Re: [U-Boot] Booting linux zImage on vexpress-a15

2019-02-08 Thread Andre Wagner
Hi Liviu, I got the qemu + uboot + zImage running now! The solution was to use qemu version 3.1 like you and not the ancient 2.11 version of Ubuntu 18.04. Thank you very much for your support. I was completely lost in the debugging of linux, qemu and u-boot... Greetings, André On 07.02.1

Re: [U-Boot] Booting linux zImage on vexpress-a15

2019-02-07 Thread Liviu Dudau
On Thu, Feb 07, 2019 at 01:55:00PM +0100, Andre Wagner wrote: > Hi Liviu, > > thank you very much for your reply. A very good hint was that I need to set > the extra kernel parameter earlyprintk for showing further debug output. I > expected that setting the 'Early Printk' option in Kconfig is eno

Re: [U-Boot] Booting linux zImage on vexpress-a15

2019-02-07 Thread Andre Wagner
Hi Liviu, thank you very much for your reply. A very good hint was that I need to set the extra kernel parameter earlyprintk for showing further debug output. I expected that setting the 'Early Printk' option in Kconfig is enough. After adding this kernel parameter i can see the kernel boot m

Re: [U-Boot] Booting linux zImage on vexpress-a15

2019-02-06 Thread Liviu Dudau
On Tue, Feb 05, 2019 at 07:05:55PM +0100, Andre Wagner wrote: > Hi @all, Hi Andre, > > I'm trying to build a linux kernel as zImage and boot it with u-boot on a > qemu vexpress-a15 machine. The host machine is a Ubuntu 18.04. > > What I tried until now: > > 1. Get Linux from git, export ARCH=a

[U-Boot] Booting linux zImage on vexpress-a15

2019-02-05 Thread Andre Wagner
Hi @all, I'm trying to build a linux kernel as zImage and boot it with u-boot on a qemu vexpress-a15 machine. The host machine is a Ubuntu 18.04. What I tried until now: 1. Get Linux from git, export ARCH=arm and CROSS_COMPILE=arm-linux-gnueabihf- 2. Make Defconfig: make vexpress_defconfig