From patchwork Mon Dec 5 12:23:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Gmeiner X-Patchwork-Id: 702718 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 3tXP743Fcwz9sD6 for ; Mon, 5 Dec 2016 23:23:28 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="VNSrGLVu"; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id B9E1CB3843; Mon, 5 Dec 2016 13:23:26 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jMc318qVL0QI; Mon, 5 Dec 2016 13:23:26 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 21B83A7593; Mon, 5 Dec 2016 13:23:26 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4CE5CA7593 for ; Mon, 5 Dec 2016 13:23:23 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ufUvhFGOCh3r for ; Mon, 5 Dec 2016 13:23:23 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-wm0-f65.google.com (mail-wm0-f65.google.com [74.125.82.65]) by theia.denx.de (Postfix) with ESMTPS id 187874B6B3 for ; Mon, 5 Dec 2016 13:23:19 +0100 (CET) Received: by mail-wm0-f65.google.com with SMTP id a20so15665977wme.2 for ; Mon, 05 Dec 2016 04:23:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=CbsiLlZvREdXp21PAntd9WDAFXnw180ZGe5B08CAmzc=; b=VNSrGLVuDDovlaP/80kONCbbVZHWrFMDM9XBJojODrg93Cjv3YiZH/UiJWRQpyrjEY dz/ZPn5lwukJdLwhE/MvhmF6bEwyNESO6M8kPzhozeEJpeBHOkfG9meHmmAt/W7I+FQr /MONSfdVPRo0BGWdEBKVggv5RI22efusnIaLf+b93Ovh6W8rnWUb/6AcFAuUTScsYyiW qMQy5QXGbtSPUozhVVCBQVwV8UiVWIZ6Wzff5H/c7D9gslLM9VTxIBcOJsywlns6BJZ+ F/M4KdXIsuManwcb1gxfc8+z7JZMQ1Un1cZgF3jHNf1HXmZA1abA9J71pyZTp/fYopMU Ualg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=CbsiLlZvREdXp21PAntd9WDAFXnw180ZGe5B08CAmzc=; b=KcZyEjZR93zQFckJrl//DRhnSllKlrFrGnDBPStpo/0aW/GCI3EQFqYiiduW1oenAc 3Hx4ux54bKyPY5ra0XQ9iQVDALDyt1E6jE6GAWPXTYiBJNGivgFcBriunbAluF/a25Jw FPxDliN6NTa4s6hZucER9PvRj6WOgkOyE4wrXGDv6Ip3HGm7DEB63lsmf03CAGFFHNG6 nS836oMs6lFlevSPwkxYH/UOLd/FdQjZS1yjrfDHV9awYTQavPXWWMXJdig8sw4M/9SA 2RGQBasOKMJoUH3YWD9t9kj9GYvBS0mf7TQjkKWI/DxyEMCvRNg+3VzI9efuM5SPi8AD qf0Q== X-Gm-Message-State: AKaTC004bR31xq7G88nvUxV1IbwTDSg0WP7VPj6clV8NUx63xO/9T8sIsiVmZ7Ap0nivmQ== X-Received: by 10.28.94.76 with SMTP id s73mr9738477wmb.107.1480940599385; Mon, 05 Dec 2016 04:23:19 -0800 (PST) Received: from chgm-pc.bachmann.at ([185.67.228.2]) by smtp.gmail.com with ESMTPSA id w79sm12076989wmw.0.2016.12.05.04.23.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Dec 2016 04:23:18 -0800 (PST) From: Christian Gmeiner To: u-boot@lists.denx.de Date: Mon, 5 Dec 2016 13:23:08 +0100 Message-Id: <1480940588-14793-1-git-send-email-christian.gmeiner@gmail.com> X-Mailer: git-send-email 2.7.4 Subject: [U-Boot] [PATCH] elf: use program header for loading X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" The section header address is a VMA whereas the address found in the program header is a physical one. With this change it is possible to load and start a vx7 intel generic based image. $ readelf -l /tmp/vx7 Elf file type is EXEC (Executable file) Entry point 0x408000 There are 2 program headers, starting at offset 52 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x001000 0x00408000 0x00408000 0x04000 0x04000 RWE 0x1000 LOAD 0x005000 0xe040c000 0x0040c000 0x583a84 0x5ccc70 RWE 0x1000 Section to Segment mapping: Segment Sections... 00 .text.locore .data.locore 01 .text .eh_frame .wrs_build_vars .data .tls_data .tls_vars .bss $ readelf -S /tmp/vx7 There are 13 section headers, starting at offset 0x588af8: Section Headers: [Nr] Name Type Addr Off Size ES Flg Lk Inf Al [ 0] NULL 00000000 000000 000000 00 0 0 0 [ 1] .text.locore PROGBITS 00408000 001000 00011e 00 AX 0 0 16 [ 2] .data.locore PROGBITS 00409000 002000 003000 00 WA 0 0 4096 [ 3] .text PROGBITS e040c000 005000 4802a0 00 WAX 0 0 32 [ 4] .eh_frame PROGBITS e088c2a0 4852a0 0a1ed0 00 A 0 0 4 [ 5] .wrs_build_vars PROGBITS e092e170 527170 000190 00 Ax 0 0 1 [ 6] .data PROGBITS e092f000 528000 060a70 00 WA 0 0 4096 [ 7] .tls_data PROGBITS e098fa70 588a70 000004 00 A 0 0 4 [ 8] .tls_vars PROGBITS e098fa78 588a78 00000c 00 WA 0 0 4 [ 9] .bss NOBITS e098faa0 588a84 0491d0 00 WA 0 0 32 [10] .shstrtab STRTAB 00000000 588a84 000074 00 0 0 1 [11] .symtab SYMTAB 00000000 588d00 056ee0 10 12 9758 4 [12] .strtab STRTAB 00000000 5dfbe0 05f48a 00 0 0 1 Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings) I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown) O (extra OS processing required) o (OS specific), p (processor specific) Signed-off-by: Christian Gmeiner --- cmd/elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cmd/elf.c b/cmd/elf.c index 5190cc6..445daa0 100644 --- a/cmd/elf.c +++ b/cmd/elf.c @@ -376,7 +376,7 @@ int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) * binary image. */ if (valid_elf_image(addr)) - addr = load_elf_image_shdr(addr); + addr = load_elf_image_phdr(addr); else puts("## Not an ELF image, assuming binary\n");