From patchwork Mon Nov 30 22:25:44 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Lackorzynski X-Patchwork-Id: 39863 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 76FEAB6EEA for ; Tue, 1 Dec 2009 09:31:47 +1100 (EST) Received: from localhost ([127.0.0.1]:59484 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFEmW-0005qU-53 for incoming@patchwork.ozlabs.org; Mon, 30 Nov 2009 17:31:44 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFEgs-0002yl-Iu for qemu-devel@nongnu.org; Mon, 30 Nov 2009 17:25:54 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFEgn-0002v7-Fj for qemu-devel@nongnu.org; Mon, 30 Nov 2009 17:25:53 -0500 Received: from [199.232.76.173] (port=59610 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFEgn-0002uv-3Q for qemu-devel@nongnu.org; Mon, 30 Nov 2009 17:25:49 -0500 Received: from os.inf.tu-dresden.de ([141.76.48.99]:58568) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1NFEgm-0002Ga-OY for qemu-devel@nongnu.org; Mon, 30 Nov 2009 17:25:48 -0500 Received: from erwin.inf.tu-dresden.de ([141.76.48.80] helo=os.inf.tu-dresden.de) by os.inf.tu-dresden.de with esmtps (TLSv1:AES128-SHA:128) (Exim 4.71) id 1NFEgk-0005cn-6M for qemu-devel@nongnu.org; Mon, 30 Nov 2009 23:25:46 +0100 Date: Mon, 30 Nov 2009 23:25:44 +0100 From: Adam Lackorzynski To: qemu-devel@nongnu.org Message-ID: <20091130222544.GA21068@os.inf.tu-dresden.de> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Subject: [Qemu-devel] [PATCH 1/2] multiboot: Fix module loading and setting of mmap. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org multiboot: Fix module loading and setting of mmap. Signed-off-by: Adam Lackorzynski Acked-by: Alexander Graf --- hw/pc.c | 2 +- pc-bios/multiboot.bin | Bin 512 -> 1024 bytes pc-bios/optionrom/multiboot.S | 5 ++++- 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/hw/pc.c b/hw/pc.c index 7c791c4..6bcfe1b 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -661,7 +661,7 @@ static int load_multiboot(void *fw_cfg, /* append module data at the end of last module */ mb_kernel_data = qemu_realloc(mb_kernel_data, - mh_load_addr - mb_mod_end); + mb_mod_end - mh_load_addr); load_image(initrd_filename, mb_kernel_data + mb_mod_start - mh_load_addr); diff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin index 59737c3c6798f83c1b35534d7865c79ba9ca3bc8..d7da6e04ad6d71d26f577d9d6a019719bcce8766 100644 GIT binary patch delta 261 zcmXZVu}Z^G6vpv$F1I0cu#I9V4%gzY#MMa$cNeJ-(0mTo!A)Em=wfIHT=E32KEb6f z2@WZAa%&fDzannbhA>QS4*9nc|err{)-{caFW zkS-*`52Rlb!8dr0Vcx-T=_1W#lw+iR82s)bP(*Jwd4ZBNQf*NVi%LEaTeb=1pTyK@ z+^ns}PHl-)KRP1F^qtxdQnO1ag{ZR4?YeL3`o3c=dU$b3KcBZeG`LkZ4HHr0DDm)j sLZm;BWd>vGLhU(Kng}aYiFF^Qsf$Z-!SNZpqTu*}quA%c_PYG^4_6gol>h($ delta 120 zcmZqRXkd{DUB#FdAZK`>??&3f6b8Mt#U_l$*-{u3C-RF+cFSckrZFB)>jcr=au!gI z1>?lS%1k@BCmvOp_`zCCFO8p3EQ2v^2O|Rm1HaM%y|n*&7L1b}8FeS`W7J{=3f^Ow R{EE?l$$@dQBGY6>MgYdxBLx5e diff --git a/pc-bios/optionrom/multiboot.S b/pc-bios/optionrom/multiboot.S index be5c9fc..9131837 100644 --- a/pc-bios/optionrom/multiboot.S +++ b/pc-bios/optionrom/multiboot.S @@ -62,6 +62,9 @@ run_multiboot: add %eax, %ebx movl %ebx, %gs:GS_GDT_DESC + 2 + xor %eax, %eax + mov %eax, %es + /* Read the bootinfo struct into RAM */ read_fw_blob(FW_CFG_INITRD) @@ -71,7 +74,7 @@ run_multiboot: mov %ax, %fs /* ES = mmap_addr */ - mov %eax, %fs:0x48 + mov %fs:48, %eax shr $4, %eax mov %ax, %es