pgaskin

#!/bin/sh
set -eu

encode_integer() {
	local value=$1
	printf "0x10 0x%08X" $((value&0xFFFFFFFF))
}

encode_dimen() {
	# https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/util/TypedValue.java

pgaskin

setup

mkdir /opt/rsync-backup
cd /opt/rsync-backup
go mod init rsync-backup
go mod tidy
go build .
mkdir -p /etc/sysusers.d /etc/tmpfiles.d
ln -sf /opt/rsync-backup/rsync-backup.sysusers /etc/sysusers.d/rsync-backup.conf

pgaskin

# Beware! This file is rewritten by htop when settings are changed in the interface.
# The parser is also very primitive, and not human-friendly.
htop_version=3.2.2
config_reader_min_version=3
fields=0 48 38 39 119 40 2 46 47 49 1
hide_kernel_threads=1
hide_userland_threads=1
hide_running_in_container=0
shadow_other_users=0
show_thread_names=0

pgaskin

#!/bin/bash
set -euo pipefail
cd "$(dirname "$0")"

if [[ $# -ne 1 ]] && [[ $# -ne 2 ]]; then
    echo "usage: $0 fw [old_fw]"
    exit 2
fi

test -f ~/kp/v/$1/nickel

pgaskin

#!/usr/bin/env python3
import itertools
import json
import math
import socket
import time
import urllib.error
import urllib.request
import urllib.parse

pgaskin

<# ::
@@ start "" powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -Command "Invoke-Expression (Get-Content -Raw '%~f0')"
#>

$ErrorActionPreference = "Stop"
try {
Add-Type -Language CSharp -ReferencedAssemblies $("System.Windows.Forms", "System.Drawing") @"
using System;
using System.Drawing;
using System.Reflection;

pgaskin

# enable AMD IOMMU with DMA passthrough
# note: iommu=pt is much faster than the default translated DMA since memory access doesn't need to go through the hypervisor
sudo sed -i '1 s/$/ amd_iommu=on iommu=pt/' /etc/kernel/cmdline

# list IOMMU groups
# record the PCI IDs of all devices in the target group
for d in /sys/kernel/iommu_groups/*/devices/*; do
	n=${d#*/iommu_groups/*};
	n=${n%%/*};
	test $n -eq $pn || printf '\nIOMMU Group %s\n' $n;

pgaskin

Using systemd-boot on Fedora 37

If doing a fresh install, start with an EFI system partition and an ext4 /boot/ partition.

1. Remove unnecessary packages.

   rm -rf /etc/dnf/protected.d/{grub,shim}*
   dnf remove grubby grub2\* shim\*

pgaskin

// as qchlimit.s -o qchlimit.o
// ld qchlimit.o -o qchlimit
// llvm-strip --strip-all --strip-sections qchlimit
// adb root && adb shell 'killall qchlimit ; /path/to/qchlimit 35 75 &'

.global _start
.text
	.equ SYS_openat,	56
	.equ SYS_pread64,	67
	.equ SYS_pwrite64,	68

pgaskin

2022-09-24

Installation

• TWRP is buggy, seems to cause problems with LOS + FlameGapps.
• Use LOS recovery after flashing stock 11.
• fastbootd usb doesn't seem to work.

Battery life

• Can stop charging with echo 1 > /sys/class/power_supply/qcom_battery/input_suspend.
• See stuff about cnss-daemon.