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Wed, 23 Sep 2020 09:11:34 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2F0805D9CC; Wed, 23 Sep 2020 09:11:34 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 04/12] configure: move accelerator logic to meson Date: Wed, 23 Sep 2020 05:11:23 -0400 Message-Id: <20200923091131.1591563-5-pbonzini@redhat.com> In-Reply-To: <20200923091131.1591563-1-pbonzini@redhat.com> References: <20200923091131.1591563-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/23 00:53:58 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: richard.henderson@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Move to meson the code to detect the presence of accelerators, and to define accelerator-specific config-target.h symbols. The logic for now is duplicated in configure because it is still in use to build the list of targets (which is in turn used to create the config-target.mak files). The next patches remove it. Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson --- configure | 19 --------- meson.build | 108 ++++++++++++++++++++++++++++++++++++++++++++-------- 2 files changed, 93 insertions(+), 34 deletions(-) diff --git a/configure b/configure index 04cc25f7c8..5df58c4b89 100755 --- a/configure +++ b/configure @@ -6863,7 +6863,6 @@ if test "$optreset" = "yes" ; then echo "HAVE_OPTRESET=y" >> $config_host_mak fi if test "$tcg" = "enabled"; then - echo "CONFIG_TCG=y" >> $config_host_mak if test "$tcg_interpreter" = "yes" ; then echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak fi @@ -7645,24 +7644,6 @@ if [ "$TARGET_SYSTBL_ABI" != "" ]; then echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak fi -if supported_xen_target $target; then - echo "CONFIG_XEN=y" >> $config_target_mak - if test "$xen_pci_passthrough" = enabled; then - echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak" - fi -fi -if supported_kvm_target $target; then - echo "CONFIG_KVM=y" >> $config_target_mak -fi -if supported_hax_target $target; then - echo "CONFIG_HAX=y" >> $config_target_mak -fi -if supported_hvf_target $target; then - echo "CONFIG_HVF=y" >> $config_target_mak -fi -if supported_whpx_target $target; then - echo "CONFIG_WHPX=y" >> $config_target_mak -fi if test "$target_aligned_only" = "yes" ; then echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak fi diff --git a/meson.build b/meson.build index 02593bc787..641378c1d9 100644 --- a/meson.build +++ b/meson.build @@ -50,6 +50,28 @@ configure_file(input: files('scripts/ninjatool.py'), output: 'ninjatool', configuration: config_host) +if cpu in ['x86', 'x86_64'] + kvm_targets = ['i386-softmmu', 'x86_64-softmmu'] +elif cpu == 'aarch64' + kvm_targets = ['aarch64-softmmu'] +elif cpu == 's390x' + kvm_targets = ['s390x-softmmu'] +elif cpu in ['ppc', 'ppc64'] + kvm_targets = ['ppc-softmmu', 'ppc64-softmmu'] +else + kvm_targets = [] +endif + +accelerator_targets = { 'CONFIG_KVM': kvm_targets } +if cpu in ['x86', 'x86_64'] + accelerator_targets += { + 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'], + 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'], + 'CONFIG_HVF': ['x86_64-softmmu'], + 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'], + } +endif + ################## # Compiler flags # ################## @@ -103,7 +125,7 @@ version_res = [] coref = [] iokit = [] cocoa = not_found -hvf = [] +hvf = not_found if targetos == 'windows' socket = cc.find_library('ws2_32') winmm = cc.find_library('winmm') @@ -116,7 +138,6 @@ elif targetos == 'darwin' coref = dependency('appleframeworks', modules: 'CoreFoundation') iokit = dependency('appleframeworks', modules: 'IOKit') cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa')) - hvf = dependency('appleframeworks', modules: 'Hypervisor') elif targetos == 'sunos' socket = [cc.find_library('socket'), cc.find_library('nsl'), @@ -127,6 +148,63 @@ elif targetos == 'haiku' cc.find_library('bsd')] endif +accelerators = [] +if not get_option('kvm').disabled() and targetos == 'linux' + accelerators += 'CONFIG_KVM' +endif +if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host + accelerators += 'CONFIG_XEN' + have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux' +else + have_xen_pci_passthrough = false +endif +if not get_option('whpx').disabled() and targetos == 'windows' + if get_option('whpx').enabled() and cpu != 'x86_64' + error('WHPX requires 64-bit host') + elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \ + cc.has_header('WinHvEmulation.h', required: get_option('whpx')) + accelerators += 'CONFIG_WHPX' + endif +endif +if not get_option('hvf').disabled() + hvf = dependency('appleframeworks', modules: 'Hypervisor', + required: get_option('hvf')) + if hvf.found() + accelerators += 'CONFIG_HVF' + endif +endif +if not get_option('hax').disabled() + if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd'] + accelerators += 'CONFIG_HAX' + endif +endif +if not get_option('tcg').disabled() + if cpu not in supported_cpus + if 'CONFIG_TCG_INTERPRETER' in config_host + warning('Unsupported CPU @0@, will use TCG with TCI (experimental)'.format(cpu)) + else + error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu)) + endif + endif + accelerators += 'CONFIG_TCG' +endif + +if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled() + error('KVM not available on this platform') +endif +if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled() + error('HVF not available on this platform') +endif +if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled() + error('WHPX not available on this platform') +endif +if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled() + if 'CONFIG_XEN' in accelerators + error('Xen PCI passthrough not available on this platform') + else + error('Xen PCI passthrough requested but Xen not enabled') + endif +endif if not cocoa.found() and get_option('cocoa').enabled() error('Cocoa not available on this platform') endif @@ -640,17 +718,22 @@ kconfig_external_symbols = [ ] ignored = ['TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_DIRS'] -accel_symbols = [ - 'CONFIG_KVM', - 'CONFIG_HAX', - 'CONFIG_HVF', - 'CONFIG_TCG', - 'CONFIG_WHPX' -] - foreach target : target_dirs config_target = keyval.load(meson.current_build_dir() / target / 'config-target.mak') + have_accel = false + foreach sym: accelerators + if sym == 'CONFIG_TCG' or target in accelerator_targets[sym] + config_target += { sym: 'y' } + config_all += { sym: 'y' } + if sym == 'CONFIG_XEN' and have_xen_pci_passthrough + config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' } + endif + endif + have_accel = true + endforeach + assert(have_accel) + foreach k, v: disassemblers if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k) foreach sym: v @@ -676,11 +759,6 @@ foreach target : target_dirs config_target_data.set(k, v) endif endforeach - foreach sym: accel_symbols - if config_target.has_key(sym) - config_all += { sym: 'y' } - endif - endforeach config_target_h += {target: configure_file(output: target + '-config-target.h', configuration: config_target_data)}