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1. Create the $IOC_DATA directory for your cpu and iocs as follows:
1. cd $IOC_DATA
2.  Create the $EPICS_IOCS cpu and ioc boot directories
   1. cd $EPICS_IOCS
   2. mkdir cpu-<area>-<subsystem-prefix><2-digit#>  
   3. mkdir  sioc-<area>-<subsystem-prefix><2-digit#>
   4. Modify your application to add the cpu boot scripts.  If your IOC runs on a Shared Platform cpu then modify the SharedPlatform IOC
Application to
3. 1. Application  :
    add your cpu st.cmd file  to
   2. 1. 1.  add  cpuBoot/<faciilti>/<cpu node>/st.cmd
         2. add any dhcp.config or ethercat xml scripts
         3. tag and push shared the SharedPlatform  tag to production  using cram.
   3. Add ipxe in $TFTPBOOT/LinuxRT/boot/ipxe/<cpu>.ipxe
      1. note the buildroot version must correspond to the Application buildroot version defined based on the EPICS base version
   4. Setup cpu directory files
      Original Method: (steps 3b and 3c)
      1. cd cpu-<area>-<subsystem-prefix><2-digit#>
      2. Setup relative symbolic links to the common startup script and EPICS version:.
         1. ln -s ../common/st.cmd.linuxRT.cpu  startup.cmd
         2. ln -s ../common/bin/<epics base version>  epicsSpecificRelease
      3. Generate the file kernel-module.cmd. This file load kernels modules and drivers: kernel-modules.cmd
         for examples click  here.
         New Method: (steps 3d and 3e) - must be base release R7.0.3.1-1.0 or greater
      4. Automatic:  
         1. createLinuxRTCpu --help
      5. Manual:
         1. cd cpu-<area>-<subsystem-prefix><2-digit#> 
         2. Setup relative symbolic like to the TOP of the IOC Application  first time only, thereafter use cram to upgrade link.
            1. ln -s ../../iocTop/<app> iocSpecificRelease
         3.  cp ../template/startup.cmd.linuxRT.cpu startup.cmd
            1. replace <cpu> with your cpu name
            2. replace <full path> with the full path to the directory with the cpu boot st.cmd file
   5. Setup ioc directory files
   1. cd sioc-<area>-<subsystem-prefix><2-digit# 
   2. copy the ioc startup.cmd script from  $EPICS_IOCS/templat
   1. for linuxRT running iocsh:    cp ../template/startup.cmd.linuxRT          startup.cmd
   2. for  linuxRT running cexp:     cp ../template/startup.cmd.linuxRT.cexp  startup.cm
   3. edit startup.cmd
   1. 1. replace <ioc>  with your ioc name and for cexp replace <facility>
      2. change path of the EPICS_IOC_APP if your st.cmd file is in a non-standard location.
   2. cp ../template/screenrc   screenrc
   3. edit screenrc and replace <ioc> with your ioc name
   4. Setup a relative symbolic link to the TOP of the IOC Application release.

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