How does this get enabled? Is it supposed to be tripped by some bsp
variant?
Where is any documentation on it?
Right now, it looks like hidden magic.
--joel
On Mon, Sep 17, 2018, 7:12 AM Hesham Almatary <hesham.almat...@cl.cam.ac.uk>
wrote:
> Spike simulator and QEMU's spike_v1.10 don't have a PLIC
> ---
> bsps/riscv/riscv/irq/irq.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/bsps/riscv/riscv/irq/irq.c b/bsps/riscv/riscv/irq/irq.c
> index 1a76846..3c35a37 100644
> --- a/bsps/riscv/riscv/irq/irq.c
> +++ b/bsps/riscv/riscv/irq/irq.c
> @@ -161,7 +161,12 @@ static void riscv_plic_init(const void *fdt)
>
> plic = riscv_fdt_get_address(fdt, node);
> if (plic == NULL) {
> +#if RISCV_ENABLE_HTIF_SUPPORT != 0
> + /* Spike platform has HTIF and does not have a PLIC */
> + return;
> +#else
> bsp_fatal(RISCV_FATAL_NO_PLIC_REG_IN_DEVICE_TREE);
> +#endif
> }
>
> val = fdt_getprop(fdt, node, "riscv,ndev", &len);
> --
> 2.7.4
>
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