Debian 'arm'

• Initial ARM Linux work by Russel King for the RiscPC
• Scott Bamborough and co for the rebel Netwinder made a lot of stuff work
• Jim Pick did the initial Debian port
• Lots of 'unsigned char' fixing and unaligned access issues to work through
• There was a lot of new board support and then the switch to EABI

ARM and StrongARM

• Netwinder
• RiscPC
• Shark
• Lart
• Thecus N2100

Debian 'armel'

• Code sourcery 1st cross-tools q3 2005 GCC v3.4.4
• 2005: Early Linux adopters (montavista, nokia)
• Debian port started q1 2006 - all new
• ADS/Lennert Buytenhek working port Jan 2007 (v4t build)
• DD-signed (Riku Voipio) buildd announced April 2007 (v4t build)
• Debian ARM EABI port wiki page

ARM EABI

• Marvell Orion
• Marvell Kirkwood
• Intel IXP4xx
• Intel IOP3xx
• Versatile

Emdebian 'cross-toolchain'

• pre-lenny cross gcc-2.95
• Emdebian cross toolchains:
• arm, armel, mips, mipsel, powerpc, sparc, s390, m68k, hppa, alpha, ia64, i386 and amd64
• 2004 Nikita V. Youshchenko creating and updating patches for cross gcc-3.x
• 2005 Héctor Orón Martínez picking up from Nikita (gcc-3.x, gcc-4.x, cross gdb, multilib)

• 2014 Cross toolchain merged into Debian archive in December
• 2014 Wookey and Marcin Juszkiewicz pick up maintenance and enable multiarch (Linaro)
• 2015 Matthias Klose current gcc-cross package uploader and maintainer in Debian (synced uploads with native compilers)

Emdebian 'grip'

• 2009-2014 Emdebian grip (Neil Williams)
• Filter binary packages, removed relevant files and repacked them. Reducing the overall size of the package, the package meta-data and final installation size of the package.
• Innovations: multistrap, dpkg-vendor, dpkg filters and others

• Sizes:
• A basic multistrap of Emdebian Grip (sid-grip) came out at 56Mb installed, not compressed
• A basic multistrap of Debian (sid) comes out at 90Mb installed, not compressed
• A basic debootstrap of Debian (sid) comes out at 269Mb installed, not compressed

Emdebian 'crush' & 'baked'

• Crush: cross build minimal userland, replacing coreutils with busybox
• Baked: cross build minimal userland, ready to bake (dd) without updating capabilities
• This morning at debian-cross BoF, some people might be wanting to pick up this ideas

Debian 'armhf'

• 2009 Initial port done by Konstantinos Margaritis and Héctor Orón Martínez
• ...sponsored by toby Churchill and Genesys for Efika MX devices
• Linaro/Canonical helped a lot on upstream hardfloat support
• Debian ARM HardFloat wiki page

ARM EABI Hardfloat

• Freescale mx5
• Later moved to armmp unified kernel and device tree support

Debian 'arm64'

• Debian port bootstrapped (internally) at ARM/Linaro
• ...using fast model and later QEmu, since hardware was unavailable
• Merge into debian-ports later into Debian
• ...using Juno and X-Gene hardware
• Debian ARM 64 bit wiki page

ARM 64 bit hardware support

• Boot loading: u-boot, ACPI tables and UEFI
• arm64 unified kernel