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* [PATCH] startup: introduce global.endianness variable
@ 2021-04-26 14:30 Antony Pavlov
  2021-04-28  4:39 ` Antony Pavlov
  2021-05-03 11:16 ` Sascha Hauer
  0 siblings, 2 replies; 5+ messages in thread
From: Antony Pavlov @ 2021-04-26 14:30 UTC (permalink / raw)
  To: barebox

The global.endianness variable makes 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 a55b38b00f..75ce6331b7 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -641,6 +641,8 @@ 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))
@@ -651,6 +653,13 @@ static int globalvar_init(void)
 	if (strlen(buildsystem_version_string) > 0)
 		globalvar_add_simple("buildsystem.version", buildsystem_version_string);
 
+	if (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))
+		endianness = "big";
+	else
+		endianness = "little";
+
+	globalvar_add_simple("endianness", endianness);
+
 	return 0;
 }
 pure_initcall(globalvar_init);
@@ -658,6 +667,7 @@ pure_initcall(globalvar_init);
 BAREBOX_MAGICVAR(global.version, "The barebox version");
 BAREBOX_MAGICVAR(global.buildsystem.version,
 		 "version of buildsystem barebox was built with");
+BAREBOX_MAGICVAR(global.endianness, "The barebox endianness");
 
 /**
  * nvvar_save - save NV variables to persistent environment
-- 
2.31.1


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end of thread, other threads:[~2021-05-11 11:57 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2021-04-26 14:30 [PATCH] startup: introduce global.endianness variable Antony Pavlov
2021-04-28  4:39 ` Antony Pavlov
2021-05-03 11:16 ` Sascha Hauer
2021-05-11  6:58   ` Antony Pavlov
2021-05-11  7:52     ` Sascha Hauer

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