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2024-02-16arch: i386: put framebuffer ops in own fileDanny Holman
Move all operations related to the x86 framebuffer into its own set of files. This makes the TTY layer more architecture agnostic. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: paging: add a proper paging APIDanny Holman
Add a proper page control API. These functions allow the kernel to directly map and unmap pages in the logical address space. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: alloc: add a physical memory managerDanny Holman
Add a simple, bitmap-based physical memory management system. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: add multiboot supportDanny Holman
Add support for the multiboot specification. These files will allow the kernel to read the multiboot header information as well as the provided memory map. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: syscall.h: define some example system callsDanny Holman
Define a few standard Unix system calls. These may change based on future needs. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: pic.h: make register_irq_handler accessibleDanny Holman
Make the register_irq_function accessible from files including pic.h. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: pic.h: change all chars into uint8_tDanny Holman
Make all variables with char or char* type into uint8_t. This makes the system more consistent and issues fewer compiler warnings. Signed-off-by: Danny Holman <dholman@gymli.org>
2023-11-26arch: i386: idt.h: remove extern functionsDanny Holman
Remove references to extern functions. All the necessary functionality for this file is already contained. Signed-off-by: Danny Holman <dholman@gymli.org>
2022-03-22arch: i386: refactor the system call APIDanny Holman
The x86 system call/interrupt handlers should be refactored to be more readable. Signed-off-by: Danny Holman <dholman@gymli.org>
2022-01-21arch: i386: move non-critial files out of bootDanny Holman
Move all files not needed for the bootstrap process out of boot and into the main x86 source directory. Signed-off-by: Danny Holman <dholman@gymli.org>
2022-01-15arch: i386: fix coding style issueDanny Holman
Make the inline assembly calls consistent across different i386 files. Signed-off-by: Danny Holman <dholman@gymli.org>
2022-01-15arch: i386: add support for IRQs and system callsDanny Holman
Add support for rudementary system calls and IRQ interrupts. Signed-off-by: Danny Holman <dholman@gymli.org>
2022-01-15arch: i386: simplify IDT setupDanny Holman
Simplify the interrupt descriptor table setup and frame assembly. Signed-off-by: Danny Holman <dholman@gymli.org>
2021-10-09arch: i386: include more information in IDTDanny Holman
Include information about the current stack frame in the IDT handler(s). Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-09-28arch: i386: add PIC register supportDanny Holman
Add functions that let the OS read the internal state registers of the 8259 PIC. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-09-28arch: i386: fix IDT exception handlerDanny Holman
Fix the i386's general exception handler to actually work. Fix provided by Jon Sanderson (jjs295356@gmail.com). Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-09-28arch: i386: add support for 8259 PICDanny Holman
Add support for the 8259 programmable interrupt controller. Signed-off-by: Danny Holman <dholman@gymli.xyz>