Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/*
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* QEMU TCG CPU loop API
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef ACCEL_TCG_CPU_LOOP_COMMON_H
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#define ACCEL_TCG_CPU_LOOP_COMMON_H
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#ifndef CONFIG_TCG
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#error Can only include this header with TCG
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#endif
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/**
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* cpu_exec:
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* @cpu: the cpu context
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*
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* Returns one of the EXCP_* definitions (see "exec/cpu-common.h").
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*/
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int cpu_exec(CPUState *cpu);
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void cpu_exec_step_atomic(CPUState *cpu);
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/**
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* cpu_unwind_state_data:
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* @cpu: the cpu context
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* @host_pc: the host pc within the translation
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* @data: output data
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*
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* Attempt to load the unwind state for a host pc occurring in
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* translated code. If @host_pc is not in translated code, the
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* function returns false; otherwise @data is loaded.
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* This is the same unwind info as given to restore_state_to_opc.
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*/
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bool cpu_unwind_state_data(CPUState *cpu, uintptr_t host_pc, uint64_t *data);
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/**
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* cpu_restore_state:
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* @cpu: the cpu context
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* @host_pc: the host pc within the translation
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* @return: true if state was restored, false otherwise
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*
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* Attempt to restore the state for a fault occurring in translated
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* code. If @host_pc is not in translated code no state is
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* restored and the function returns false.
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*/
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bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc);
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/**
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* cpu_loop_exit_noexc:
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* @cpu: the cpu context
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*
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* Exit the current TB, but without causing any exception to be raised.
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*/
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G_NORETURN void cpu_loop_exit_noexc(CPUState *cpu);
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/**
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* cpu_loop_exit_restore:
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* @cpu: the cpu context
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* @host_pc: the host pc within the translation
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*
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* Attempt to restore the state for a fault occurring in translated
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* code. If @host_pc is not in translated code no state is
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* restored. Finally, exit the current TB.
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*/
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G_NORETURN void cpu_loop_exit_restore(CPUState *cpu, uintptr_t host_pc);
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G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t host_pc);
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/**
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* cpu_loop_exit:
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* @cpu: the cpu context
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*
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* Exit the current TB.
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*/
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G_NORETURN void cpu_loop_exit(CPUState *cpu);
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#endif
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