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authorpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-04-11 17:13:04 +0000
committerpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-04-11 17:13:04 +0000
commit0c9433d03263676a6c9142b195f86b0065bfe856 (patch)
treee6ebf397e8ec882c2ce2c0c5221d463c0a5bee5b /nuttx/sched
parentd334d4d0153973bab43e156f8c5326c5084bdd6f (diff)
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Misc STM32 OTF FS driver fixes + More Kconfig files
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4590 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/sched')
-rw-r--r--nuttx/sched/Kconfig308
1 files changed, 134 insertions, 174 deletions
diff --git a/nuttx/sched/Kconfig b/nuttx/sched/Kconfig
index c8fc0413d..ee8486dbe 100644
--- a/nuttx/sched/Kconfig
+++ b/nuttx/sched/Kconfig
@@ -2,58 +2,46 @@
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
-config MM_REGIONS
- int "number of memory regions"
- default 1
- ---help---
- 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 MSEC_PER_TICK
int "tick timer"
default 10
---help---
- The default system timer is 100Hz
- or MSEC_PER_TICK=10. This setting may be defined to
- inform NuttX that the processor hardware is providing
- system timer interrupts at some interrupt interval other
- than 10 msec.
-
+ The default system timer is 100Hz or MSEC_PER_TICK=10. This setting
+ may be defined to inform NuttX that the processor hardware is providing
+ system timer interrupts at some interrupt interval other than 10 msec.
+
config RR_INTERVAL
int "round robin timeslice"
default 0
---help---
- The round robin timeslice will be set
- this number of milliseconds; Round robin scheduling can
- be disabled by setting this value to zero.
-
+ 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
- bool "monitor system performance"
+ bool "Monitor system performance"
default n
---help---
- enables instrumentation in
- scheduler to monitor system performance
-
+ enables instrumentation in scheduler to monitor system performance.
+
config TASK_NAME_SIZE
- int "task name size"
+ int "Maximum task name size"
default 32
---help---
- Spcifies that maximum size of a
- task name to save in the TCB. Useful if scheduler
- instrumentation is selected. Set to zero to disable.
-
+ 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
bool "Enables Julian time conversions"
default n
---help---
- Enables Julian time conversions
-
+ Enables Julian time conversions
+
config START_YEAR
int "start year"
default 2010
-
+
config START_MONTH
int "start month"
default 1
@@ -63,79 +51,73 @@ config START_DAY
default 1
config DEV_CONSOLE
- bool "enable /dev/console"
+ bool "Enable /dev/console"
default y
---help---
- Set if architecture-specific logic
- provides /dev/console. Enables stdout, stderr, stdin.
-
+ Set if architecture-specific logic provides /dev/console. Enables
+ stdout, stderr, stdin.
+
config DEV_LOWCONSOLE
bool "enable low-level serial console"
default n
---help---
- Use the simple, low-level serial console
- driver (minimul support)
-
+ Use the simple, low-level, write-only serial console driver (minimul support)
+
config MUTEX_TYPES:
- bool "enable mutex types"
+ bool "Enable mutex types"
default n
---help---
- Set to enable support for recursive and
- errorcheck mutexes. Enables pthread_mutexattr_settype().
-
+ Set to enable support for recursive and errorcheck mutexes. Enables
+ pthread_mutexattr_settype().
+
config PRIORITY_INHERITANCE
- bool "enable priority inheritance "
+ bool "Enable priority inheritance "
default n
---help---
- Set to enable support for priority
- inheritance on mutexes and semaphores.
-
+ Set to enable support for priority inheritance on mutexes and semaphores.
+
config SEM_PREALLOCHOLDERS
- int "pre alloc holders"
+ int "Pre-allocated holders"
default 16
depends on PRIORITY_INHERITANCE
---help---
- This setting is only used if priority
- inheritance is enabled. It defines the maximum number of
- different threads (minus one) that can take counts on a
- semaphore with priority inheritance support. This may be
- set to zero if priority inheritance is disabled OR if you
- are only using semaphores as mutexes (only one holder) OR
- if no more than two threads participate using a counting
- semaphore.
+ This setting is only used if priority inheritance is enabled.
+ It defines the maximum number of different threads (minus one) that
+ can take counts on a semaphore with priority inheritance support.
+ This may be set to zero if priority inheritance is disabled OR if you
+ are only using semaphores as mutexes (only one holder) OR if no more
+ than two threads participate using a counting semaphore.
config SEM_NNESTPRIO
- int "maximum number of higher priority threads"
+ int "Maximum number of higher priority threads"
default 16
depends on PRIORITY_INHERITANCE
---help---
- 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.
-
+ 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.
+
config FDCLONE_DISABLE
- bool "disable clone all file descriptors"
+ bool "Disable cloning of file descriptors"
default n
---help---
Disable cloning of all file descriptors
by task_create() when a new task is started. If set, all
files/drivers will appear to be closed in the new task.
-
+
config FDCLONE_STDIO
- bool "disable clone file descriptors without stdio"
+ bool "Disable clone file descriptors without stdio"
default n
---help---
- Disable cloning of all but the first
- 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.
-
+ Disable cloning of all but the first 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
- bool "disable cloning of all socket"
+ bool "Disable cloning of socket descriptors"
default n
---help---
Disable cloning of all socket
@@ -143,7 +125,7 @@ config SDCLONE_DISABLE
set, all sockets will appear to be closed in the new task.
config DISABLE_OS_API
- bool "disable os api"
+ bool "Disable NuttX interfaces"
default n
---help---
The following can be used to disable categories of
@@ -151,153 +133,132 @@ config DISABLE_OS_API
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
- bool "disable clock"
+ bool "Disable clock interfaces"
depends on DISABLE_OS_API
default n
config DISABLE_POSIX_TIMERS
- bool "disable posix timers"
+ bool "Disable POSIX timers"
depends on DISABLE_OS_API
default n
config DISABLE_PTHREAD
- bool "disable pthread"
+ bool "Disable pthread support"
depends on DISABLE_OS_API
default n
config DISABLE_SIGNALS
- bool "disable signals"
+ bool "Disable signal support"
depends on DISABLE_OS_API
default n
config DISABLE_MQUEUE
- bool "disable mqueue"
+ bool "Disable POSIX message queue support"
depends on DISABLE_OS_API
default n
config DISABLE_MOUNTPOINT
- bool "disable mount point"
+ bool "Disable support for mount points"
depends on DISABLE_OS_API
default n
config DISABLE_ENVIRON
- bool "disable environ"
+ bool "Disable environment variable support"
depends on DISABLE_OS_API
default n
config DISABLE_POLL
- bool "disable poll"
+ bool "Disable driver poll interfaces"
depends on DISABLE_OS_API
default n
comment "Sizes of configurable things (0 disables)"
config MAX_TASKS
- int "max tasks"
+ int "Max tasks"
default 32
---help---
- The maximum number of simultaneously
- active tasks. This value must be a power of two.
-
+ The maximum number of simultaneously active tasks. This value must be
+ a power of two.
+
config MAX_TASK_ARGS
- int "max task args"
+ int "Maximum number of task arguments"
default 4
---help---
- This controls the maximum number of
- of parameters that a task may receive (i.e., maxmum value
- of 'argc')
-
+ This controls the maximum number of of parameters that a task may
+ receive (i.e., maxmum value of 'argc')
+
config NPTHREAD_KEYS
- int "number pthread keys"
+ int "Number of pthread keys"
default 4
---help---
- The number of items of thread-
- specific data that can be retained
-
+ The number of items of thread-
+ specific data that can be retained
+
config NFILE_DESCRIPTORS
- int "max file descriptors"
+ int "Max file descriptors"
default 16
---help---
- The maximum number of file
- descriptors (one for each open)
-
+ The maximum number of file
+ descriptors (one for each open)
+
config NFILE_STREAMS
- int "max file streams"
+ int "Max file streams"
default 16
---help---
- The maximum number of streams that
- can be fopen'ed
-
+ The maximum number of streams that can be fopen'ed
+
config NAME_MAX
int "name max"
default 32
---help---
The maximum size of a file name.
-
-config STDIO_BUFFER_SIZE
- int "stdio buffer size"
- default 256
- ---help---
- Size of the buffer to allocate
- on fopen. (Only if config _NFILE_STREAMS > 0)
-
-config NUNGET_CHARS
- int "number get chars"
- default 2
- ---help---
- Number of characters that can be
- buffered by ungetc() (Only if config _NFILE_STREAMS > 0)
-
+
config PREALLOC_MQ_MSGS
- int "pre alloc mq_msgs"
+ int "Pre-allocated messages"
default 32
---help---
- The number of pre-allocated message
- structures. The system manages a pool of preallocated
- message structures to minimize dynamic allocations
-
+ The number of pre-allocated message structures. The system manages
+ a pool of preallocated message structures to minimize dynamic allocations
+
config MQ_MAXMSGSIZE
- int "mq max message size"
+ int "Maximum message size"
default 32
---help---
- Message structures are allocated with
- a fixed payload size given by this settin (does not include
- other message structure overhead.
-
+ Message structures are allocated with a fixed payload size given by this
+ setting (does not include other message structure overhead.
+
config MAX_WDOGPARMS
int "max watchdog parms"
default 4
---help---
- Maximum number of parameters that
- can be passed to a watchdog handler
-
+ Maximum number of parameters that
+ can be passed to a watchdog handler
+
config PREALLOC_WDOGS
- int "pre alloc watchdogs"
+ int "Pre-allocated watchdogs"
default 32
---help---
- The number of pre-allocated watchdog
- structures. The system manages a pool of preallocated
- watchdog structures to minimize dynamic allocations
+ The number of pre-allocated watchdog structures. The system manages a
+ pool of preallocated watchdog structures to minimize dynamic allocations
config PREALLOC_TIMERS
- int "pre alloc timers"
+ int "Pre-allocated timers"
default 8
---help---
- 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.
-
+ 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.
comment "Stack and heap information"
@@ -305,56 +266,55 @@ config BOOT_RUNFROMFLASH
bool "boot run from flash"
default n
---help---
- Some configurations support XIP
- operation from FLASH but must copy initialized .data sections to RAM.
- (should also be =n for the LPC17xx which always runs from flash)
-
+ Some configurations support XIP operation from FLASH but must copy
+ initialized .data sections to RAM
+
config BOOT_COPYTORAM
bool "boot copy to ram"
default n
---help---
- Some configurations boot in FLASH
- but copy themselves entirely into RAM for better performance.
-
+ Some configurations boot in FLASH
+ but copy themselves entirely into RAM for better performance.
+
config CUSTOM_STACK
- bool "enable custom stack"
+ bool "Enable custom stack"
default n
---help---
- The up_ implementation will handle
- all stack operations outside of the nuttx model.
-
+ The up_ implementation will handle all stack operations outside of the
+ nuttx model. This is necessary for certain architectures that have
+ have hardware stacks (such as the 8051 family).
+
config STACK_POINTER
hex ""
default 0
---help---
- The initial stack pointer (arm7tdmi only)
-
+ The initial stack pointer (arm7tdmi only)
+
config IDLETHREAD_STACKSIZE
- int "idle thread stack size"
+ int "Idle thread stack size"
default 1024
---help---
- The size of the initial stack.
- This is the thread that (1) performs the inital boot of the system up
- to the point where user_start() is spawned, and (2) there after is the
- IDLE thread that executes only when there is no other thread ready to
- run.
-
+ The size of the initial stack used by the IDLE thread. The IDLE thread
+ is the thread that (1) performs the inital boot of the system up to the
+ point where user_start() is spawned, and (2) there after is the IDLE
+ thread that executes only when there is no other thread ready to run.
+
config USERMAIN_STACKSIZE
- int "main thread stack size"
+ int "Main thread stack size"
default 2048
---help---
- The size of the stack to allocate
- for the main user thread that begins at the user_start() entry point.
-
+ The size of the stack to allocate for the main user thread that begins at
+ the user_start() entry point.
+
config PTHREAD_STACK_MIN
- int "minimum thrad stack size"
+ int "Minimum pthread stack size"
default 256
---help---
- Minimum pthread stack size
-
+ Minimum pthread stack size
+
config PTHREAD_STACK_DEFAULT
- int "default stack size"
+ int "Default pthread stack size"
default 2048
---help---
- Default pthread stack size
-
+ Default pthread stack size
+