Add x1 experiments

.gitignore

@@ -0,0 +1,256 @@
+
+# Created by https://www.toptal.com/developers/gitignore/api/python,go,jetbrains+all
+# Edit at https://www.toptal.com/developers/gitignore?templates=python,go,jetbrains+all
+
+### Go ###
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+### Go Patch ###
+/vendor/
+/Godeps/
+
+### JetBrains+all ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### JetBrains+all Patch ###
+# Ignores the whole .idea folder and all .iml files
+# See https://github.com/joeblau/gitignore.io/issues/186 and https://github.com/joeblau/gitignore.io/issues/360
+
+.idea/
+
+# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
+
+*.iml
+modules.xml
+.idea/misc.xml
+*.ipr
+
+# Sonarlint plugin
+.idea/sonarlint
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+pytestdebug.log
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+doc/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+pythonenv*
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# profiling data
+.prof
+
+# End of https://www.toptal.com/developers/gitignore/api/python,go,jetbrains+all
+
+/x1/*.bin

README.md

@@ -5,6 +5,8 @@
  - [read_keys.py](read_keys.py) Initialize the keyboard MCU and poll key code
  - [read_keys_SH3.py](read_keys_SH3.py) Scan key matrix and return key name(deprecated)
  - [read_keys_SH3.c](read_keys_SH3.c) Scan key matrix and return key name rewritten with C. nice performance
+ - [x1](x1) Executable to analyze `[JHSBA]1` gen
+
 
 ### License
 

x1/Makefile

@@ -0,0 +1,10 @@
+CROSS_COMPILE:=arm-linux-gnueabi-
+AS:=$(CROSS_COMPILE)as
+
+.PHONY:
+all: return.bin mrc.bin
+
+%.bin: %.S
+	@$(AS) $<
+	@./extract.py a.out $@
+	@rm -f a.out

x1/README.md

@@ -0,0 +1,16 @@
+#### Code
+ - `mrc.S`  Read SCTLR (MMU etc.) and return
+ - `return.S`  Return immediately
+ - `extract.py`  Extract .text
+
+
+#### Build
+```sh
+pip3 install pyelftools
+make all
+```
+
+#### Run
+ - Create a directory `/path/to/sd/APP/foo`
+ - Create index.din `touch /path/to/sd/APP/foo/index.din`
+ - Copy and rename the raw executable `cp foo.bin /path/to/sd/APP/foo/AppMain.bin`

x1/extract.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import sys
+from elftools.elf.elffile import ELFFile  # pip install pyelftools
+
+
+def main():
+    if len(sys.argv) < 3:
+        print(f'Usage: {sys.argv[0]} in.elf out.bin')
+        sys.exit(1)
+
+    with open(sys.argv[1], 'rb') as f:
+        extract(ELFFile(f))
+
+
+def extract(elf):
+    text = elf.get_section_by_name('.text')
+    if text is None:
+        print('Input ELF has no .text section', file=sys.stderr)
+
+    with open(sys.argv[2], 'wb') as f:
+        f.write(text.data())
+
+    print(f'Successfully extracted the .text section to "{sys.argv[2]}"')
+
+
+main()

x1/mrc.S

@@ -0,0 +1,7 @@
+.text
+    .align 2
+    .global _start
+
+_start:
+    mrc p15, 0, r10, c1, c0, 0
+    mov pc, lr

x1/return.S

@@ -0,0 +1,6 @@
+.text
+    .align 2
+    .global _start
+
+_start:
+    mov pc, lr