diff options
Diffstat (limited to 'coin/provisioning/qtci-linux-Ubuntu-18.04-x86_64/03-qemu.sh')
| -rwxr-xr-x | coin/provisioning/qtci-linux-Ubuntu-18.04-x86_64/03-qemu.sh | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/coin/provisioning/qtci-linux-Ubuntu-18.04-x86_64/03-qemu.sh b/coin/provisioning/qtci-linux-Ubuntu-18.04-x86_64/03-qemu.sh new file mode 100755 index 00000000..e3faa20e --- /dev/null +++ b/coin/provisioning/qtci-linux-Ubuntu-18.04-x86_64/03-qemu.sh @@ -0,0 +1,177 @@ +#!/usr/bin/env bash +############################################################################# +## +## Copyright (C) 2017 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the provisioning scripts of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:LGPL21$ +## Commercial License Usage +## Licensees holding valid commercial Qt licenses may use this file in +## accordance with the commercial license agreement provided with the +## Software or, alternatively, in accordance with the terms contained in +## a written agreement between you and The Qt Company. For licensing terms +## and conditions see http://www.qt.io/terms-conditions. For further +## information use the contact form at http://www.qt.io/contact-us. +## +## GNU Lesser General Public License Usage +## Alternatively, this file may be used under the terms of the GNU Lesser +## General Public License version 2.1 or version 3 as published by the Free +## Software Foundation and appearing in the file LICENSE.LGPLv21 and +## LICENSE.LGPLv3 included in the packaging of this file. Please review the +## following information to ensure the GNU Lesser General Public License +## requirements will be met: https://www.gnu.org/licenses/lgpl.html and +## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +## +## As a special exception, The Qt Company gives you certain additional +## rights. These rights are described in The Qt Company LGPL Exception +## version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +## +## $QT_END_LICENSE$ +## +############################################################################# + +set -ex + +source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh" + +# build latest qemu to usermode +sudo apt-get -y install automake autoconf libtool + +tempDir=$(mktemp -d) +git clone git://git.qemu.org/qemu.git "$tempDir" +cd "$tempDir" + +#latest commit from the master proven to work +git checkout c7f1cf01b8245762ca5864e835d84f6677ae8b1f +git cherry-pick 75e5b70e6b5dcc4f2219992d7cffa462aa406af0 +git cherry-pick 04b33e21866412689f18b7ad6daf0a54d8f959a7 +git submodule update --init pixman + +patch -p1 <<EOT +From aad6a8f17dc7ad3681d2d98a01e474a8904a129b Mon Sep 17 00:00:00 2001 +From: Simon Hausmann <simon.hausmann@qt.io> +Date: Fri, 24 Aug 2018 10:38:29 +0200 +Subject: [PATCH] linux-user: add support for MADV_DONTNEED + +Most flags to madvise() are just hints, so typically ignoring the +syscall and returning okay is fine. However applications exist that do +rely on MADV_DONTNEED behavior to guarantee that upon subsequent access +the mapping is refreshed from the backing file or zero for anonymous +mappings. +--- + linux-user/mmap.c | 18 ++++++++++++++++++ + linux-user/qemu.h | 1 + + linux-user/syscall.c | 6 +----- + 3 files changed, 20 insertions(+), 5 deletions(-) + +diff --git a/linux-user/mmap.c b/linux-user/mmap.c +index 61685bf79e..cb3069f27e 100644 +--- a/linux-user/mmap.c ++++ b/linux-user/mmap.c +@@ -764,3 +764,16 @@ int target_msync(abi_ulong start, abi_ulong len, int flags) + start &= qemu_host_page_mask; + return msync(g2h(start), end - start, flags); + } ++ ++int target_madvise(abi_ulong start, abi_ulong len, int flags) ++{ ++ /* A straight passthrough may not be safe because qemu sometimes ++ turns private file-backed mappings into anonymous mappings. ++ Most flags are hints, except for MADV_DONTNEED that applications ++ may rely on to zero out pages, so we pass that through. ++ Otherwise returning success is ok. */ ++ if (flags & MADV_DONTNEED) { ++ return madvise(g2h(start), len, MADV_DONTNEED); ++ } ++ return 0; ++} +diff --git a/linux-user/qemu.h b/linux-user/qemu.h +index 4edd7d0c08..3c975909a1 100644 +--- a/linux-user/qemu.h ++++ b/linux-user/qemu.h +@@ -429,6 +429,7 @@ int target_munmap(abi_ulong start, abi_ulong len); + abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, + abi_ulong new_size, unsigned long flags, + abi_ulong new_addr); ++int target_madvise(abi_ulong start, abi_ulong len, int flags); + int target_msync(abi_ulong start, abi_ulong len, int flags); + extern unsigned long last_brk; + extern abi_ulong mmap_next_start; +diff --git a/linux-user/syscall.c b/linux-user/syscall.c +index 11a311f9db..94d8abc745 100644 +--- a/linux-user/syscall.c ++++ b/linux-user/syscall.c +@@ -11148,11 +11148,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, + + #ifdef TARGET_NR_madvise + case TARGET_NR_madvise: +- /* A straight passthrough may not be safe because qemu sometimes +- turns private file-backed mappings into anonymous mappings. +- This will break MADV_DONTNEED. +- This is a hint, so ignoring and returning success is ok. */ +- ret = get_errno(0); ++ ret = get_errno(target_madvise(arg1, arg2, arg3)); + break; + #endif + #if TARGET_ABI_BITS == 32 +-- +2.17.1 +EOT + +./configure --target-list=arm-linux-user,aarch64-linux-user --static --disable-werror +make +sudo make install +rm -rf "$tempDir" + +# Enable binfmt support +sudo apt-get -y install binfmt-support + +# Install qemu binfmt for 32bit and 64bit arm architectures +sudo update-binfmts --package qemu-arm --install arm \ +/usr/local/bin/qemu-arm \ +--magic \ +"\x7f\x45\x4c\x46\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00" \ +--mask \ +"\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff" +sudo update-binfmts --package qemu-aarch64 --install aarch64 \ +/usr/local/bin/qemu-aarch64 \ +--magic \ +"\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00" \ +--mask \ +"\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff" + +# First test using QFont fails if fonts-noto-cjk is installed. This happens because +# running fontcache for that font takes > 5 mins when run on QEMU. Running fc-cache +# doesn't help since host version creates cache for a wrong architecture and running +# armv7 fc-cache segfaults on QEMU. +sudo DEBIAN_FRONTEND=noninteractive apt-get -y remove fonts-noto-cjk + +# If normal fontconfig paths are used, qemu parses what ever files it finds from +# the toolchain sysroot and the rest from the system fonts. +QEMU_FONTCONFPATH=~/qemu_fonts +QEMU_FONTCONFFILE=$QEMU_FONTCONFPATH/fonts.qemu.conf +mkdir -p $QEMU_FONTCONFPATH + +# Copy system font configuration files from system to a location with prefix that can't be found from +# the toolchain sysroot +cp -Lr /etc/fonts/* $QEMU_FONTCONFPATH + +# Create links to the actual system font files +ln -s /usr/share/fonts $QEMU_FONTCONFPATH/fonts +ln -s /usr/local/share/fonts $QEMU_FONTCONFPATH/local_fonts + +# Change font configuration file to point to files that can't be found from the toolchain sysroot +sed $QEMU_FONTCONFPATH/fonts.conf -e "s:conf.d:$QEMU_FONTCONFPATH/conf.d:" > $QEMU_FONTCONFFILE +sed $QEMU_FONTCONFFILE -e "s:/usr/share/fonts:$QEMU_FONTCONFPATH/fonts:" -i +sed $QEMU_FONTCONFFILE -e "s:/usr/local/share/fonts:$QEMU_FONTCONFPATH/local_fonts:" -i + +# Set QEMU font configuration variables +qemu_env="FONTCONFIG_FILE=$QEMU_FONTCONFFILE" +qemu_env="${qemu_env},FONTCONFIG_PATH=$QEMU_FONTCONFPATH" + +# Disable QtWayland window decorations, as they cause flakiness when used inside qemu (QTBUG-66173) +qemu_env="${qemu_env},QT_WAYLAND_DISABLE_WINDOWDECORATION=1" + +SetEnvVar "QEMU_SET_ENV" "\"${qemu_env}\"" |