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29 hourskernel: Ensure mutually exclusive console accessIan Moffett
If multiple processes try to write to the console, a race condition of sorts may occur. Similarly, if multiple processes try to read from the console and contend with the console input buffer. One process may steal keys from the other. Prevent this by implementing a mutex within the console descriptor. Each time a process reads or writes the console, it attaches itself. Any other processes attempting to read or write the console while another is attached will be yielded to the scheduler until the resource is free. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskernel: console: Introduce cons_screen featuresIan Moffett
Introduce a 'feat' field in the cons_screen structure to allow certain console features to be turned on or off. Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: Add SMBIOS/DMI supportIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: e1000: Read MAC address into `netif'Ian Moffett
This commit implements EEPROM reading logic as well as some code to read the ethernet address into a `netif' structure. Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: e1000: Use raw register VAP offsetsIan Moffett
The E1000 may add padding in-between registers and for the sake of simplicity, we will deal with raw offsets instead of a silly structure. Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: phy: Add initial E1000 sourcesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-15kernel: rtl: Implement packet TXIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-13kernel: cons: Clear entire screen on demandIan Moffett
- Flush the entire output buffer - Wipe the whole screen with "bg" - The entire console will now be cleared when a "\033[H" sequence is encountered Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-12kernel: pci: Add support for PCI ExpressIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-10kernel: ahci: Fix issue of undetectable devicesIan Moffett
- Only check PxSCTL.SET within the port reset logic - Do not create device file for ATAPI devices (yet) Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-10kernel: ahci: Improve port reset logicIan Moffett
- Set PxCMD.SUD if the HBA supports staggered spin-up to ensure the device will be detectable. - Wait for the device link to be established - Detect and log SATA link speed Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-10kernel: cons: Make ANSI_BLUE a darker shadeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-09kernel: cons: Add ANSI cursor pos reset sequenceIan Moffett
- Add support for the "\033[H" ANSI escape sequence to reset the cursor to the 'home' position Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-07kernel: phy: Rename rtl8139 driver to rt81xxIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-05kernel: cons: Add initial ANSI escape seq implIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-05kernel: cons: Add color attribute helpersIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-02kernel: fbdev: Add /dev/fb0 char deviceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-29kernel/amd64: hpet: Add hpet_time_nsec()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-26kernel: ahci: Detect max SATA sector countIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-22kernel: Optimize console & loggingQuinn Stephens
* Modified draw loops to use `fbdev_get_index()` less often. * Created `cons_fast_putch()`, then used it to implement `cons_putch()` and `cons_putstr()`. This way, when printing an entire string, the lock acquire/release and cursor hide/show will only happen once, instead of once per character. * Modified `syslog_write()` to use `cons_putstr()`. Signed-off-by: Quinn Stephens <quinn@osmora.org> Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-22kernel: ahci: Create a DCDR per HBA deviceIan Moffett
Optimize reading of logical blocks within SATA drives by giving each device descriptor a drive cache descriptor ring. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-21kernel: xhci: Add runtime register offset definesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-19kernel/amd64: Deprecate intr_alloc_vector()Ian Moffett
Replace intr_alloc_vector() with a cleaner and more machine independent intr_register() Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-19kernel: acpi: Add acpi_sleep()Ian Moffett
Introduce function for calling ACPI \\_S<n> objects via uACPI Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-17kernel: acpi: Add uACPI portIan Moffett
See https://github.com/uACPI/uACPI/ Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-17kernel: pci: Add pci_add_device()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-17kernel: pci: Add segment fieldIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-17kernel: acpi: Add acpi_rsdp()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-16kernel: cons: Add lock to console bufferIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-14kernel: ahci: Add /ctl/sdx/bsize control fileIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-14kernel: ahci: Include sys/device.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-10kernel: ahci: Store major in HBA descriptorIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-10kernel: ahci: Handle AHCI interface/HBA errorsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-09kernel: ahci: Define ATA identity structureIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-09kernel: ahci: Detect staggered spin upIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-09kernel: ahci: Add command table + PRD definitionIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-08kernel: ahci: Initialize each HBA portIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-08kernel: ahci: Split CLB/FB into lower/upper bitsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-08kernel: ahci: Add basic AHCI constantsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-08kernel: achi: Define command header and H2D FISIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-07kernel: ahci: Implement initial HBA port logicIan Moffett
- Implement logic to scan the HBA for ports - Implement logic to stop HBA ports - Add ahci_init_port() stub Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-05kernel: rt8139: Autoload 93C46 + read MAC addressIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-05-05kernel: xhci: Workaround Dell USBLEGSUP quirkIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-04-18kernel: cons: Add console buffer frameworkIan Moffett
Major console improvements - Add console buffer framework for managing console input/output in a more smooth and elegant manner - Fix cursor bugs Signed-off-by: Ian Moffett <ian@osmora.org>
2025-04-18kernel: video: Add bpp field to fbdevIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-04-17kernel: acpi: Add acpi_oemid()Ian Moffett
acpi_oemid() can be useful for knowing the vendor of the current machine. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-04-12kernel: rt8139: Add initial implIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-02-22kernel: cons: Add lock around root consoleIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-02-22kernel: dev: Add /dev/consoleIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-02-20kernel: ahci: Add AHCI spinwait timeoutIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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