82 lines
2.2 KiB
Markdown
82 lines
2.2 KiB
Markdown
# HOS System Requirements
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HOS requires:
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* A 64-bit CPU.
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* A UEFI system.
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* 128MB of RAM.
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# Building HOS
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From the top level of the repository, run:
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./rscons
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If you get errors about missing packages, install the packages and then re-run
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the build command.
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# Running HOS
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HOS can run on a physical machine, in VirtualBox, or in QEMU.
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## Physical Machine
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To install HOS to an EFI partition, follow these steps:
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1. Copy build/hello/HOS.EFI to EFI partition EFI/HOS.EFI. For example, from Linux:
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sudo cp build/hello/HOS.EFI /boot/efi/EFI/HOS.EFI
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2. Register EFI loader for HOS (one time only) with command:
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efibootmgr -c -d /dev/nvme1n1 -p 2 -l '\EFI\HOS.EFI' -L HOS
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(Update the -d device parameter and -p partition parameter as appropriate)
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3. Set boot order to desired boot order. Exact order will be system dependent. Example:
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efibootmgr -o 2,0,6,5
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At this point you should be able to boot HOS from your EFI boot selection menu.
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If you use GRUB, you can optionally create a GRUB boot entry to load HOS.EFI
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with an entry like this:
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menuentry 'HOS' {
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insmod part_gpt
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insmod chain
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set root='(hd0,gpt1)'
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chainloader /EFI/HOS.EFI
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}
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Just update the root setting for the correction location to your system's EFI
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partition.
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## VirtualBox
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To create a VM in VirtualBox:
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1. Build HOS ("./rscons").
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2. In VirtualBox, select Machine -> New.
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3. Set name to HOS.
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4. Set Type to Other.
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5. Set Version to Other/Unknown (64-bit).
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6. Click Next.
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7. Set memory size to 512 MB.
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8. Click Next.
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9. Select Do not add a virtual hard disk.
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10. Click Create.
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11. From the HOS repository, create a VirtualBox VMDK image with "./rscons mk-vmdk".
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12. Move the HOS.vmdk file generated to the HOS VirtualBox folder.
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13. In VirtualBox Manager, open HOS VM settings.
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14. Under System, check the Enable EFI checkbox.
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15. Under System, change the Chipset to ICH9.
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16. Under Storage, add a hard disk and browse to select the HOS.vmdk file.
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17. To run HOS, either start the VM through VirtualBox or with "./rscons run-vb".
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## QEMU
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Make sure QEMU is installed (possibly the `qemu-desktop` package). Then:
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1. Build HOS ("./rscons").
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2. Run `./rscons run` to run HOS in QEMU.
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