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Add a stub for the QEMU serial driver

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3341 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-03-05 20:05:01 +00:00
parent ddd331731a
commit b8b94f9b89
1 changed files with 97 additions and 111 deletions
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208
configs/qemu-i486/ostest/defconfig
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@ -86,67 +86,61 @@ CONFIG_ARCH_DMA=n
# #
# General OS setup # General OS setup
# #
# CONFIG_APP_DIR - Identifies the relative path to the directory # CONFIG_APP_DIR - Identifies the relative path to the directory that builds
# that builds the application to link with NuttX. # the application to link with NuttX.
# CONFIG_DEBUG - enables built-in debug options # CONFIG_DEBUG - enables built-in debug options
# CONFIG_DEBUG_VERBOSE - enables verbose debug output # CONFIG_DEBUG_VERBOSE - enables verbose debug output
# CONFIG_DEBUG_SYMBOLS - build without optimization and with # CONFIG_DEBUG_SYMBOLS - build without optimization and with debug symbols
# debug symbols (needed for use with a debugger). # (needed for use with a debugger).
# CONFIG_MM_REGIONS - If the architecture includes multiple # CONFIG_MM_REGIONS - If the architecture includes multiple regions of memory
# regions of memory to allocate from, this specifies the # to allocate from, this specifies the number of memory regions that the
# number of memory regions that the memory manager must # memory manager must handle and enables the API mm_addregion(start, end);
# handle and enables the API mm_addregion(start, end); # CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot time console
# CONFIG_ARCH_LOWPUTC - architecture supports low-level, boot # output.
# time console output # CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz or TICKS_PER_MSEC=10.
# CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz # This setting may be defined to inform NuttX that the processor hardware is
# or TICKS_PER_MSEC=10. This setting may be defined to # providing system timer interrupts at some interrupt interval other than 10
# inform NuttX that the processor hardware is providing # msec.
# system timer interrupts at some interrupt interval other # CONFIG_RR_INTERVAL - The round robin timeslice will be set this number of
# than 10 msec. # milliseconds; Round robin scheduling can be disabled by setting this
# CONFIG_RR_INTERVAL - The round robin timeslice will be set # value to zero.
# this number of milliseconds; Round robin scheduling can # CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in scheduler to
# be disabled by setting this value to zero. # monitor system performance
# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in # CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a task name to save in
# scheduler to monitor system performance # the TCB. Useful if scheduler instrumentation is selected. Set to zero to
# CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a # disable.
# 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_JULIAN_TIME - Enables Julian time conversions
# CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - # CONFIG_START_YEAR, CONFIG_START_MONTH, CONFIG_START_DAY - Used to initialize
# Used to initialize the internal time logic. # the internal time logic.
# CONFIG_DEV_CONSOLE - Set if architecture-specific logic # CONFIG_DEV_CONSOLE - Set if architecture-specific logic provides /dev/console.
# provides /dev/console. Enables stdout, stderr, stdin. # Enables stdout, stderr, stdin.
# CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console # CONFIG_DEV_LOWCONSOLE - Use the simple, low-level serial console driver
# driver (minimul support) # (minimal support)
# CONFIG_MUTEX_TYPES: Set to enable support for recursive and # CONFIG_MUTEX_TYPES: Set to enable support for recursive and errorcheck
# errorcheck mutexes. Enables pthread_mutexattr_settype(). # mutexes. Enables pthread_mutexattr_settype().
# CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority # CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority inheritance
# inheritance on mutexes and semaphores. # on mutexes and semaphores.
# CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority # CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority inheritance
# inheritance is enabled. It defines the maximum number of # is enabled. It defines the maximum number of different threads (minus one)
# different threads (minus one) that can take counts on a # that can take counts on a semaphore with priority inheritance support.
# semaphore with priority inheritance support. This may be # This may be set to zero if priority inheritance is disabled OR if you are
# set to zero if priority inheritance is disabled OR if you # only using semaphores as mutexes (only one holder) OR if no more than two
# are only using semaphores as mutexes (only one holder) OR # threads participate using a counting semaphore.
# if no more than two threads participate using a counting # CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, then this setting
# is the maximum number of higher priority threads (minus 1) than can be
# waiting for another thread to release a count on a semaphore. This value
# may be set to zero if no more than one thread is expected to wait for a
# semaphore. # semaphore.
# CONFIG_SEM_NNESTPRIO. If priority inheritance is enabled, # CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors by task_create()
# then this setting is the maximum number of higher priority # when a new task is started. If set, all files/drivers will appear to be
# threads (minus 1) than can be waiting for another thread # closed in the new task.
# to release a count on a semaphore. This value may be set # CONFIG_FDCLONE_STDIO. Disable cloning of all but the first three file
# to zero if no more than one thread is expected to wait for # descriptors (stdin, stdout, stderr) by task_create() when a new task is
# a semaphore. # started. If set, all files/drivers will appear to be closed in the new
# CONFIG_FDCLONE_DISABLE. Disable cloning of all file descriptors # task except for stdin, stdout, and stderr.
# by task_create() when a new task is started. If set, all # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket desciptors by
# files/drivers will appear to be closed in the new task. # task_create() when a new task is started. If set, all sockets will appear
# CONFIG_FDCLONE_STDIO. Disable cloning of all but the first # to be closed in the new task.
# three file descriptors (stdin, stdout, stderr) by task_create()
# when a new task is started. If set, all files/drivers will
# appear to be closed in the new task except for stdin, stdout,
# and stderr.
# CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
# desciptors by task_create() when a new task is started. If
# set, all sockets will appear to be closed in the new task.
# #
CONFIG_APP_DIR=examples/ostest CONFIG_APP_DIR=examples/ostest
CONFIG_DEBUG=y CONFIG_DEBUG=y
@ -162,7 +156,7 @@ CONFIG_START_MONTH=3
CONFIG_START_DAY=3 CONFIG_START_DAY=3
CONFIG_JULIAN_TIME=n CONFIG_JULIAN_TIME=n
CONFIG_DEV_CONSOLE=y CONFIG_DEV_CONSOLE=y
CONFIG_DEV_LOWCONSOLE=n CONFIG_DEV_LOWCONSOLE=y
CONFIG_MUTEX_TYPES=y CONFIG_MUTEX_TYPES=y
CONFIG_PRIORITY_INHERITANCE=n CONFIG_PRIORITY_INHERITANCE=n
CONFIG_SEM_PREALLOCHOLDERS=0 CONFIG_SEM_PREALLOCHOLDERS=0
@ -172,19 +166,15 @@ CONFIG_FDCLONE_STDIO=n
CONFIG_SDCLONE_DISABLE=y CONFIG_SDCLONE_DISABLE=y
# #
# The following can be used to disable categories of # The following can be used to disable categories ofAPIs supported by the OS.
# APIs supported by the OS. If the compiler supports # If the compiler supports weak functions, then it should not be necessary to
# weak functions, then it should not be necessary to # disable functions unless you want to restrict usage of those APIs.
# disable functions unless you want to restrict usage
# of those APIs.
# #
# There are certain dependency relationships in these # There are certain dependency relationships in these features.
# features.
# #
# o mq_notify logic depends on signals to awaken tasks # o mq_notify logic depends on signals to awaken tasks waiting for queues to
# waiting for queues to become full or empty. # become full or empty.
# o pthread_condtimedwait() depends on signals to wake # o pthread_condtimedwait() depends on signals to wake up waiting tasks.
# up waiting tasks.
# #
CONFIG_DISABLE_CLOCK=n CONFIG_DISABLE_CLOCK=n
CONFIG_DISABLE_POSIX_TIMERS=n CONFIG_DISABLE_POSIX_TIMERS=n
@ -198,16 +188,16 @@ CONFIG_DISABLE_POLL=y
# #
# Misc libc settings # Misc libc settings
# #
# CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a # CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a little smaller if we
# little smaller if we do not support fieldwidthes # do not support fieldwidthes
# #
CONFIG_NOPRINTF_FIELDWIDTH=n CONFIG_NOPRINTF_FIELDWIDTH=n
# #
# Allow for architecture optimized implementations # Allow for architecture optimized implementations
# #
# The architecture can provide optimized versions of the # The architecture can provide optimized versions of the following to improve
# following to improve sysem performance # system performance
# #
CONFIG_ARCH_MEMCPY=n CONFIG_ARCH_MEMCPY=n
CONFIG_ARCH_MEMCMP=n CONFIG_ARCH_MEMCMP=n
@ -226,14 +216,14 @@ CONFIG_ARCH_KFREE=n
## ##
# General build options # General build options
# #
# CONFIG_RRLOAD_BINARY - make the rrload binary format used with # CONFIG_RRLOAD_BINARY - make the rrload binary format used with BSPs from
# BSPs from www.ridgerun.com using the tools/mkimage.sh script # www.ridgerun.com using the tools/mkimage.sh script
# CONFIG_INTELHEX_BINARY - make the Intel HEX binary format # CONFIG_INTELHEX_BINARY - make the Intel HEX binary format used with many
# used with many different loaders using the GNU objcopy program # different loaders using the GNU objcopy program Should not be selected if
# Should not be selected if you are not using the GNU toolchain. # you are not using the GNU toolchain.
# CONFIG_RAW_BINARY - make a raw binary format file used with many # CONFIG_RAW_BINARY - make a raw binary format file used with many different
# different loaders using the GNU objcopy program. This option # loaders using the GNU objcopy program. This option should not be selected
# should not be selected if you are not using the GNU toolchain. # if you are not using the GNU toolchain.
# CONFIG_HAVE_LIBM - toolchain supports libm.a # CONFIG_HAVE_LIBM - toolchain supports libm.a
# #
CONFIG_RRLOAD_BINARY=n CONFIG_RRLOAD_BINARY=n
@ -244,37 +234,33 @@ CONFIG_HAVE_LIBM=y
# #
# Sizes of configurable things (0 disables) # Sizes of configurable things (0 disables)
# #
# CONFIG_MAX_TASKS - The maximum number of simultaneously # CONFIG_MAX_TASKS - The maximum number of simultaneously active tasks. This
# active tasks. This value must be a power of two. # value must be a power of two.
# CONFIG_MAX_TASK_ARGS - This controls the maximum number of # CONFIG_MAX_TASK_ARGS - This controls the maximum number of of parameters
# of parameters that a task may receive (i.e., maxmum value # that a task may receive (i.e., maxmum value of 'argc')
# of 'argc') # CONFIG_NPTHREAD_KEYS - The number of items of thread-specific data that can
# CONFIG_NPTHREAD_KEYS - The number of items of thread- # be retained
# specific data that can be retained # CONFIG_NFILE_DESCRIPTORS - The maximum number of file descriptors (one for
# CONFIG_NFILE_DESCRIPTORS - The maximum number of file # each open)
# descriptors (one for each open) # CONFIG_NFILE_STREAMS - The maximum number of streams that can be fopen'ed
# CONFIG_NFILE_STREAMS - The maximum number of streams that
# can be fopen'ed
# CONFIG_NAME_MAX - The maximum size of a file name. # CONFIG_NAME_MAX - The maximum size of a file name.
# CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate # CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate on fopen. (Only if
# on fopen. (Only if CONFIG_NFILE_STREAMS > 0) # CONFIG_NFILE_STREAMS > 0)
# CONFIG_NUNGET_CHARS - Number of characters that can be # CONFIG_NUNGET_CHARS - Number of characters that can be buffered by ungetc()
# buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0) # (Only if CONFIG_NFILE_STREAMS > 0)
# CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message # CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message structures.
# structures. The system manages a pool of preallocated # The system manages a pool of preallocated message structures to minimize
# message structures to minimize dynamic allocations # dynamic allocations
# CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with # CONFIG_MQ_MAXMSGSIZE - Message structures are allocated with a fixed payload
# a fixed payload size given by this settin (does not include # size given by this settin (does not include other message structure overhead.
# other message structure overhead. # CONFIG_MAX_WDOGPARMS - Maximum number of parameters that can be passed to a
# CONFIG_MAX_WDOGPARMS - Maximum number of parameters that # watchdog handler
# can be passed to a watchdog handler # CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog structures. The
# CONFIG_PREALLOC_WDOGS - The number of pre-allocated watchdog # system manages a pool of preallocated watchdog structures to minimize
# structures. The system manages a pool of preallocated # dynamic allocations
# watchdog structures to minimize dynamic allocations # CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX timer structures.
# CONFIG_PREALLOC_TIMERS - The number of pre-allocated POSIX # The system manages a pool of preallocated timer structures to minimize
# timer structures. The system manages a pool of preallocated # dynamic allocations. Set to zero for all dynamic allocations.
# timer structures to minimize dynamic allocations. Set to
# zero for all dynamic allocations.
# #
CONFIG_MAX_TASKS=64 CONFIG_MAX_TASKS=64
CONFIG_MAX_TASK_ARGS=4 CONFIG_MAX_TASK_ARGS=4