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Hardware Abstraction Layer (HAL)
NullException edited this page Aug 5, 2020
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This page covers the HAL and its API. The HAL is currently a part of the kernel executable, however it will have its own module once I finish the PE loader.
The HAL is responsible for abstracting x86 features, like the GDT/IDT or keyboard controler. It also abstracts a lot of Assembly instructions that are not avalible in C, such as PMIO or modifying control registers.
- HalInit
- [HalGenerateGDTDesc]
- [HalGenerateIDTDesc]
- [HalAddGDTDesc]
- [HalAddIDTDesc]
- [HalInstallInterruptHandler]
- [HalSetPitMask]
Roadmap:
- Stage 1 FAT12 bootloader
- Stage 2 bootloader (SOARELDR)
- Hardware Abstraction Layer
- GDT and IDT abstraction
- Memory manager
- Disk IO
- PE Loader
- Convert HAL to be a module
- Keyboard IO