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authorIan Moffett <ian@osmora.org>2025-06-25 16:10:56 -0400
committerIan Moffett <ian@osmora.org>2025-06-25 16:21:10 -0400
commite4a3671633f2b7783123c5456aa0ab3c27d69cc4 (patch)
tree9680eb02d8473064782fba3676231f511aa1c0a3 /usr.bin/elfdump
parent32ff35677e1444727dd12b4e7d93476f62f8135a (diff)
kernel/amd64: i8042: Use DMI for quirk checkingexpt
On certain embedded controllers (ECs) like the EC present on the Thinkpad T420s, writes to the i8042 controller configuration byte are not very liked by the EC internal logic and thus result in them asserting an NMI as a certain host bus error. To workaround this, Hyra falls back to polling on these specific devices. Previously, Hyra did not have DMI/SMBIOS capabilities and therefore had to rely on assuming *all* Lenovo devices were "hostile". As of now since we are capable grabbing the product version from DMI, we can target specific devices like the T420s and this commit provides that logic. This commit additionally implements logic to enable interrupts on PS/2 port 0 (aka the keyboard). Signed-off-by: Ian Moffett <ian@osmora.org>
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