0b999c0943
Move various utilities out of lib into own folder for better assignement and management in the maintainer file. lib/os has become another dumping ground for everything and it the Kconfig and contents in that folder became difficult to manage, configure and test. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
119 lines
3.2 KiB
Plaintext
119 lines
3.2 KiB
Plaintext
# Copyright (c) 2016 Intel Corporation
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
menu "OS Support Library"
|
|
|
|
config FDTABLE
|
|
bool "File descriptor table"
|
|
help
|
|
This file provides generic file descriptor table implementation, suitable
|
|
for any I/O object implementing POSIX I/O semantics (i.e. read/write +
|
|
aux operations).
|
|
|
|
config PRINTK_SYNC
|
|
bool "Serialize printk() calls"
|
|
default y if SMP && MP_MAX_NUM_CPUS > 1 && !(EFI_CONSOLE && LOG)
|
|
help
|
|
When true, a spinlock will be taken around the output from a
|
|
single printk() call, preventing the output data from
|
|
interleaving with concurrent usage from another CPU or an
|
|
preempting interrupt.
|
|
|
|
config MPSC_PBUF
|
|
bool "Multi producer, single consumer packet buffer"
|
|
select TIMEOUT_64BIT
|
|
help
|
|
Enable usage of mpsc packet buffer. Packet buffer is capable of
|
|
storing variable length packets in a circular way and operate directly
|
|
on the buffer memory.
|
|
|
|
config SPSC_PBUF
|
|
bool "Single producer, single consumer packet buffer"
|
|
help
|
|
Enable usage of spsc packet buffer. Packet buffer is capable of
|
|
storing variable length packets in a circular way and operate directly
|
|
on the buffer memory.
|
|
|
|
if SPSC_PBUF
|
|
|
|
choice SPSC_PBUF_CACHE_HANDLING
|
|
prompt "Cache handling"
|
|
default SPSC_PBUF_CACHE_ALWAYS if SPSC_PBUF_USE_CACHE && !SPSC_PBUF_NO_CACHE
|
|
default SPSC_PBUF_CACHE_NEVER if !SPSC_PBUF_USE_CACHE && SPSC_PBUF_NO_CACHE
|
|
default SPSC_PBUF_CACHE_FLAG
|
|
|
|
config SPSC_PBUF_CACHE_FLAG
|
|
bool "Use cache flag"
|
|
help
|
|
Use instance specific configuration flag for cache handling.
|
|
|
|
config SPSC_PBUF_CACHE_ALWAYS
|
|
bool "Always handle cache"
|
|
help
|
|
Handle cache writeback and invalidation for all instances. Option used
|
|
to avoid runtime check and thus reduce memory footprint.
|
|
|
|
config SPSC_PBUF_CACHE_NEVER
|
|
bool "Never handle cache"
|
|
help
|
|
Discar cache handling for all instances. Option used to avoid runtime
|
|
check and thus reduce memory footprint.
|
|
|
|
endchoice
|
|
|
|
config SPSC_PBUF_USE_CACHE
|
|
bool
|
|
|
|
config SPSC_PBUF_NO_CACHE
|
|
bool
|
|
|
|
if SPSC_PBUF_CACHE_FLAG || SPSC_PBUF_CACHE_ALWAYS
|
|
|
|
config SPSC_PBUF_REMOTE_DCACHE_LINE
|
|
int "Remote cache line size"
|
|
default 32
|
|
help
|
|
If a packet buffer is used for data sharing between two cores then
|
|
this value should be set to the data cache line size of the remote core.
|
|
If local data cache line is detected at runtime then it should be
|
|
maximum of local and remote line size.
|
|
|
|
endif # SPSC_PBUF_CACHE_FLAG || SPSC_PBUF_CACHE_ALWAYS
|
|
|
|
config SPSC_PBUF_UTILIZATION
|
|
bool "Track maximum utilization"
|
|
help
|
|
When enabled, maximum utilization is tracked which can be used to
|
|
determine the size of the packet buffer.
|
|
|
|
endif # SPSC_PBUF
|
|
|
|
if MPSC_PBUF
|
|
config MPSC_CLEAR_ALLOCATED
|
|
bool "Clear allocated packet"
|
|
help
|
|
When enabled packet space is zeroed before returning from allocation.
|
|
endif
|
|
|
|
config REBOOT
|
|
bool "Reboot functionality"
|
|
help
|
|
Enable the sys_reboot() API. Enabling this can drag in other subsystems
|
|
needed to perform a "safe" reboot (e.g. to stop the system clock before
|
|
issuing a reset).
|
|
|
|
config HAS_POWEROFF
|
|
bool
|
|
help
|
|
Option to signal that power off functionality is implemented.
|
|
|
|
config POWEROFF
|
|
bool "Power off functionality"
|
|
depends on HAS_POWEROFF
|
|
help
|
|
Enable support for system power off.
|
|
|
|
rsource "Kconfig.cbprintf"
|
|
|
|
endmenu
|