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- Renamed I/O port functions for clarity: `write_port_byte` to `out_byte`, `read_port_byte` to `in_byte`, `write_port_word` to `out_word`, `read_port_word` to `in_word`, `write_port_long` to `out_long`, and `read_port_long` to `in_long`.
- Updated import paths for serial, ahci, ata, gpt, keyboard, terminal, and other drivers to reflect new directory structure.
- Replaced instances of `read_file_by_path` with `view_unit_at` in various files for consistency.
- Added new utility functions for AHCI FIS setup and defined types for AHCI and PCI.
- Introduced string copy utilities for handling strings from Kata pointers.
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- Implemented `viewstack` invocation to list contents of a stack.
- Created `attach` invocation for opening attachments with device and unit handling.
- Added `getkeychar` invocation to read a single character from the keyboard.
- Developed `mark` invocation to write to attachments with color support.
- Introduced `seal` invocation to close attachments.
- Implemented `view` invocation to read from attachments.
- Added `wipe` invocation to clear the terminal screen.
- Created `exit` invocation to dissolve a Kata and seal attachments.
- Implemented `postman` invocation for letter passing between parent and child Katas.
- Added `spawn` invocation to create new Katas from executables.
- Implemented `wait` invocation to wait for child Katas to dissolve.
- Added `yield` invocation to voluntarily give up CPU time to Sensei.
- Introduced utility functions for location resolution and path handling.
- Added memory copy and slice utilities for efficient data manipulation.
- Implemented random number generation utilities.
- Added string comparison utilities for easier string handling.
- Introduced integer and pointer conversion utilities for type safety.
- Implemented result handling utilities for invocation results.
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- Updated `mi.zig` to default target path to an empty string.
- Improved context switching in `context.zig` by restoring registers from the context struct.
- Enhanced `loader.zig` to inherit current location from the parent Kata.
- Simplified `getkeychar.zig` by removing unnecessary serial import and error handling.
- Added new invocations: `getlocation.zig` for retrieving current stack location and `postman.zig` for letter passing between Katas.
- Introduced `setlocation.zig` to change current stack location with path resolution.
- Created `nav.zig` for navigating the filesystem with commands to print current location or change it.
- Added `nav.zon` for binary metadata.
- Updated `limits.zig` to define maximum letter length.
- Enhanced `ash.zig` to process navigation letters and improved command execution flow.
- Updated syscall interface in `sys.zig` to handle variable arguments for invocations.
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improved readability
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- Added framebuffer initialization and retrieval functions in multiboot2.zig.
- Integrated framebuffer support into the boot sequence.
- Refactored keyboard driver to use a circular buffer for input and added blocking behavior for kata waiting on keyboard input.
- Enhanced kata management to support blocking and waking katas based on keyboard input.
- Introduced a new invocation for reading a character from the keyboard (getkeychar).
- Implemented a simple shell (ash) that reads user input and echoes it back.
- Updated syscall handling to include the new getkeychar invocation.
- Improved memory management for loading programs and handling user/kernel stacks.
- Added functionality to wake katas waiting for specific events, such as the dissolution of other katas.
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for spawn, wait for kata handling; added required fields in kata
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