kernel_liteos_a/kernel/Kconfig

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menu "Kernel"
config KERNEL_SMP
bool "Enable Kernel SMP"
default n
help
This option will enable smp support of LiteOS.
config KERNEL_SMP_CORE_NUM
int "Muti-processing Core Numbers"
default 2
depends on KERNEL_SMP
help
This represents the number of muti-processing cores.
config KERNEL_SMP_LOCKDEP
bool "Enable Spinlock Lockdep Check"
default n
depends on KERNEL_SMP
help
This option will enable spinlock lockdep check.
config KERNEL_SMP_TASK_SYNC
bool "Enable Synchronized Task Operations"
default n
depends on KERNEL_SMP
help
This option will enable task synchronized operate task across cores.
config KERNEL_SCHED_STATISTICS
bool "Enable Scheduler statistics"
default n
depends on KERNEL_SMP
help
This option will enable schedulder statistics.
config KERNEL_MMU
bool "Enable MMU"
default y
help
This option will enable mmu.
config KERNEL_VM
bool "Enable VM"
default y
depends on KERNEL_MMU
help
This option will enable vmm, pmm, page fault, etc.
config KERNEL_SYSCALL
bool "Enable Syscall"
default y
depends on KERNEL_VM
help
This option will enable syscall.
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config KERNEL_EXTKERNEL
bool "Enable Extend Kernel"
default y
help
This option will enable extend Kernel of LiteOS. Extend kernel include
cppsupport, cpup, and dynload. You can select one or some
of them.
config KERNEL_CPPSUPPORT
bool "C++ Support"
default y
depends on KERNEL_EXTKERNEL
help
If you wish to build LiteOS with support for C++.
config KERNEL_CPUP
bool "Enable Cpup"
default y
depends on KERNEL_EXTKERNEL
help
If you wish to build LiteOS with support for cpup.
config CPUP_INCLUDE_IRQ
bool "Enable Cpup include irq"
default y
depends on KERNEL_CPUP
help
If you wish to include irq usage for cpup.
config KERNEL_DYNLOAD
bool "Enable Dynamic Load Feature"
default y
depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
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help
If you wish to build LiteOS with support for dynamic load.
config KERNEL_PM
bool "Enable Power Management"
default y
depends on KERNEL_EXTKERNEL
help
If you wish to build LiteOS with support for power management.
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config ASLR
bool "Enable Address Space Layout Randomization"
default n
depends on KERNEL_DYNLOAD && HW_RANDOM_ENABLE
help
If you wish to enable ASLR for user aspace.
config KERNEL_VDSO
bool "Enable VDSO Feature"
default n
depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
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help
If you wish to speed up some system calls.
config KERNEL_HOOK
bool "Enable Hook Feature"
default n
depends on KERNEL_EXTKERNEL && DEBUG_VERSION
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config KERNEL_TRACE
bool "Enable Trace Feature"
default n
depends on KERNEL_HOOK
config TRACE_MSG_EXTEND
bool "Enable Record more extended content"
default n
depends on KERNEL_TRACE
config TRACE_FRAME_CORE_MSG
bool "Record cpuid, hardware interrupt status, task lock status"
default n
depends on TRACE_MSG_EXTEND
config TRACE_FRAME_EVENT_COUNT
bool "Record event count, which indicate the sequence of happend events"
default n
depends on TRACE_MSG_EXTEND
config TRACE_FRAME_MAX_PARAMS
int "Record max params"
default 3
depends on KERNEL_TRACE
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help
Make sure the max value is bigger than the number defined by each #MODULE#_#TYPE#_PARMAS in los_trace.h, e.g. TASK_SWITCH_PARAMS
choice
prompt "Trace work mode"
default RECORDER_MODE_OFFLINE
depends on KERNEL_TRACE
config RECORDER_MODE_ONLINE
bool "Online mode"
select TRACE_CLIENT_INTERACT
config RECORDER_MODE_OFFLINE
bool "Offline mode"
endchoice
config TRACE_BUFFER_SIZE
int "Trace record buffer size"
default 10000
config TRACE_CLIENT_INTERACT
bool "Enable Trace Client Visualization and Control"
default n
depends on KERNEL_TRACE
choice
prompt "Trace Pipeline for Data Transmission"
depends on TRACE_CLIENT_INTERACT
config TRACE_PIPELINE_SERIAL
bool "Via Serial"
endchoice
choice
prompt "Trace Control"
default TRACE_CONTROL_VIA_SHELL
depends on TRACE_CLIENT_INTERACT
help
If you wish to control Trace's start/stop etc.,dynamically by Trace Client.
config TRACE_CONTROL_VIA_SHELL
bool "Via Shell"
select LOSCFG_SHELL
config TRACE_CONTROL_AGENT
bool "Via Trace Agent Task"
config TRACE_NO_CONTROL
bool "No Control"
endchoice
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config KERNEL_SHM
bool "Enable Shared Memory"
default y
depends on KERNEL_EXTKERNEL && KERNEL_VM && KERNEL_SYSCALL
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help
Answer Y to enable LiteOS support shared memory.
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config KERNEL_LITEIPC
bool "Enable liteipc"
default y
depends on KERNEL_EXTKERNEL && KERNEL_VM
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help
Answer Y to enable LiteOS support liteipc.
config KERNEL_PIPE
bool "Enable pipes"
default y
depends on KERNEL_EXTKERNEL
help
Answer Y to enable LiteOS support pipes.
config BASE_CORE_HILOG
bool "Enable Hilog"
default y
help
If you wish to include hilog.
endmenu