⬢ DragonFlyBSD Kernel Audit
DF-2304 / fwpci_prep.sh
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#!/bin/sh
# fwpci_prep.sh -- one-time guest preparation for the fwohci_pci.c rig
# (DF-2304..DF-2306).  Files are pushed to /root/fwo from the host.
set -e
cd /root/fwo

# 1. install both harness TUs into the kernel source tree (the guest
#    /usr/src is the build scratch; the host-side sys/ tree is never
#    modified).  fwpci_harness.c #includes the UNMODIFIED fwohci_pci.c
#    into its TU and fwohci_harness.c #includes the UNMODIFIED fwohci.c
#    (and exports fh_regs to the fwpci TU), so both stock units are
#    dropped from the FWO build to avoid duplicate symbols.
install -m 644 fwohci_harness.c fwohci_harness.h fwpci_harness.c \
    fwpci_harness.h /usr/src/sys/bus/firewire/
sed -i '' -e 's|^bus/firewire/fwohci.c[[:space:]].*|bus/firewire/fwohci.c\toptional fwohci_stock_disabled|' /usr/src/sys/conf/files
sed -i '' -e 's|^bus/firewire/fwohci_pci.c[[:space:]].*|bus/firewire/fwohci_pci.c\toptional fwohci_stock_disabled|' /usr/src/sys/conf/files
grep -q fwohci_harness.c /usr/src/sys/conf/files || \
    printf 'bus/firewire/fwohci_harness.c\toptional fwohci_harness\n' \
        >> /usr/src/sys/conf/files
grep -q fwpci_harness.c /usr/src/sys/conf/files || \
    printf 'bus/firewire/fwpci_harness.c\toptional fwpci_harness\n' \
        >> /usr/src/sys/conf/files
grep -n 'firewire' /usr/src/sys/conf/files

if [ ! -f /usr/src/sys/config/FWO ]; then
    cp /usr/src/sys/config/X86_64_GENERIC /usr/src/sys/config/FWO
    printf '\n# fwohci/fwohci_pci audit rig (DF-2300..DF-2306)\ndevice\t\tfwohci_harness\ndevice\t\tfwpci_harness\n' \
        >> /usr/src/sys/config/FWO
fi
tail -3 /usr/src/sys/config/FWO

# 2. panic behavior: no ddb, dump on
grep -q debugger_on_panic /etc/sysctl.conf || \
    echo 'debug.debugger_on_panic=0' >> /etc/sysctl.conf
sysctl debug.debugger_on_panic=0

# 3. build the userland driver
cc -O -Wall -o fwpcictl fwpcictl.c
ls -l fwpcictl
echo PREP_OK