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Re: [PATCH 2/2] hw/riscv: Provide rdtime callback for TCG in CLINT emula
From: |
Alistair Francis |
Subject: |
Re: [PATCH 2/2] hw/riscv: Provide rdtime callback for TCG in CLINT emulation |
Date: |
Tue, 21 Jan 2020 20:44:19 +1000 |
On Tue, Jan 21, 2020 at 7:04 PM Anup Patel <address@hidden> wrote:
>
> This patch extends CLINT emulation to provide rdtime callback for
> TCG. This rdtime callback will be called wheneven TIME CSRs are
> read in privileged modes.
>
> Signed-off-by: Anup Patel <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
Alistair
> ---
> hw/riscv/sifive_clint.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/riscv/sifive_clint.c b/hw/riscv/sifive_clint.c
> index e5a8f75cee..805503dc27 100644
> --- a/hw/riscv/sifive_clint.c
> +++ b/hw/riscv/sifive_clint.c
> @@ -236,6 +236,7 @@ DeviceState *sifive_clint_create(hwaddr addr, hwaddr
> size, uint32_t num_harts,
> if (!env) {
> continue;
> }
> + riscv_cpu_set_rdtime_fn(env, cpu_riscv_read_rtc);
> env->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
> &sifive_clint_timer_cb, cpu);
> env->timecmp = 0;
> --
> 2.17.1
>
>