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Observable
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File proxy
Polling file descriptors
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Scheduling
Memory heap
Misc. services
API revisions
◦ Real-time I/O drivers
DMA
SPI
GPIO
Ethernet
◦ Writing drivers
Function index
File description
Core thread
Kernel thread
Wait queue
Kernel mutex
Kernel semaphore
Kernel flag
EVL Spinlock
Clock device
Scheduling
Timer
Cross-buffer access
Managing IRQs
Stage exclusion lock
◦ Networking
◦ Under the hood
ABI revisions
ABI revisions
• Dovetail
◦ Kernel API
Out-of-band stage
Interrupt management
Spinlocks
Remote function calls
Alternate scheduling
File interface
Misc
◦ Networking
Buffer management
Device I/O
IP Routing
Socket interface
◦ Porting Dovetail
Prerequisites
Interrupt flow
Atomic operations
Architecture bits
Tick devices
Clock sources
Syscall path
Serial debugging
Developer Notes
• Ports
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linux-evl (Tip)
v6.15-evl-rebase
v6.15
linux-evl (LTS)
v6.12.y-evl-rebase
v6.12.30-evl1
linux-evl (SLTS)
v6.1.y-cip-evl-rebase
v6.1.137-cip42-evl1
libevl (C interface)
master
r50
revl (Rust interface)
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v0.5.0
