1 files changed, 23 insertions, 5 deletions

diff --git a/scripts/test-fault.sh b/scripts/test-fault.sh
index 49ba791..59f741f 100755
--- a/scripts/test-fault.sh
+++ b/scripts/test-fault.sh
@@ -52,12 +52,18 @@ echo "==> 2/5 deploy to ESP"
 mkdir -p "$ESP_DIR/EFI/BOOT"
 cp target/x86_64-unknown-uefi/debug/rsdos.efi "$ESP_DIR/EFI/BOOT/BOOTX64.EFI"
 
-echo "==> 3/5 boot QEMU (headless)"
+echo "==> 3/6 boot QEMU (headless, + dedicated CRASHLOG stick)"
 kill "$(cat "$QPID" 2>/dev/null)" 2>/dev/null || true
 sleep 1
 rm -f "$SOCK" "$LOG"
+# A second FAT32 stick labeled CRASHLOG: crash reports must land here
+# (label-selected by the kernel), not on the boot device.
+CRASH_IMG=/tmp/rsdos-crash.img
+"$SCRIPT_DIR/mkdisk.sh" --fresh --label CRASHLOG --no-seed "$CRASH_IMG" >/dev/null
 "$QEMU" -bios "$OVMF" \
         -drive file=fat:rw:"$ESP_DIR",format=raw \
+        -drive file="$CRASH_IMG",format=raw,if=none,id=crash \
+        -device ide-hd,drive=crash,bus=ide.2 \
         -serial file:"$LOG" \
         -monitor unix:"$SOCK",server,nowait \
         -m 256M -machine q35 -cpu qemu64 -no-reboot -display none \
@@ -66,11 +72,12 @@ echo $! >"$QPID"
 
 wait_log "$LOG" "boot: entering shell" 90 || fail "kernel never reached the shell"
 
-echo "==> 4/5 boot diagnostics present"
+echo "==> 4/6 boot diagnostics present"
 grep -aq "gop: fb base=" "$LOG" || fail "fb geometry diagnostic missing"
 grep -aq "gop: mode .* selected" "$LOG" || fail "mode-selection diagnostic missing"
+grep -aq "CRASHLOG" "$LOG" || fail "CRASHLOG stick not mounted"
 
-echo "==> 5/5 inject a page fault (fault command)"
+echo "==> 5/6 inject a page fault (fault command)"
 python3 "$SCRIPT_DIR/sendkeys.py" --sock "$SOCK" \
         "clear" \
         "fault"
@@ -83,8 +90,19 @@ grep -aq "cr2=0x400000000000" "$LOG" || fail "CR2 not reported (faulting address
 grep -aq "task=0 \"shell\"" "$LOG" || fail "faulting task not identified"
 grep -aq "!!! halting" "$LOG" || fail "no halt message"
 
+echo "==> 6/6 crash.log persisted on the CRASHLOG stick"
+grep -aq "crashlog: vol .* (CRASHLOG)" "$LOG" || fail "crashlog did not target the CRASHLOG stick"
+grep -aq "crashlog: wrote" "$LOG" || fail "crashlog write did not complete"
+mdir -i "$CRASH_IMG" "::" 2>/dev/null | grep -aqi "crash" \
+        || fail "crash.log missing on the CRASHLOG stick"
+# The boot ESP must NOT receive the crash log.
+if [ -f "$ESP_DIR/crash.log" ]; then
+        fail "crash.log landed on the boot ESP instead of the CRASHLOG stick"
+fi
+
 # The screen dump itself is exercised in-kernel (dump_lines); the serial
 # path sharing the same format line is verified above.
 echo ""
-echo "PASS — fault dump works (vec, err, rip, cr2, task → screen + serial)"
-echo "  every CPU exception now halts with a diagnosable dump, not a freeze"
+echo "PASS — fault dump + crash.log on the CRASHLOG stick"
+echo "  every CPU exception halts with a diagnosable dump; the report"
+echo "  survives reboot on the dedicated CRASHLOG volume"