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2025-09-19kern: init: Initialize generic driversIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: Add '.modules' section to kernel binaryIan Moffett
The '.modules' section stores the list of modules to bring up on early boot. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern/amd64: build: Ensure .a libs retain sectionsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: pci: Add module creditIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kernel: pci: Add PCI lookup routineIan Moffett
This commit adds a new 'lookup_type_t' for representing the various kinds of lookups one can perform on the PCI bus. The actual code to drive the lookups is exposed as the pci_bus_lookup() routine. When doing a lookup of a PCI device, you must specify the kind of lookup to perform. If a PCI_LU_CLASSREV is requested, only the PCI class and subclass fields in the PCI lookup are used. If the PCI_LU_VENDEV is requested, only the PCI vendor ID and device ID are used in the lookup. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: pci: Add 'class' and 'subclass' to deviceIan Moffett
This commit adds the PCI class and revion (subclass) IDs to the PCI device descriptor provided by L5. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: vfs: Add namei() prototype functionIan Moffett
Introduce a namei() prototype function to build upon when implementing core namei() logic. The prototype simply implemenets the path parsing and mimicks a UNIX-like (shell) namei output. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: vfs: Add mountpoint lookup helperIan Moffett
Add helper function to lookup mountpoints such as '/' Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kernel: vfs: Add initial mount code + mount initrdIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kernel: mount: Add mountpoint allocationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kernel: vfs: Handle root path in vfs_cmt_cnt()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-19kern: vfs: Add path component counterIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: vfs: Add initial vfsops, and mount codeIan Moffett
This commit introduces the groundwork for mountpoints, filesystems and the VFS as a whole. OMAR is now initialized as its own filesystem by the VFS Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: vfs: Add vnode allocation / release routinesIan Moffett
Introduce routines to allocate (create) and deallocate (destroy) virtual file nodes. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: vfs: Add initial vnode definitionsIan Moffett
A vnode is simply an object used when referencing filesystem objects. This marks the start of development for the L5 Virtual File System Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: pci: Implement device list as TAILQIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: pci: Make max buses to scan configurableIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18build: Allow each subsystem to have their own confIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: pci: Handle logging of device and vendor IDIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: pci: Get device_id with 'vend_dev[31:16]'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: Bump L5 version to v0.0.2Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: pci: Add initial bus enumerationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-18kern: io: Add initial PCI CAM driverIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: syscall: Use current platform latchIan Moffett
Use the current platform latch when selecting a syscall window from the current domain. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: Implement syscall domains and windowsIan Moffett
A syscall domain in the L5 kernel is a fixed list of "syscall windows", each syscall window represents a specific platform and/or syscall model. A platform latch within each domain determines which window / platform should be visible. Since syscall domains are per-process, these changes are local to their respective processes. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: Add syscall entry and SYS_exit syscallIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17sys: proc: Wrap structures in _KERNEL guardIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: init: Add copyrightIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: proc: Add proc_kill() routineIan Moffett
Add a new function to kill processes and clean them up. They will then be marked as EXITING and it is up to the parent to do the rest. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: init: Load /usr/sbin/init after bootIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17build: 'cmd/test' -> 'cmd/init'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: mmu: Add mmu_free_vas() to cleanup VASIan Moffett
Introduce a new resource deallocation function that destroys a specified virtual address space. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17sys: proc: Add docs for extra proc fieldsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17cmd: test: Use and link with libc stubIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17lib: Add initial libc stubIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17build: Add user.mkIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17docs: Add build instructionsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: proc: Add initial context switch logicIan Moffett
This commit introduces new functions that will be useful for having multiple processes run on the system. - Add md_proc_yield() - Add md_proc_kick() - Add md_sched_switch() Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: sched: Write proc result in sched_deq()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17build: Add test program to src/cmd/Ian Moffett
Add a testing program for ELF loading purposes. This is to be removed in later versions of Lunos Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: cpu: Add process load balancingIan Moffett
This commit introduces load balancing of processes between cores by using a scalable "CPU arbiter" which decides how to fetch the next core descriptor. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kernel/amd64: mp: Use NULL instead of wrappingIan Moffett
It is best to return NULL when there is no next CPU instead of wrapping so we have an indicator at where the list ends. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17sys: cpuvar: Mark machine dependent routines as MDIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: init: Add L5 bootup logoIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern: Make memmap dump configurable via kconfIan Moffett
Use the OSMORA kernel configuration framework to add options for L5Lunos to parse during early startup. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: mp: Add cpu_get() routineIan Moffett
This commit introduces a new cpu_get() function to acquire a specific CPU by using a logical ID as an index. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17build: Create sysroot on bootstrapIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-17kern/amd64: mp: Use zero-based index in corelistIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-16kern/amd64: mdcpu: Document GDT fields in mdcoreIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-09-16kern/amd64: cpu: Make GDT per-cpu to match TSSIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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