From 7989fb5348ce44b1350c027f2a7c4acf2bec6989 Mon Sep 17 00:00:00 2001 From: dwelch Date: Sat, 26 Mar 2016 09:26:19 -0400 Subject: [PATCH] adding readme to go with it --- boards/pi2/README | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/boards/pi2/README b/boards/pi2/README index 7ac545b..356ea6b 100644 --- a/boards/pi2/README +++ b/boards/pi2/README @@ -26,3 +26,10 @@ Repeat as necessary. Or you can copy the blinker01.bin file to the kernel7.img file on your sd card, replace the sd card and turn the power on. + +In late 2015 the standard GPU bootloader would put the ARM in HYP mode +on its way to running kernel7.img. As of this writing that is still +the case. I now see how to switch back to SVC. So there is a directory +of examples for staying in HYP mode and a directory for switching +to SVC mode. +