. This value must be a power of two. # CONFIG_MAX_TASK_ARGS - This controls the maximum number of # of parameters that a task may receive (i.e., maxmum value # of 'argc') # CONFIG_NPTHREAD_KEYS - The number of items of thread- # specific data that can be retained # CONFIG_NFILE_DESCRIPTORS - The maximum number of file # descriptors (one for each open) # CONFIG_NFILE_STREAMS - The maximum number of streams that # can be fopen'ed # CONFIG_NAME_MAX - The maximum size of a file name. # CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate # on fopen. (Only if CONFIG_NFILE_STREAMS > 0) # CONFIG_NUNGET_CHARS - Number of characters that can be # buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0) # CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message # structures. The system manages a pool of preallocated # message structures to minimize dynamic allocations # CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with # a fixed payload size given by this settin (does not include # other message structure overhead. # CONFIG_MAX_WDOGPARMS - Maximum number of parameters that # can be passed to a watchdog handler # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog # structures. The system manages a pool of preallocated # watchdog structures to minimize dynamic allocations # CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX # timer structures. The system manages a pool of preallocated # timer structures to minimize dynamic allocations. Set to # zero for all dynamic allocations. # CONFIG_MAX_TASKS=64 CONFIG_MAX_TASK_ARGS=4 CONFIG_NPTHREAD_KEYS=4 CONFIG_NFILE_DESCRIPTORS=32 CONFIG_NFILE_STREAMS=16 CONFIG_NAME_MAX=32 CONFIG_STDIO_BUFFER_SIZE=1024 CONFIG_NUNGET_CHARS=2 CONFIG_PREALLOC_MQ_MSGS=32 CONFIG_MQ_MAXMSGSIZE=32 CONFIG_MAX_WDOGPARMS=4 CONFIG_PREALLOC_WDOGS=32 CONFIG_PREALLOC_TIMERS=8 # # FAT filesystem configuration # CONFIG_FS_FAT - Enable FAT filesystem support # CONFIG_FAT_SECTORSIZE - Max supported sector size CONFIG_FS_FAT=y # # Stack and heap information # # CONFIG_BOOT_FROM_FLASH - Some configurations support XIP # operation from FLASH. # CONFIG_CUSTOM_STACK - The up_ implementation will handle # all stack operations outside of the nuttx model. # CONFIG_STACK_POINTER - The initial stack pointer # CONFIG_PROC_STACK_SIZE - The size of the initial stack # CONFIG_PTHREAD_STACK_MIN - Minimum pthread stack size # CONFIG_PTHREAD_STACK_DEFAULT - Default pthread stack size # CONFIG_HEAP_BASE - The beginning of the heap # CONFIG_HEAP_SIZE - The size of the heap # CONFIG_BOOT_FROM_FLASH=n CONFIG_CUSTOM_STACK=n CONFIG_PROC_STACK_SIZE=0x00001000 CONFIG_PTHREAD_STACK_MIN=256 CONFIG_PTHREAD_STACK_DEFAULT=8192 CONFIG_HEAP_BASE= CONFIG_HEAP_SIZE=