switch to grub2 eltorito from ancient syslinux v4,

update grub2,
predd 'd' in grub to show debug menu.

bootfiles/boot/grub/grub.cfg

@@ -1,3 +1,35 @@
+function toggle_entries {
+  if [ "${show_entries}" = "true" ]; then
+    set show_entries=false
+  else
+    set show_entries=true
+  fi
+}
+
+if [ x$feature_default_font_path = xy ]; then
+   font=unicode
+else
+   font=$prefix/font.pf2
+fi
+
+if loadfont $font; then
+  set gfxmode=800x600
+  set gfxpayload=keep
+  insmod efi_gop
+  insmod efi_uga
+  insmod video_bochs
+  insmod video_cirrus
+  insmod gfxterm
+#  insmod png
+  terminal_output gfxterm
+fi
+
+set show_entries=false
+set timeout=30
+set menu_color_normal=white/black
+set menu_color_highlight=black/light-gray
+hotkey d toggle_entries
+
 menuentry "Run __DISTRO__ with persistence" {
 	linux /vmlinuz perch
 	initrd /initrd.img
@@ -6,6 +38,7 @@ menuentry "Run __DISTRO__ from RAM without persistence" {
 	linux /vmlinuz toram
 	initrd /initrd.img
 }
+if [ "${show_entries}" = "true" ]; then
 menuentry "Run __DISTRO__ with debug" {
 	linux /vmlinuz debug
 	initrd /initrd.img
@@ -14,3 +47,17 @@ menuentry "Run __DISTRO__ with debug and first stage shell" {
 	linux /vmlinuz debug shell
 	initrd /initrd.img
 }
+fi
+grub_platform
+if [ "$grub_platform" = "efi" ]; then
+menuentry 'Boot from next volume' {
+	exit 1
+}
+menuentry 'UEFI Firmware Settings' {
+	fwsetup
+}
+else
+menuentry 'Test memory' {
+	linux16 /boot/memtest86+.bin
+}
+fi

bootfiles/boot/grub/i386-efi/grub.cfg

@@ -0,0 +1 @@
+source /boot/grub/grub.cfg

bootfiles/boot/grub/i386-pc/command.lst

@@ -0,0 +1,205 @@
+*acpi: acpi
+*all_functional_test: functional_test
+*background_image: gfxterm_background
+*cat: cat
+*cpuid: cpuid
+*crc: hashsum
+*cryptomount: cryptodisk
+*drivemap: drivemap
+*echo: echo
+*extract_syslinux_entries_configfile: syslinuxcfg
+*extract_syslinux_entries_source: syslinuxcfg
+*file: file
+*functional_test: functional_test
+*gettext: gettext
+*halt: halt
+*hashsum: hashsum
+*hdparm: hdparm
+*hello: hello
+*help: help
+*hexdump: hexdump
+*inb: iorw
+*inl: iorw
+*inw: iorw
+*keystatus: keystatus
+*kfreebsd: bsd
+*knetbsd: bsd
+*kopenbsd: bsd
+*list_env: loadenv
+*load_env: loadenv
+*loopback: loopback
+*ls: ls
+*lsacpi: lsacpi
+*lspci: lspci
+*md5sum: hashsum
+*menuentry: normal
+*pcidump: pcidump
+*plan9: plan9
+*probe: probe
+*rdmsr: rdmsr
+*read_byte: memrw
+*read_dword: memrw
+*read_word: memrw
+*regexp: regexp
+*save_env: loadenv
+*search: search
+*sendkey: sendkey
+*serial: serial
+*setpci: setpci
+*sha1sum: hashsum
+*sha256sum: hashsum
+*sha512sum: hashsum
+*sleep: sleep
+*smbios: smbios
+*submenu: normal
+*syslinux_configfile: syslinuxcfg
+*syslinux_source: syslinuxcfg
+*terminfo: terminfo
+*test_blockarg: test_blockarg
+*testspeed: testspeed
+*tr: tr
+*trust: pgp
+*verify_detached: pgp
+*xnu_splash: xnu
+*zfskey: zfscrypt
+.: configfile
+915resolution: 915resolution
+[: test
+authenticate: normal
+background_color: gfxterm_background
+backtrace: backtrace
+badram: mmap
+blocklist: blocklist
+boot: boot
+break: normal
+cat: minicmd
+cbmemc: cbmemc
+chainloader: chain
+clear: normal
+cmosclean: cmostest
+cmosdump: cmosdump
+cmosset: cmostest
+cmostest: cmostest
+cmp: cmp
+configfile: configfile
+continue: normal
+coreboot_boottime: cbtime
+cutmem: mmap
+date: date
+distrust: pgp
+dump: minicmd
+efiemu_loadcore: efiemu
+efiemu_prepare: efiemu
+efiemu_unload: efiemu
+eval: eval
+exit: minicmd
+export: normal
+extract_entries_configfile: configfile
+extract_entries_source: configfile
+extract_legacy_entries_configfile: legacycfg
+extract_legacy_entries_source: legacycfg
+false: true
+freedos: freedos
+gdbstub: gdb
+gdbstub_break: gdb
+gdbstub_stop: gdb
+gptsync: gptsync
+help: minicmd
+hexdump_random: random
+hwmatch: hwmatch
+initrd16: linux16
+initrd: linux
+keymap: keylayouts
+kfreebsd_loadenv: bsd
+kfreebsd_module: bsd
+kfreebsd_module_elf: bsd
+knetbsd_module: bsd
+knetbsd_module_elf: bsd
+kopenbsd_ramdisk: bsd
+legacy_check_password: legacycfg
+legacy_configfile: legacycfg
+legacy_initrd: legacycfg
+legacy_initrd_nounzip: legacycfg
+legacy_kernel: legacycfg
+legacy_password: legacycfg
+legacy_source: legacycfg
+linux16: linux16
+linux: linux
+list_trusted: pgp
+loadfont: font
+lsapm: lsapm
+lscoreboot: cbls
+lsfonts: font
+lsmmap: lsmmap
+lsmod: minicmd
+macppcbless: macbless
+mactelbless: macbless
+module2: multiboot2
+module: multiboot
+multiboot2: multiboot2
+multiboot: multiboot
+nativedisk: nativedisk
+net_add_addr: net
+net_add_dns: net
+net_add_route: net
+net_bootp6: net
+net_bootp: net
+net_del_addr: net
+net_del_dns: net
+net_del_route: net
+net_dhcp: net
+net_get_dhcp_option: net
+net_ipv6_autoconf: net
+net_ls_addr: net
+net_ls_cards: net
+net_ls_dns: net
+net_ls_routes: net
+net_nslookup: net
+normal: normal
+normal_exit: normal
+ntldr: ntldr
+outb: iorw
+outl: iorw
+outw: iorw
+parttool: parttool
+password: password
+password_pbkdf2: password_pbkdf2
+play: play
+pxechainloader: pxechain
+read: read
+reboot: reboot
+return: normal
+rmmod: minicmd
+search.file: search_fs_file
+search.fs_label: search_label
+search.fs_uuid: search_fs_uuid
+setparams: normal
+shift: normal
+source: configfile
+terminal_input: terminal
+terminal_output: terminal
+test: test
+testload: testload
+time: time
+true: true
+truecrypt: truecrypt
+usb: usbtest
+vbeinfo: videoinfo
+vbetest: videotest
+videoinfo: videoinfo
+videotest: videotest
+write_byte: memrw
+write_dword: memrw
+write_word: memrw
+wrmsr: wrmsr
+xnu_devprop_load: xnu
+xnu_kernel64: xnu
+xnu_kernel: xnu
+xnu_kext: xnu
+xnu_kextdir: xnu
+xnu_mkext: xnu
+xnu_ramdisk: xnu
+xnu_resume: xnu
+xnu_uuid: xnu_uuid
+zfs-bootfs: zfsinfo
+zfsinfo: zfsinfo

bootfiles/boot/grub/i386-pc/crypto.lst

@@ -0,0 +1,45 @@
+RIJNDAEL: gcry_rijndael
+RIJNDAEL192: gcry_rijndael
+RIJNDAEL256: gcry_rijndael
+AES128: gcry_rijndael
+AES-128: gcry_rijndael
+AES-192: gcry_rijndael
+AES-256: gcry_rijndael
+ADLER32: adler32
+CRC64: crc64
+ARCFOUR: gcry_arcfour
+BLOWFISH: gcry_blowfish
+CAMELLIA128: gcry_camellia
+CAMELLIA192: gcry_camellia
+CAMELLIA256: gcry_camellia
+CAST5: gcry_cast5
+CRC32: gcry_crc
+CRC32RFC1510: gcry_crc
+CRC24RFC2440: gcry_crc
+DES: gcry_des
+3DES: gcry_des
+DSA: gcry_dsa
+IDEA: gcry_idea
+MD4: gcry_md4
+MD5: gcry_md5
+RFC2268_40: gcry_rfc2268
+AES: gcry_rijndael
+AES192: gcry_rijndael
+AES256: gcry_rijndael
+RIPEMD160: gcry_rmd160
+RSA: gcry_rsa
+SEED: gcry_seed
+SERPENT128: gcry_serpent
+SERPENT192: gcry_serpent
+SERPENT256: gcry_serpent
+SHA1: gcry_sha1
+SHA224: gcry_sha256
+SHA256: gcry_sha256
+SHA512: gcry_sha512
+SHA384: gcry_sha512
+TIGER192: gcry_tiger
+TIGER: gcry_tiger
+TIGER2: gcry_tiger
+TWOFISH: gcry_twofish
+TWOFISH128: gcry_twofish
+WHIRLPOOL: gcry_whirlpool

bootfiles/boot/grub/i386-pc/fs.lst

@@ -0,0 +1,37 @@
+affs
+afs
+bfs
+btrfs
+cbfs
+cpio
+cpio_be
+exfat
+ext2
+f2fs
+fat
+hfs
+hfsplus
+iso9660
+jfs
+minix
+minix2
+minix2_be
+minix3
+minix3_be
+minix_be
+newc
+nilfs2
+ntfs
+odc
+procfs
+reiserfs
+romfs
+sfs
+squash4
+tar
+udf
+ufs1
+ufs1_be
+ufs2
+xfs
+zfs