Ну можно обманом.
C:\pspdev\psp\sdk\lib\build.mak
kxploit: $(TARGET).elf $(PSP_EBOOT_SFO)
mkdir2 -p "$(TARGET)"
$(STRIP) $(TARGET).elf -o $(TARGET)/$(PSP_EBOOT)
mkdir2 -p "$(TARGET)%"
$(PACK_PBP) "$(TARGET)%/$(PSP_EBOOT)" $(PSP_EBOOT_SFO) $(PSP_EBOOT_ICON) \
$(PSP_EBOOT_ICON1) $(PSP_EBOOT_UNKPNG) $(PSP_EBOOT_PIC1) \
$(PSP_EBOOT_SND0) NULL $(PSP_EBOOT_PSAR)
SCEkxploit: $(TARGET).elf $(PSP_EBOOT_SFO)
mkdir2 -p "__SCE__$(TARGET)"
$(STRIP) $(TARGET).elf -o __SCE__$(TARGET)/$(PSP_EBOOT)
mkdir2 -p "%__SCE__$(TARGET)"
$(PACK_PBP) "%__SCE__$(TARGET)/$(PSP_EBOOT)" $(PSP_EBOOT_SFO) $(PSP_EBOOT_ICON) \
$(PSP_EBOOT_ICON1) $(PSP_EBOOT_UNKPNG) $(PSP_EBOOT_PIC1) \
$(PSP_EBOOT_SND0) NULL $(PSP_EBOOT_PSAR)
поменять SCEkxploit и kxploit местами -)