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by mavrikiy_rvachka
Mon Nov 04, 2013 11:05 am
Forum: Bare metal, Assembly language
Topic: exception vector handling trouble
Replies: 4
Views: 1554

Re: exception vector handling trouble

My apologies, I was really tired when I responded to this post and I definitely didn't mean IRQ's :p If I understand correctly, the abort/interrupts are enabled via CPSIE http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0204j/Cihfdbhd.html Hope that is what you are looking for. thanks...
by mavrikiy_rvachka
Fri Nov 01, 2013 11:02 am
Forum: Bare metal, Assembly language
Topic: exception vector handling trouble
Replies: 4
Views: 1554

Re: exception vector handling trouble

ambivalent wrote:Have you enabled irqs?
no i don't, but i don't need it. actually i want to get to smc, but i 'd got the same problem , so i try to generate data abort exception just to ensure myself that exceptions work properly
by mavrikiy_rvachka
Fri Nov 01, 2013 8:26 am
Forum: Bare metal, Assembly language
Topic: exception vector handling trouble
Replies: 4
Views: 1554

exception vector handling trouble

hello. i'm trying to handle exception on my raspberry board, but i was stuck in the very beginning - seems that i couldn't set vector table properly. i compile my program with u-boot, with intent of using its printf for debug here is my code example: reg_debug.c: #include <common.h> /*#include <expo...
by mavrikiy_rvachka
Thu Oct 10, 2013 7:15 am
Forum: Bare metal, Assembly language
Topic: Netbooting - again / U-Boot specific
Replies: 2
Views: 3778

Re: Netbooting - again / U-Boot specific

hello
how to start Raspberry with u-boot you could find here:
http://www.raspberrypi.org/phpBB3/viewt ... =56914&e=0

as for tftp booting, most of all you would need to create u-boot script and put it your sd card. just read about how to work with u-boot scripts for raspberry
good luck
by mavrikiy_rvachka
Mon Sep 30, 2013 9:53 am
Forum: Raspberry Pi OS
Topic: U-boot for Raspberry
Replies: 2
Views: 11407

Re: U-boot for Raspberry

hi you need: 1) create boot partition on your sd card 2) put there files: bootcode.bin cmdline.txt config.txt fixup_cd.dat fixup.dat fixup_x.dat issue.txt start_cd.elf start.elf start_x.elf which you can get in raspian image (mount boot sector of raspbian.img and copy this stuff to your sd card boot...

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