Sebastian Kubala SKGleba

🔔

Counting bits

SKGleba / sdwire.py

Last active October 14, 2024 16:06

A simple python script to control sdwire mux on Windows / Linux / MacOS

	#!/usr/bin/env python3

	#
	# sdwire.py - SDWire control script
	#
	# Copyright (c) 2024 skgleba
	#
	# This software may be modified and distributed under the terms
	# of the MIT license. See the LICENSE file for details.
	#

SKGleba / curling.sh

Last active May 28, 2024 07:27

Google Drive API wrapper for basic ops

	# !/bin/bash
	# Google Drive API wrapper
	# Create a project in Google Cloud Console, enable Drive API for chosen scopes, create OAuth 2.0 credentials, save them as secret.json in the same directory as this script
	# and run this script with the 'init' argument to get the refresh token

	SCRIPT_DIR=$(dirname $0)
	RTOKEN_FILE="$SCRIPT_DIR/rtoken.json" # Refresh token file
	TTOKEN_FILE="$SCRIPT_DIR/ttoken.json" # Temporary token file
	SECRET_FILE="$SCRIPT_DIR/secret.json" # Secrets
	RFILES_LIST="$SCRIPT_DIR/rfiles.csv" # remote files list

SKGleba / mkfakesd.c

Created November 4, 2023 20:26

create a fake bootable emmc/gcsd image for psp2 glitching

	#include <stdio.h>
	#include <string.h>
	#include <stdlib.h>
	#include <inttypes.h>
	#include <stdint.h>

	#define BLOCK_SIZE 0x200
	#define ALIGN_SECTOR(s) ((s + (BLOCK_SIZE - 1)) & -BLOCK_SIZE) // align (arg) to BLOCK_SIZE

	uint32_t getSz(const char* src) {

SKGleba / qaf_xtractor.c

Created October 13, 2022 15:49

find, extract, etoify qaf tokens from a blob

SKGleba / toggle_qaf.c

Created September 3, 2022 15:39

toggle use_qaf in syscon scratchpad, persists until power loss

	#include <stdio.h>
	#include <string.h>
	#include <psp2kern/kernel/modulemgr.h>
	#include <vitasdkkern.h>

	void hexdump(uint8_t* data, int size) {
	for (int i = 0; i < size; i -= -1) {
	if (!(i % 0x10))
	ksceDebugPrintf("\n %04X: ", i);
	ksceDebugPrintf("%02X ", data[i]);

SKGleba / nvs_read.c

Last active August 28, 2022 18:16

gets MGMT flags, reads and decrypts S/NVS of PSP2's syscon

	#include <stdio.h>
	#include <string.h>
	#include <psp2kern/kernel/modulemgr.h>
	#include <vitasdkkern.h>

	typedef struct SceSblSmCommContext130 {
	uint32_t unk_0;
	uint32_t self_type; // 2 - user = 1 / kernel = 0
	char data0[0x90]; //hardcoded data
	char data1[0x90];

SKGleba / Makefile

Created March 15, 2022 15:46

bypass 24bit _start in mep gcc

	%.S: %.c
	$(CC) -S -o $@ $< $(CFLAGS)

	%.o: %.S
	mv $< $<.w
	awk '{if ($$1 == "movu" && !($$3 ~ /^[0-9]/)) {$$1 = "or3"; $$4 = $$3; $$3 = $$2; printf("\tmovh %s 0x0004\n\t", $$2)}} 1' $<.w > $<
	rm $<.w
	$(CC) -c -o $@ $< $(CFLAGS)

SKGleba / readas.c

Created January 23, 2022 00:39

Snuffleupagus interface for f00d

	/*
	* Copyright (C) 2021-2022 skgleba
	*
	* This software may be modified and distributed under the terms
	* of the MIT license.
	*/

	#define READAS_REG 0xE0020040 // readas32 device

	#define RAS_DEV_S 0 // default secure

SKGleba / f00dbg.c

Last active February 21, 2022 06:32

switch to f00d debug mode without bothering the debugger

	// warning: the dbg exception (0x00040018) must be set to "reti"

	// simply call set_dbg_mode(true) or (false) to enter or exit debug mode
	// this code needs to be a separate function, do not inline it
	__attribute__((noinline))
	void set_dbg_mode(bool debug_mode) {
	if (!debug_mode) {
	asm(
	"ldc $0, $lp\n"
	"stc $0, $depc\n"

SKGleba / ernie_xcryptor.c

Last active August 15, 2021 15:46

	/* THIS FILE IS A PART OF PSP2FWTOOL
	*
	* Copyright (C) 2019-2021 skgleba
	*
	* This software may be modified and distributed under the terms
	* of the MIT license. See the LICENSE file for details.
	*/

	#include <stdio.h>
	#include <string.h>