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authorNicholas Chin <nic.c3.14@gmail.com>2023-12-17 18:02:29 -0700
committerNicholas Chin <nic.c3.14@gmail.com>2023-12-17 19:38:23 -0700
commitca28255db8f18dbcd2db077fb18a6075792ad41c (patch)
treebadef59e64bded87ed1e4d1db51f1e1608ab0edf
parentf481908135470d55124013bb8770148544979712 (diff)
README.md: Add instructions for relaxing memory permissions
As this utility requires access to /dev/mem, the default protections of Linux and OpenBSD must be relaxed to allow this. Make a note of this in the instructions.
-rw-r--r--util/dell-flash-unlock/README.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/util/dell-flash-unlock/README.md b/util/dell-flash-unlock/README.md
index 7d9b4b85..fd000efc 100644
--- a/util/dell-flash-unlock/README.md
+++ b/util/dell-flash-unlock/README.md
@@ -8,6 +8,8 @@ E6400, which mainly seem to be the Latitude and Precision lines starting from
around 2008 (E6400 era).
## TL;DR
+On Linux, ensure you are booting with the `iomem=relaxed` kernel parameter.
+On OpenBSD, ensure you are booting with securelevel set to -1.
Run `make` to compile the utility, and then run `sudo ./dell_flash_unlock` and
follow the directions it outputs.