tests: Align buffer in icmsg_buf tests.

Emil Obalski · nashif · commit cc57f0acb94d · 2022-04-18T23:19:32.000-04:00
This change adds alignment to buffer on which icmsg_buf
is created. Some platforms run into fatal exception
when accessing unaligned addresses. Fix that by ensure
4 byte alignment.

Signed-off-by: Emil Obalski &lt;emil.obalski@nordicsemi.no&gt;
diff --git a/tests/lib/icmsg/src/main.c b/tests/lib/icmsg/src/main.c
@@ -11,7 +11,7 @@
  * 212 - sizeof(struct icmsg_buf) - 1 = 199.
  * -1 because internal rd/wr_idx is reserved to mean the buffer is empty.
  */
-static uint8_t memory_area[212];
+static uint8_t memory_area[212] __aligned(4);
 
 static void test_icmsg_buf_ut(void)
 {

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@`
`11`	`11`	`* 212 - sizeof(struct icmsg_buf) - 1 = 199.`
`12`	`12`	`* -1 because internal rd/wr_idx is reserved to mean the buffer is empty.`
`13`	`13`	`*/`
`14`		`-static uint8_t memory_area[212];`
	`14`	`+static uint8_t memory_area[212] __aligned(4);`
`15`	`15`
`16`	`16`	`static void test_icmsg_buf_ut(void)`
`17`	`17`	`{`