On Sat, Nov 20, 2021 at 1:17 PM Yifei Jiang <jiangyifei@xxxxxxxxxx> wrote: > > Add target/riscv/kvm.c to place kvm_arch_* function needed by > kvm/kvm-all.c. Meanwhile, add kvm support in meson.build file. > > Signed-off-by: Yifei Jiang <jiangyifei@xxxxxxxxxx> > Signed-off-by: Mingwang Li <limingwang@xxxxxxxxxx> > Reviewed-by: Alistair Francis <alistair.francis@xxxxxxx> Looks good to me. Reviewed-by: Anup Patel <anup.patel@xxxxxxx> Regards, Anup > --- > meson.build | 2 + > target/riscv/kvm.c | 133 +++++++++++++++++++++++++++++++++++++++ > target/riscv/meson.build | 1 + > 3 files changed, 136 insertions(+) > create mode 100644 target/riscv/kvm.c > > diff --git a/meson.build b/meson.build > index 96de1a6ef9..ae35e76ea4 100644 > --- a/meson.build > +++ b/meson.build > @@ -77,6 +77,8 @@ elif cpu in ['ppc', 'ppc64'] > kvm_targets = ['ppc-softmmu', 'ppc64-softmmu'] > elif cpu in ['mips', 'mips64'] > kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu'] > +elif cpu in ['riscv'] > + kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu'] > else > kvm_targets = [] > endif > diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c > new file mode 100644 > index 0000000000..687dd4b621 > --- /dev/null > +++ b/target/riscv/kvm.c > @@ -0,0 +1,133 @@ > +/* > + * RISC-V implementation of KVM hooks > + * > + * Copyright (c) 2020 Huawei Technologies Co., Ltd > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2 or later, as published by the Free Software Foundation. > + * > + * This program is distributed in the hope it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + * You should have received a copy of the GNU General Public License along with > + * this program. If not, see <http://www.gnu.org/licenses/>. > + */ > + > +#include "qemu/osdep.h" > +#include <sys/ioctl.h> > + > +#include <linux/kvm.h> > + > +#include "qemu-common.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 "cpu.h" > +#include "trace.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" > + > +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_release_virq_post(int virq) > +{ > + return 0; > +} > + > +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_destroy_vcpu(CPUState *cs) > +{ > + return 0; > +} > + > +unsigned long kvm_arch_vcpu_id(CPUState *cpu) > +{ > + return cpu->cpu_index; > +} > + > +void kvm_arch_init_irq_routing(KVMState *s) > +{ > +} > + > +int kvm_arch_init_vcpu(CPUState *cs) > +{ > + return 0; > +} > + > +int kvm_arch_msi_data_to_gsi(uint32_t data) > +{ > + abort(); > +} > + > +int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route, > + int vector, PCIDevice *dev) > +{ > + return 0; > +} > + > +int kvm_arch_init(MachineState *ms, KVMState *s) > +{ > + return 0; > +} > + > +int kvm_arch_irqchip_create(KVMState *s) > +{ > + return 0; > +} > + > +int kvm_arch_process_async_events(CPUState *cs) > +{ > + 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; > +} > + > +bool kvm_arch_stop_on_emulation_error(CPUState *cs) > +{ > + return true; > +} > + > +int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) > +{ > + return 0; > +} > + > +bool kvm_arch_cpu_check_are_resettable(void) > +{ > + return true; > +} > diff --git a/target/riscv/meson.build b/target/riscv/meson.build > index d5e0bc93ea..2faf08a941 100644 > --- a/target/riscv/meson.build > +++ b/target/riscv/meson.build > @@ -19,6 +19,7 @@ riscv_ss.add(files( > 'bitmanip_helper.c', > 'translate.c', > )) > +riscv_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c')) > > riscv_softmmu_ss = ss.source_set() > riscv_softmmu_ss.add(files( > -- > 2.19.1 > > > -- > kvm-riscv mailing list > kvm-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/kvm-riscv
