On Fri, 3 Nov 2023 10:29:36 +0100
Nico Boehr <nrb@xxxxxxxxxxxxx> wrote:
> Since we now have the ability to run guests without MSO/MSL, add a test
> to make sure this doesn't break.
[...]
> + /* the guest will now write to an unmapped address and we check that this causes a segment translation exception */
> + report_prefix_push("guest write to unmapped");
> + expect_pgm_int();
> + sie(&vm);
> + check_pgm_int_code(PGM_INT_CODE_SEGMENT_TRANSLATION);
can you also check that the faulting address is the one we expect?
> + report_prefix_pop();
> +}
> +
[...]
> diff --git a/s390x/snippets/c/sie-dat.c b/s390x/snippets/c/sie-dat.c
> new file mode 100644
> index 000000000000..e07136bf7430
> --- /dev/null
> +++ b/s390x/snippets/c/sie-dat.c
> @@ -0,0 +1,52 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Snippet used by the sie-dat.c test to verify paging without MSO/MSL
> + *
> + * Copyright (c) 2023 IBM Corp
> + *
> + * Authors:
> + * Nico Boehr <nrb@xxxxxxxxxxxxx>
> + */
> +#include <libcflat.h>
> +#include <asm-generic/page.h>
> +#include "sie-dat.h"
> +
> +static uint8_t test_page[GUEST_TEST_PAGE_COUNT * PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE)));
I would call it test_pages
[...]
