ohhhhhhhhhhh (exclude linux-extra-rootfs.img build artifact)

CODE/linux/rebuild_bzimage.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# Incremental rebuild of linux-bzImage after UTSM driver patches.
+# Linux sources live on the WSL native disk; never edit them via /mnt/d.
+set -euo pipefail
+
+LINUX_SRC="${LINUX_SRC:-/home/deshab/linux-6.6}"
+REPO="${REPO:-/mnt/d/Code/DEAICUP/Deshab}"
+PATCH="$REPO/CODE/linux/patches/utsm_hcall.c"
+OUT="$REPO/SYSTEM/boot/linux-bzImage"
+
+if [[ ! -f "$LINUX_SRC/Makefile" ]]; then
+    echo "[build] missing $LINUX_SRC" >&2
+    exit 1
+fi
+if [[ ! -f "$PATCH" ]]; then
+    echo "[build] missing $PATCH" >&2
+    exit 1
+fi
+
+cp "$PATCH" "$LINUX_SRC/drivers/utsm/utsm_hcall.c"
+if id deshab >/dev/null 2>&1; then
+    chown deshab:deshab "$LINUX_SRC/drivers/utsm/utsm_hcall.c" || true
+fi
+
+echo "[build] installed driver from $PATCH"
+grep -n 'memcpy(umsg.data' "$LINUX_SRC/drivers/utsm/utsm_hcall.c"
+grep -n 'memcpy(msg.data' "$LINUX_SRC/drivers/utsm/utsm_hcall.c"
+
+cd "$LINUX_SRC"
+echo "[build] incremental bzImage start $(date -Iseconds)"
+make -j"$(nproc)" KCFLAGS="-std=gnu17" bzImage
+cp -f arch/x86/boot/bzImage "$OUT"
+ls -la arch/x86/boot/bzImage "$OUT"
+echo "[build] bzImage done $(date -Iseconds)"