Hi Denis,
On Thu, 2021-03-11 at 17:07 +0000, Denis Osterland-Heim wrote:
> From: Denis Osterland-Heim <Denis.Osterland@xxxxxxxxx>
>
> Add the two missing function pointers according to HAB4_API.pdf
> from cst-3.1.0 and print the version of ROM code.
>
> Signed-off-by: Denis Osterland-Heim <Denis.Osterland@xxxxxxxxx>
> ---
> drivers/hab/habv4.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/hab/habv4.c b/drivers/hab/habv4.c
> index c2acb8136..f30e5d68c 100644
> --- a/drivers/hab/habv4.c
> +++ b/drivers/hab/habv4.c
> @@ -161,6 +161,7 @@ struct hab_header {
> uint8_t par;
> } __packed;
>
> +typedef void (*hab_image_entry_fn)(void);
> typedef enum hab_status hab_loader_callback_fn(void **start, uint32_t *bytes, const void *boot_data);
>
> struct habv4_rvt {
> @@ -175,6 +176,8 @@ struct habv4_rvt {
> enum hab_status (*report_event)(enum hab_status status, uint32_t index, void *event, uint32_t *bytes);
> enum hab_status (*report_status)(enum hab_config *config, enum hab_state *state);
> void (*failsafe)(void);
> +hab_image_entry_fn (*authenticate_image_no_dcd)(uint8_t cid, ptrdiff_t ivt_offset, void **start, size_t *bytes, hab_loader_callback_fn loader);
> +uint32_t (*get_version)(void);
> } __packed;
>
> #define FSL_SIP_HAB 0xC2000007
> @@ -528,6 +531,7 @@ static int habv4_get_status(const struct habv4_rvt *rvt)
> uint8_t *data;
> uint32_t len;
> int i;
> +uint32_t version;
> enum hab_status status;
> enum hab_config config = 0x0;
> enum hab_state state = 0x0;
> @@ -537,6 +541,9 @@ static int habv4_get_status(const struct habv4_rvt *rvt)
> return -EINVAL;
> }
>
> +version = rvt->get_version();
This unconditional call will break HAB on i.MX8MQ where it isn't
implemented in the RVT, I don't know if the call is even routed in the
downstream TF-A.
Aside from this your mailer/mailserver is mangling the patches, if it
is the mailer, maybe you can switch to git-send-email, see
https://git-send-email.io
> +pr_info("version: %u.%u.%u\n", (version >> 16), ((version >> 8) & 0xff), (version & 0xff));
> +
> status = rvt->report_status(&config, &state);
> pr_info("Status: %s (0x%02x)\n", habv4_get_status_str(status), status);
> pr_info("Config: %s (0x%02x)\n", habv4_get_config_str(config), config);
> --
> 2.30.2
Regards,
Rouven Czerwinski
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