hoshinolina

Legend:

• (K)ernel or (U)ser
• (S)hared or (P)rivate
• (F)irmware or (G)PU or (X)Both

TVB Buffer heap:

Directly related to the buffer heap

• (KSF): Buffer info struct (maybe should be KPF?)
• (KSF): Block control pointers
• (KSF): Use counter

hoshinolina

AGX coherency, caching, and TLBs

These are just some notes on my current understanding of the subtleties of the AGX memory model and the TLB/caching issues I'm seeing.

Hypervisor shenanigans

TLBI instructions do not broadcast to the GPU from EL1 with stage 2 translation enabled. That's it. That's what the bug was.

GPU side

wulfboy-95

# Copyright wulfboy_95 2022, All Rights Reserved.

# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.  This file is offered as-is,
# without any warranty.

import board
import keypad
import struct

Anime4000

NOTE

• This gist has been moved here: https://github.com/Anime4000/RTL9601C1 (Full Guide)
• Open a issue to start a discussion