nrfdemo

1 files changed, 66 insertions, 0 deletions

diff --git a/nrfdemo/builddk/tfm/api_ns/interface/include/tfm_ns_interface.h b/nrfdemo/builddk/tfm/api_ns/interface/include/tfm_ns_interface.h
new file mode 100644
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+++ b/nrfdemo/builddk/tfm/api_ns/interface/include/tfm_ns_interface.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2017-2021, Arm Limited. All rights reserved.
+ * Copyright (c) 2023 Cypress Semiconductor Corporation (an Infineon company)
+ * or an affiliate of Cypress Semiconductor Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+#ifndef __TFM_NS_INTERFACE_H__
+#define __TFM_NS_INTERFACE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "tfm_veneers.h"
+
+typedef int32_t (*veneer_fn) (uint32_t arg0, uint32_t arg1,
+                              uint32_t arg2, uint32_t arg3);
+
+/**
+ * \brief NS interface, veneer function dispatcher
+ *
+ * \details This function implements the dispatching mechanism for the
+ *          desired veneer function, to be called with the parameters
+ *          described from arg0 to arg3.
+ *
+ * \note    NSPE can use default implementation of this function or implement
+ *          this function according to NS specific implementation and actual
+ *          usage scenario.
+ *
+ * \param[in] fn   Function pointer to the veneer function desired
+ * \param[in] arg0 Argument 0 of fn
+ * \param[in] arg1 Argument 1 of fn
+ * \param[in] arg2 Argument 2 of fn
+ * \param[in] arg3 Argument 3 of fn
+ *
+ * \return Returns the same return value of the requested veneer function
+ *
+ * \note This API must ensure the return value is from the veneer function.
+ *       Other unrecoverable errors must be considered as fatal error and should
+ *       not return.
+ */
+int32_t tfm_ns_interface_dispatch(veneer_fn fn,
+                                  uint32_t arg0, uint32_t arg1,
+                                  uint32_t arg2, uint32_t arg3);
+
+/**
+ * \brief NS interface initialization function
+ *
+ * \details This function initializes TF-M NS interface.
+ *
+ * \note    NSPE can use default implementation of this function or implement
+ *          this function according to NS specific implementation and actual
+ *          usage scenario.
+ *
+ * \return \ref OS_WRAPPER_SUCCESS on success or \ref OS_WRAPPER_ERROR on error
+ */
+uint32_t tfm_ns_interface_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __TFM_NS_INTERFACE_H__ */