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2016-06-20exec: [tcg] Track which vCPU is performing translation and executionLluís Vilanova1-0/+1
Information is tracked inside the TCGContext structure, and later used by tracing events with the 'tcg' and 'vcpu' properties. The 'cpu' field is used to check tracing of translation-time events ("*_trans"). The 'tcg_env' field is used to pass it to execution-time events ("*_exec"). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 146549350162.18437.3033661139638458143.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-05target-*: dfilter support for in_asmRichard Henderson1-1/+2
The arm target was handled by 06486077, but other targets were ignored. This handles all the rest which actually support disassembly (that is, skipping moxie and tilegx). Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-05-19cpu: move exec-all.h inclusion out of cpu.hPaolo Bonzini1-0/+1
exec-all.h contains TCG-specific definitions. It is not needed outside TCG-specific files such as translate.c, exec.c or *helper.c. One generic function had snuck into include/exec/exec-all.h; move it to include/qom/cpu.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-05-12tcg: Allow goto_tb to any target PC in user modeSergey Fedorov1-6/+12
In user mode, there's only a static address translation, TBs are always invalidated properly and direct jumps are reset when mapping change. Thus the destination address is always valid for direct jumps and there's no need to restrict it to the pages the TB resides in. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Blue Swirl <blauwirbel@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-05-12tcg: Clean up direct block chaining safety checksSergey Fedorov1-1/+1
We don't take care of direct jumps when address mapping changes. Thus we must be sure to generate direct jumps so that they always keep valid even if address mapping changes. Luckily, we can only allow to execute a TB if it was generated from the pages which match with current mapping. Document tcg_gen_goto_tb() declaration and note the reason for destination PC limitations. Some targets with variable length instructions allow TB to straddle a page boundary. However, we make sure that both of TB pages match the current address mapping when looking up TBs. So it is safe to do direct jumps into the both pages. Correct the checks for some of those targets. Given that, we can safely patch a TB which spans two pages. Remove the unnecessary check in cpu_exec() and allow such TBs to be patched. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-03-01tcg: Add type for vCPU pointersLluís Vilanova1-1/+1
Adds the 'TCGv_env' type for pointers to 'CPUArchState' objects. The tracing infrastructure later needs to differentiate between regular pointers and pointers to vCPUs. Also changes all targets to use the new 'TCGv_env' type instead of the generic 'TCGv_ptr'. As of now, the change is merely cosmetic ('TCGv_env' translates into 'TCGv_ptr'), but that could change in the future to enforce the difference. Note that a 'TCGv_env' type (for 'CPUState') is not added, since all helpers currently receive the architecture-specific pointer ('CPUArchState'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Acked-by: Richard Henderson <rth@twiddle.net> Message-id: 145641859552.30295.7821536833590725201.stgit@localhost Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-02-09tcg: Change tcg_global_mem_new_* to take a TCGv_ptrRichard Henderson1-13/+17
Thus, use cpu_env as the parameter, not TCG_AREG0 directly. Update all uses in the translators. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-02-03log: do not unnecessarily include qom/cpu.hPaolo Bonzini1-0/+1
Split the bits that require it to exec/log.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Message-id: 1452174932-28657-8-git-send-email-den@openvz.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-01-29m68k: Clean up includesPeter Maydell1-0/+1
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453832250-766-31-git-send-email-peter.maydell@linaro.org
2015-10-28target-*: Advance pc after recognizing a breakpointRichard Henderson1-0/+5
Some targets already had this within their logic, but make sure it's present for all targets. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07tcg: Remove gen_intermediate_code_pcRichard Henderson1-39/+4
It is no longer used, so tidy up everything reached by it. This includes the gen_opc_* arrays, the search_pc parameter and the inline gen_intermediate_code_internal functions. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07tcg: Pass data argument to restore_state_to_opcRichard Henderson1-2/+3
The gen_opc_* arrays are already redundant with the data stored in the insn_start arguments. Transition restore_state_to_opc to use data from the latter. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07tcg: Add TCG_MAX_INSNSRichard Henderson1-1/+5
Adjust all translators to respect it. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07target-*: Introduce and use cpu_breakpoint_testRichard Henderson1-12/+6
Reduce the boilerplate required for each target. At the same time, move the test for breakpoint after calling tcg_gen_insn_start. Note that arm and aarch64 do not use cpu_breakpoint_test, but still move the inline test down after tcg_gen_insn_start. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07target-*: Increment num_insns immediately after tcg_gen_insn_startRichard Henderson1-2/+2
This does tidy the icount test common to all targets. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07target-*: Unconditionally emit tcg_gen_insn_startRichard Henderson1-5/+5
While we're at it, emit the opcode adjacent to where we currently record data for search_pc. This puts gen_io_start et al on the "correct" side of the marker. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-07tcg: Rename debug_insn_start to insn_startRichard Henderson1-1/+1
With an eye toward making it mandatory. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-08-24tcg: Remove tcg_gen_trunc_i64_i32Richard Henderson1-1/+1
Replacing it with tcg_gen_extrl_i64_i32. Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-06-29m68k: remove useless parameter op_size from gen_lea_indexed()Laurent Vivier1-4/+3
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
2015-06-29m68k: is_mem is uselessLaurent Vivier1-7/+0
Remove is_mem as it is never tested anymore since: commit bfa50bc2638d877cf2900712b7503be22e8811cb Author: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Tue Nov 18 20:26:41 2008 +0000 Remove premature memop TB terminations (Jan Kiszka) Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
2015-06-23Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-06-22' ↵Peter Maydell1-1/+1
into staging Monitor patches # gpg: Signature made Mon Jun 22 18:56:18 2015 BST using RSA key ID EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" * remotes/armbru/tags/pull-monitor-2015-06-22: (24 commits) Include monitor/monitor.h exactly where needed Include qapi/qmp/qerror.h exactly where needed qerror: Move #include out of qerror.h qerror: Finally unused, clean up qmp: Wean off qerror_report() tpm: Avoid qerror_report() outside QMP command handlers qerror: Clean up QERR_ macros to expand into a single string qerror: Eliminate QERR_DEVICE_NOT_FOUND vl: Use error_report() for --display errors vl: Avoid qerror_report() outside QMP command handlers QemuOpts: Wean off qerror_report_err() qdev-monitor: Propagate errors through qdev_device_add() qdev-monitor: Propagate errors through set_property() qdev-monitor: Convert qbus_find() to Error qdev-monitor: Fix check for full bus qdev-monitor: Stop error avalanche in qbus_find_recursive() disas: Remove uses of CPU env monitor: Split mon_get_cpu fn to remove ENV_GET_CPU monitor: Fix failure path for "S" argument monitor: Point to "help" command on syntax error ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-22disas: Remove uses of CPU envPeter Crosthwaite1-1/+1
disas does not need to access the CPU env for any reason. Change the APIs to accept CPU pointers instead. Small change pattern needs to be applied to all target translate.c. This brings us closer to making disas.o a common-obj and less architecture specific in general. Cc: Richard Henderson <rth@twiddle.net> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Michael Walle <michael@walle.cc> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Jia Liu <proljc@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-06-22m68k: implement move to/from usp register instructionGreg Ungerer1-4/+4
Fill out the code support for the move to/from usp instructions. They are being decoded, but there is no code to support there actions. So add it. Current versions of Linux running on the ColdFire 5208 use these instructions. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Tested-by: Laurent Vivier <laurent@vivier.eu> Message-id: 1434721406-25288-3-git-send-email-gerg@uclinux.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13tcg: Change translator-side labels to a pointerRichard Henderson1-4/+4
This is improved type checking for the translators -- it's no longer possible to accidentally swap arguments to the branch functions. Note that the code generating backends still manipulate labels as int. With notable exceptions, the scope of the change is just a few lines for each target, so it's not worth building extra machinery to do this change in per-target increments. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Cc: Michael Walle <michael@walle.cc> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Anthony Green <green@moxielogic.com> Cc: Jia Liu <proljc@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-02-12tcg: Introduce tcg_op_buf_count and tcg_op_buf_fullRichard Henderson1-6/+3
The method by which we count the number of ops emitted is going to change. Abstract that away into some inlines. Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-02-12tcg: Move emit of INDEX_op_end into gen_tb_endRichard Henderson1-1/+0
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-01-03gen-icount: check cflags instead of use_icount globalPaolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-08-12trace: [tcg] Include TCG-tracing header on all targetsLluís Vilanova1-0/+3
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-05softmmu: introduce cpu_ldst.hPaolo Bonzini1-0/+1
This will collect all load and store helpers soon. For now it is just a replacement for softmmu_exec.h, which this patch stops including directly, but we also include it where this will be necessary in order to simplify the next patch. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-05-28tcg: Invert the inclusion of helper.hRichard Henderson1-3/+2
Rather than include helper.h with N values of GEN_HELPER, include a secondary file that sets up the macros to include helper.h. This minimizes the files that must be rebuilt when changing the macros for file N. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-13exec: Change cpu_abort() argument to CPUStateAndreas Färber1-4/+12
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move breakpoints field from CPU_COMMON to CPUStateAndreas Färber1-2/+2
Most targets were using offsetof(CPUFooState, breakpoints) to determine how much of CPUFooState to clear on reset. Use the next field after CPU_COMMON instead, if any, or sizeof(CPUFooState) otherwise. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move exception_index field from CPU_COMMON to CPUStateAndreas Färber1-0/+5
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-m68k: Remove custom qemu_assert() functionPeter Maydell1-19/+9
Remove the custom qemu_assert() function defined by target-m68k/translate.c in favour of either using glib g_assert_not_reached() (for the genuinely can't-happen cases) or cpu_abort() (for the "this isn't implemented", in line with other unimplemented cases in the target). This has the benefit of silencing some clang warnings about variables used while uninitialized (which are emitted because clang can't figure out that qemu_assert(0, something) never returns. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-10-10tcg: Move helper registration into tcg_context_initRichard Henderson1-3/+0
No longer needs to be done on a per-target basis. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-10-10target-m68k: Rename helpers.h to helper.hRichard Henderson1-3/+3
This brings the m68k target in line with all other targets. Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-02tcg: Change tcg_gen_exit_tb argument to uintptr_tRichard Henderson1-1/+1
And update all users. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-07-23cpu: Move singlestep_enabled field from CPU_COMMON to CPUStateAndreas Färber1-3/+4
Prepares for changing cpu_single_step() argument to CPUState. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-09target-m68k: Change gen_intermediate_code_internal() argument to M68kCPUAndreas Färber1-4/+5
Also use bool type while at it. Prepares for moving singlestep_enabled field to CPUState. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-06-28cpu: Turn cpu_dump_{state,statistics}() into CPUState hooksAndreas Färber1-2/+4
Make cpustats monitor command available unconditionally. Prepares for changing kvm_handle_internal_error() and kvm_cpu_exec() arguments to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-03-12cpu: Move halted and interrupt_request fields to CPUStateAndreas Färber1-1/+7
Both fields are used in VMState, thus need to be moved together. Explicitly zero them on reset since they were located before breakpoints. Pass PowerPCCPU to kvmppc_handle_halt(). Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-03-03gen-icount.h: Rename gen_icount_start/end to gen_tb_start/endPeter Maydell1-2/+2
The gen_icount_start/end functions are now somewhat misnamed since they are useful for generic "start/end of TB" code, used for more than just icount. Rename them to gen_tb_start/end. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-02-06target-m68k: Fix commentStefan Weil1-1/+1
* spelling fix ito -> into * reorder to match load/store Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-12-19misc: move include files to include/qemu/Paolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19exec: move include files to include/exec/Paolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19build: kill libdis, move disassemblers to disas/Paolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-08TCG: Use gen_opc_instr_start from context instead of global variable.Evgeny Voevodin1-3/+3
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Use gen_opc_icount from context instead of global variable.Evgeny Voevodin1-1/+1
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-12-08TCG: Use gen_opc_pc from context instead of global variable.Evgeny Voevodin1-2/+2
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-11-17TCG: Use gen_opc_buf from context instead of global variable.Evgeny Voevodin1-3/+3
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>