[sw/silicon_creator] Add MockOtp
Signed-off-by: Alphan Ulusoy <alphan@google.com>
diff --git a/sw/device/silicon_creator/lib/drivers/mock_otp.h b/sw/device/silicon_creator/lib/drivers/mock_otp.h
new file mode 100644
index 0000000..25348d6
--- /dev/null
+++ b/sw/device/silicon_creator/lib/drivers/mock_otp.h
@@ -0,0 +1,46 @@
+// Copyright lowRISC contributors.
+// Licensed under the Apache License, Version 2.0, see LICENSE for details.
+// SPDX-License-Identifier: Apache-2.0
+
+#ifndef OPENTITAN_SW_DEVICE_SILICON_CREATOR_LIB_DRIVERS_MOCK_OTP_H_
+#define OPENTITAN_SW_DEVICE_SILICON_CREATOR_LIB_DRIVERS_MOCK_OTP_H_
+
+#include "sw/device/lib/testing/mask_rom_test.h"
+#include "sw/device/silicon_creator/lib/drivers/otp.h"
+
+namespace mask_rom_test {
+namespace internal {
+
+/**
+ * Mock class for otp.c.
+ */
+class MockOtp {
+ public:
+ MOCK_METHOD(uint32_t, read32, (uint32_t address));
+ MOCK_METHOD(uint32_t, read64, (uint32_t address));
+ MOCK_METHOD(void, read, (uint32_t address, uint32_t *data, size_t num_words));
+ virtual ~MockOtp() {}
+};
+
+} // namespace internal
+
+using MockOtp = GlobalMock<testing::StrictMock<internal::MockOtp>>;
+
+extern "C" {
+
+uint32_t otp_read32(uint32_t address) {
+ return MockOtp::Instance().read32(address);
+}
+
+uint64_t otp_read64(uint32_t address) {
+ return MockOtp::Instance().read64(address);
+}
+
+void otp_read(uint32_t address, uint32_t *data, size_t num_words) {
+ return MockOtp::Instance().read(address, data, num_words);
+}
+
+} // extern "C"
+} // namespace mask_rom_test
+
+#endif // OPENTITAN_SW_DEVICE_SILICON_CREATOR_LIB_DRIVERS_MOCK_OTP_H_
