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Michael Brown 3c83843e11 [rng] Check for several functioning RTC interrupts 
Commit 74222cd ("[rng] Check for functioning RTC interrupt") added a
check that the RTC is capable of generating interrupts via the legacy
PIC, since this mechanism appears to be broken in some Hyper-V virtual
machines.

Experimentation shows that the RTC is sometimes capable of generating
a single interrupt, but will then generate no subsequent interrupts.
This currently causes rtc_entropy_check() to falsely detect that the
entropy gathering mechanism is functional.

Fix by checking for several RTC interrupts before declaring that it is
a functional entropy source.

Reported-by: Andreas Hammarskjöld <junior@2PintSoftware.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2023-02-11 15:11:51 +00:00
.github/workflows [ci] Cache downloaded packages for GitHub actions 2023-02-06 19:59:04 +00:00
contrib [cloud] Allow aws-import script to run on Python 3.6 2022-04-06 14:36:07 +01:00
src [rng] Check for several functioning RTC interrupts 2023-02-11 15:11:51 +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