update scripts

coreboot-t440p/steps/attach_ch341a.sh

@@ -21,7 +21,7 @@ step_attach_ch341a() {
   echo ""
 
   # Show reference image (cached locally, rendered inline if possible)
-  show_image "spi_flasher_assembly.png" "Reference: CH341A + SOIC-8 clip assembly"
+  show_image "spi_flasher_assembly.webp" "Reference: CH341A + SOIC-8 clip assembly"
   echo ""
 
   prompt_continue

coreboot-t440p/steps/extract_bios.sh

@@ -46,15 +46,13 @@ step_extract_bios() {
   info "Each chip is read twice so we can diff the results and catch flaky reads."
   echo ""
 
-  # Show reference image for chip locations
-  show_image "eeprom_chips_location.png" "Reference: EEPROM chip locations on T440p mainboard"
-  echo ""
-
   cd "$WORK_DIR" || return 1
 
   # --- 4MB chip (do first: smaller = faster iteration on setup) ---
   echo ""
-  info "Clip the CH341A onto the ${BOLD}4MB (top)${NC} chip."
+  show_image "eeprom_chip_4mb.webp" "Reference: 4MB (top) chip location on T440p"
+  echo ""
+  info "Clip the CH341A onto the ${BOLD}4MB (top)${NC} chip shown above."
   info "Align the red ribbon wire with the dot/notch on the chip (pin 1)."
   prompt_continue
 
@@ -64,7 +62,9 @@ step_extract_bios() {
 
   # --- 8MB chip ---
   echo ""
-  info "Now move the clip to the ${BOLD}8MB (bottom)${NC} chip."
+  show_image "eeprom_chip_8mb.webp" "Reference: 8MB (bottom) chip location on T440p"
+  echo ""
+  info "Now move the clip to the ${BOLD}8MB (bottom)${NC} chip shown above."
   info "Re-check pin 1 alignment before pressing down."
   prompt_continue
 

coreboot-t440p/system.sh

@@ -7,24 +7,24 @@ install_dependencies() {
   case "$DISTRO" in
     arch)
       info "Installing packages via pacman..."
-      run_cmd "sudo pacman -S --needed base-devel curl git gcc-ada ncurses zlib nasm sharutils unzip flashrom usbutils chafa"
+      run_cmd "sudo pacman -S --needed base-devel curl git gcc-ada ncurses zlib nasm sharutils unzip flashrom usbutils chafa libwebp"
       ;;
     debian)
       info "Installing packages via apt..."
       run_cmd "sudo apt update"
-      run_cmd "sudo apt install -y build-essential curl git gnat libncurses-dev zlib1g-dev nasm sharutils unzip flashrom usbutils chafa"
+      run_cmd "sudo apt install -y build-essential curl git gnat libncurses-dev zlib1g-dev nasm sharutils unzip flashrom usbutils chafa webp"
       ;;
     fedora)
       info "Installing packages via dnf..."
-      run_cmd "sudo dnf install -y @development-tools curl git gcc-gnat ncurses-devel zlib-devel nasm sharutils unzip flashrom usbutils chafa"
+      run_cmd "sudo dnf install -y @development-tools curl git gcc-gnat ncurses-devel zlib-devel nasm sharutils unzip flashrom usbutils chafa libwebp-tools"
       ;;
     gentoo)
       info "Installing packages via emerge..."
-      run_cmd "sudo emerge --ask sys-devel/base-devel net-misc/curl dev-vcs/git sys-devel/gcc ncurses dev-libs/zlib dev-lang/nasm app-arch/sharutils app-arch/unzip sys-apps/flashrom sys-apps/usbutils media-gfx/chafa"
+      run_cmd "sudo emerge --ask sys-devel/base-devel net-misc/curl dev-vcs/git sys-devel/gcc ncurses dev-libs/zlib dev-lang/nasm app-arch/sharutils app-arch/unzip sys-apps/flashrom sys-apps/usbutils media-gfx/chafa media-libs/libwebp"
       ;;
     nix)
       info "Installing packages via nix-env..."
-      run_cmd "nix-env -i stdenv curl git gcc gnat ncurses zlib nasm sharutils unzip flashrom usbutils chafa"
+      run_cmd "nix-env -i stdenv curl git gcc gnat ncurses zlib nasm sharutils unzip flashrom usbutils chafa libwebp"
       ;;
     *)
       warn "Could not detect your distribution."

coreboot-t440p/utils.sh

@@ -113,9 +113,36 @@ _render_image() {
   return 1
 }
 
+# Transcode a webp file to png next to it. Echoes the png path on success.
+_webp_to_png() {
+  _webp="$1"
+  _png="${_webp%.webp}.png"
+
+  [ -f "$_png" ] && { printf '%s' "$_png"; return 0; }
+
+  if check_command dwebp; then
+    dwebp "$_webp" -o "$_png" >/dev/null 2>&1 && {
+      printf '%s' "$_png"; return 0;
+    }
+  fi
+  if check_command magick; then
+    magick "$_webp" "$_png" >/dev/null 2>&1 && {
+      printf '%s' "$_png"; return 0;
+    }
+  fi
+  if check_command convert; then
+    convert "$_webp" "$_png" >/dev/null 2>&1 && {
+      printf '%s' "$_png"; return 0;
+    }
+  fi
+
+  return 1
+}
+
 # show_image <filename> [caption]
 #   Downloads $IMAGE_BASE_URL/<filename> into $WORK_DIR/.images/,
 #   renders inline if possible, otherwise prints the URL.
+#   If the image is webp and the renderer can't decode it, transcodes to png.
 show_image() {
   _name="$1"
   _caption="$2"
@@ -134,15 +161,29 @@ show_image() {
     fi
   fi
 
+  # First attempt: render the file as-is.
   if _render_image "$_local"; then
     [ -n "$_caption" ] && printf "  ${DIM}%s${NC}\n" "$_caption"
     return 0
   fi
 
-  # No renderer available
+  # Fallback: if webp, try to transcode to png and re-render.
+  case "$_name" in
+    *.webp)
+      _png=$(_webp_to_png "$_local")
+      if [ -n "$_png" ] && _render_image "$_png"; then
+        [ -n "$_caption" ] && printf "  ${DIM}%s${NC}\n" "$_caption"
+        return 0
+      fi
+      ;;
+  esac
+
+  # No renderer / transcode available — degrade to URL.
   info "Reference image: $_url"
   if ! check_command chafa; then
-    info "(Install 'chafa' for inline image previews: sudo pacman -S chafa)"
+    info "(Install 'chafa' for inline image previews)"
+  elif case "$_name" in *.webp) true ;; *) false ;; esac; then
+    info "(Install 'libwebp' (dwebp) or 'imagemagick' to preview webp inline)"
   fi
   [ -n "$_caption" ] && info "$_caption"
 }