MIPS architecture supports both little- and big-endian modes.
It's handy to have means to determine endianness of barebox
image. This patch adds necessary record into imd block.
Signed-off-by: Antony Pavlov <antonynpav...@gmail.com>
---
common/Kconfig | 6 ++++++
common/imd-barebox.c | 10 ++++++++++
2 files changed, 16 insertions(+)
diff --git a/common/Kconfig b/common/Kconfig
index 667b0a1e79..f8d99bd48c 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -730,6 +730,12 @@ config IMD
select CRC32
bool "barebox metadata support"
+config IMD_ENDIANNESS
+ bool "add endianness record to metadata"
+ depends on IMD
+ depends on SYS_SUPPORTS_LITTLE_ENDIAN && SYS_SUPPORTS_BIG_ENDIAN
+ default y
+
choice
prompt "console support"
default CONSOLE_FULL
diff --git a/common/imd-barebox.c b/common/imd-barebox.c
index e11fdca845..7877c8de39 100644
--- a/common/imd-barebox.c
+++ b/common/imd-barebox.c
@@ -23,6 +23,16 @@ __BAREBOX_IMD_SECTION(.barebox_imd_end) = {
.type = cpu_to_le32(IMD_TYPE_END),
};
+#ifdef CONFIG_IMD_ENDIANNESS
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define IMD_ENDIANNESS "little"
+#else
+#define IMD_ENDIANNESS "big"
+#endif
+BAREBOX_IMD_TAG_STRING(imd_endianness_tag, IMD_TYPE_PARAMETER,
+ "endianness=" IMD_ENDIANNESS, 1);
+#endif /* CONFIG_IMD_ENDIANNESS */
+
BAREBOX_IMD_TAG_STRING(imd_build_tag, IMD_TYPE_BUILD, UTS_VERSION, 1);
BAREBOX_IMD_TAG_STRING(imd_release_tag, IMD_TYPE_RELEASE, UTS_RELEASE, 1);
BAREBOX_IMD_TAG_STRING(imd_buildsystem_version_tag, IMD_TYPE_BUILDSYSTEM,
BUILDSYSTEM_VERSION, 1);
--
2.33.0
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