mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH] startup: introduce global.endianity variable
Date: Fri,  3 Apr 2020 15:26:59 +0300	[thread overview]
Message-ID: <20200403122659.32298-1-antonynpavlov@gmail.com> (raw)

The global.endianity variable make it possible
to determine current endian mode from command
line or from script on bi-endian capable system.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 common/globalvar.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/common/globalvar.c b/common/globalvar.c
index c87f2c9339..7632cb6418 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -591,6 +591,8 @@ int globalvar_add_simple_ip(const char *name, IPaddr_t *ip)
 
 static int globalvar_init(void)
 {
+	const char *endianity;
+
 	register_device(&global_device);
 
 	if (IS_ENABLED(CONFIG_NVVAR))
@@ -598,11 +600,19 @@ static int globalvar_init(void)
 
 	globalvar_add_simple("version", UTS_RELEASE);
 
+	if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
+		endianity = "big";
+	else
+		endianity = "little";
+
+	globalvar_add_simple("endianity", endianity);
+
 	return 0;
 }
 pure_initcall(globalvar_init);
 
 BAREBOX_MAGICVAR_NAMED(global_version, global.version, "The barebox version");
+BAREBOX_MAGICVAR_NAMED(global_endianity, global.endianity, "The barebox endianity");
 
 /**
  * nvvar_save - save NV variables to persistent environment
-- 
2.25.0


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

             reply	other threads:[~2020-04-03 12:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-03 12:26 Antony Pavlov [this message]
2020-04-03 12:39 ` Ahmad Fatoum
2020-04-06 12:12   ` Antony Pavlov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200403122659.32298-1-antonynpavlov@gmail.com \
    --to=antonynpavlov@gmail.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox