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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/3] command: introduce abi version
Date: Mon, 22 Oct 2012 18:07:26 +0200	[thread overview]
Message-ID: <1350922048-25699-1-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <20121022160341.GF21588@game.jcrosoft.org>

This will allow to detect incompatibility between the env abi and the current
barebox one

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 common/command.c      |    2 ++
 include/command.h     |    1 +
 include/command_abi.h |   12 ++++++++++++
 3 files changed, 15 insertions(+)
 create mode 100644 include/command_abi.h

diff --git a/common/command.c b/common/command.c
index 873b3ff..c80538c 100644
--- a/common/command.c
+++ b/common/command.c
@@ -154,6 +154,8 @@ static int init_command_list(void)
 {
 	struct command *cmdtp;
 
+	export_env_ull("command_abi_version", COMMAND_ABI_VERSION);
+
 	for (cmdtp = &__barebox_cmd_start;
 			cmdtp != &__barebox_cmd_end;
 			cmdtp++)
diff --git a/include/command.h b/include/command.h
index ffc722c..c49a014 100644
--- a/include/command.h
+++ b/include/command.h
@@ -25,6 +25,7 @@
 
 #include <linux/list.h>
 #include <linux/stringify.h>
+#include <command_abi.h>
 
 #ifndef NULL
 #define NULL	0
diff --git a/include/command_abi.h b/include/command_abi.h
new file mode 100644
index 0000000..264c003
--- /dev/null
+++ b/include/command_abi.h
@@ -0,0 +1,12 @@
+/*
+ * (C) Copyright 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPL v2
+ */
+
+#ifndef __COMMAND_ABI_H__
+#define __COMMAND_ABI_H__
+
+#define COMMAND_ABI_VERSION	0
+
+#endif /* __COMMAND_ABI_H__ */
-- 
1.7.10.4


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  reply	other threads:[~2012-10-22 16:09 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-22 16:03 [PATCH 0/3] introduce command " Jean-Christophe PLAGNIOL-VILLARD
2012-10-22 16:07 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-10-22 16:07   ` [PATCH 2/3] envfs: add command_abi_version support Jean-Christophe PLAGNIOL-VILLARD
2012-10-23  8:59     ` Sascha Hauer
2012-10-23 10:20       ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-23 12:56         ` Sascha Hauer
2012-10-23 13:27           ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-22 16:07   ` [PATCH 3/3] environment: detect command_abi_version Jean-Christophe PLAGNIOL-VILLARD
2012-10-29  8:50   ` [PATCH 1/3] command: introduce abi version Sascha Hauer
2012-10-29  9:56     ` Johannes Stezenbach
2012-10-29 10:31       ` Sascha Hauer
2012-10-29 16:05       ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-29 17:00         ` Johannes Stezenbach
2012-10-29 18:05           ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-23  8:51 ` [PATCH 0/3] introduce command " Sascha Hauer
2012-10-23 10:28   ` Jean-Christophe PLAGNIOL-VILLARD

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