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2024-03-16kernel: syscall: Remove syscall_args.retIan Moffett
It is better to just return a value within the syscall handler and have that passed down to __syscall() like that Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-16kernel: sched: Cleanup context switch commentsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: Add basic file descriptor supportIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: sched: Use this_td() to get threadIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: sched: Add routine to get current threadIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: vfs: Implement vfs_path_to_node()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: vfs: Allow optional fs store within vnodeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-15kernel: vfs: Fix typo in commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-14kernel: sched: Remove useless declarationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-14kernel: sched: Rework sched_init()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-14kernel: Add support for syscallsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-14kernel: sched: Add exit routineIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-14kernel: sched: Keep track of stack and privilegeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-13kernel/amd64: machdep: Add context switch helperIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-13kernel/amd64: machdep: Add pcb init codeIan Moffett
This commit adds a processor specific routine which sets up the Process Control Block for a thread Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-13kernel: sched: Improve stack init codeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-10kernel: loader: CleanupIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-07kernel: sched: Add support for user threadsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-07kern: sched: Refactor queue and ctx switch codeQuinn Stephens
Signed-off-by: Quinn Stephens <quinn@osmora.org> Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-07kernel: loader: Only load user programsIan Moffett
This commit ensures user programs are loaded only. This can be changed in the future if support for ELFs that will run in kernel space is added. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-07kernel: Require VAS arg in vm + loader refactorIan Moffett
This commit adds vas argument to VM mapping functions as well as changing how mapping is done in the loader. This commit also fixes weird error handling and parses needed PHDRs within the loader Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs: Add wrappers over VFS operationsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs_init: Add root vnodeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs_mount: Allocate vnode per mountpointIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel/amd64: vfs_subr: Add path parsing helperIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs_subr: Add '.' to valid path charsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs: Return -1 on vfs_hash_path() failureIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs_init: Make "filesystems" staticIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs: Simplify mounting logicIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-03-01kernel: vfs: Fix logic bug in vfs_hash_path()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-29kernel: vfs_subr: Update commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-28kernel: vfs_cache: Fix type bugIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-28kernel: vfs: Move mountlist_entry to vfs_cache.cIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-28kernel: vfs: Do not leak memoryIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-28kernel: vfs: Add more documentationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-28kernel: Add initial VFS implementationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: Add initial ELF loader implementationIan Moffett
This is the initial ELF loader implementation, this will obviously need some fixups and refactoring in the future but it works as of now. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: sched: Fix mistake in context switch codeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: Remove tty_init() callsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: sched: Fix broken preemptionsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: sched: Fix PID allocation logicIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-26kernel: sched: Create schedvar.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-25kernel: Move video console codeIan Moffett
This commit introduces a video console driver to Hyra and replaces that weird tty.c file used only for video console logic Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-23kernel: Add initial scheduler implementationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-17kernel: syslog: Add '%p'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-17kernel: syslog: Add TODOIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-14kernel: cpu: Add hint_spinwait()Ian Moffett
This commit introduces a macro that must exist per architecture (even if it does nothing) to ensure it is machine independent. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-14kernel: Add __TRY_CALL() macroIan Moffett
This commit adds a macro to make testing if weak functions are implemented, then running them, less messy. This allows you to do so in one line. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-14kernel/amd64: hpet: HPET is architecture specificIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-02-11kernel: sched: Add initial sched related codeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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