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2024-05-23kernel: syslog: Add kernel message bufferIan Moffett
This commit introduces the kernel message buffer and makes system messages no longer be written to the TTY after kernel init. The kernel message buffer can be read from /proc/kmsg Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-23kernel: intr: Fix garbage outputIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-23kernel: intr: Remove useless includeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-23kernel: procfs: Add support for /proc/interruptsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-23kernel: fs: Add procfs supportIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-21kernel: filedesc: Fix fd_from_fdnum()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-21kernel: vfs: Add support for close VOPIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-21kernel: sched: Fix commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-21kernel: Initial sched rewriteIan Moffett
- Introduce dynamic scheduling policy - Introduce MLFQ scheduling - Clean up a lot of code Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-20kernel: tty: Remove useless commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-20kernel: tty: Improve hook naming consistencyIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: tty: Improve comment in tty_dev_read()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: tty: Define TTY open hookIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: vfs: Add support for open hookIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: Add reboot() and reboot syscallIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: tty: Implement tty_ioctl()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-19kernel: sched: Align 'tdq_lock' on cache line sizeIan Moffett
The lock should be aligned on a cache line boundary so it isn't in a cache line with other data. This is important for 'tdq_lock' as it is used by every processor which constantly acquires and releases it. This alignment can reduce how violently cache lines bounce between processor local caches. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-18kernel: tty: Handle input processing betterIan Moffett
- Fix copying logic in tty_read() - Handle ICANON correctly - Add ECHO c_lflag bit - Add TTY_SOURCE_DEV and TTY_SOURCE_RAW defines Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-18kernel: tty: Add tty_putstr()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-18kernel: tty: Handle ICANONIan Moffett
Add basic handling for canonical mode Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-18kernel: syslog: Remove useless variableIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-17kernel: tty: Append to ring before length checkIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-16kernel: panic: Call intr_mask() firstIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-16kernel: sched: Move loader code away from schedIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-14kernel: init: Cleanup whitespaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-14kernel: machdep: Add machine_panic() + panic beepIan Moffett
machine_panic() handles things like backtracing, beeping the speaker and halting the processor. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-14kernel: tty: Add tty_attach()Ian Moffett
This commit adds a new routine called tty_attach(). This routine allows a TTY to be registered with the system and have a device file associated with it. Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-12kernel: tty: Add initial TTY codeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-05-12kernel: vcons: Don't touch termiosIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-30kernel: panic: Try to stop other processorsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-28kernel: vfs: Pass source vnode to vfsops.init()Kaimakan71
Signed-off-by: Kaimakan71 <undefined.foss@gmail.com> Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-27kernel: vfs: Implement sys_mount()Kaimakan71
Signed-off-by: Kaimakan71 <undefined.foss@gmail.com> Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-27kernel: kern_exec: Fix argp resize logicIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-27kernel: kern_exec: Fixup cleanup in execv()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: kern_exec: Close file descriptorIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: Add support for execv()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: sched: Expose sched_init_stack()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: sched: Move sched stack macros to sched.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: filedesc: Implement SEEK_ENDIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: sched: Move sys_exit() from kern_syscall.cIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: Implement basic loader_unload()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: filedesc: Acquire mutex in read()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: filedesc: Acquire mutex in write()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: Add support for mutex locksIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: sched: Add support for early preemptionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-26kernel: filedesc: Ensure write() fd is correctIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-25kernel: sched: Use exec_args for argp, envp, etcIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-24kernel: Add ioctl supportIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-22kernel: auxv: Add AT_PAGESIZEIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2024-04-21kernel: sched: Ensure td is removed from queueIan Moffett
Upon sched_exit(), the thread should not be in the queue Signed-off-by: Ian Moffett <ian@osmora.org>
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