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| author | Yong-Xuan Wang <yongxuan.wang@sifive.com> | 2024-03-14 14:15:09 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2024-03-22 15:41:01 +1000 |
| commit | 385e575cd5ab2436c123e4b7f8c9b383a64c0dbe (patch) | |
| tree | 388e07c05c4dee30d5579f1f8638f3380e895986 /hw/riscv/virt.c | |
| parent | e06adebb08325c39e4c9b652139426c10f021abb (diff) | |
| download | focaccia-qemu-385e575cd5ab2436c123e4b7f8c9b383a64c0dbe.tar.gz focaccia-qemu-385e575cd5ab2436c123e4b7f8c9b383a64c0dbe.zip | |
target/riscv/kvm: fix timebase-frequency when using KVM acceleration
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>
Diffstat (limited to 'hw/riscv/virt.c')
| -rw-r--r-- | hw/riscv/virt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 72a55b8af1..d171e74f7b 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -711,6 +711,8 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap, qemu_fdt_add_subnode(ms->fdt, "/cpus"); qemu_fdt_setprop_cell(ms->fdt, "/cpus", "timebase-frequency", + kvm_enabled() ? + kvm_riscv_get_timebase_frequency(first_cpu) : RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ); qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#size-cells", 0x0); qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#address-cells", 0x1); |