TianoCore: Difference between revisions

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'''[http://tianocore.org TianoCore]''' is an open source implementation of '''UEFI''', the '''Unified Extensible Firmware Interface'''. UEFI (formerly EFI) is intended to replace the traditional PC BIOS. TianoCore as in implementation cannot do that, as it lacks the code to do hardware initalization. Since hardware initialization is exactly what coreboot does, the combination of coreboot + TianoCore is the most straightforward option to provide a complete, opensource UEFI environment.
'''[http://tianocore.org TianoCore]''' is an open source implementation of '''UEFI''', the '''Unified Extensible Firmware Interface'''. UEFI (formerly EFI) is intended to replace the traditional PC BIOS. TianoCore as in implementation cannot do that, as it lacks the code to do hardware initalization. Since hardware initialization is exactly what coreboot does, the combination of coreboot + TianoCore is the most straightforward option to provide a complete, opensource UEFI environment.


There are various approaches for loading TianoCore, the easiest one seem to be to use SeaBIOS floppy mechanism and DuetPkg.
There are various approaches for loading TianoCore. One is to use SeaBIOS' floppy mechanism to load DUET, a TianoCore-on-BIOS. The other is to make TianoCore a true coreboot payload.
 
== DUET ==
=== Howto DuetPkg ===
=== Howto DuetPkg ===
* Setup edk2 for compilation:
* Setup edk2 for compilation:
Line 18: Line 18:
  cd ../
  cd ../
  . ./edksetup.sh BaseTools
  . ./edksetup.sh BaseTools
  sh DuetPkg/PostBuild.sh IA32 GCC44
  ./DuetPkg/PostBuild.sh IA32 GCC44
  ./DuetPkg/CreateBootDisk.sh file ./floppy.img ./floppy.img FAT12 IA32 GCC44
  ./DuetPkg/CreateBootDisk.sh file ./floppy.img ./floppy.img FAT12 IA32 GCC44
  lzma -zc floppy.img > myfloppy.img.lzma
  lzma -zc floppy.img > myfloppy.img.lzma
Line 34: Line 34:
  2. ata1-0: Hitachi HDP725050GLA360 ATA-8 Hard-Disk (465 GiByte
  2. ata1-0: Hitachi HDP725050GLA360 ATA-8 Hard-Disk (465 GiByte


* For me it fails with an interrupt issue....
=== Result ===
M4A785T-M => fails with an interrupt issue
 
Qemu => way too slow
 
x60 => seem to work,no media to test
 
== TianoCore as coreboot payload ==
https://github.com/pgeorgi/edk2 currently is able to boot on QEmu. It boots, but still lacks many features. Graphics output is possible by integrating SeaBIOS as CSM, but various native components (such as a GOP driver that piggybacks on the coreboot framebuffer) are planned. Contributions are welcome, the eventual goal of the project is to have a single payload that can run various boards.
 
http://notabs.org/coreboot/duet-payload provides an implementation that is able to boot some AMD based mainboard.
 
http://uefidk.intel.com/develop has released a Tianocore payload for some Intel mainboard (probably baytrail).

Revision as of 12:52, 20 November 2014

TianoCore is an open source implementation of UEFI, the Unified Extensible Firmware Interface. UEFI (formerly EFI) is intended to replace the traditional PC BIOS. TianoCore as in implementation cannot do that, as it lacks the code to do hardware initalization. Since hardware initialization is exactly what coreboot does, the combination of coreboot + TianoCore is the most straightforward option to provide a complete, opensource UEFI environment.

There are various approaches for loading TianoCore. One is to use SeaBIOS' floppy mechanism to load DUET, a TianoCore-on-BIOS. The other is to make TianoCore a true coreboot payload.

DUET

Howto DuetPkg

  • Setup edk2 for compilation:
  • First compile DuetPkg:
cd BaseTools
export EDK_TOOLS_PATH=$(pwd)
cd ../
. ./edksetup.sh BaseTools
build -p DuetPkg/DuetPkgIa32.dsc
  • Then package it in a floppy file:

Go in the edk2 directory, then run the following commands:

cd BaseTools
export EDK_TOOLS_PATH=$(pwd)
cd ../
. ./edksetup.sh BaseTools
./DuetPkg/PostBuild.sh IA32 GCC44
./DuetPkg/CreateBootDisk.sh file ./floppy.img ./floppy.img FAT12 IA32 GCC44
lzma -zc floppy.img > myfloppy.img.lzma
  • Then add it to cbfs:

Go into the coreboot directory and do:

./build/cbfstool coreboot.rom add -f /path/to/myfloppy.img.lzma -n floppyimg/MyFloppy.lzma -t raw
./build/cbfstool coreboot.rom print
  • reflash coreboot and reboot.
  • Then while booting press F12 and choose it:
Press F12 for boot menu.

Select boot device:

1. Ramdisk [MyFloppy]
2. ata1-0: Hitachi HDP725050GLA360 ATA-8 Hard-Disk (465 GiByte

Result

M4A785T-M => fails with an interrupt issue

Qemu => way too slow

x60 => seem to work,no media to test

TianoCore as coreboot payload

https://github.com/pgeorgi/edk2 currently is able to boot on QEmu. It boots, but still lacks many features. Graphics output is possible by integrating SeaBIOS as CSM, but various native components (such as a GOP driver that piggybacks on the coreboot framebuffer) are planned. Contributions are welcome, the eventual goal of the project is to have a single payload that can run various boards.

http://notabs.org/coreboot/duet-payload provides an implementation that is able to boot some AMD based mainboard.

http://uefidk.intel.com/develop has released a Tianocore payload for some Intel mainboard (probably baytrail).