Tiny Core Base > Corepure64
UEFI bootable iso?
pq5190362:
Hello,
--- Quote from: Juanito on February 12, 2015, 07:50:40 AM ---I finally managed to create an iso that, when burned to CD/DVD, will boot in legacy bios and uefi modes - on my latitude e7240 both are listed at power on.
In uefi mode, the console should display at the native screen resolution.
The iso is much bigger than it needs to be, but there's not much point refining things if there is no demand for this kind of thing - although I wonder if the iso could also be "burnt" to usb stick...
Only tested so far on a usb external CD/DVD drive, if anytbody else would like to test CorePure64_mb-6.1rc1.iso available here:
http://tinycorelinux.net/6.x/x86_64/release_candidates/
--- End quote ---
I tried to boot CorePure64_mb-6.1rc1.iso in VirtualBox 4.30.20 with the Machine -> Settings -> System -> Motherboard -> Extended Features -> Enable EFI (special OSes only) option activated and it seems to boot just fine.
Then I wanted to create a bootable USB flash drive from CorePure64_mb-6.1rc1.iso using Rufus 1.4.12 with Partition scheme and taget system type set to GPT partition scheme for UEFI computer.
But I didn't even came that far, because Rufus 1.4.12 immediately complains when trying to load the ISO and throws the following error message:
--- Quote from: Rufus 1.4.12 when trying to load CorePure64_mb-6.1rc1.iso ---Unsupported ISO
This version of Rufus only supports bootable ISOs based on bootmgr/WinPE, isolinux or EFI.
This ISO doesn't appear to use either...
--- End quote ---
I do not get this error message when loading a recent Ubuntu 64-bit ISO inside Rufus 1.4.12.
Regards
core-user:
--- Quote ---Only tested so far on a usb external CD/DVD drive, if anytbody else would like to test CorePure64_mb-6.1rc1.iso available here:
http://tinycorelinux.net/6.x/x86_64/release_candidates/
--- End quote ---
Just booted from pendrive on my Acer netbook which seems to work OK if you use dd to create the pendrive. 8)
pq5190362:
--- Quote from: core-user on February 12, 2015, 10:24:05 AM ---Just booted from pendrive on my Acer netbook which seems to work OK if you use dd to create the pendrive. 8)
--- End quote ---
Booted in which mode?
UEFI? Or BIOS?
core-user:
Sorry, I just left it to boot up, likely it was mbr/bios.
Head_on_a_Stick:
For anyone interested, I have Corepure64 booting up in EFI-mode using pure EFISTUB with no bootloader at all.
I am using it from a HDD shared with an Arch install with the kernel image & initial ramdisk copied to the EFI system partition.
To get it to boot I used the `efibootmgr` command to directly write a new NVRAM entry in my firmware (BIOS) -- this command could also be used from a live ISO.
--- Code: ---# efibootmgr -d /dev/sdX -p Y -c -L "TinyCore" -l /vmlinuz64 -u "root=/dev/sdAB ro initrd=/corepure64.gz"
--- End code ---
Where "X" is the drive letter & "Y" is the partition number of the EFI system partition and "AB" is the drive letter and parition number of the location of the /tce folder.
TinyCore rocks! I love it :)
EDIT: It is also possible to use gummiboot -- /boot/loader/entires/tinycore.conf
--- Code: ---title TinyCore
linux /vmlinuz64
initrd /corepure64.gz
options root=/dev/sdAB
--- End code ---
For this method, gummiboot must be installed in the "host" system ;)
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