Userspace work#27
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…nctions to copy to and from user memory. NOTE: All these are untested. Implement weak variants of mem* and str* functions for architectures that don't provide an accelerated version. Mm: Add a pointer to the physical page for MmS_QueryPageInfo. Remove OBOSS_GetPagePhysicalAddress and replace it with MmS_QueryPageInfo.
…ore proper OOM handling. Misc: Fix typos
Misc: Bug fixes m68k: Update functions. x86_64: Update functions.
Core: Implement pushlocks. ASAN: Add an allocator mismatch violation for when an object is freed with a different allocator than the one it was allocated with. x86_64: Fix scheduler timing issues. x86_64: Remove framebuffer and backbuffer from committed memory count. Mm: Fix bug with paging statistics. Mm: Add physical memory stats. Misc: Fix mismatched allocators Drv: Add a driver trampoline + a driver exit function to handle driver exits better.
Misc: Make logs colourful FAT: Use pagecache in most areas instead of allocating a buffer + Vfs_FdRead Mm: Fix a bug in Mm_VirtualMemoryAlloc where an already-committed page in a page range that is reserved is re-committed. Mm: Fix a bug in Mm_UnrefPage where an invalid nPages count is passed. x86_64: Free pages properly while setting framebuffer to WC caching.
Vfs: Implement pipes (FIFOs). Vfs: Fix bugs in pagecache. Vfs: Fix bugs when reads/page cache accesses are done over file boundaries. AHCI: Fix bugs when IO is done over disk boundaries. Misc: When probing for partitions, ignore partitions that go over a disk's boundaries. Core: Fix bugs in pushlocks.
Mm: Add a method to create a new context from scratch. x86_64: Fix bugs related to switching to usermode. Misc: Add signal default actions Misc: Add a temporary way to start a new process to the kernel entry.
Misc: Add a syscall interface x86_64: Implement arch-specific part of interface Misc: Fix bugs with user memcpy variants.
Misc: Move syscall tables to syscall.c x86_64: Clean up MmS_AllocatePageTable x86_64: Synchronize pending signals on return to user mode in an IRQ. x86_64: Switch the current context to Mm_KernelContext on IRQ from kmode. AHCI: Fix a possible bug while populating physical regions.
Misc: Fix bugs where SIGCONT and SIGSTOP would not do their respective actions properly x86_64: Fix small bug with parsing the RSDT Mm: Fix a bug where the page fault handler would do a page in where one would crash.
Mm: Fix bug in CoW.
Misc: Add Sys_Reboot and Sys_Shutdown syscalls x86_64: Fix a bug where the yield syscall would corrupt the stack.
Misc: Add handles. Core: Add a handle table to the process structure. Mm: Fix a bug with file mapping.
Misc: Implement handle closing. Misc: Implement handle cloning. Needs a per-handle type callback. Misc: Add MIN() and MAX() macros
Sys: Add new syscalls for threads (see scheduler/sched_sys.h) x86_64: Change syscall ABI (See syscall.asm:57) Misc: Give each user thread its own kernel stack. Core: Make Core_WaitOnObjects take in an array of waitable_header*
Misc: Add (re)set_color callbacks for OBOS_ConsoleOutputCallback
Misc: Fix a handle bug where the kernel might use-after-free if something expands the symbol table in between the lookup and use of the handle_desc. Sanitizers: Fix bug with ASAN where the uninitialized poison was not recognized properly
Vfs: Use RB Trees for pagecache dirty regions instead of linked lists.
Mm: Implement syscalls Mm: Implement Mm_ForkContext Misc: Implement handle clone/close callbacks for handle types which have not implemented one yet. x86_64: Fix a bug with the LAPIC code
Drv: Drivers can now request a uacpi init level that they must be loaded at. Drv: Drivers can now request to be ignored during PnP Drv: Add an optional version field to the driver header, and a reserved area. Core: Remove Core_SpinlockForcedRelease Misc: Make syscalls fallback to a default handler when there is no handler. Misc: Add OBOS_STATUS_NO_SYSCALL x86_64: Enable SMAP/SMEP, as well as fsgsbase instructions.
ACPI: Implement suspend. ACPI: Implement device D states ACPI: Register wake GPEs before finalization ACPI: Make a function initializing uACPI (instead of depending on the arch) Core: Make the scheduler able to be "suspended" (hangs on the next yield) Misc: Move shutdown and reboot into their own functions, instead of just having syscalls for them. x86_64: Fix a bug in IOAPIC code causing infinite GPEs. Misc: Add status OBOS_STATUS_WAKE_INCAPABLE. x86_64: Relocate SMP trampoline to 0x1000.
x86_64: Save MTTRs and restore them in appropriate places.
Elf: Add an ELF loader. Core: Add void* CoreS_ThreadAlloca(thread_ctx*, size_t, obos_status*); Mm: Add a stub for Mm_MapViewOfUserMemory.
Core: Add CoreH_AbortWaitingThreads.
Mm: Implement Mm_MapViewOfUserMemory Mm: Fix bugs related to paged out shared memory.
Sys: Finish the remainder of VFS syscalls. Mm: Add parameter respectUserProtection to Mm_MapViewOfUserMemory. Sys: Remove redundant syscall Sys_FdClose (implemented through handle close)
Misc: Bump uACPI commit. Sys: Add syscalls for the functions in signal.h
Misc: Implement execve x86_64: Add execve support function. Core: Fix bugs with futexes. Misc: Change behaviour of OBOS_LoadELF, and add new parameters to it
Mm: Fix bugs with Mm_MapViewOfUserMemory Elf: Fix bugs with elf loader. x86_64: Fix bugs with user handover Misc: Add OBOS_LoadInit Misc: Add --init-path command line option
Core: Optimize spinlocks. Core: Make Core_GetCurrentThread weak in case an architecture has a faster implementation. x86_64: Optimize CoreS_GetCPULocalPtr, Core_GetCurrentThread.
Misc: Fix a bug with reading strings from userspace. x86_64: Add SSE support. x86_64: Add Sys_SetFSBase (syscall 0x80000000) x86_64: Fix a bug with AUX values in OBOSS_HandControlTo. Misc: Other bug fixes.
oberrow
marked this pull request as ready for review
December 31, 2024 21:03
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Countless changes to the kernel, adding userspace, rewriting the VMM, PCI interface, power management stuff, and many other miscellaneous changes.