https://github.com/chivay/vmt

Toy OS written in Zig
https://github.com/chivay/vmt

kernel osdev zig

Last synced: about 1 month ago
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Toy OS written in Zig

• Host: GitHub
• URL: https://github.com/chivay/vmt
• Owner: chivay
• License: mit
• Created: 2020-07-26T19:23:28.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-06-18T23:25:48.000Z (6 months ago)
• Last Synced: 2024-08-05T01:10:52.190Z (4 months ago)
• Topics: kernel, osdev, zig
• Language: Zig
• Homepage:
• Size: 332 KB
• Stars: 8
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# vmt

![CI](https://github.com/chivay/vmt/workflows/CI/badge.svg)

Toy OS written in Zig ;)

Requires Zig>=0.9.0.

## Contribute

Send your patches to `~chivay/[email protected]`

## How to

```bash

$ zig build qemu

[Info] x86: CPU Vendor: GenuineIntel

[Info] x86: Booting the kernel...

[Info] x86.mm: BIOS memory map:

[Info] x86.mm: [0000000000-000009fbff] Available

[Info] x86.mm: [000009fc00-000009ffff] Reserved

[Info] x86.mm: [00000f0000-00000fffff] Reserved

[Info] x86.mm: [0000100000-003ffdefff] Available

[Info] x86.mm: [003ffdf000-003fffffff] Reserved

[Info] x86.mm: [00b0000000-00bfffffff] Reserved

[Info] x86.mm: [00fed1c000-00fed1ffff] Reserved

[Info] x86.mm: [00feffc000-00feffffff] Reserved

[Info] x86.mm: [00fffc0000-00ffffffff] Reserved

[Info] x86.mm: Detected 1022MiB of free memory

[Info] kernel.mm: VirtualAddress{ffff800000000000} -> PhysicalAddress{0} (0x40000000 bytes)

[Info] kernel.mm: VirtualAddress{ffffffff80000000} -> PhysicalAddress{0} (0x200000 bytes)

[Info] x86.mm: Memory subsystem initialized

[Info] x86.trampoline: Initializing trampolines

[Info] x86.acpi: Initializing ACPI

[Info] x86.acpi: Valid RSDP found

[Info] x86.acpi: Found table FACP

[Info] x86.acpi: Found table APIC

[Info] x86.acpi: Found table HPET

[Info] x86.acpi: Found table MCFG

[Info] x86.acpi: Found table WAET

[Info] x86.apic: Initializing APIC

[Info] x86.apic: LAPIC is at PhysicalAddress{fee00000}

[Info] x86.apic: LAPIC ID 0

[Info] x86.pci: Initializing PCI

[Info] x86.pci: 00.00.0 Device 8086:29c0

[Info] x86.pci: 00.01.0 Device 1234:1111

[Info] x86.pci: 00.02.0 Device 8086:10d3

[Info] x86.pci: 00.1f.0 Device 8086:2918

[Info] x86.pci: 00.1f.2 Device 8086:2922

[Info] x86.pci: 00.1f.3 Device 8086:2930

[Info] x86.smp: Performing AP startup code relocation

[Info] x86.smp: CPU1 up

[Info] x86.smp: CPU2 up

....

```