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2021-07-09target/hppa: Use translator_use_goto_tbRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/cris: Use translator_use_goto_tbRichard Henderson
The test for singlestepping is done in translator_use_goto_tb, so we may elide it from cris_tr_tb_stop. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/avr: Mark some helpers noreturnRichard Henderson
All of these helpers end with cpu_loop_exit. Reviewed-by: Michael Rolnik <mrolnik@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/avr: Use translator_use_goto_tbRichard Henderson
Single stepping is not the only reason not to use goto_tb. If goto_tb is disallowed, and single-stepping is not enabled, then use tcg_gen_lookup_and_goto_tb to indirectly chain. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/arm: Use translator_use_goto_tb for aarch32Richard Henderson
Just use translator_use_goto_tb directly at the one call site, rather than maintaining a local wrapper. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/arm: Use translator_use_goto_tb for aarch64Richard Henderson
We have not needed to end a TB for I/O since ba3e7926691 ("icount: clean up cpu_can_io at the entry to the block"), and gdbstub singlestep is handled by the generic function. Drop the unused 'n' argument to use_goto_tb. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/arm: Use DISAS_TOO_MANY for ISB and SBRichard Henderson
Using gen_goto_tb directly misses the single-step check. Let the branch or debug exception be emitted by arm_tr_tb_stop. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/alpha: Use translator_use_goto_tbRichard Henderson
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/alpha: Remove in_superpageRichard Henderson
The number of links across (normal) pages using this is low, and it will shortly violate the contract for breakpoints. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09target/alpha: Remove use_exit_tbRichard Henderson
We have not needed to end a TB for I/O since ba3e7926691 ("icount: clean up cpu_can_io at the entry to the block"). We do not need to use exit_tb for singlestep, which only means generate one insn per TB. Which leaves only singlestep_enabled, which means raise a debug trap after every TB, which does not use exit_tb, which would leave the function mis-named. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09accel/tcg: Introduce translator_use_goto_tbRichard Henderson
Add a generic version of the common use_goto_tb test. Various targets avoid the page crossing test for CONFIG_USER_ONLY, but that is wrong: mmap and mprotect can change page permissions. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09tcg: Move tb_phys_invalidate_count to tb_ctxRichard Henderson
We can call do_tb_phys_invalidate from an iocontext, which has no per-thread tcg_ctx. Move this to tb_ctx, which is global. The actual update still takes place with a lock held, so only an atomic set is required, not an atomic increment. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/457 Tested-by: Viktor Ashirov <vashirov@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09tcg: Bake tb_destroy() into tcg_region_treeLiren Wei
The function is called only at tcg_gen_code() when duplicated TBs are translated by different threads, and when the tcg_region_tree is reset. Bake it into the underlying GTree as its value destroy function to unite these situations. Also remove tcg_region_tree_traverse() which now becomes useless. Signed-off-by: Liren Wei <lrwei@bupt.edu.cn> Message-Id: <8dc352f08d038c4e7a1f5f56962398cdc700c3aa.1625404483.git.lrwei@bupt.edu.cn> [rth: Name the new tb_tc_cmp parameter correctly.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09accel/tcg: Hoist tcg_tb_insert() up above tb_link_page()Liren Wei
TranslationBlocks not inserted into the corresponding region tree shall be regarded as partially initialized objects, and needs to be finalized first before inserting into QHT. Signed-off-by: Liren Wei <lrwei@bupt.edu.cn> Message-Id: <f9fc263f71e11b6308d8c1fbc0dd366bf4aeb532.1625404483.git.lrwei@bupt.edu.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09tcg: Avoid including 'trace-tcg.h' in target translate.cPhilippe Mathieu-Daudé
The root trace-events only declares a single TCG event: $ git grep -w tcg trace-events trace-events:115:# tcg/tcg-op.c trace-events:137:vcpu tcg guest_mem_before(TCGv vaddr, uint16_t info) "info=%d", "vaddr=0x%016"PRIx64" info=%d" and only a tcg/tcg-op.c uses it: $ git grep -l trace_guest_mem_before_tcg tcg/tcg-op.c therefore it is pointless to include "trace-tcg.h" in each target (because it is not used). Remove it. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210629050935.2570721-1-f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09tcg: Add separator in INDEX_op_call dumpRichard Henderson
We lost the ',' following the called function name. Fixes: 3e92aa34434 Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09meson: Use input/output for entitlements targetAkihiko Odaki
input/output parameters respect dependencies. Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com> Message-Id: <20210709012533.58262-1-akihiko.odaki@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09configure: allow the selection of alternate config in the buildAlex Bennée
While the default config works well enough it does end up enabling a lot of stuff. For more minimal builds we can select a different list of devices and let Kconfig work out what we want. For example: ../../configure --without-default-features \ --target-list=arm-softmmu,aarch64-softmmu \ --with-devices-aarch64=minimal will override the aarch64-softmmu default set of devices with a more minimal set of devices that just enables the virt and sbsa-ref models. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210707131744.26027-6-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09configs: rename default-configs to configs and reorganiseAlex Bennée
In preparation for offering variation to our build configurations lets move everything and rename it to default. Common included base configs are also renamed. During the cleanup the stale usb.mak and pci.mak references were removed from MAINTAINERS. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210707131744.26027-5-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09hw/arm: move CONFIG_V7M out of default-devicesAlex Bennée
We currently select CONFIG_V7M for a bunch of our m-profile devices. The last sticking point is translate.c which cannot be compiled without expecting v7m support. Express this dependency in Kconfig rather than in default devices as a stepping stone to a fully configurable translate.c. While we are at it we also need to select ARM_COMPATIBLE_SEMIHOSTING as that is implied for M profile machines. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210707131744.26027-4-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09hw/arm: add dependency on OR_IRQ for XLNX_VERSALAlex Bennée
We need this functionality due to: /* XRAM IRQs get ORed into a single line. */ object_initialize_child(OBJECT(s), "xram-irq-orgate", &s->lpd.xram.irq_orgate, TYPE_OR_IRQ); Fixes: a55b441b2ca ("hw/arm: versal: Add support for the XRAMs") Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210707131744.26027-3-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09meson: Introduce target-specific KconfigPhilippe Mathieu-Daudé
Add a target-specific Kconfig. We need the definitions in Kconfig so the minikconf tool can verify they exits. However CONFIG_FOO is only enabled for target foo via the meson.build rules. Two architecture have a particularity, ARM and MIPS. As their translators have been split you can potentially build a plain 32 bit build along with a 64-bit version including the 32-bit subset. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210131111316.232778-6-f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210707131744.26027-2-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09meson: switch function tests from compilation to linkingPaolo Bonzini
Some tests for glibc functions cause compilation to emit warnings but still succeed even if the function is not there. Therefore, change from cc.compiles to cc.links. Reported-by: Richard Zak <richard.j.zak@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09vl: fix leak of qdict_crumple return valuePaolo Bonzini
Coverity reports that qemu_parse_config_group is returning without unrefing the "crumpled" dictionary in case its top level item is a list. But actually the contract with qemu_record_config_group is the same as for qemu_parse_config_group itself: if those function need to stash the dictionary they get, they have to take a reference themselves (currently this is never the case for either function). Therefore, just add an unconditional qobject_unref(crumpled) to qemu_parse_config_group. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09target/i386: fix exceptions for MOV to DRPaolo Bonzini
Use raise_exception_ra (without error code) when raising the illegal opcode operation; raise #GP when setting bits 63:32 of DR6 or DR7. Move helper_get_dr to sysemu/ since it is a privileged instruction that is not needed on user-mode emulators. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09target/i386: Added DR6 and DR7 consistency checksLara Lazier
DR6[63:32] and DR7[63:32] are reserved and need to be zero. (AMD64 Architecture Programmer's Manual, V2, 15.5) Signed-off-by: Lara Lazier <laramglazier@gmail.com> Message-Id: <20210705081802.18960-3-laramglazier@gmail.com> [Ignore for 32-bit builds. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09target/i386: Added MSRPM and IOPM size checkLara Lazier
The address of the last entry in the MSRPM and in the IOPM must be smaller than the largest physical address. (APM2 15.10-15.11) Signed-off-by: Lara Lazier <laramglazier@gmail.com> Message-Id: <20210705081802.18960-2-laramglazier@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09monitor/tcg: move tcg hmp commands to accel/tcg, register them dynamicallyGerd Hoffmann
One more little step towards modular tcg ... Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-35-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09usb: build usb-host as moduleGerd Hoffmann
Drop one more shared library dependency (libusb) from core qemu. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-34-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09monitor/usb: register 'info usbhost' dynamicallyGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-33-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09usb: drop usb_host_dev_is_scsi_storage hookGerd Hoffmann
Introduce an usb device flag instead, set it when usb-host looks at the device descriptors anyway. Also set it for emulated storage devices, for consistency. Add an inline helper function to check the flag. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-32-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09monitor: allow register hmp commandsGerd Hoffmann
Allow commands having a NULL cmd pointer, add a function to set the pointer later. Use case: allow modules implement hmp commands. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-31-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09accel: build tcg modularGerd Hoffmann
Build tcg accel ops as module. Which is only a small fraction of tcg. Also only x86 for now. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-30-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09accel: add tcg module annotationsGerd Hoffmann
Add module annotations for tcg so autoloading works. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-29-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09accel: build qtest modularGerd Hoffmann
Allow building accelerators as module. Start with qtest as first user. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-28-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09accel: add qtest module annotationsGerd Hoffmann
Add module annotations for qtest so autoloading works. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-27-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09accel: autoload modulesGerd Hoffmann
Call module_object_class_by_name() instead of object_class_by_name() for objects possibly implemented as module Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-26-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: hook up modules.h to docs buildGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-25-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add module_obj() note to QOM docsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-23-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add documentation for module sourcesetsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-22-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: target-specific module build infrastructureGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-21-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: check arch on qom lookupGerd Hoffmann
With target-specific modules we can have multiple modules implementing the same object. Therefore we have to check the target arch on lookup to find the correct module. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-20-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: check arch and block load on mismatchGerd Hoffmann
Add module_allow_arch() to set the target architecture. In case a module is limited to some arch verify arches match and ignore the module if not. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-19-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add tracepointsGerd Hoffmann
One for module load and one for qom type lookup. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-18-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: use modinfo for qemu opts loadGerd Hoffmann
Use module database to figure which module adds given QemuOpts group. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-17-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: use modinfo for qom loadGerd Hoffmann
Use module database to figure which module implements a given QOM type. Drop hard-coded object list. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-16-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: use modinfo for dependenciesGerd Hoffmann
Use module database for module dependencies. Drop hard-coded dependency list. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-15-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add block module annotationsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-14-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add s390x module annotationsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-13-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09modules: add ui module annotationsGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-12-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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