On Tue, 2014-05-13 at 13:13 +0100, David Woodhouse wrote: > > Hi Elvin, > > These fields are defined in the v0.98 update to the CSM specification, > available at > http://www.intel.com/content/www/us/en/architecture-and-technology/unified-extensible-firmware-interface/efi-compatibility-support-module-specification-v098.html > > The UmaAddress and UmaSize fields allow a CSM to use memory between > 0xc0000 and 0xfffff as RAM, instead of having it marked read-only by the > LegacyRegion implementation on the UEFI side. Some implementations, such > as SeaBIOS, want to put stacks there to avoid overflowing a low-memory > application/OS stack.
FWIW you can see the SeaBIOS side of this same API addition at http://git.infradead.org/users/dwmw2/seabios.git/commitdiff/e763ac340 -- David Woodhouse Open Source Technology Centre david.woodho...@intel.com Intel Corporation
smime.p7s
Description: S/MIME cryptographic signature
------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs
_______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel
