- Replace syscall-based time functions with CLOCK_MONOTONIC using clock_gettime
- Add 100 Hz PIT timer and COM1 serial input interrupt handling via 8259 PIC
- Implement nanosleep syscall with proper duration calculation and interruptible sleep
- Add blocking console reads that wait for IRQ4 input instead of busy polling
- Update clock resolution to 10 ms (100 Hz) for monotonic clock
- Add proper timer tick tracking and interrupt dispatch mechanism
- Enable hardware interrupts in user mode while maintaining syscall protection
- Add sleep function wrapper around nanosleep in
- Add typephp_os_disk_cache_bytes function to return ATA cache size
- Implement C++ terminate function with typephp_os_panic call
- Create new free.cc with php_os_memory_value native function
- Add free.php memory reporting command with pool accounting
- Define free.yml build configuration for the new command
- Update hello.yml with additional compiler flags
- Add syscall declaration to ioctl.c
- Introduce arena_begin variable and typephp_os_memory_total function
- Implement vfprintf function using vprintf
- Add typephp_os_longjmp implementation with proper asm annotation
- Update fprintf to use v
- Increased ATA cache capacity from 16384 to 65536 sectors for 32 MiB direct-mapped cache
- Expanded bootstrap stack from 16 KiB to 256 KiB with proper headroom for identity-map tables
- Updated userspace syscall interface from int 0x80 to native x86-64 SYSCALL instruction
- Raised QEMU memory allocation from 160M to 512M for improved runtime performance
- Increased kernel reserved memory from 40 MiB to 64 MiB with updated linker script assertion
- Added fixed-console ioctl(TIOCGWINSZ) support for VGA dimension reporting
- Enhanced ATA
- Replace int 0x80 with native x86-64 SYSCALL instruction for faster system calls
- Add syscall number 16 for ioctl support with Linux-compatible ABI
- Implement TIOCGWINSZ and TIOCNOTTY terminal ioctls for console size detection
- Add ENOTTY error code definition for inappropriate ioctl operations
- Increase ATA cache capacity from 128 to 16384 entries for better performance
- Change ATA cache from LRU eviction to direct mapping using bitwise AND
- Remove least recently used tracking from ATA cache entries
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- Replace global errno variable with __errno_location function
- Add complete strerror implementation for standard error codes
- Implement perror function for error message output
- Move strlen implementation to separate string.c file
- Update getcwd to use new errno macro instead of direct variable
- Mark getcwd as weak symbol to allow overriding
- Remove unimplemented strerror stub from assembly file
- Add 128-bit integer helpers from compiler-rt builtins
- Update third-party dependencies with detailed documentation
- Improve curl download scripts with silent
- Implemented opendir, readdir, closedir, and related directory functions
- Added fcntl system call support with proper flag handling
- Integrated compiler-rt builtins for 128-bit integer operations
- Updated build system to fetch and compile compiler-rt dependencies
- Refactored ls command to use standard POSIX directory APIs
- Added directory file descriptor management in kernel
- Implemented getdents64
- Added Linux-compatible file metadata syscalls (stat, lstat, fstat, newfstatat)
- Implemented access control checks with faccessat and related flag definitions
- Added file persistence operations (fsync, fdatasync, truncate, ftruncate)
- Integrated clock syscalls (gettimeofday, clock_gettime, clock_getres)
- Added process identity queries (getpid, getppid, gettid, getuid, getgid)
- Changed exit mechanism from exit(60) to exit_group(231) for consistency
- Updated crt0.S with Linux x86-64 exit_group ABI compatibility
- Extended fcntl.h with AT_SYMLINK_NOFOLLOW and AT_EACCESS constants
- Added complete syscalls implementation in user/libc.c and runtime/posix.c
- Implemented kernel-side syscall handlers in process.c with proper validation
- Added systest utility to verify file metadata, persistence and identity calls
- Updated Makefile dependencies to track user header changes
- Enhanced README documentation for new
- Configure kernel-only paging with separate user virtual regions
- Add PHP Nano project compilation with link library support
- Implement aligned memory block management for Zend allocator
- Create reusable libtypephp-os.a platform archive for TypePHP userspace
- Add uname system call support and update user-space syscalls
- Increase QEMU memory allocation from 128M to 160M
- Add TNHELLO.ELF as full TypePHP + PHPX
- Add ATA disk cache with LRU eviction strategy and hit/miss statistics
- Introduce disk cache metrics accessible through kernel API
- Update boot sequence to enable long mode and execute-disable page permissions
- Replace custom syscalls with standard POSIX equivalents in user programs
- Add new user utilities including cat, echo and fault testing command
- Enhance FAT16 volume implementation with full path traversal and file operations
- Implement comprehensive filesystem layer supporting nested directories
- Add file operations for reading, writing, creating and deleting files/directories
- Include directory listing and
- Add date command implementation that displays current time in UTC format
- Add pwd command to print current working directory
- Update Makefile to build date and pwd as user programs with shared ELF loading
- Refactor syscall handling to use shared header definitions
- Remove KernelGreeting class from kernel startup sequence
- Update README and ROADMAP documentation for new user commands
- Add test assertions for date and pwd command output in test suite
- Introduce reusable command address space management in process.c
- Add user-accessible page mapping (32-36 MiB) in boot.S with proper permission bits
- Implement ELF64 loader and process management in new process.c module
- Add syscall infrastructure including int 0x80 handler in process-entry.S
- Create userspace programs (sh, ls, cd) with dedicated linker script
- Integrate filesystem path type checking and directory listing functions
- Reserve memory regions for user processes and update kernel memory layout
- Add console input/output support for userspace applications
- Update kernel main loop to start user process after initialization
- Modify Makefile to build and embed userspace ELF images as kernel objects
- Document new userspace capabilities and limitations in README.md
- Implemented low-level ATA PIO driver with read/write/flush operations
- Added FAT16 filesystem layer with directory and file management
- Created bridge between C disk operations and PHP filesystem API
- Integrated disk availability detection and LBA sector access
- Implemented file operations including open, read, write, and close
- Added support for directory creation, file listing and renaming
- Included proper error handling and disk initialization logic
- Add objects section to project.yml for linking precompiled .o/.obj files
- Implement getProjectObjectFiles method to retrieve precompiled objects
- Add c-flags and asm-flags support in CompilerBase
- Extend GCC backend to handle cflags and nativeflags configuration
- Update compiler to include project object files in linking process
- Add freestanding C++ allocation ABI implementation using Zend MM
- Include example TypePHP OS with kernel entry point and hardware stubs
- Add assembly files for boot sequence and kernel entry point
- Implement basic libc compatibility layer for Zend bootstrap
- Add try/catch macro replacement in generated code indentation
- Create bridge between C++ kernel and PHP code
- Add linker script for 64-bit kernel binary generation
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