From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UNIns-0007kF-Al for barebox@lists.infradead.org; Wed, 03 Apr 2013 08:12:22 +0000 From: Marc Kleine-Budde Date: Wed, 3 Apr 2013 10:12:13 +0200 Message-Id: <1364976736-23869-5-git-send-email-mkl@pengutronix.de> In-Reply-To: <1364976736-23869-1-git-send-email-mkl@pengutronix.de> References: <1364976736-23869-1-git-send-email-mkl@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 4/7] bootsource: add support for bootsource instance information To: barebox@lists.infradead.org Add a C interface to set and get the bootsource instance: int bootsource_get_instance(void); void bootsource_set_instance(int instance); Also export the shell variable "bootsource_instance". Signed-off-by: Marc Kleine-Budde Signed-off-by: Sascha Hauer --- common/bootsource.c | 24 ++++++++++++++++++++++++ include/bootsource.h | 4 ++++ 2 files changed, 28 insertions(+) diff --git a/common/bootsource.c b/common/bootsource.c index 5f1d40c..7367215 100644 --- a/common/bootsource.c +++ b/common/bootsource.c @@ -34,6 +34,7 @@ static const char *bootsource_str[] = { }; static enum bootsource bootsource = BOOTSOURCE_UNKNOWN; +static int bootsource_instance = BOOTSOURCE_INSTANCE_UNKNOWN; void bootsource_set(enum bootsource src) { @@ -45,6 +46,20 @@ void bootsource_set(enum bootsource src) setenv("bootsource", bootsource_str[src]); } +void bootsource_set_instance(int instance) +{ + char buf[32]; + + bootsource_instance = instance; + + if (instance < 0) + sprintf(buf, "unknown"); + else + snprintf(buf, sizeof(buf), "%d", instance); + + setenv("bootsource_instance", buf); +} + enum bootsource bootsource_get(void) { return bootsource; @@ -52,10 +67,19 @@ enum bootsource bootsource_get(void) BAREBOX_MAGICVAR(bootsource, "The source barebox has been booted from"); +int bootsource_get_instance(void) +{ + return bootsource_instance; +} + +BAREBOX_MAGICVAR(bootsource_instance, "The instance of the source barebox has been booted from"); + static int bootsource_init(void) { bootsource_set(bootsource); + bootsource_set_instance(bootsource_instance); export("bootsource"); + export("bootsource_instance"); return 0; } diff --git a/include/bootsource.h b/include/bootsource.h index ecd5938..44b69b1 100644 --- a/include/bootsource.h +++ b/include/bootsource.h @@ -13,7 +13,11 @@ enum bootsource { BOOTSOURCE_HD, }; +#define BOOTSOURCE_INSTANCE_UNKNOWN -1 + enum bootsource bootsource_get(void); +int bootsource_get_instance(void); void bootsource_set(enum bootsource src); +void bootsource_set_instance(int instance); #endif /* __BOOTSOURCE_H__ */ -- 1.8.2.rc2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox