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Re: [PATCH 1/1] Allow setting up to 8 bytes with the generic loader


From: Alistair Francis
Subject: Re: [PATCH 1/1] Allow setting up to 8 bytes with the generic loader
Date: Mon, 24 Jan 2022 09:30:03 +1000

On Thu, Jan 20, 2022 at 7:57 PM Petr Tesarik <ptesarik@suse.com> wrote:
>
> The documentation for the generic loader says that "the maximum size of
> the data is 8 bytes". However, attempts to set data-len=8 trigger the
> following assertion failure:
>
> ../hw/core/generic-loader.c:59: generic_loader_reset: Assertion `s->data_len 
> < sizeof(s->data)' failed.
>
> The type of s->data is uint64_t (i.e. 8 bytes long), so I believe this
> assert should use <= instead of <.
>
> Fixes: e481a1f63c93 ("generic-loader: Add a generic loader")
> Signed-off-by: Petr Tesarik <ptesarik@suse.com>

Thanks!

Applied to riscv-to-apply.next

Alistair

> ---
>  hw/core/generic-loader.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/core/generic-loader.c b/hw/core/generic-loader.c
> index 9a24ffb880..504ed7ca72 100644
> --- a/hw/core/generic-loader.c
> +++ b/hw/core/generic-loader.c
> @@ -56,7 +56,7 @@ static void generic_loader_reset(void *opaque)
>      }
>
>      if (s->data_len) {
> -        assert(s->data_len < sizeof(s->data));
> +        assert(s->data_len <= sizeof(s->data));
>          dma_memory_write(s->cpu->as, s->addr, &s->data, s->data_len,
>                           MEMTXATTRS_UNSPECIFIED);
>      }
> --
> 2.31.1
>
>



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