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-rw-r--r--util/romcc/tests/simple_test24.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/util/romcc/tests/simple_test24.c b/util/romcc/tests/simple_test24.c
new file mode 100644
index 0000000000..01413c2dad
--- /dev/null
+++ b/util/romcc/tests/simple_test24.c
@@ -0,0 +1,16 @@
+void smbus_read_byte(void)
+{
+ unsigned char host_status_register;
+ unsigned char byte;
+ int result;
+
+ host_status_register = __builtin_inb(0x1234);
+
+ /* read results of transaction */
+ byte = __builtin_inb(0x4567);
+
+ result = byte;
+ if (host_status_register != 0x02) {
+ result = -1;
+ }
+}