neorv32/sw/openocd/target.cfg

# -------------------------------------------------------------------
# Target configuration and (session) initialization
# Do not edits this file.
# -------------------------------------------------------------------
proc target_setup { {NUM_CORES 1} } {

  # path of this file
  set PATH [ file dirname [ file normalize [ info script ] ] ]

  # configure physical interface
  source [file join $PATH interface.cfg]

  set CORENAME neorv32

  # configures JTAG tap
  jtag newtap $CORENAME cpu -irlen 5

  # attach core(s)
  if { $NUM_CORES == 1 } {
    set TARGETNAME $CORENAME.cpu
    target create $TARGETNAME riscv -chain-position $TARGETNAME
  } elseif { $NUM_CORES == 2 } {
    set TARGETNAME_0 $CORENAME.cpu0
    set TARGETNAME_1 $CORENAME.cpu1
    target create $TARGETNAME_0 riscv -chain-position $CORENAME.cpu -rtos hwthread
    target create $TARGETNAME_1 riscv -chain-position $CORENAME.cpu -coreid 1
    target smp $TARGETNAME_0 $TARGETNAME_1
  } else {
    echo "ERROR: Invalid NUM_CORE configuration!"
  }

  # GDB server configuration
  gdb report_data_abort enable
  gdb report_register_access_error enable

  # expose additional / NEORV32-specific CSRs
  riscv expose_csrs 2048=cfureg0
  riscv expose_csrs 2049=cfureg1
  riscv expose_csrs 2050=cfureg2
  riscv expose_csrs 2051=cfureg3
  riscv expose_csrs 4032=mxisa

  # initialize target
  init

  # authenticate
  source [file join $PATH authentication.cfg]

  # halt
  halt
  echo "Target HALTED. Ready for remote connections."
}