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File _service:tar_scm:target-loongarch-Define-some-kvm_arch-interfaces.patch of Package qemu
From 623a99084843f47723cb799d4bcef8e1359d59ad Mon Sep 17 00:00:00 2001 From: Tianrui Zhao <zhaotianrui@loongson.cn> Date: Fri, 5 Jan 2024 15:57:57 +0800 Subject: [PATCH] target/loongarch: Define some kvm_arch interfaces Define some functions in target/loongarch/kvm/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> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20240105075804.1228596-3-zhaotianrui@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn> --- target/loongarch/kvm/kvm.c | 131 +++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 target/loongarch/kvm/kvm.c diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c new file mode 100644 index 0000000000..0d67322fd9 --- /dev/null +++ b/target/loongarch/kvm/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) +{ +} -- 2.27.0
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