>>>>> "Sascha" == Sascha Hauer <[email protected]> writes:
Hi,
> This adds the ability to control barebox over serial lines. The regular
> console is designed for human input and is unsuitable for controlling
> barebox from scripts since characters can be lost on both ends, the data
> stream contains escape sequences and the prompt cannot be easily matched
> upon.
> This approach is based on the RATP protocol. RATP packages start with a
> binary 0x01 which does not occur in normal console data. Whenever a
> 0x01 character is detected in the console barebox goes into RATP mode.
> The RATP packets contain a simple structure with a command/respone
> type and data for that type. Currently defined types are:
> +int barebox_ratp(struct console_device *cdev)
> +{
> + void *buf = xmalloc(512);
> + int ret;
> + size_t len;
> + struct ratp_ctx *ctx;
> + struct ratp *ratp;
> +
> + ctx = xzalloc(sizeof(*ctx));
> + ratp = &ctx->ratp;
> +
> + ratp->send = ratp_send;
> + ratp->recv = ratp_recv;
> + ctx->cdev = cdev;
> +
> + ret = ratp_establish(ratp, false, 0);
> + if (ret < 0)
> + return ret;
> +
> + ret = ratp_console_register(ctx);
> + if (ret)
> + return ret;
You're leaking ctx and buf here (and buf below as well).
> +
> + while (1) {
> + ret = ratp_poll(ratp);
> + if (ret == -EINTR)
> + goto out;
> + if (ratp_closed(ratp))
> + goto out;
> +
> + len = 512;
> + ret = ratp_recv_data(ratp, buf, &len);
> + if (ret == -EAGAIN)
> + continue;
> +
> + if (ret < 0)
> + goto out;
> +
> + ret = ratp_bb_dispatch(ctx, buf, len);
> + if (ret)
> + break;
> + }
> +out:
> +
> + console_unregister(&ctx->ratp_console);
> +
> + free(ctx);
> +
> + return ret;
> +}
> +++ b/crypto/Kconfig
> @@ -2,6 +2,7 @@ config CRC32
> bool
> config CRC16
> + default y
Why?
--
Bye, Peter Korsgaard
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