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75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* Accelerator OPS, used for cpus.c module
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*
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* Copyright 2021 SUSE LLC
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef ACCEL_OPS_H
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#define ACCEL_OPS_H
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#include "exec/cpu-common.h"
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#include "qom/object.h"
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#define ACCEL_OPS_SUFFIX "-ops"
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#define TYPE_ACCEL_OPS "accel" ACCEL_OPS_SUFFIX
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#define ACCEL_OPS_NAME(name) (name "-" TYPE_ACCEL_OPS)
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typedef struct AccelOpsClass AccelOpsClass;
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DECLARE_CLASS_CHECKERS(AccelOpsClass, ACCEL_OPS, TYPE_ACCEL_OPS)
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/**
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* struct AccelOpsClass - accelerator interfaces
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*
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* This structure is used to abstract accelerator differences from the
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* core CPU code. Not all have to be implemented.
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*/
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struct AccelOpsClass {
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/*< private >*/
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ObjectClass parent_class;
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/*< public >*/
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/* initialization function called when accel is chosen */
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void (*ops_init)(AccelOpsClass *ops);
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bool (*cpus_are_resettable)(void);
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void (*cpu_reset_hold)(CPUState *cpu);
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void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */
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void (*kick_vcpu_thread)(CPUState *cpu);
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bool (*cpu_thread_is_idle)(CPUState *cpu);
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void (*synchronize_post_reset)(CPUState *cpu);
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void (*synchronize_post_init)(CPUState *cpu);
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void (*synchronize_state)(CPUState *cpu);
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void (*synchronize_pre_loadvm)(CPUState *cpu);
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void (*synchronize_pre_resume)(bool step_pending);
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void (*handle_interrupt)(CPUState *cpu, int mask);
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/**
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* @get_virtual_clock: fetch virtual clock
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* @set_virtual_clock: set virtual clock
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*
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* These allow the timer subsystem to defer to the accelerator to
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* fetch time. The set function is needed if the accelerator wants
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* to track the changes to time as the timer is warped through
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* various timer events.
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*/
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int64_t (*get_virtual_clock)(void);
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void (*set_virtual_clock)(int64_t time);
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int64_t (*get_elapsed_ticks)(void);
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/* gdbstub hooks */
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bool (*supports_guest_debug)(void);
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int (*update_guest_debug)(CPUState *cpu);
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int (*insert_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
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int (*remove_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
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void (*remove_all_breakpoints)(CPUState *cpu);
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};
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#endif /* ACCEL_OPS_H */
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