优化 GRUB 配置，增强视频模式处理和菜单项支持

files/mnt/p1/boot/grub/grub.cfg

@@ -1,57 +1,84 @@
-set default="boot"
+
 set timeout="5"
 set timeout_style="menu"
-set pager=1
-set vesa_mode=1
-set color_normal=white/black
-set menu_color_normal=light-cyan/black
-set menu_color_highlight=black/cyan
 
 if [ -s ${prefix}/grubenv ]; then
   load_env --skip-sig
 fi
+
 if [ "${next_entry}" ]; then
   set default="${next_entry}"
   unset next_entry
   save_env next_entry
-fi
-if [ "${vesa_mode}" ]; then
-  set vesa_mode=${vesa_mode}
-fi
-
-terminal_input console
-terminal_output console
-
-if [ "${feature_all_video_module}" = "y" ]; then
-  insmod all_video
 else
-  insmod efi_gop
+   set default="boot"
-  insmod efi_uga
-  insmod vbe
-  insmod vga
-  insmod video_bochs
-  insmod video_cirrus
 fi
 
-if loadfont unicode; then
+if [ "${linux_gfx_mode}" ]; then
-  set gfxmode=auto
+  save_env linux_gfx_mode
-  terminal_output gfxterm
+else
+  set linux_gfx_mode=keep
+  save_env linux_gfx_mode
 fi
 
+if [ x"${feature_menuentry_id}" = xy ]; then
+  menuentry_id_option="--id"
+else
+  menuentry_id_option=""
+fi
+
+export menuentry_id_option
+
+function load_video {
+  if [ x"${feature_all_video_module}" = xy ]; then
+    insmod all_video
+  else
+    insmod efi_gop
+    insmod efi_uga
+    insmod ieee1275_fb
+    insmod vbe
+    insmod vga
+    insmod video_bochs
+    insmod video_cirrus
+  fi
+}
+
+if [ x"${feature_default_font_path}" = xy ]; then
+  font=unicode
+else
+  font=${prefix}/fonts/unicode.pf2
+fi
+
+if loadfont ${font}; then
+  set gfxmode=auto
+  load_video
+  insmod gfxterm
+  set locale_dir=$prefix/locale
+  set lang=en_US
+  insmod gettext
+fi
+
+terminal_output gfxterm
+
 if serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1; then
   terminal_input --append serial
   terminal_output --append serial
 fi
 
+set color_normal=white/black
+set menu_color_normal=light-cyan/black
+set menu_color_highlight=black/cyan
+
 insmod png
 background_image ${prefix}/logo.png
 
-function set_gfxpayload {
+function gfxmode {
-  if [ ${vesa_mode} -eq 1 ]; then
+	set gfxpayload="${linux_gfx_mode}"
-    set gfxpayload=keep
+	if [ "${linux_gfx_mode}" = "keep" ]; then
-  else
+		set vt_handoff=vt.handoff=7
-    set gfxpayload=text
+	else
-  fi
+		set vt_handoff=
+	fi
 }
 
 set RR_CMDLINE="earlyprintk earlycon=uart8250,io,0x3f8,115200n8 console=ttyS0,115200n8 root=/dev/ram rootwait intremap=off amd_iommu_intr=legacy net.ifnames=0 panic=5 split_lock_detect=off pcie_aspm=off intel_pstate=disable amd_pstate=disable nox2apic nomodeset"
@@ -60,9 +87,8 @@ search --set=root --label "RR3"
 if [ -s /zImage-dsm -a -s /initrd-dsm ]; then
   if [ "${default}" = "direct" ]; then
     set timeout="1"
-    set pager=0
+    menuentry 'Boot DSM kernel directly' ${menuentry_id_option} direct {
-    menuentry 'Boot DSM kernel directly' --id direct {
+      gfxmode
-      set_gfxpayload
       echo "RRVersion: ${rr_version}"
       echo "${rr_booting}"
       echo -n "Boot Time: "; date
@@ -86,8 +112,8 @@ if [ -s /zImage-dsm -a -s /initrd-dsm ]; then
       echo "Access http://find.synology.com/ to connect the DSM via web."
     }
   fi
-  menuentry 'Boot DSM' --id boot {
+  menuentry 'Boot DSM' ${menuentry_id_option} boot {
-    set_gfxpayload
+    gfxmode
     echo "Loading kernel..."
     linux /bzImage-rr ${RR_CMDLINE} ${rr_cmdline}
     echo "Loading initramfs..."
@@ -98,8 +124,8 @@ if [ -s /zImage-dsm -a -s /initrd-dsm ]; then
     fi
     echo "Booting..."
   }
-  menuentry 'Boot Recovery' --id recovery {
+  menuentry 'Boot Recovery' ${menuentry_id_option} recovery {
-    set_gfxpayload
+    gfxmode
     echo "Loading kernel..."
     linux /bzImage-rr ${RR_CMDLINE} ${rr_cmdline} recovery
     echo "Loading initramfs..."
@@ -110,8 +136,8 @@ if [ -s /zImage-dsm -a -s /initrd-dsm ]; then
     fi
     echo "Booting..."
   }
-  menuentry 'Force re-install DSM' --id junior {
+  menuentry 'Force re-install DSM' ${menuentry_id_option} junior {
-    set_gfxpayload
+    gfxmode
     echo "Loading kernel..."
     linux /bzImage-rr ${RR_CMDLINE} ${rr_cmdline} force_junior
     echo "Loading initramfs..."
@@ -124,8 +150,8 @@ if [ -s /zImage-dsm -a -s /initrd-dsm ]; then
   }
 fi
 
-menuentry 'Configure loader' --id config {
+menuentry 'Configure loader' ${menuentry_id_option} config {
-  set_gfxpayload
+  gfxmode
   echo "Loading kernel..."
   linux /bzImage-rr ${RR_CMDLINE} ${rr_cmdline} IWANTTOCHANGETHECONFIG
   echo "Loading initramfs..."
@@ -137,26 +163,33 @@ menuentry 'Configure loader' --id config {
   echo "Booting..."
 }
 
-menuentry 'Enter BIOS Setup' --id bios  {
+if [ "${grub_platform}" = "efi" ]; then
-  fwsetup
+  insmod bli
-}
+  fwsetup --is-supported
+  if [ "$?" = 0 ]; then
+    menuentry 'UEFI Firmware Settings' ${menuentry_id_option} uefi {
+      fwsetup
+    }
+  fi
+fi
 
-menuentry 'Start Memtest86+' --id memtest {
+if [ -e ${prefix}/memtest ]; then
-  echo "Loading memtest86+..."
+  menuentry 'Start Memtest86+' ${menuentry_id_option} memtest {
-  linux ${prefix}/memtest 
+    echo "Loading memtest86+..."
-}
+    linux ${prefix}/memtest 
+  }
+fi
 
-if [ ${vesa_mode} = 1 ]; then
+if [ "${linux_gfx_mode}" = "keep" ]; then
-  menuentry 'Change vesa to text video mode' --id videomode {
+  menuentry 'Change vesa to text video mode' ${menuentry_id_option} videomode {
-    set vesa_mode=0
+    set linux_gfx_mode=text
-    save_env vesa_mode
+    save_env linux_gfx_mode
     configfile ${prefix}/grub.cfg
   }
 else
-  menuentry 'Change text to vesa video mode' --id videomode {
+  menuentry 'Change text to vesa video mode' ${menuentry_id_option} videomode {
-    set vesa_mode=1
+    set linux_gfx_mode=keep
-    save_env vesa_mode
+    save_env linux_gfx_mode
-    reboot
     configfile ${prefix}/grub.cfg
   }
 fi