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25 hourskern: Add kernel realloc() functionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
26 hourskern: fs: Add initial tmpfs implementationIan Moffett
Supported VOPs as of now: - lookup() - create() - reclaim() Signed-off-by: Ian Moffett <ian@osmora.org>
27 hourskern: devfs: Fix typo in VFS ops structureIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
27 hourskern: filedesc: Add O_CREAT flag for fd_open()Ian Moffett
Add an O_CREAT flag to the ABI headers so that files can be created in the VFS. Signed-off-by: Ian Moffett <ian@osmora.org>
27 hourskern: vfs: Return vnode upon path parsing endIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
28 hourskern: vfs: Implement non image-fs namei lookupsIan Moffett
This commit adds supports for full lookups and path traversal when FS_ATTR_IMAGE is unset. We've also added a NAMEI_CREATE flag to create as it traverses. Signed-off-by: Ian Moffett <ian@osmora.org>
29 hourskern: vfs: Add 'create' virtual file operationIan Moffett
The create VOP allows the caller to create a node within the parent directory of a filesystem represented by a vnode. Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayscmd: Add mex portIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayscmd: build: Drop libwidget from buildsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayscmd: Add 'cat' commandIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayscmd: Add new 'echo' commandIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayslibc: string: Add strtok() functionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayscmd: hush: Add argument parsingIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: trap: Copy trapframe on syscall entryIan Moffett
Ensure that the trapframe in the PCB is the latest, upon kernel entry we copy it so it isn't stale. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: proc: Fix commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayscmd: init: Bring up login program on startupIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: mp: Add idle threads per coreIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: i8042: Add option to poll keyboardIan Moffett
Some hardware may not work too well with the i8042 and interrupts, as a mitigation, we've added an option to poll instead of using interrupts Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: proc: Don't dequeue procs in idle loopIan Moffett
There is no need to dequeue any processes in the idle loop as this happens once per timer interrupt Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: init: Initialize scheduler before modulesIan Moffett
Some modules may rely on kernel threads, therefore we'll need the scheduler up before we start them Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: proc: md_proc_yield -> md_proc_idleIan Moffett
Improve naming to be less confusing Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: Introduce kernel threadsIan Moffett
Introduces kernel threads. by using the proc_ktd() function, one can spawn a CPL 0 running thread to the desired code. Signed-off-by: Ian Moffett <ian@osmora.org>
3 daysbuild: Move 'login' to system binariesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayscmd: Add initial 'login' programIan Moffett
This commit introduces the initial login program to require a user to enter their credentials before they can use the system Signed-off-by: Ian Moffett <ian@osmora.org>
3 daysdata: Add initial user credsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayslibc: stdio: Add puts() functionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayslibc: string: Add memcmp() functionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayslibc: unistd: Add close system call interfaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: filedesc: Add close() system callIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vfs: Add reclaim callback to vnodeIan Moffett
The reclaim callback simply reclaims any filesystem specific resources used with vnodes back to the operating system. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: omar: Make OMAR reads offset awareIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vfs: Make vnode r/w operations offset awareIan Moffett
Adds offset handling to the vnode read and write callbacks. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayslibc: unistd: Add read system call interfaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: Add SYS_read system call for file I/OIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: omar: Implement VFS read vopIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: namei: Return vnode before exiting functionIan Moffett
If there is a file that is found, we want to return the result before we return from the function, fixes issue with uninitialized vnodes on lookups Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: namei: Return -NOENT at function endIan Moffett
If we go through the entire function without getting a vnode, then there is no file to be found Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vfs: Add vnode operation for readsIan Moffett
Introduces a read callback wrapper implementation for vnodes to simplify file reading Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: omar: Set vnode ops per looked up nodeIan Moffett
Everytime a look up is performed, we should set the vnode operations on the resulting vnode Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: filedesc: Don't stop searching without fdIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: filedesc: Remove outdated commentIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vfs: Add NULL check for write vopIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayscmd: Add 'lsdisk' utilityIan Moffett
The 'lsdisk' utility is a simple too to list the disks present on the machine. Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: dms: Add DMS QUERY opcode for devinfoIan Moffett
Add a new QUERY operation code that is used to fetch information about a specific disk. Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayslibc: Add DMS I/O syscall interfaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: dms: Add initial DMS engine sourcesIan Moffett
The DMS engine handles performing I/O based on specific opcodes given to it and drives the callback wrappers. Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: ahci: Implement DMS read interfaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: dms: Make DMS block size awareIan Moffett
In order to safely copy between disk and host memory through a programming interface, DMS must be aware of the hardware disk block size Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: ahci: Don't hardcode block sizesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
4 dayskern: ahci: Register SATA drives to DMSIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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