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Michael Brown 900f1f98d3 [librm] Test for FXSAVE/FXRSTOR instruction support 
Assume that preservation of the %xmm registers is unnecessary during
installation of iPXE into memory, since this is an operation that by
its nature substantially disrupts large portions of the system anyway
(such as the E820 memory map).  This assumption allows us to utilise
the existing CPUID code to check that FXSAVE/FXRSTOR are supported.

Test for support during the call to init_librm and store the flag for
use during subsequent calls to virt_call.

Reduce the scope of TIVOLI_VMM_WORKAROUND to affecting only the call
to check_fxsr(), to reduce #ifdef pollution in the remaining code.

Debugged-by: Johannes Heimansberg <git@jhe.dedyn.io>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2021-02-18 15:38:56 +00:00
.github/workflows [ci] Disable redundant scheduled execution of Coverity Scan 2021-02-05 11:59:27 +00:00
contrib [cloud] Add utility for importing images to AWS EC2 2021-02-16 00:27:40 +00:00
src [librm] Test for FXSAVE/FXRSTOR instruction support 2021-02-18 15:38:56 +00:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org