Initial commit.

Signed-off-by: Andreas Widen <andreas@harmonicflow.org>

6 files changed, 129 insertions, 0 deletions

diff --git a/static/blog/media/x220/01-prerequisites.jpg b/static/blog/media/x220/01-prerequisites.jpg
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diff --git a/static/blog/media/x220/02-lenovo-thinkpad-x220-internals.jpg b/static/blog/media/x220/02-lenovo-thinkpad-x220-internals.jpg
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diff --git a/static/blog/media/x220/03-ch341a-programmer-connected.jpg b/static/blog/media/x220/03-ch341a-programmer-connected.jpg
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diff --git a/static/blog/media/x220/background.jpg b/static/blog/media/x220/background.jpg
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diff --git a/static/blog/media/x220/dejavusansmono.pf2 b/static/blog/media/x220/dejavusansmono.pf2
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diff --git a/static/blog/media/x220/grub.cfg b/static/blog/media/x220/grub.cfg
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+# Harmonic Flow's GRUB Configuration --- Use ThinkPads with Coreboot Firmware.
+# Modules 'cbfs' and 'normal' are supposed to be already loaded,
+# as well as its dependencies: terminal crypto extcmd boot gettext
+
+# Prefix --- The location of the "/boot/grub" directory as an absolute file name.
+set prefix=(memdisk)/boot/grub
+
+# Load Modules --- Load selected modules which are not loaded due
+# to dependencies and which have probably not been pre-loaded.
+insmod nativedisk
+insmod luks
+insmod lvm
+insmod ahci
+insmod ohci
+insmod uhci
+insmod ehci
+insmod part_msdos
+insmod part_gpt
+insmod fat
+insmod ext2
+insmod usbms
+insmod usb_keyboard
+insmod usbserial_usbdebug
+insmod syslinuxcfg
+insmod cryptodisk
+insmod jpeg
+
+# Desktop Boards --- Let's load additional modules:
+insmod at_keyboard
+insmod pata
+
+# Set Environment
+set gfxpayload=keep
+set pager=1
+set default=0
+set timeout_style="menu"
+set timeout=5
+set color_highlight=white/green
+set color_normal=light-gray/black
+
+# Terminal Settings
+terminal_input --append at_keyboard
+terminal_output --append cbmemc
+terminal_output --append gfxterm
+
+# VESA Framebuffer Settings
+background_image (cbfsdisk)/background.jpg
+loadfont dejavusansmono
+
+# Keymap --- several options available, adapt to your needs:
+# us gb de be nl it es pt fr tr ro bg pl cz hu se dk fi 
+# us_intl us_dvorak ca_fr tr_f ch_de ch_fr sk_qwerty fr_latin9 de_nodeadkeys 
+keymap se
+
+# GRUB Functions and Menu Options --- borrowed from the Libreboot Project
+function try_user_config {
+	set root="${1}"
+	for dir in boot grub grub2 boot/grub boot/grub2; do
+		for name in '' autoboot_ libreboot_ coreboot_; do
+			if [ -f /"${dir}"/"${name}"grub.cfg ]; then
+				unset superusers
+				configfile /"${dir}"/"${name}"grub.cfg
+			fi
+		done
+	done
+}
+function search_grub {
+	for i in 0 1; do
+		# raw devices
+		try_user_config "(${1}${i})"
+		for part in 1 2 3 4 5; do
+			# MBR/GPT partitions
+			try_user_config "(${1}${i},${part})"
+		done
+	done
+}
+function try_isolinux_config {
+	set root="${1}"
+	for dir in '' /boot; do
+		if [ -f "${dir}"/isolinux/isolinux.cfg ]; then
+			syslinux_configfile -i "${dir}"/isolinux/isolinux.cfg
+		elif [ -f "${dir}"/syslinux/syslinux.cfg ]; then
+			syslinux_configfile -s "${dir}"/syslinux/syslinux.cfg
+		fi
+	done
+}
+function search_isolinux {
+	for i in 0 1; do
+		# raw devices
+		try_isolinux_config "(${1}${i})"
+		for part in 1 2 3 4 5; do
+			# MBR/GPT partitions
+			try_isolinux_config "(${1}${i},${part})"
+		done
+	done
+}
+menuentry '[g]  Search GRUB2 Configuration (AHCI)' --hotkey='g' {
+	search_grub ahci
+}
+menuentry '[o] Load OS Encrypted /boot.. (default settings)' --hotkey='o' {
+    cryptomount -a
+    set root='lvm/matrix-rootvol'
+    linux /vmlinuz root=/dev/mapper/matrix-rootvol cryptdevice=/dev/mapper/matrix-rootvol:root
+    initrd /initrd.img
+}
+menuentry '[i] Load OS Encrypted /boot.. (with iomem=relaxed) ' --hotkey='i' {
+    cryptomount -a
+    set root='lvm/matrix-rootvol'
+    linux /vmlinuz root=/dev/mapper/matrix-rootvol cryptdevice=/dev/mapper/matrix-rootvol:root iomem=relaxed
+    initrd /initrd.img
+}
+menuentry '[s]  Search GRUB2 Configuration (USB)' --hotkey='s' {
+	search_grub usb
+}
+menuentry '[u]  Search ISOLINUX Menu (USB)' --hotkey='u' {
+	search_isolinux usb
+}
+menuentry '[a]  Search ISOLINUX Menu (AHCI)' --hotkey='a' {
+	search_isolinux ahci
+}
+menuentry '[d]  Search ISOLINUX Menu (CD/DVD)' --hotkey='d' {
+	try_isolinux_config ahci1
+}
+menuentry '[p]  Poweroff' --hotkey='p' {
+	halt --no-apm
+}
+menuentry '[r]  Reboot' --hotkey='r' {
+	reboot
+}