@Override
	public void invalidateCache(boolean all) throws IOException {
		this.invalidateReadCache();
		invalidateRegisterStores();
	}
Intialize context with default values defined by pspec and cspec.
NOTE: cspec values take precedence
@param lang processor language
@param compilerSpec compiler specification
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/register/ProgramRegisterContextDB.java