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2023-02-27gdbstub: Use vaddr type for generic insert/remove_breakpoint() APIPhilippe Mathieu-Daudé
Both insert/remove_breakpoint() handlers are used in system and user emulation. We can not use the 'hwaddr' type on user emulation, we have to use 'vaddr' which is defined as "wide enough to contain any #target_ulong virtual address". gdbstub.c doesn't require to include "exec/hwaddr.h" anymore. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Fabiano Rosas <farosas@suse.de> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221216215519.5522-4-philmd@linaro.org>
2022-10-06gdbstub: move guest debug support check to opsAlex Bennée
This removes the final hard coding of kvm_enabled() in gdbstub and moves the check to an AccelOps. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>
2022-10-06gdbstub: move breakpoint logic to accel opsAlex Bennée
As HW virtualization requires specific support to handle breakpoints lets push out special casing out of the core gdbstub code and into AccelOpsClass. This will make it easier to add other accelerator support and reduces some of the stub shenanigans. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-45-alex.bennee@linaro.org>
2021-02-05accel: replace struct CpusAccel with AccelOpsClassClaudio Fontana
This will allow us to centralize the registration of the cpus.c module accelerator operations (in accel/accel-softmmu.c), and trigger it automatically using object hierarchy lookup from the new accel_init_interfaces() initialization step, depending just on which accelerators are available in the code. Rename all tcg-cpus.c, kvm-cpus.c, etc to tcg-accel-ops.c, kvm-accel-ops.c, etc, matching the object type names. Signed-off-by: Claudio Fontana <cfontana@suse.de> Message-Id: <20210204163931.7358-18-cfontana@suse.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-10-05kvm: kvm_init_vcpu take Error pointerDr. David Alan Gilbert
Clean up the error handling in kvm_init_vcpu so we can see what went wrong more easily. Make it take an Error ** and fill it out with what failed, including the cpu id, so you can tell if it only fails at a given ID. Replace the remaining DPRINTF by a trace. This turns a: kvm_init_vcpu failed: Invalid argument into: kvm_init_vcpu: kvm_get_vcpu failed (256): Invalid argument and with the trace you then get to see: 19049@1595520414.310107:kvm_init_vcpu index: 169 id: 212 19050@1595520414.310635:kvm_init_vcpu index: 170 id: 256 qemu-system-x86_64: kvm_init_vcpu: kvm_get_vcpu failed (256): Invalid argument which makes stuff a lot more obvious. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200723160915.129069-1-dgilbert@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-05kvm: remove kvm specific functions from global includesClaudio Fontana
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-05cpus: extract out kvm-specific code to accel/kvmClaudio Fontana
register a "CpusAccel" interface for KVM as well. Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> [added const] Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>