File list (Check if you may need any files):
EP3C16_Nios_MMA7455\.metadata\.lock
...................\.........\.log
...................\.........\.plugins\org.eclipse.cdt.core\.log
...................\.........\........\....................\hello_world_0.1384150449302.pdom
...................\.........\........\....................\hello_world_0_syslib.1384150449612.pdom
...................\.........\........\................make.core\.log
...................\.........\........\.........................\hello_world_0.sc
...................\.........\........\.........................\hello_world_0_syslib.sc
...................\.........\........\.........................\specs.c
...................\.........\........\.........................\specs.cpp
...................\.........\........\.....................ui\dialog_settings.xml
...................\.........\........\................ui\dialog_settings.xml
...................\.........\........\.............ore.resources\.projects\hello_world_0\.indexes\properties.index
...................\.........\........\..........................\.........\.............\.location
...................\.........\........\..........................\.........\.............\.markers
...................\.........\........\..........................\.........\............._syslib\.indexes\properties.index
...................\.........\........\..........................\.........\....................\.location
...................\.........\........\..........................\.root\.indexes\history.version
...................\.........\........\..........................\.....\........\properties.index
...................\.........\........\..........................\.....\........\properties.version
...................\.........\........\..........................\.....\7.tree
...................\.........\........\..........................\.safetable\org.eclipse.core.resources
...................\.........\........\..................untime\.settings\org.eclipse.cdt.debug.core.prefs
...................\.........\........\........................\.........\org.eclipse.cdt.ui.prefs
...................\.........\........\........................\.........\org.eclipse.core.resources.prefs
...................\.........\........\........................\.........\org.eclipse.ui.editors.prefs
...................\.........\........\........................\.........\org.eclipse.ui.ide.prefs
...................\.........\........\........................\.........\org.eclipse.ui.prefs
...................\.........\........\............debug.core\.launches\hello_world_0 Nios II HW configuration.launch
...................\.........\........\..................ui\dialog_settings.xml
...................\.........\........\....................\launchConfigurationHistory.xml
...................\.........\........\............ui.ide\dialog_settings.xml
...................\.........\........\...............workbench\dialog_settings.xml
...................\.........\........\........................\workbench.xml
...................\.........\version.ini
...................\.sopc_builder\filters.xml
...................\.............\install.ptf
...................\.............\install2.ptf
...................\.............\preferences.xml
...................\altpll0.bsf
...................\altpll0.cmp
...................\altpll0.ppf
...................\altpll0.qip
...................\altpll0.vhd
...................\altpll0_wave0.jpg
...................\altpll0_waveforms.html
...................\altpllpll.v
...................\BEEPER.v
...................\CH376_A0.v
...................\CH376_DB.v
...................\CH376_INT.v
...................\CH376_RD.v
...................\CH376_WR.v
...................\cpu.ocp
...................\cpu.sdc
...................\cpu.v
...................\cpu_bht_ram.mif
...................\cpu_dc_tag_ram.mif
...................\cpu_ic_tag_ram.mif
...................\cpu_jtag_debug_module_sysclk.v
...................\cpu_jtag_debug_module_tck.v
...................\cpu_jtag_debug_module_wrapper.v
...............