Add bootloader choice for safe vs full NVIDIA boot

iso/builder/config/bootloaders/grub-pc/grub.cfg

@@ -9,13 +9,18 @@ echo "  ███████╗██║  ██║███████║
 echo "  ╚══════╝╚═╝  ╚═╝╚══════╝   ╚═╝         ╚═════╝ ╚══════╝╚══════╝"
 echo ""
 
-menuentry "EASY-BEE" {
-    linux   @KERNEL_LIVE@ @APPEND_LIVE@
+menuentry "EASY-BEE (safe NVIDIA boot, default)" {
+    linux   @KERNEL_LIVE@ @APPEND_LIVE@ bee.nvidia.mode=safe
+    initrd  @INITRD_LIVE@
+}
+
+menuentry "EASY-BEE (full NVIDIA / GSP)" {
+    linux   @KERNEL_LIVE@ @APPEND_LIVE@ bee.nvidia.mode=full
     initrd  @INITRD_LIVE@
 }
 
 menuentry "EASY-BEE (fail-safe)" {
-    linux   @KERNEL_LIVE@ @APPEND_LIVE@ memtest noapic noapm nodma nomce nolapic nosmp vga=normal
+    linux   @KERNEL_LIVE@ @APPEND_LIVE@ bee.nvidia.mode=safe memtest noapic noapm nodma nomce nolapic nosmp vga=normal
     initrd  @INITRD_LIVE@
 }
 

iso/builder/config/bootloaders/isolinux/live.cfg.in

@@ -0,0 +1,18 @@
+label live-@FLAVOUR@-safe
+    menu label ^EASY-BEE (safe NVIDIA boot, default)
+    menu default
+    linux @LINUX@
+    initrd @INITRD@
+    append @APPEND_LIVE@ bee.nvidia.mode=safe
+
+label live-@FLAVOUR@-full
+    menu label ^EASY-BEE (full NVIDIA / GSP)
+    linux @LINUX@
+    initrd @INITRD@
+    append @APPEND_LIVE@ bee.nvidia.mode=full
+
+label live-@FLAVOUR@-failsafe
+    menu label EASY-BEE (^fail-safe)
+    linux @LINUX@
+    initrd @INITRD@
+    append @APPEND_LIVE@ bee.nvidia.mode=safe memtest noapic noapm nodma nomce nolapic nosmp vga=normal

iso/builder/smoketest.sh

@@ -26,6 +26,15 @@ echo ""
 
 KVER=$(uname -r)
 info "kernel: $KVER"
+NVIDIA_BOOT_MODE="safe"
+for arg in $(cat /proc/cmdline 2>/dev/null); do
+    case "$arg" in
+        bee.nvidia.mode=*)
+            NVIDIA_BOOT_MODE="${arg#*=}"
+            ;;
+    esac
+done
+info "nvidia boot mode: ${NVIDIA_BOOT_MODE}"
 
 # --- PATH & binaries ---
 echo "-- PATH & binaries --"
@@ -62,8 +71,10 @@ fi
 for mod in nvidia_modeset nvidia_uvm; do
     if /sbin/lsmod 2>/dev/null | grep -q "^$mod "; then
         ok "module loaded: $mod"
+    elif [ "${NVIDIA_BOOT_MODE}" = "full" ]; then
+        fail "module NOT loaded in full mode: $mod"
     else
-        warn "module not loaded at boot: $mod"
+        warn "module not loaded in safe mode: $mod"
     fi
 done
 
@@ -79,6 +90,8 @@ done
 
 if [ -e /dev/nvidia-uvm ]; then
     ok "/dev/nvidia-uvm exists"
+elif [ "${NVIDIA_BOOT_MODE}" = "full" ]; then
+    fail "/dev/nvidia-uvm missing in full mode"
 else
     warn "/dev/nvidia-uvm missing — CUDA stress path may be unavailable until loaded on demand"
 fi