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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH V2] startup: introduce global.endianness variable
Date: Mon,  6 Apr 2020 15:13:25 +0300	[thread overview]
Message-ID: <20200406121325.1364-1-antonynpavlov@gmail.com> (raw)

The global.endianness 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..264833f88c 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 *endianness;
+
 	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))
+		endianness = "big";
+	else
+		endianness = "little";
+
+	globalvar_add_simple("endianness", endianness);
+
 	return 0;
 }
 pure_initcall(globalvar_init);
 
 BAREBOX_MAGICVAR_NAMED(global_version, global.version, "The barebox version");
+BAREBOX_MAGICVAR_NAMED(global_endianness, global.endianness, "The barebox endianness");
 
 /**
  * nvvar_save - save NV variables to persistent environment
-- 
2.25.0


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             reply	other threads:[~2020-04-06 12:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-06 12:13 Antony Pavlov [this message]
2020-04-06 12:44 ` Antony Pavlov
2020-04-14  9:36   ` Sascha Hauer
2021-05-11  8:36 [PATCH v2] " Antony Pavlov
2021-05-12  5:36 ` Sascha Hauer

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