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* cpu: Turn cpu_has_work() into a CPUClass hookAndreas Färber2014-03-132-5/+6
| | | | | | | | | Default to false. Tidy variable naming and inline cast uses while at it. Tested-by: Jia Liu <proljc@gmail.com> (or32) Signed-off-by: Andreas Färber <afaerber@suse.de>
* cris: Add interrupt signals to the CPU deviceEdgar E. Iglesias2014-02-032-0/+24
| | | | | Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
* cris: Abort when a v10 takes interrupts while in a delayslotEdgar E. Iglesias2014-02-031-0/+5
| | | | | | | This is an internal error as the CRISv10 should mask interrupts while executing delay slots. Bail out sooner rather than later. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
* cris: Add "any" as alias for "crisv32" in user emulationEdgar E. Iglesias2014-02-031-0/+6
| | | | | Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
* target-cris: Use new qemu_ld/st opcodesRichard Henderson2013-12-081-25/+4Star
| | | | | | | | | | Using the new opcodes we can reduce if/else trees to a single statement. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
* tcg: Remove stray semi-colons from target-*/helper.hRichard Henderson2013-10-101-4/+4
| | | | | | | | | | | | | | | During GEN_HELPER=1, these are actually stray top-level semi-colons which are technically invalid ISO C, but GCC accepts as an extension. If we added enough __extension__ markers that we could dare use -Wpedantic, we'd see warning: ISO C does not allow extra ‘;’ outside of a function This will become a hard error in the next patch, wherein those ; will appear in the middle of a data structure. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
* tcg: Move helper registration into tcg_context_initRichard Henderson2013-10-101-3/+0Star
| | | | | | No longer needs to be done on a per-target basis. Signed-off-by: Richard Henderson <rth@twiddle.net>
* tcg: Change tcg_gen_exit_tb argument to uintptr_tRichard Henderson2013-09-021-1/+1
| | | | | | | And update all users. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
* cpu: Partially revert "cpu: Change qemu_init_vcpu() argument to CPUState"Andreas Färber2013-07-291-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit c643bed99 moved qemu_init_vcpu() calls to common CPUState code. This causes x86 cpu-add to fail with "KVM: setting VAPIC address failed". The reason for the failure is that CPUClass::kvm_fd is not yet initialized in the following call graph: ->x86_cpu_realizefn ->x86_cpu_apic_realize ->qdev_init ->device_set_realized ->device_reset (hotplugged == 1) ->apic_reset_common ->vapic_base_update ->kvm_apic_vapic_base_update This causes attempted KVM vCPU ioctls to fail. By contrast, in the non-hotplug case the APIC is reset much later, when the vCPU is already initialized. As a quick and safe solution, move the qemu_init_vcpu() call back into the targets' realize functions. Reported-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Acked-by: Igor Mammedov <imammedo@redhat.com> (for i386) Tested-by: Jia Liu <proljc@gmail.com> (for openrisc) Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Factor out CPUClass::gdb_read_register() hook for v10Andreas Färber2013-07-273-6/+9
| | | | Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Introduce CPUClass::gdb_{read,write}_register()Andreas Färber2013-07-274-2/+15
| | | | | | | | Completes migration of target-specific code to new target-*/gdbstub.c. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
* gdbstub: Replace GET_REG*() macros with gdb_get_reg*() functionsAndreas Färber2013-07-271-15/+15
| | | | | | | | | | | | | This avoids polluting the global namespace with a non-prefixed macro and makes it obvious in the call sites that we return. Semi-automatic conversion using, e.g., sed -i 's/GET_REGL(/return gdb_get_regl(mem_buf, /g' target-*/gdbstub.c followed by manual tweaking for sparc's GET_REGA() and Coding Style. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Move cpu_gdb_{read,write}_register()Andreas Färber2013-07-271-0/+125
| | | | Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Introduce CPUState::gdb_num_regs and CPUClass::gdb_num_core_regsAndreas Färber2013-07-261-0/+2
| | | | | | | | | | | | | CPUState::gdb_num_regs replaces num_g_regs. CPUClass::gdb_num_core_regs replaces NUM_CORE_REGS. Allows building gdb_register_coprocessor() for xtensa, too. As a side effect this should fix coprocessor register numbering for SMP. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Turn cpu_get_phys_page_debug() into a CPUClass hookAndreas Färber2013-07-233-3/+9
| | | | | | | | | | | | Change breakpoint_invalidate() argument to CPUState alongside. Since all targets now assign a softmmu-only field, we can drop helpers cpu_class_set_{do_unassigned_access,vmsd}() and device_class_set_vmsd(). Prepares for changing cpu_memory_rw_debug() argument to CPUState. Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Move singlestep_enabled field from CPU_COMMON to CPUStateAndreas Färber2013-07-231-3/+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>
* cpu: Introduce CPUClass::synchronize_from_tb() for cpu_pc_from_tb()Andreas Färber2013-07-231-4/+0Star
| | | | | | | Where no extra implementation is needed, fall back to CPUClass::set_pc(). Acked-by: Michael Walle <michael@walle.cc> (for lm32) Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Introduce CPUClass::set_pc() for gdb_set_cpu_pc()Andreas Färber2013-07-231-0/+8
| | | | | | | This moves setting the Program Counter from gdbstub into target code. Use vaddr type as upper-bound replacement for target_ulong. Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Move reset logging to CPUStateAndreas Färber2013-07-091-5/+0Star
| | | | | | | | | | | x86 was using additional CPU_DUMP_* flags, so make that configurable in CPUClass::reset_dump_flags. This adds reset logging for alpha, unicore32 and xtensa. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* log: Change log_cpu_state[_mask]() argument to CPUStateAndreas Färber2013-07-091-1/+1
| | | | | | | | | | | | | | | | Since commit 878096eeb278a8ac1ccd6667af73e026f29b4cf5 (cpu: Turn cpu_dump_{state,statistics}() into CPUState hooks) CPUArchState is no longer needed. Add documentation and make the functions available through qemu/log.h outside NEED_CPU_H to allow use in qom/cpu.c. Moving them to qom/cpu.h was not yet possible due to convoluted include paths, so that some devices grow an implicit and unneeded dependency on qom/cpu.h for now. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Reviewed-by: Richard Henderson <rth@twiddle.net> [AF: Simplified mb_cpu_do_interrupt() and do_interrupt_all() changes] Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Change gen_intermediate_code_internal() argument to CRISCPUAndreas Färber2013-07-091-4/+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>
* target-cris: gen_intermediate_code_internal() should be inlinedAndreas Färber2013-07-091-1/+1
| | | | | | | Cc: qemu-stable@nongnu.org Reported-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Drop unnecessary dynamic casts in *_env_get_cpu()Andreas Färber2013-07-091-1/+1
| | | | | | | | | | | | | | | | | A transition from CPUFooState to FooCPU can be considered safe, just like FooCPU::env access in the opposite direction. The only benefit of the FOO_CPU() casts would be protection against bogus CPUFooState pointers, but then surrounding code would likely break, too. This should slightly improve interrupt etc. performance when going from CPUFooState to FooCPU. For any additional CPU() casts see 3556c233d931ad5ffa46a35cb25cfc057732ebb8 (qom: allow turning cast debugging off). Reported-by: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* linux-user: Move cpu_clone_regs() and cpu_set_tls() into linux-userPeter Maydell2013-07-091-14/+0Star
| | | | | | | | | | | | | The functions cpu_clone_regs() and cpu_set_tls() are not purely CPU related -- they are specific to the TLS ABI for a a particular OS. Move them into the linux-user/ tree where they belong. target-lm32 had entirely unused implementations, since it has no linux-user target; just drop them. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Change qemu_init_vcpu() argument to CPUStateAndreas Färber2013-06-281-1/+0Star
| | | | | | | | This allows to move the call into CPUState's realizefn. Therefore move the stub into libqemustub.a. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Turn cpu_dump_{state,statistics}() into CPUState hooksAndreas Färber2013-06-284-3/+11
| | | | | | | | | 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>
* target-cris: Override do_interrupt for pre-v32 CPU coresAndreas Färber2013-04-163-6/+17
| | | | | | | | | Instead of forwarding from cris_cpu_do_interrupt() to do_interruptv10(), override CPUClass::do_interrupt with crisv10_cpu_do_interrupt() in the newly introduced class_init functions. Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Replace do_interrupt() by CPUClass::do_interrupt methodAndreas Färber2013-03-124-4/+10
| | | | | | | | | | This removes a global per-target function and thus takes us one step closer to compiling multiple targets into one executable. It will also allow to override the interrupt handling for certain CPU families. Signed-off-by: Andreas Färber <afaerber@suse.de>
* cpu: Move halted and interrupt_request fields to CPUStateAndreas Färber2013-03-123-7/+9
| | | | | | | | | | 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>
* target-cris/helper.c: Update Coding StyleAndreas Färber2013-03-121-197/+196Star
| | | | | | | | | | | Reindent, add missing braces and drop/adjust whitespace. Prepares for CPUArchState-to-CPUState field movements in cpu_cris_handle_mmu_fault(), do_interruptv10() and do_interrupt(). The remaining functions were so minor that they can be fixed in one go. Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* gen-icount.h: Rename gen_icount_start/end to gen_tb_start/endPeter Maydell2013-03-031-2/+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>
* cpu: Introduce ENV_OFFSET macrosAndreas Färber2013-03-031-0/+1
| | | | | | | | | | | | Introduce ENV_OFFSET macros which can be used in non-target-specific code that needs to generate TCG instructions which reference CPUState fields given the cpu_env register that TCG targets set up with a pointer to the CPUArchState struct. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* target-cris: Use mul*2 in mul* insnsRichard Henderson2013-02-231-42/+2Star
| | | | | | Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* qemu-log: Remove qemu_log_try_set_file() and its usersPeter Maydell2013-02-231-2/+0Star
| | | | | | | | | | | | | | | | | Remove the function qemu_log_try_set_file() and its users (which are all in TCG code generation functions for various targets). This function was added to abstract out code which was originally written as "if (!logfile) logfile = stderr;" in order that BUG: case code which did an unguarded "fprintf(logfile, ...)" would not crash if debug logging was not enabled. Since those direct uses of logfile have also been abstracted away into qemu_log() calls which check for a NULL logfile, there is no need for the target-* files to mess with the user's chosen logging settings. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Acked-by: Michael Walle <michael@walle.cc> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* cpu: Add CPUArchState pointer to CPUStateAndreas Färber2013-02-161-0/+2
| | | | | | | | | | | | The target-specific ENV_GET_CPU() macros have allowed us to navigate from CPUArchState to CPUState. The reverse direction was not supported. Avoid introducing CPU_GET_ENV() macros by initializing an untyped pointer that is initialized in derived instance_init functions. The field may not be called "env" due to it being poisoned. Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Introduce CRISCPU subclassesAndreas Färber2013-02-163-49/+155
| | | | | | | | | | | | | Use class_init functions to initialize the VR in preparation for overriding v32+ behavior there. Move cpu_cris_init() to cpu.c and hook up a class_by_name callback. This change leads to unknown -cpu model names no longer falling back to a CPU with VR 32 but instead returning NULL. Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Move TCG initialization to CRISCPU initfnAndreas Färber2013-02-164-18/+19
| | | | | | | | Split out TCG initialization from cpu_cris_init(). Avoid CPUCRISState dependency for v10-specific initialization and for non-v10 by inlining the decision into the initfn as well. Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Introduce QOM realizefn for CRISCPUAndreas Färber2013-02-163-2/+18
| | | | | | | Introduce realizefn and set realized = true from cpu_cris_init(). Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* target-cris: Build fix for debug outputAndreas Färber2013-02-041-1/+1
| | | | | | | | | Around r3361 (81fdc5f8d2d681da8d255baf0713144f8656bac9) env->debug1 used to contain the address of an MMU fault. This is now written into env->pregs[PR_EDA] instead. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
* target-cris: Fix typo in D_LOG() macroAndreas Färber2013-01-242-2/+2
| | | | | | | | | | | It's __VA_ARGS__. Fixes the build with CRIS_[OP_]HELPER_DEBUG defined. Broken since r6338 / 93fcfe39a0383377e647b821c9f165fd927cd4e0 (Convert references to logfile/loglevel to use qemu_log*() macros). Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
* target-cris: Drop unused cpu_cris_close() prototypeAndreas Färber2013-01-211-1/+0Star
| | | | | | | Such a function never existed. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
* cpu: Move cpu_index field to CPUStateAndreas Färber2013-01-151-1/+1
| | | | | | | | | | | | | Note that target-alpha accesses this field from TCG, now using a negative offset. Therefore the field is placed last in CPUState. Pass PowerPCCPU to [kvm]ppc_fixup_cpu() to facilitate this change. Move common parts of mips cpu_state_reset() to mips_cpu_reset(). Acked-by: Richard Henderson <rth@twiddle.net> (for alpha) [AF: Rebased onto ppc CPU subclasses and openpic changes] Signed-off-by: Andreas Färber <afaerber@suse.de>
* misc: move include files to include/qemu/Paolo Bonzini2012-12-192-2/+2
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qom: move include files to include/qom/Paolo Bonzini2012-12-191-1/+1
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* exec: move include files to include/exec/Paolo Bonzini2012-12-194-11/+11
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* janitor: add guards to headersPaolo Bonzini2012-12-191-0/+4
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* build: kill libdis, move disassemblers to disas/Paolo Bonzini2012-12-191-1/+1
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* exec: refactor cpu_restore_stateBlue Swirl2012-12-161-7/+1Star
| | | | | | | | Refactor common code around calls to cpu_restore_state(). tb_find_pc() has now no external users, make it static. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* TCG: Use gen_opc_instr_start from context instead of global variable.Evgeny Voevodin2012-12-081-3/+3
| | | | | Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* TCG: Use gen_opc_icount from context instead of global variable.Evgeny Voevodin2012-12-081-1/+1
| | | | | Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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