[PATCH] avoid smscb test failure for ppc/ppc64 archi

[Michel Normand]

as reported on  https://build.opensuse.org/request/show/286595
libosmocore 0.7.0 avoid smscb test failure for ppc/ppc64 that is big-endian
x   ===
x   7. testsuite.at:45: testing smscb ...
x   ./testsuite.at:48: $abs_top_builddir/tests/smscb/smscb_test
x   --- expout      2015-02-17 16:19:24.010024039 +0000
x   +++ /home/abuild/rpmbuild/BUILD/libosmocore/tests/testsuite.dir/at-groups/7/stdout
x   @@ -1,4 +1,4 @@
x   -(srl) GS: 1 MSG_CODE: 1 UPDATE: 0
x   +(srl) GS: 0 MSG_CODE: 256 UPDATE: 1
x    (msg) msg_id: 1293
x   -(dcs) group: 1 language: 0
x   +(dcs) group: 0 language: 1
x    (pge) page total: 1 current: 1
x   7. testsuite.at:45: 7. smscb (testsuite.at:45): FAILED (testsuite.at:48)
x   ===

Signed-off-by: Michel Normand <normand at linux.vnet.ibm.com>
---
 include/osmocom/gsm/protocol/gsm_03_41.h |   37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/include/osmocom/gsm/protocol/gsm_03_41.h b/include/osmocom/gsm/protocol/gsm_03_41.h
index 0ece6cc..af00503 100644
--- a/include/osmocom/gsm/protocol/gsm_03_41.h
+++ b/include/osmocom/gsm/protocol/gsm_03_41.h
@@ -11,6 +11,26 @@
 #define GSM341_7BIT_PADDING	'\r'
 
 /* Chapter 9.3.2 */
+#if defined(__powerpc__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+struct gsm341_ms_message {
+	struct {
+		uint8_t gs:2;
+		uint8_t code_hi:6;
+		uint8_t code_lo:4;
+		uint8_t update:4;
+	} serial;
+	uint16_t msg_id;
+	struct {
+		uint8_t group:4;
+		uint8_t language:4;
+	} dcs;
+	struct {
+		uint8_t current:4;
+		uint8_t total:4;
+	} page;
+	uint8_t data[0];
+} __attribute__((packed));
+#else
 struct gsm341_ms_message {
 	struct {
 		uint8_t code_hi:6;
@@ -29,8 +49,24 @@ struct gsm341_ms_message {
 	} page;
 	uint8_t data[0];
 } __attribute__((packed));
+#endif
 
 /* Chapter 9.4.1.3 */
+#if defined(__powerpc__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+struct gsm341_etws_message {
+	struct {
+		uint8_t gs:2;
+		uint8_t alert:1;
+		uint8_t popup:1;
+		uint8_t code_hi:4;
+		uint8_t code_lo:4;
+		uint8_t update:4;
+	} serial;
+	uint16_t msg_id;
+	uint16_t warning_type;
+	uint8_t data[0];
+} __attribute__((packed));
+#else
 struct gsm341_etws_message {
 	struct {
 		uint8_t code_hi:4;
@@ -44,6 +80,7 @@ struct gsm341_etws_message {
 	uint16_t warning_type;
 	uint8_t data[0];
 } __attribute__((packed));
+#endif
 
 #define GSM341_MSG_CODE(ms) ((ms)->serial.code_lo | ((ms)->serial.code_hi << 4))
 
-- 
1.7.9.5