# Subsystem specifications

```{toctree}
:maxdepth: 1

AMENDMENTS-M1
SPEC-001-api-conventions
SPEC-002-interrupts-and-critical-sections
SPEC-003-time-timeouts-and-timers
SPEC-004-wait-and-wake-protocol
SPEC-005-synchronization
SPEC-006-notifications-and-work-queues
SPEC-007-inter-thread-communication
SPEC-008-thread-lifecycle
SPEC-009-objects-capabilities-and-storage
SPEC-010-partitions-and-syscall-boundary
SPEC-011-architecture-port-contract
SPEC-012-atmega328p-port
SPEC-013-native-port
SPEC-014-hardware-description-schema
SPEC-015-observability-formats
```