Add a stub for the QEMU serial driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3341 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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@ -86,67 +86,61 @@ CONFIG_ARCH_DMA=n
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#
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# General OS setup
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#
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# CONFIG_APP_DIR - Identifies the relative path to the directory
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# that builds the application to link with NuttX.
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# CONFIG_APP_DIR - Identifies the relative path to the directory that builds
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# the application to link with NuttX.
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# CONFIG_DEBUG - enables built-in debug options
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# CONFIG_DEBUG_VERBOSE - enables verbose debug output
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# CONFIG_DEBUG_SYMBOLS - build without optimization and with
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# debug symbols (needed for use with a debugger).
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# CONFIG_MM_REGIONS - If the architecture includes multiple
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# regions of memory to allocate from, this specifies the
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# number of memory regions that the memory manager must
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# handle and enables the API mm_addregion(start, end);
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# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot
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# time console output
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# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz
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# or TICKS_PER_MSEC=10. This setting may be defined to
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# inform NuttX that the processor hardware is providing
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# system timer interrupts at some interrupt interval other
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# than 10 msec.
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# CONFIG_RR_INTERVAL - The round robin timeslice will be set
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# this number of milliseconds; Round robin scheduling can
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# be disabled by setting this value to zero.
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# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in
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# scheduler to monitor system performance
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# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
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# task name to save in the TCB. Useful if scheduler
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# instrumentation is selected. Set to zero to disable.
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# CONFIG_DEBUG_SYMBOLS - build without optimization and with debug symbols
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# (needed for use with a debugger).
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# CONFIG_MM_REGIONS - If the architecture includes multiple regions of memory
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# to allocate from, this specifies the number of memory regions that the
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# memory manager must handle and enables the API mm_addregion(start, end);
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# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot time console
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# output.
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# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz or TICKS_PER_MSEC=10.
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# This setting may be defined to inform NuttX that the processor hardware is
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# providing system timer interrupts at some interrupt interval other than 10
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# msec.
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# CONFIG_RR_INTERVAL - The round robin timeslice will be set this number of
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# milliseconds; Round robin scheduling can be disabled by setting this
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# value to zero.
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# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in scheduler to
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# monitor system performance
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# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a task name to save in
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# the TCB. Useful if scheduler instrumentation is selected. Set to zero to
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# disable.
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# CONFIG_JULIAN_TIME - Enables Julian time conversions
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# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY -
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# Used to initialize the internal time logic.
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# CONFIG_DEV_CONSOLE - Set if architecture-specific logic
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# provides /dev/console. Enables stdout, stderr, stdin.
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# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console
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# driver (minimul support)
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# CONFIG_MUTEX_TYPES: Set to enable support for recursive and
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# errorcheck mutexes. Enables pthread_mutexattr_settype().
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# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority
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# inheritance on mutexes and semaphores.
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# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority
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# inheritance is enabled. It defines the maximum number of
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# different threads (minus one) that can take counts on a
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# semaphore with priority inheritance support. This may be
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# set to zero if priority inheritance is disabled OR if you
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# are only using semaphores as mutexes (only one holder) OR
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# if no more than two threads participate using a counting
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# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - Used to initialize
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# the internal time logic.
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# CONFIG_DEV_CONSOLE - Set if architecture-specific logic provides /dev/console.
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# Enables stdout, stderr, stdin.
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# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console driver
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# (minimal support)
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# CONFIG_MUTEX_TYPES: Set to enable support for recursive and errorcheck
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# mutexes. Enables pthread_mutexattr_settype().
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# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority inheritance
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# on mutexes and semaphores.
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# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority inheritance
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# is enabled. It defines the maximum number of different threads (minus one)
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# that can take counts on a semaphore with priority inheritance support.
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# This may be set to zero if priority inheritance is disabled OR if you are
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# only using semaphores as mutexes (only one holder) OR if no more than two
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# threads participate using a counting semaphore.
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# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, then this setting
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# is the maximum number of higher priority threads (minus 1) than can be
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# waiting for another thread to release a count on a semaphore. This value
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# may be set to zero if no more than one thread is expected to wait for a
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# semaphore.
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# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled,
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# then this setting is the maximum number of higher priority
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# threads (minus 1) than can be waiting for another thread
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# to release a count on a semaphore. This value may be set
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# to zero if no more than one thread is expected to wait for
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# a semaphore.
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# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors
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# by task_create() when a new task is started. If set, all
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# files/drivers will appear to be closed in the new task.
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# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first
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# three file descriptors (stdin, stdout, stderr) by task_create()
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# when a new task is started. If set, all files/drivers will
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# appear to be closed in the new task except for stdin, stdout,
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# and stderr.
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# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
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# desciptors by task_create() when a new task is started. If
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# set, all sockets will appear to be closed in the new task.
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# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors by task_create()
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# when a new task is started. If set, all files/drivers will appear to be
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# closed in the new task.
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# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first three file
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# descriptors (stdin, stdout, stderr) by task_create() when a new task is
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# started. If set, all files/drivers will appear to be closed in the new
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# task except for stdin, stdout, and stderr.
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# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket desciptors by
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# task_create() when a new task is started. If set, all sockets will appear
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# to be closed in the new task.
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#
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CONFIG_APP_DIR=examples/ostest
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CONFIG_DEBUG=y
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@ -162,7 +156,7 @@ CONFIG_START_MONTH=3
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CONFIG_START_DAY=3
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CONFIG_JULIAN_TIME=n
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CONFIG_DEV_CONSOLE=y
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CONFIG_DEV_LOWCONSOLE=n
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CONFIG_DEV_LOWCONSOLE=y
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CONFIG_MUTEX_TYPES=y
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CONFIG_PRIORITY_INHERITANCE=n
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CONFIG_SEM_PREALLOCHOLDERS=0
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@ -172,19 +166,15 @@ CONFIG_FDCLONE_STDIO=n
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CONFIG_SDCLONE_DISABLE=y
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#
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# The following can be used to disable categories of
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# APIs supported by the OS. If the compiler supports
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# weak functions, then it should not be necessary to
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# disable functions unless you want to restrict usage
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# of those APIs.
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# The following can be used to disable categories ofAPIs supported by the OS.
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# If the compiler supports weak functions, then it should not be necessary to
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# disable functions unless you want to restrict usage of those APIs.
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#
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# There are certain dependency relationships in these
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# features.
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# There are certain dependency relationships in these features.
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#
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# o mq_notify logic depends on signals to awaken tasks
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# waiting for queues to become full or empty.
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# o pthread_condtimedwait() depends on signals to wake
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# up waiting tasks.
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# o mq_notify logic depends on signals to awaken tasks waiting for queues to
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# become full or empty.
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# o pthread_condtimedwait() depends on signals to wake up waiting tasks.
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#
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CONFIG_DISABLE_CLOCK=n
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CONFIG_DISABLE_POSIX_TIMERS=n
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@ -198,16 +188,16 @@ CONFIG_DISABLE_POLL=y
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#
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# Misc libc settings
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#
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# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
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# little smaller if we do not support fieldwidthes
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# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a little smaller if we
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# do not support fieldwidthes
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#
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CONFIG_NOPRINTF_FIELDWIDTH=n
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#
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# Allow for architecture optimized implementations
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#
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# The architecture can provide optimized versions of the
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# following to improve sysem performance
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# The architecture can provide optimized versions of the following to improve
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# system performance
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#
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CONFIG_ARCH_MEMCPY=n
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CONFIG_ARCH_MEMCMP=n
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@ -226,14 +216,14 @@ CONFIG_ARCH_KFREE=n
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##
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# General build options
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#
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# CONFIG_RRLOAD_BINARY - make the rrload binary format used with
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# BSPs from www.ridgerun.com using the tools/mkimage.sh script
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# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format
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# used with many different loaders using the GNU objcopy program
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# Should not be selected if you are not using the GNU toolchain.
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# CONFIG_RAW_BINARY - make a raw binary format file used with many
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# different loaders using the GNU objcopy program. This option
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# should not be selected if you are not using the GNU toolchain.
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# CONFIG_RRLOAD_BINARY - make the rrload binary format used with BSPs from
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# www.ridgerun.com using the tools/mkimage.sh script
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# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format used with many
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# different loaders using the GNU objcopy program Should not be selected if
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# you are not using the GNU toolchain.
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# CONFIG_RAW_BINARY - make a raw binary format file used with many different
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# loaders using the GNU objcopy program. This option should not be selected
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# if you are not using the GNU toolchain.
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# CONFIG_HAVE_LIBM - toolchain supports libm.a
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#
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CONFIG_RRLOAD_BINARY=n
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@ -244,37 +234,33 @@ CONFIG_HAVE_LIBM=y
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#
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# Sizes of configurable things (0 disables)
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#
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# CONFIG_MAX_TASKS - The maximum number of simultaneously
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# active tasks. This value must be a power of two.
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# CONFIG_MAX_TASK_ARGS - This controls the maximum number of
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# of parameters that a task may receive (i.e., maxmum value
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# of 'argc')
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# CONFIG_NPTHREAD_KEYS - The number of items of thread-
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# specific data that can be retained
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# CONFIG_NFILE_DESCRIPTORS - The maximum number of file
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# descriptors (one for each open)
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# CONFIG_NFILE_STREAMS - The maximum number of streams that
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# can be fopen'ed
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# CONFIG_MAX_TASKS - The maximum number of simultaneously active tasks. This
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# value must be a power of two.
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# CONFIG_MAX_TASK_ARGS - This controls the maximum number of of parameters
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# that a task may receive (i.e., maxmum value of 'argc')
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# CONFIG_NPTHREAD_KEYS - The number of items of thread-specific data that can
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# be retained
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# CONFIG_NFILE_DESCRIPTORS - The maximum number of file descriptors (one for
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# each open)
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# CONFIG_NFILE_STREAMS - The maximum number of streams that can be fopen'ed
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# CONFIG_NAME_MAX - The maximum size of a file name.
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# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
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# on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
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# CONFIG_NUNGET_CHARS - Number of characters that can be
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# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
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# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
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# structures. The system manages a pool of preallocated
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# message structures to minimize dynamic allocations
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# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with
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# a fixed payload size given by this settin (does not include
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# other message structure overhead.
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# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that
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# can be passed to a watchdog handler
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# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog
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# structures. The system manages a pool of preallocated
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# watchdog structures to minimize dynamic allocations
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# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX
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# timer structures. The system manages a pool of preallocated
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# timer structures to minimize dynamic allocations. Set to
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# zero for all dynamic allocations.
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# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate on fopen. (Only if
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# CONFIG_NFILE_STREAMS > 0)
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# CONFIG_NUNGET_CHARS - Number of characters that can be buffered by ungetc()
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# (Only if CONFIG_NFILE_STREAMS > 0)
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# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message structures.
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# The system manages a pool of preallocated message structures to minimize
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# dynamic allocations
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# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with a fixed payload
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# size given by this settin (does not include other message structure overhead.
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# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that can be passed to a
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# watchdog handler
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# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog structures. The
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# system manages a pool of preallocated watchdog structures to minimize
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# dynamic allocations
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# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX timer structures.
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# The system manages a pool of preallocated timer structures to minimize
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# dynamic allocations. Set to zero for all dynamic allocations.
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#
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CONFIG_MAX_TASKS=64
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CONFIG_MAX_TASK_ARGS=4
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