a0b032ad85
Fixes the following security issues: CVE-2018-16872: A flaw was found in qemu Media Transfer Protocol (MTP). The code opening files in usb_mtp_get_object and usb_mtp_get_partial_object and directories in usb_mtp_object_readdir doesn't consider that the underlying filesystem may have changed since the time lstat(2) was called in usb_mtp_object_alloc, a classical TOCTTOU problem. An attacker with write access to the host filesystem shared with a guest can use this property to navigate the host filesystem in the context of the QEMU process and read any file the QEMU process has access to. Access to the filesystem may be local or via a network share protocol such as CIFS. Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
290 lines
7.2 KiB
Makefile
290 lines
7.2 KiB
Makefile
################################################################################
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#
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# qemu
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#
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################################################################################
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ifeq ($(BR2_csky),y)
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QEMU_VERSION = b517e1dc3125a57555d67a8deed9eac7b42288e2
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QEMU_SITE = $(call github,c-sky,qemu,$(QEMU_VERSION))
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else
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QEMU_VERSION = 3.1.1
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QEMU_SOURCE = qemu-$(QEMU_VERSION).tar.xz
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QEMU_SITE = http://download.qemu.org
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endif
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QEMU_LICENSE = GPL-2.0, LGPL-2.1, MIT, BSD-3-Clause, BSD-2-Clause, Others/BSD-1c
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QEMU_LICENSE_FILES = COPYING COPYING.LIB
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# NOTE: there is no top-level license file for non-(L)GPL licenses;
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# the non-(L)GPL license texts are specified in the affected
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# individual source files.
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#-------------------------------------------------------------
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# Target-qemu
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QEMU_DEPENDENCIES = host-pkgconf libglib2 zlib pixman
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# Need the LIBS variable because librt and libm are
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# not automatically pulled. :-(
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QEMU_LIBS = -lrt -lm
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QEMU_OPTS =
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QEMU_VARS = LIBTOOL=$(HOST_DIR)/bin/libtool
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# If we want to specify only a subset of targets, we must still enable all
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# of them, so that QEMU properly builds its list of default targets, from
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# which it then checks if the specified sub-set is valid. That's what we
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# do in the first part of the if-clause.
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# Otherwise, if we do not want to pass a sub-set of targets, we then need
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# to either enable or disable -user and/or -system emulation appropriately.
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# That's what we do in the else-clause.
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ifneq ($(call qstrip,$(BR2_PACKAGE_QEMU_CUSTOM_TARGETS)),)
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QEMU_OPTS += --enable-system --enable-linux-user
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QEMU_OPTS += --target-list="$(call qstrip,$(BR2_PACKAGE_QEMU_CUSTOM_TARGETS))"
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else
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ifeq ($(BR2_PACKAGE_QEMU_SYSTEM),y)
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QEMU_OPTS += --enable-system
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else
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QEMU_OPTS += --disable-system
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endif
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ifeq ($(BR2_PACKAGE_QEMU_LINUX_USER),y)
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QEMU_OPTS += --enable-linux-user
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else
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QEMU_OPTS += --disable-linux-user
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endif
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endif
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# There is no "--enable-slirp"
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ifeq ($(BR2_PACKAGE_QEMU_SLIRP),)
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QEMU_OPTS += --disable-slirp
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endif
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ifeq ($(BR2_PACKAGE_QEMU_SDL),y)
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QEMU_OPTS += --enable-sdl
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QEMU_DEPENDENCIES += sdl2
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QEMU_VARS += SDL2_CONFIG=$(BR2_STAGING_DIR)/usr/bin/sdl2-config
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else
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QEMU_OPTS += --disable-sdl
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endif
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ifeq ($(BR2_PACKAGE_QEMU_FDT),y)
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QEMU_OPTS += --enable-fdt
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QEMU_DEPENDENCIES += dtc
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else
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QEMU_OPTS += --disable-fdt
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endif
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ifeq ($(BR2_PACKAGE_QEMU_TOOLS),y)
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QEMU_OPTS += --enable-tools
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else
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QEMU_OPTS += --disable-tools
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endif
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ifeq ($(BR2_PACKAGE_LIBSECCOMP),y)
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QEMU_OPTS += --enable-seccomp
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QEMU_DEPENDENCIES += libseccomp
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else
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QEMU_OPTS += --disable-seccomp
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endif
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ifeq ($(BR2_PACKAGE_LIBSSH2),y)
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QEMU_OPTS += --enable-libssh2
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QEMU_DEPENDENCIES += libssh2
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else
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QEMU_OPTS += --disable-libssh2
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endif
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# Override CPP, as it expects to be able to call it like it'd
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# call the compiler.
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define QEMU_CONFIGURE_CMDS
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unset TARGET_DIR; \
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cd $(@D); \
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LIBS='$(QEMU_LIBS)' \
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$(TARGET_CONFIGURE_OPTS) \
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$(TARGET_CONFIGURE_ARGS) \
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CPP="$(TARGET_CC) -E" \
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$(QEMU_VARS) \
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./configure \
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--prefix=/usr \
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--cross-prefix=$(TARGET_CROSS) \
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--audio-drv-list= \
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--enable-kvm \
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--enable-attr \
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--enable-vhost-net \
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--disable-bsd-user \
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--disable-xen \
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--disable-vnc \
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--disable-virtfs \
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--disable-brlapi \
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--disable-curses \
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--disable-curl \
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--disable-bluez \
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--disable-vde \
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--disable-linux-aio \
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--disable-cap-ng \
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--disable-docs \
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--disable-spice \
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--disable-rbd \
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--disable-libiscsi \
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--disable-usb-redir \
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--disable-strip \
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--disable-sparse \
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--disable-mpath \
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--disable-sanitizers \
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--disable-hvf \
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--disable-whpx \
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--disable-malloc-trim \
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--disable-membarrier \
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--disable-vhost-crypto \
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--disable-libxml2 \
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--disable-capstone \
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--disable-git-update \
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--disable-opengl \
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$(QEMU_OPTS)
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endef
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define QEMU_BUILD_CMDS
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unset TARGET_DIR; \
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
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endef
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define QEMU_INSTALL_TARGET_CMDS
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unset TARGET_DIR; \
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(QEMU_MAKE_ENV) DESTDIR=$(TARGET_DIR) install
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endef
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$(eval $(generic-package))
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#-------------------------------------------------------------
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# Host-qemu
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HOST_QEMU_DEPENDENCIES = host-pkgconf host-zlib host-libglib2 host-pixman
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# BR ARCH qemu
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# ------- ----
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# arm arm
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# armeb armeb
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# i486 i386
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# i586 i386
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# i686 i386
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# x86_64 x86_64
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# m68k m68k
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# microblaze microblaze
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# mips mips
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# mipsel mipsel
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# mips64 mips64
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# mips64el mips64el
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# nios2 nios2
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# powerpc ppc
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# powerpc64 ppc64
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# powerpc64le ppc64 (system) / ppc64le (usermode)
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# sh2a not supported
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# sh4 sh4
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# sh4eb sh4eb
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# sh4a sh4
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# sh4aeb sh4eb
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# sparc sparc
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# sparc64 sparc64
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HOST_QEMU_ARCH = $(ARCH)
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ifeq ($(HOST_QEMU_ARCH),i486)
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HOST_QEMU_ARCH = i386
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endif
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ifeq ($(HOST_QEMU_ARCH),i586)
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HOST_QEMU_ARCH = i386
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endif
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ifeq ($(HOST_QEMU_ARCH),i686)
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HOST_QEMU_ARCH = i386
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endif
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ifeq ($(HOST_QEMU_ARCH),powerpc)
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HOST_QEMU_ARCH = ppc
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endif
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ifeq ($(HOST_QEMU_ARCH),powerpc64)
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HOST_QEMU_ARCH = ppc64
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endif
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ifeq ($(HOST_QEMU_ARCH),powerpc64le)
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HOST_QEMU_ARCH = ppc64le
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HOST_QEMU_SYS_ARCH = ppc64
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endif
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ifeq ($(HOST_QEMU_ARCH),sh4a)
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HOST_QEMU_ARCH = sh4
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endif
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ifeq ($(HOST_QEMU_ARCH),sh4aeb)
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HOST_QEMU_ARCH = sh4eb
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endif
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ifeq ($(HOST_QEMU_ARCH),csky)
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ifeq ($(BR2_ck610),y)
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HOST_QEMU_ARCH = cskyv1
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else
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HOST_QEMU_ARCH = cskyv2
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endif
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endif
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HOST_QEMU_SYS_ARCH ?= $(HOST_QEMU_ARCH)
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ifeq ($(BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE),y)
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HOST_QEMU_TARGETS += $(HOST_QEMU_SYS_ARCH)-softmmu
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HOST_QEMU_OPTS += --enable-system --enable-fdt
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HOST_QEMU_DEPENDENCIES += host-dtc
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else
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HOST_QEMU_OPTS += --disable-system
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endif
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ifeq ($(BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE),y)
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HOST_QEMU_TARGETS += $(HOST_QEMU_ARCH)-linux-user
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HOST_QEMU_OPTS += --enable-linux-user
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HOST_QEMU_HOST_SYSTEM_TYPE = $(shell uname -s)
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ifneq ($(HOST_QEMU_HOST_SYSTEM_TYPE),Linux)
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$(error "qemu-user can only be used on Linux hosts")
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endif
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else # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
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HOST_QEMU_OPTS += --disable-linux-user
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endif # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
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ifeq ($(BR2_PACKAGE_HOST_QEMU_VDE2),y)
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HOST_QEMU_OPTS += --enable-vde
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HOST_QEMU_DEPENDENCIES += host-vde2
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endif
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ifeq ($(BR2_PACKAGE_HOST_QEMU_VIRTFS),y)
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HOST_QEMU_OPTS += --enable-virtfs
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HOST_QEMU_DEPENDENCIES += host-libcap
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else
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HOST_QEMU_OPTS += --disable-virtfs
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endif
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# Override CPP, as it expects to be able to call it like it'd
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# call the compiler.
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define HOST_QEMU_CONFIGURE_CMDS
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unset TARGET_DIR; \
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cd $(@D); $(HOST_CONFIGURE_OPTS) CPP="$(HOSTCC) -E" \
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./configure \
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--target-list="$(HOST_QEMU_TARGETS)" \
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--prefix="$(HOST_DIR)" \
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--interp-prefix=$(STAGING_DIR) \
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--cc="$(HOSTCC)" \
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--host-cc="$(HOSTCC)" \
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--extra-cflags="$(HOST_CFLAGS)" \
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--extra-ldflags="$(HOST_LDFLAGS)" \
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$(HOST_QEMU_OPTS)
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endef
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define HOST_QEMU_BUILD_CMDS
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unset TARGET_DIR; \
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$(HOST_MAKE_ENV) $(MAKE) -C $(@D)
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endef
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define HOST_QEMU_INSTALL_CMDS
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unset TARGET_DIR; \
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$(HOST_MAKE_ENV) $(MAKE) -C $(@D) install
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endef
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$(eval $(host-generic-package))
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# variable used by other packages
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QEMU_USER = $(HOST_DIR)/bin/qemu-$(HOST_QEMU_ARCH)
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