在 2023/12/28 下午4:40, Tianrui Zhao 写道:
> Define some functions in target/loongarch/kvm.c, such as
> kvm_arch_put_registers, kvm_arch_get_registers and
> kvm_arch_handle_exit, etc. which are needed by kvm/kvm-all.c.
> Now the most functions has no content and they will be
> implemented in the next patches.
>
> Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
> Signed-off-by: xianglai li <lixianglai@loongson.cn>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> target/loongarch/kvm.c | 131 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 131 insertions(+)
> create mode 100644 target/loongarch/kvm.c
Reviewed-by: Song Gao <gaosong@loongson.cn>
Thanks.
Song Gao
> diff --git a/target/loongarch/kvm.c b/target/loongarch/kvm.c
> new file mode 100644
> index 0000000000..0d67322fd9
> --- /dev/null
> +++ b/target/loongarch/kvm.c
> @@ -0,0 +1,131 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/*
> + * QEMU LoongArch KVM
> + *
> + * Copyright (c) 2023 Loongson Technology Corporation Limited
> + */
> +
> +#include "qemu/osdep.h"
> +#include <sys/ioctl.h>
> +#include <linux/kvm.h>
> +
> +#include "qemu/timer.h"
> +#include "qemu/error-report.h"
> +#include "qemu/main-loop.h"
> +#include "sysemu/sysemu.h"
> +#include "sysemu/kvm.h"
> +#include "sysemu/kvm_int.h"
> +#include "hw/pci/pci.h"
> +#include "exec/memattrs.h"
> +#include "exec/address-spaces.h"
> +#include "hw/boards.h"
> +#include "hw/irq.h"
> +#include "qemu/log.h"
> +#include "hw/loader.h"
> +#include "migration/migration.h"
> +#include "sysemu/runstate.h"
> +#include "cpu-csr.h"
> +#include "kvm_loongarch.h"
> +
> +static bool cap_has_mp_state;
> +const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
> + KVM_CAP_LAST_INFO
> +};
> +
> +int kvm_arch_get_registers(CPUState *cs)
> +{
> + return 0;
> +}
> +int kvm_arch_put_registers(CPUState *cs, int level)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_init_vcpu(CPUState *cs)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_destroy_vcpu(CPUState *cs)
> +{
> + return 0;
> +}
> +
> +unsigned long kvm_arch_vcpu_id(CPUState *cs)
> +{
> + return cs->cpu_index;
> +}
> +
> +int kvm_arch_release_virq_post(int virq)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_msi_data_to_gsi(uint32_t data)
> +{
> + abort();
> +}
> +
> +int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
> + uint64_t address, uint32_t data, PCIDevice *dev)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route,
> + int vector, PCIDevice *dev)
> +{
> + return 0;
> +}
> +
> +void kvm_arch_init_irq_routing(KVMState *s)
> +{
> +}
> +
> +int kvm_arch_get_default_type(MachineState *ms)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_init(MachineState *ms, KVMState *s)
> +{
> + return 0;
> +}
> +
> +int kvm_arch_irqchip_create(KVMState *s)
> +{
> + return 0;
> +}
> +
> +void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
> +{
> +}
> +
> +MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
> +{
> + return MEMTXATTRS_UNSPECIFIED;
> +}
> +
> +int kvm_arch_process_async_events(CPUState *cs)
> +{
> + return cs->halted;
> +}
> +
> +bool kvm_arch_stop_on_emulation_error(CPUState *cs)
> +{
> + return true;
> +}
> +
> +bool kvm_arch_cpu_check_are_resettable(void)
> +{
> + return true;
> +}
> +
> +int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
> +{
> + return 0;
> +}
> +
> +void kvm_arch_accel_class_init(ObjectClass *oc)
> +{
> +}