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3b7a93880a
The support of single-stepping is very much dependent on support from the accelerator we are using. To avoid special casing in gdbstub move the probing out to an AccelClass function so future accelerators can put their code there. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> 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: <20220929114231.583801-44-alex.bennee@linaro.org>
108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/* QEMU accelerator interfaces
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*
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* Copyright (c) 2014 Red Hat Inc
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef QEMU_ACCEL_H
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#define QEMU_ACCEL_H
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#include "qom/object.h"
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#include "exec/hwaddr.h"
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typedef struct AccelState {
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/*< private >*/
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Object parent_obj;
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} AccelState;
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typedef struct AccelClass {
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/*< private >*/
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ObjectClass parent_class;
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/*< public >*/
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const char *name;
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int (*init_machine)(MachineState *ms);
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#ifndef CONFIG_USER_ONLY
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void (*setup_post)(MachineState *ms, AccelState *accel);
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bool (*has_memory)(MachineState *ms, AddressSpace *as,
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hwaddr start_addr, hwaddr size);
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#endif
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/* gdbstub related hooks */
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int (*gdbstub_supported_sstep_flags)(void);
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bool *allowed;
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/*
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* Array of global properties that would be applied when specific
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* accelerator is chosen. It works like MachineClass.compat_props
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* but it's for accelerators not machines. Accelerator-provided
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* global properties may be overridden by machine-type
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* compat_props or user-provided global properties.
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*/
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GPtrArray *compat_props;
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} AccelClass;
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#define TYPE_ACCEL "accel"
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#define ACCEL_CLASS_SUFFIX "-" TYPE_ACCEL
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#define ACCEL_CLASS_NAME(a) (a ACCEL_CLASS_SUFFIX)
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#define ACCEL_CLASS(klass) \
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OBJECT_CLASS_CHECK(AccelClass, (klass), TYPE_ACCEL)
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#define ACCEL(obj) \
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OBJECT_CHECK(AccelState, (obj), TYPE_ACCEL)
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#define ACCEL_GET_CLASS(obj) \
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OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL)
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AccelClass *accel_find(const char *opt_name);
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AccelState *current_accel(void);
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const char *current_accel_name(void);
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void accel_init_interfaces(AccelClass *ac);
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#ifndef CONFIG_USER_ONLY
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int accel_init_machine(AccelState *accel, MachineState *ms);
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/* Called just before os_setup_post (ie just before drop OS privs) */
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void accel_setup_post(MachineState *ms);
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#endif /* !CONFIG_USER_ONLY */
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/**
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* accel_cpu_instance_init:
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* @cpu: The CPU that needs to do accel-specific object initializations.
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*/
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void accel_cpu_instance_init(CPUState *cpu);
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/**
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* accel_cpu_realizefn:
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* @cpu: The CPU that needs to call accel-specific cpu realization.
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* @errp: currently unused.
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*/
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bool accel_cpu_realizefn(CPUState *cpu, Error **errp);
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/**
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* accel_supported_gdbstub_sstep_flags:
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*
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* Returns the supported single step modes for the configured
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* accelerator.
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*/
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int accel_supported_gdbstub_sstep_flags(void);
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#endif /* QEMU_ACCEL_H */
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