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Posted by mfleming on 06/10/2014
 
Writing software is hard. It's particularly difficult when major portions of the software stack are developed by entirely separate groups of people. This division is pretty apparent when looking at the software boundary between firmware and operating system.
 
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Posted by mfleming on 02/13/2014

 Historically a Linux kernel image required a UEFI Linux bootloader to load and execute it. Since release 3.3 the Linux x86 kernel can be executed directly by UEFI firmware. The code that makes this possible is known as the EFI Boot Stub and this article discusses its rationale, design and the pros and cons of using the EFI boot stub.

The bzImage file format

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Posted by BrianRichardson on 01/31/2014

A few weeks, Microsoft quietly released a utility for their Surface Pro & Surface Pro 2 tablets. While the Microsoft Surface Pro UEFI CA OEM PK Tool won’t turn a lot of heads, it’s a pretty big deal for people using UEFI Secure Boot.

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Posted by BrianRichardson on 01/17/2014

For some reason, people still think UEFI Secure Boot doesn’t work with Linux. In reality, Linux has some innovative uses for Secure Boot, such as the Machine Owner Key (MOK) in SUSE.

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Posted by BrianRichardson on 01/9/2014

Ever wonder how that ‘Advanced startup’ feature lets Microsoft Windows 8 boot directly into the firmware setup? Probably not, but it’s a good excuse to describe ‘OS Indications’ in UEFI.

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Posted by mfleming on 01/3/2014

This article gives a summary of the two methods Linux provides for accessing UEFI runtime variables, along with the tradeoffs and a little bit of history.

The Legacy efivars Interface

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Posted by BrianRichardson on 12/24/2013

Want to install Linux on your computer without disabling UEFI Secure Boot? Worried it won’t work? Brian shows how to check your computer’s UEFI Secure Boot setup under Windows.

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Posted by BrianRichardson on 12/17/2013

UDK2010 is about to get a major update. Say hello to UDK2014!

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Posted by BrianRichardson on 12/17/2013

The Intel® UEFI Community Resource Center now has a blog! It may not sound that exciting at first, but we think it's pretty cool.

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