Browsing All posts tagged under »boot«

New U-Boot boots ARM faster

September 30, 2010

5

A new version of U-Boot is out (here the announcement). U-Boot is a bootloader that aims to be flexible enough to be adapted to work on any architecture. This version (2010.09, that can be downloaded from their FTP server) adds Cache support to ARM architectures. The developers reported a couple of performance tests on a […]

Custom hardware modeling with QEMU (ELC 2010)

September 4, 2010

2

The videos of the presentations held at the Embedded Linux Conference 2010 have been recently made public on Free Electrons. I was particularly interested in one speech: Custom Hardware Modeling for FPGAs and Embedded Linux Platforms with QEMU (PDF slides and OGV video). John Williams (PetaLogix) illustrates the work they have been doing on reducing […]

U-boot for ARM on QEMU

March 10, 2010

103

Instructions to compile and run the U-Boot bootloader inside a QEMU emulation of an ARM platform.

Improve Linux boot time

September 9, 2009

1

A few tips to speed up boot for your Linux box: 1. You need a tool to measure performance objectively: bootchart is very useful to track the lifetime of the processes, disk I/O and CPU load during boot. It needs no configuration whatsoever: you install it (for example using “apt-get install bootchart” in Debian-based systems) […]

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