109 lines
3.4 KiB
Markdown
109 lines
3.4 KiB
Markdown
# Releases
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## AcadiaOS 0.1.1 (WIP)
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### Denali
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- AHCI Driver can use more than one command slot.
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- Resets AHCI Controller on start.
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- Uses IDENTIFY DEVICE to get sector size.
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### Glacier
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- Unit Testing setup for Host Machine
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- Unit Tests for: Vector
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- Added Iterators for: Vector, Array, ArrayView
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- HashMap Move Semantics
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### Yunq
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- Moved message parsing/serialization to shared library.
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## AcadiaOS 0.1.0 (2023-12-08)
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This marks the first release of AcadiaOS! There is very little user functionality currently but a
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lot of foundational work has been done.
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### Zion Kernel
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Capability-based microkernel.
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Boot Process:
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- Initializes GDT and IDT.
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- Sets up a separate stack for page faults and general protection faults.
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- Enables SSE.
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- Minimally initializes the APIC in order to use its timer as well as map the PS/2 Keyboard and PCI
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interrupts.
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- Enables Syscalls using the sysenter instruction.
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- Enables the scheduler.
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- Loads the Yellowstone init program and yields to it.
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Features:
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- Physical memory manager can dole out single pages as well as continuous chunks. Freed pages and
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chunks can be reused.
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- Kernel memory allocation done primarily using a slab allocator for sizes up to 128 bytes. (Larger
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allocations are done by simply incrementing a pointer and are never truly freed. However currently
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none occur.).
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- Round robin scheduler with a single priority level.
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Interface:
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- Capability-based interface.
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- Process Management: ProcessInit, ProcessExit.
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- Thread Management: ThreadCreate, ThreadStart, ThreadExit.
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- Memory Management: MemoryObjectCreate, MemoryObjectCreateContiguous, MemoryObjectCreatePhysical,
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MemoryObjectDuplicate, MemoryObjectInspect, AddressSpaceMap, AddressSpaceUnmap.
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- IPC with Channels, Ports, and Endpoints.
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- Channel: ChannelCreate, ChannelSend, ChannelRecv.
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- Ports: PortCreate, PortSend, PortRecv, PortPoll.
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- Endpoints: EndpointCreate, EndpointSend, EndpointRecv, ReplyPortSend, ReplyPortRecv.
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- Capability Management: CapDuplicate, CapRelease.
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- Irq Management: IrqRegister.
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- Synchronization: ProcessWait, ThreadWait, MutexCreate, MutexLock, MutexRelease, SemaphoreCreate,
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SemaphoreWait, SemaphoreSignal.
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- Debug Output: Debug.
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### Yellowstone
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Initialization process that starts up the other necessary boot processes then maintains a registry
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of the available IPC Servers running on the system.
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- Spawns the AHCI Client "Denali".
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- Once it is online, reads the GPT and spawns the VFS service "VictoriaFallS".
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- Once it is online, reads "init.txt" and spawns the processes listed in the file from the /bin dir.
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### Denali
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Barebones AHCI Driver.
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- Reads the SATA PCI region the HBAs associated with it.
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- Starts the Denali service to allow clients to read directly from disk.
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- Currently only one command port is used so reads are done in serial.
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### VictoriaFallS
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Barebones VFS Server. Currently passes all calls to it directly to the ext2 filesystem at the root
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of the VFS.
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- Allows reading of files and directories.
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- Does not cache results or inodes so all calls go directly to the AHCI Server.
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### Teton
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Very basic terminal and shell.
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- Supports ls, pwd, cd, and exec commands.
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- All commands must use absolute paths.
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- Starts a child process when using exec and waits for it to complete.
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### Yunq
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IDL for IPC on AcadiaOS with cpp codegen for messages, clients, and servers.
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- Supports serializing capabilities for IPC.
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- Supports repeated integer fields.
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- Supports string files.
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- Allows namespacing cpp definitions.
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