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Linux

Embedded Linux 1-Second Cold Boot To QT 141

An anonymous reader writes "The blog post shows an embedded device cold booting Linux to a QT application all in just one second. This post also includes a link which describes what modifications were made to achieve this."
Linux

Submission + - 1 second embedded Linux QT boot (youtube.com)

frogboyflips writes: MPC Data have produced an impressive swiftboot demo which shows a Linux kernel booting and launching a QT application in less than one second (with video capture and render). This was shown at the Renesas DevCon and is a demonstration of how you can optimise the cold boot of an embedded device by removing unused functionality and optimising required functionality. The greatest challenge here was with QT — however these were overcome with techniques such as re-ordering the contents of the ELF executable, removing read-ahead in the flash filesystem and linking against uClibc. More details will be described at a boot time presentation at ELCE next week.
Linux

Submission + - Linux Kernel PrintK Format Specifiers (embedded-bits.co.uk)

frogboyflips writes: The kernel printk function provides some rather useful but perhaps undocumented format specifiers. This blog post provides an overview of how you can print IP addresses, MAC addresses and function names from pointers all using printk format specifiers.
Linux

Submission + - 1 Second Linux Boot! (embedded-bits.co.uk)

An anonymous reader writes: Less than one second Linux boot! This post/video shows an OMAP3530 capturing video data from a camera and rendering it to an LCD display — the video appears on the LCD display in less than a second from reset.

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