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7 dayskernel: physmem: Only set bits if memory is foundIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: proc: Make per-process flags volatileIan Moffett
The per process flags field is a frequently modified/read field and MUST NOT give stale data. Be very sure that the compiler does not optimize away accesses. Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: sched: No yield on wait + intoff on yieldIan Moffett
Temporary workaround for issue relating to hangs on process yield with a sleeping parent Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: 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>
7 dayskernel: cons: Invert console cursor colorIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: spawn: Ensure pathbuf is zeroedIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel/amd64: Add `alloc` to pmap_update_tbl()Ian Moffett
Add an `alloc' paramater to pmap_update_tbl() to ensure that functions like pmap_map() and pmap_unmap() have control over, whether or not to allocate new page table entries. This is useful as unmapping memory does not require new page table entries to be allocated and doing so anyways may result in undefined behaviour such as hangs. Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: stat: Fix getattr result pointerIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: spawn: Improve wait sleep handlingIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: sched: Skip sleeping threads and get nextIan Moffett
If a thread is sleeping, skip it and try the next thread. Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: sched: Allow sleeping TDs to be enqueuedIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: physmem: Allocate unfragmented phys memoryIan Moffett
- Ensure a contiguous region of physical memory is allocated in vm_alloc_frame() - Fix issues with physical memory being clobbered with excessive allocations - Clean up frame walk loop Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: physmem: Ensure base is page alignedIan Moffett
- Use ALIGN_UP() on base address in vm_free_frame() Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: exit: Handle stack VA/PA in proc_reap()Ian Moffett
User stacks are identity mapped and kernel stacks are not. Handle this properly or else suffer the consequences. Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: spawn: Return process exit status on failIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel: exit: Wake up parent *only* if asleepIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
7 dayskernel/amd64: proc: Cleanup user stack vm_map()Ian Moffett
- Add prot var to keep track of flags to map with - OR prot flags with PROT_USER if rpl is 3 Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel: phy: Rename rtl8139 driver to rt81xxIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel: rtl8139: Defer RTL8139 initializationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel: nvme: Defer NVMe initializationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel/amd64: isa: Add AT PC MC1468XX driverIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel: Add sys/time.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
9 dayskernel/amd64: Save %RCX before calling handlerIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: xhci: Allocate n bytes for scratchpadIan Moffett
Allocate in bytes rather than pages to keep things simple and fix broken logic. Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel/amd64: isa: Add /dev/beep for pcspkrIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: stub: Always show exceptions in userlandIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: cons: Add initial ANSI escape seq implIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: cons: Handle ASCII_NULIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: cons: Add color attribute helpersIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: vm: Support NULL `addr' for private mmap()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
10 dayskernel: vm: Map at `va + page_off'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
12 dayskernel: xhci: Fix scratchpad page countIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: video: Add /ctl/fb0/attrIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: vm: Allow NULL `addr' for cdev mappingsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: device: Harden cdev mmap() bounds checksIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: syscall: Add SYS_mmap and SYS_munmapIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: vm: Prepare for user mmap() interfaceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: vm: Add initial shared mapping supportIan Moffett
Add initial shared mapping support allowing device files to be mapped out into memory. Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: fbdev: Add /dev/fb0 char deviceIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: vm: Add initial device pager implIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: vfs: Store device major/minor in vnodeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
13 dayskernel: device: Add mmap() hook for cdevswIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/aarch64: pmap: Add dirty bit + cache stubsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: pmap: Add PTE dirty bit handlingIan Moffett
Add support for managing the page table entry dirty bit. This will allow vm(9) to know when to page-out data to backing store, among other things. Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel: xhci: Ensure of PCI bus mastering and MMIOIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: Add support for TLB shootdownsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: Only use HALT_VECTORIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: Reserve IDT vec 0x22 for TLB IPIsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: mp: Add BSP to `ci_list'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2025-06-01kernel/amd64: cdefs: Add __invlpg() asm wrapperIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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