The timebase-frequency of guest OS should be the same with host machine. The timebase-frequency value in DTS should be got from hypervisor when using KVM acceleration. Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> Message-ID: <20240314061510.9800-1-yongxuan.wang@sifive.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
		
			
				
	
	
		
			34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
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			34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QEMU KVM support -- RISC-V specific functions.
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 *
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 * Copyright (c) 2020 Huawei Technologies Co., Ltd
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 *
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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms and conditions of the GNU General Public License,
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 * version 2 or later, as published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef QEMU_KVM_RISCV_H
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#define QEMU_KVM_RISCV_H
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void kvm_riscv_reset_vcpu(RISCVCPU *cpu);
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void kvm_riscv_set_irq(RISCVCPU *cpu, int irq, int level);
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void kvm_riscv_aia_create(MachineState *machine, uint64_t group_shift,
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                          uint64_t aia_irq_num, uint64_t aia_msi_num,
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                          uint64_t aplic_base, uint64_t imsic_base,
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                          uint64_t guest_num);
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void riscv_kvm_aplic_request(void *opaque, int irq, int level);
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int kvm_riscv_sync_mpstate_to_kvm(RISCVCPU *cpu, int state);
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void riscv_kvm_cpu_finalize_features(RISCVCPU *cpu, Error **errp);
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uint64_t kvm_riscv_get_timebase_frequency(CPUState *cs);
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#endif
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