Warner's Random Hacking Blog

A Diary of Warner's Hacking Projects and other random thoughts

20231222

FreeBSD/armv7 in Qemu

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Armv7 Virtualization Just a quick note for booting an FreeBSD/armv7 virtual machine. I'll document a few bumps that I hit along the way....
20230724

Some Hints For Splitting Commits

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Some Hints For Splitting Commits Sometimes in a code review, the commentators suggest that commits be broken up i...
20220606

DEC Rainbow Floppies Found on EBAY

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 DEC Rainbow Floppies on EBAY A group called "Australia SDC" recently liquidated their DEC Rainbow floppy collection on EBAY. I wo...
20220331

DEC Rainbow Power Supply Specs

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 DEC Rainbow 100B Power Supply Specs For the next time I'm looking for this... The DEC Rainbow power supply, as documented in the TM100 ...
20211002

Spelling Fixes -- Some Advice

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 Some Thoughts on Spelling Fixes I've been looking at a number of FreeBSD pull requests lately. Many of them are spelling fixes. I'd...
2 comments:
20210828

A new path: vm86-based venix emulator

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 Venix Emulator Update It's been a while since I've had time to work on the Venix emulator. When I set it aside over a year ago, I...
20210501

On Updating QEMU's bsd-user fork

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 QEMU bsd-user bsd-user is a 'user mode' emulation tool. It emulates FreeBSD's system calls on FreeBSD well, and $OTHER-BSD syst...
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About Me

Warner Losh
Warner Losh has been interested in computers since a very early age. He got his degree from a small school in the middle of New Mexico where he used 4.2BSD on the VAX 11/750. He's done a little GUI work, and a lot of kernel work in BSD, Solaris and even Linux. He became interested in the MIPS architecture when he was given a Deskstation rPC44 in 1994 and has wanted a FreeBSD MIPS port ever since then. In the mean time, he's amused himself and his employers by writing or improving FreeBSD's PC Card, CardBus, USB, SD/MMC, PCI and device configuration subsystems. He's embedded FreeBSD into products for the past 9 years. He serves on the FreeBSD core team and has specialized in handling "problem children" in the FreeBSD project and sorting out the complexity of open source software licensing. In the past 8 years, he's worked in the high precision time and frequency domain. He delivered systems that are used to montior the cesium clocks at NIST and USNO; used to recover UTC from GPS satellites; and used to synchronize digital video broadcasting stations. These systems were a mix of C++ user level code, kernel device drivers and specialized "timing" hardware.
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