87 lines
3.7 KiB
Bash
Executable File
87 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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# Build and install the patched bwn driver (if_bwn.ko), the patched PCIe
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# bridge (bhndb_pci.ko) and the Broadcom v4 firmware (bwn_v4_n.ko) on a
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# clean FreeBSD 15.1 system.
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#
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# Usage: sudo ./build.sh [SRC_ROOT]
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# Default SRC_ROOT=/usr/src
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#
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# What it does:
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# 1. Builds if_bwn.ko (sys/modules/bwn) -> /boot/modules/if_bwn.ko
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# 2. Builds bhndb_pci.ko(sys/modules/bhnd/bhndb_pci) -> /boot/kernel/bhndb_pci.ko
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# 3. Builds bwn_v4_n.ko (src/firmware) -> /boot/modules/bwn_v4_n.ko
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# 4. Adds "bwn_v4_n_load=YES" to /boot/loader.conf (Fix 5) if missing.
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# 5. Regenerates /boot/kernel/linker.hints (for bhndb_pci.ko) and
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# /boot/modules/linker.hints (for if_bwn.ko + bwn_v4_n.ko) with kldxref
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# so the loader finds the new modules without manual intervention.
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#
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# All changes take effect on the NEXT reboot (modules are only loaded at
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# boot). The running kernel is NOT touched, so an active SSH session (e.g.
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# over the fallback rtwn0/wlan0 interface) is never disrupted by this script.
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#
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# After reboot, bwn0 attaches on the BCM43224 and uses legacy INTx (the
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# NO_MSI quirk), so TX interrupts are delivered and the "device timeout" /
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# detach-panic / heap-corruption issues are resolved.
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set -e
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# Re-exec as root if we are not already (build + install + kldxref need it).
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if [ "$(id -u)" -ne 0 ]; then
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echo "build.sh needs root (install + kldxref); re-execing via sudo..."
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exec sudo "$0" "$@"
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fi
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SRC="${1:-/usr/src}"
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HERE="$(cd "$(dirname "$0")" && pwd)"
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if [ ! -d "$SRC/sys" ]; then
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echo "ERROR: $SRC/sys not found. Point SRC_ROOT at a FreeBSD 15.1 src tree." >&2
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exit 1
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fi
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echo "==> [1/3] Building if_bwn.ko"
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make -C "$SRC/sys/modules/bwn" SRCTOP="$SRC" SYSDIR="$SRC/sys" clean
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make -C "$SRC/sys/modules/bwn" SRCTOP="$SRC" SYSDIR="$SRC/sys"
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install -m 444 -o root -g wheel "$SRC/sys/modules/bwn/if_bwn.ko" /boot/modules/if_bwn.ko
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sync
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echo " -> /boot/modules/if_bwn.ko"
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echo "==> [2/3] Building bhndb_pci.ko (NO_MSI quirk)"
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make -C "$SRC/sys/modules/bhnd/bhndb_pci" SRCTOP="$SRC" SYSDIR="$SRC/sys" clean
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make -C "$SRC/sys/modules/bhnd/bhndb_pci" SRCTOP="$SRC" SYSDIR="$SRC/sys"
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install -m 444 -o root -g wheel "$SRC/sys/modules/bhnd/bhndb_pci/bhndb_pci.ko" /boot/kernel/bhndb_pci.ko
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sync
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echo " -> /boot/kernel/bhndb_pci.ko"
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echo "==> [3/3] Building + installing bwn_v4_n.ko (firmware)"
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make -C "$HERE/src/firmware" SRCTOP="$SRC" SYSDIR="$SRC/sys" clean
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make -C "$HERE/src/firmware" SRCTOP="$SRC" SYSDIR="$SRC/sys"
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install -m 444 -o root -g wheel "$HERE/src/firmware/bwn_v4_n.ko" /boot/modules/bwn_v4_n.ko
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sync
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echo " -> /boot/modules/bwn_v4_n.ko"
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echo "==> Adding firmware load to /boot/loader.conf (Fix 5)"
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if ! grep -q 'bwn_v4_n_load="YES"' /boot/loader.conf 2>/dev/null; then
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cp /boot/loader.conf "$HERE/rc.conf.backups/loader.conf.before_build_$(date +%Y%m%d%H%M%S)"
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printf '\n# bwn driver: load Broadcom v4 firmware at loader time (Fix 5)\nbwn_v4_n_load="YES"\n' >> /boot/loader.conf
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echo " added bwn_v4_n_load=YES"
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else
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echo " already present, skipped"
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fi
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echo "==> Regenerating linker.hints (no manual kldxref needed)"
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# The kernel hints file indexes /boot/kernel (where bhndb_pci.ko lives); the
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# modules hints file indexes /boot/modules (if_bwn.ko + bwn_v4_n.ko). If either
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# is stale/empty the loader prints "linker.hints file truncated" and may fail
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# to auto-load modules, so rebuild both from the modules currently present.
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kldxref /boot/kernel
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kldxref /boot/modules
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echo " /boot/kernel/linker.hints: $(wc -c < /boot/kernel/linker.hints) bytes"
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echo " /boot/modules/linker.hints: $(wc -c < /boot/modules/linker.hints) bytes"
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echo
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echo "==> All modules built, installed and indexed. REBOOT to activate."
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echo " After reboot, create the interface with:"
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echo " ifconfig wlan create wlandev bwn0 [wap]"
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exit 0
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