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Josephine Pfeiffer 2025-05-29 11:54:20 +02:00
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# ISO files
*.iso
# Temporary files
*.tmp
*.swp
*.swo
*~
# OS generated files
.DS_Store
Thumbs.db
# Build artifacts
*.o
*.ko
*.obj
*.elf
# Compressed files
*.gz
*.bz2
*.xz
# Backup files
*.bak
*.backup
# Log files
*.log

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[general]
name = Arch Linux
version = 2025.05.01
arch = s390x
platforms = s390x
[stage2]
mainimage = s390x/boot/rootfs.img
[images-s390x]
kernel = s390x/boot/vmlinuz-linux
initrd = s390x/boot/initramfs-linux.img

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# CODEOWNERS for Arch Linux s390x LPAR boot components
# Global owners
* @pfeifferj josie@redhat.com
* @Morganamilo morganamilo@archlinux.org

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Copyright (c) 2025 Arch Linux s390x Contributors
This work is based on Arch Linux (https://archlinux.org/)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
================================================================================
This distribution contains software from the Arch Linux project, which includes
components under various open source licenses including but not limited to:
- GNU General Public License (GPL)
- GNU Lesser General Public License (LGPL)
- BSD licenses
- MIT license
- Apache License
For specific licensing information about individual packages, please refer to
the license files included with each package in the Arch Linux repositories.

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# Arch Linux s390x LPAR Boot Components
This repository contains the necessary files to boot Arch Linux on IBM System z (s390x) LPAR.
## Structure
```
.
├── s390x/
│ └── boot/
│ ├── arch.prm # Kernel parameters
│ ├── initrd.addrsize # Memory layout for initrd
│ ├── vmlinuz-linux # s390x kernel (needs to be added)
│ └── initramfs-linux.img # s390x initrd (needs to be added)
├── generic.ins # IPL configuration file
├── .treeinfo # Boot media metadata
└── README.md # This file
```
## Boot Files
- **generic.ins** - IPL configuration file that specifies:
- Kernel location: `s390x/boot/vmlinuz-linux` at address `0x00000000`
- Initrd location: `s390x/boot/initramfs-linux.img` at address `0x02000000`
- Parameter file: `s390x/boot/arch.prm`
- Address/size file: `s390x/boot/initrd.addrsize`
- **arch.prm** - Kernel boot parameters:
- Console settings for both serial and virtual terminals
- Arch ISO base directory and label
- **initrd.addrsize** - Memory layout:
- Start address: `0x02000000`
- Maximum size: `0x10000000` (256MB)
- **.treeinfo** - Boot media metadata for SFTP boot
## Todo
1. Build or obtain s390x versions of:
- Linux kernel compiled for s390x
- Initramfs with s390x userspace

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* Arch Linux s390x LPAR boot file
s390x/boot/vmlinuz-linux 0x00000000
s390x/boot/initramfs-linux.img 0x02000000
s390x/boot/arch.prm 0x00010480
s390x/boot/initrd.addrsize 0x00010408

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rw console=ttyS0 console=tty0 archisobasedir=arch archisolabel=ARCH_2025_05_01

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0x02000000 0x10000000