From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6232 invoked by alias); 27 Jul 2009 15:20:27 -0000 Received: (qmail 6206 invoked by uid 22791); 27 Jul 2009 15:20:24 -0000 X-SWARE-Spam-Status: No, hits=-0.2 required=5.0 tests=AWL,BAYES_00,J_CHICKENPOX_24,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mail-px0-f183.google.com (HELO mail-px0-f183.google.com) (209.85.216.183) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 27 Jul 2009 15:20:16 +0000 Received: by pxi13 with SMTP id 13so2405126pxi.12 for ; Mon, 27 Jul 2009 08:20:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.141.4.20 with SMTP id g20mr3968724rvi.121.1248708014413; Mon, 27 Jul 2009 08:20:14 -0700 (PDT) In-Reply-To: <933273.25954.qm@web111409.mail.gq1.yahoo.com> References: <110c8b2e0907240804l7324ea44k74798fd1950a5f8@mail.gmail.com> <4A69D00F.6000807@mlbassoc.com> <110c8b2e0907240930g3e4429aek690a32f7282a93ce@mail.gmail.com> <933273.25954.qm@web111409.mail.gq1.yahoo.com> Date: Mon, 27 Jul 2009 15:20:00 -0000 Message-ID: <110c8b2e0907270820k2ba99fbk1fdbeeff148ce5b3@mail.gmail.com> Subject: Re: Booting ELF image using redboot From: Subodh Nijsure To: Weqaar Janjua Cc: ecos-devel@sourceware.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact ecos-devel-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: ecos-devel-owner@ecos.sourceware.org X-SW-Source: 2009-07/txt/msg00017.txt.bz2 Hello Weqaar, I am still not able to load the ELF image on my board that run redboot. I am trying to load image that is combined bzImage + ramdisk produced by wraplinux script. (http://www.kernel.org/pub/linux/utils/boot/wraplinux/) I have included output of readelf -h and 50 lines of system.map readelf -h vmlinux.initrd.wrap ELF Header: Magic: 7f 45 4c 46 01 01 01 ff 00 00 00 00 00 00 00 00 Class: ELF32 Data: 2's complement, little endian Version: 1 (current) OS/ABI: Standalone App ABI Version: 0 Type: EXEC (Executable file) Machine: Intel 80386 Version: 0x1 Entry point address: 0x12a18 Start of program headers: 52 (bytes into file) Start of section headers: 5309992 (bytes into file) Flags: 0x0 Size of this header: 52 (bytes) Size of program headers: 32 (bytes) Number of program headers: 3 Size of section headers: 40 (bytes) Number of section headers: 8 Section header string table index: 7 00000400 A __kernel_vsyscall 00000410 A SYSENTER_RETURN 00000420 A __kernel_sigreturn 00000440 A __kernel_rt_sigreturn 00100000 A phys_startup_32 c0100000 T _text c0100000 T startup_32 c01000b0 T _stext c01000b0 t run_init_process c01000b0 T stext c01000c4 t init_post c01001b0 t try_name c010037b T name_to_dev_t c01005f0 T calibrate_delay c01008a0 T thread_saved_pc c01008aa T disable_hlt c01008b2 T enable_hlt c01008ba t poll_idle c01008bd T dump_task_regs c01009a8 T select_idle_routine c01009e3 T arch_align_stack c0100a18 T mwait_idle_with_hints c0100a52 t mwait_idle c0100a5c T sys_vfork c0100a8c T sys_clone c0100ac7 T sys_fork c0100af7 T release_thread c0100b0a T kernel_thread c0100b9c T cpu_idle c0100c05 T dump_thread c0100d22 T sys_execve c0100da2 T get_wchan c0100e22 T sys_set_thread_area c0100fb6 T sys_get_thread_area c01010de T show_regs c01012a1 T default_idle c01012da T copy_thread c01014b3 t __switch_to_xtra c0101518 T __switch_to c0101640 T cpu_idle_wait c01016b2 T exit_thread c010175f T flush_thread c01017d8 T prepare_to_copy c0101840 t setup_sigcontext c01019c9 T sys_sigaltstack c01019db t restore_sigcontext c0101bb5 T sys_sigaction c0101c8a T sys_rt_sigreturn c0101d62 T do_notify_resume c0102428 T sys_sigsuspend On Sun, Jul 26, 2009 at 9:33 AM, Weqaar Janjua wrote: > Please post the first 50 lines of System.map and output from 'readelf -h = vmlinux' > > - Weqaar A. Janjua > > > > ----- Original Message ---- > From: Subodh Nijsure > To: Gary Thomas > Cc: ecos-devel@sourceware.org > Sent: Friday, July 24, 2009 5:30:34 PM > Subject: Re: Booting ELF image using redboot > > See my attempts below (still no joy, I am stumped appreciate help!) > > On Fri, Jul 24, 2009 at 8:15 AM, Gary Thomas wrote: >> Subodh Nijsure wrote: >>> I am new to using redboot and I need some help. >>> >>> This is x86 platform. >>> >>> On this platform I can boot the bzImage but not the ELF format linux im= age. >>> >>> Example if I have following boot script my board boots fine. >>> >>> load -v -r -m disk -b 0x200000 hda2:bzImage >>> exec -b 0x200000 -l 0x300000 -c "console=3DttyS0,115200 ip=3Ddhcp >>> root=3D/dev/nfs =A0(some env specific stuff) " >>> >>> However I can not get redboot to load the ELF image I see message ( >>> Bootsector magic not found (0x8954 @ 0x002001fe) >>> >>> (Not this =A0vmlinux =A0was produced by build process that created bzIm= age >>> that works) >>> >>> load -v -r -m disk -b 0x200000 hda2:vmlinux >>> exec -b 0x200000 -l 0x300000 -c "console=3DttyS0,115200 ip=3Ddhcp >>> root=3D/dev/nfs =A0(some env specific stuff) " >>> Bootsector magic not found (0x8954 @ 0x002001fe) >>> >>> Reason I am trying to boot ELF image is I am trying to use wraplinux >>> utility to wrap kernel and initrd, wraplinux produce >>> >>> Would appreciate any pointers as to what parameters I need to fix for >>> load/exec when loading ELF file. >> >> Try leaving out the '-r' and '-b' options - ELF loading >> should not need them. > > So I tried doing the following > > load -v -m disk hda2:vmlinux > exec -c "console=3DttyS0,115200 root=3D/dev/sda2 ip=3Ddhcp platformid=3D0= x500300" > > I also tried to execute exec with that specified -l > > load -v -m disk hda2:vmlinux > exec -l 0x500000 -c "console=3DttyS0,115200 root=3D/dev/sda2 ip=3Ddhcp > platformid=3D0x500300" > > without any luck objdump for vmlinux shows the following: so I have > also tried executing > go 0x00100000 without any luck > > > vmlinux: =A0 =A0 file format elf32-i386 > vmlinux > architecture: i386, flags 0x00000112: > EXEC_P, HAS_SYMS, D_PAGED > start address 0x00100000 > > Program Header: > =A0 =A0LOAD off =A0 =A00x00001000 vaddr 0xc0100000 paddr 0x00100000 align= 2**12 > =A0 =A0 =A0 =A0 filesz 0x0036032c memsz 0x0036032c flags r-x > =A0 =A0LOAD off =A0 =A00x00362000 vaddr 0xc0461000 paddr 0x00461000 align= 2**12 > =A0 =A0 =A0 =A0 filesz 0x0007a086 memsz 0x000bc000 flags rwx > =A0 =A0NOTE off =A0 =A00x002b4cd8 vaddr 0xc03b3cd8 paddr 0x003b3cd8 align= 2**2 > =A0 =A0 =A0 =A0 filesz 0x00000024 memsz 0x00000024 flags --- > > > > > /Subodh > > > > > >