#!/bin/bash
# Used for processing pci.ids into ipxe format
# https://raw.githubusercontent.com/pciutils/pciids/master/pci.ids

if [[ ! -n "$1" || ! -n "$2" ]]; then
  echo "Please set PCIIDS file location and PCIIDS output file location..."
  echo "pciids_gen pci.ids pciids.ipxe"
  exit 1
fi

PCIIDS_FILE=$1
PCIIDS_IPXE=$2

awk ' \
  BEGIN { \
    print "#!ipxe\ngoto ${vendor}${device} || goto ${vendor} || exit" \
  } \
  /^[0-9a-f]{4}/ { \
    vendor=substr($1,1,4); \
    printf ":%s\nset ven %s\nexit\n", vendor, substr($0,7) \
  } \
  /^\t[0-9a-f]{4}/ { \
    printf ":%s%s\nset dev %s\ngoto %s\n", \
    vendor, substr($0, 2, 4), substr($0, 8), vendor \
  } \
' ${PCIIDS_FILE} > ${PCIIDS_IPXE}