Added framework as a flattened directory

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/framework/psasim/include/psa/service.h b/framework/psasim/include/psa/service.h
new file mode 100644
index 0000000..9ae801d
--- /dev/null
+++ b/framework/psasim/include/psa/service.h
@@ -0,0 +1,249 @@
+/* PSA Firmware Framework service header for psasim. */
+
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#ifndef __PSA_SERVICE_H__
+#define __PSA_SERVICE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <stdlib.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <psa/client.h>
+/********************** PSA Secure Partition Macros and Types ****************/
+
+/* PSA wait timeouts */
+#define PSA_POLL                (0x00000000u)
+#define PSA_BLOCK               (0x80000000u)
+
+/* A mask value that includes all Secure Partition signals */
+#define PSA_WAIT_ANY            (~0u)
+
+/* Doorbell signal */
+#define PSA_DOORBELL            (0x00000008u)
+
+/* PSA message types */
+#define PSA_IPC_CONNECT         (-1)
+#define PSA_IPC_DISCONNECT      (-2)
+
+/* Return code from psa_get() */
+#define PSA_ERR_NOMSG           (INT32_MIN + 3)
+
+/* Store a set of one or more Secure Partition signals */
+typedef uint32_t psa_signal_t;
+
+/**
+ * Describe a message received by an RoT Service after calling \ref psa_get().
+ */
+typedef struct psa_msg_t {
+    uint32_t type;              /* One of the following values:
+                                 * \ref PSA_IPC_CONNECT
+                                 * \ref PSA_IPC_CALL
+                                 * \ref PSA_IPC_DISCONNECT
+                                 */
+    psa_handle_t handle;        /* A reference generated by the SPM to the
+                                 * message returned by psa_get().
+                                 */
+    int32_t client_id;          /* Partition ID of the sender of the message */
+    void *rhandle;              /* Be useful for binding a connection to some
+                                 * application-specific data or function
+                                 * pointer within the RoT Service
+                                 * implementation.
+                                 */
+    size_t in_size[PSA_MAX_IOVEC]; /* Provide the size of each client input
+                                    * vector in bytes.
+                                    */
+    size_t out_size[PSA_MAX_IOVEC];/* Provide the size of each client output
+                                    * vector in bytes.
+                                    */
+} psa_msg_t;
+
+/************************* PSA Secure Partition API **************************/
+
+/**
+ * \brief Return the Secure Partition interrupt signals that have been asserted
+ *        from a subset of signals provided by the caller.
+ *
+ * \param[in] signal_mask       A set of signals to query. Signals that are not
+ *                              in this set will be ignored.
+ * \param[in] timeout           Specify either blocking \ref PSA_BLOCK or
+ *                              polling \ref PSA_POLL operation.
+ *
+ * \retval >0                   At least one signal is asserted.
+ * \retval 0                    No signals are asserted. This is only seen when
+ *                              a polling timeout is used.
+ */
+psa_signal_t psa_wait(psa_signal_t signal_mask, uint32_t timeout);
+
+/**
+ * \brief Retrieve the message which corresponds to a given RoT Service signal
+ *        and remove the message from the RoT Service queue.
+ *
+ * \param[in] signal            The signal value for an asserted RoT Service.
+ * \param[out] msg              Pointer to \ref psa_msg_t object for receiving
+ *                              the message.
+ *
+ * \retval PSA_SUCCESS          Success, *msg will contain the delivered
+ *                              message.
+ * \retval PSA_ERR_NOMSG        Message could not be delivered.
+ * \retval "Does not return"    The call is invalid because one or more of the
+ *                              following are true:
+ * \arg                           signal has more than a single bit set.
+ * \arg                           signal does not correspond to an RoT Service.
+ * \arg                           The RoT Service signal is not currently
+ *                                asserted.
+ * \arg                           The msg pointer provided is not a valid memory
+ *                                reference.
+ */
+psa_status_t psa_get(psa_signal_t signal, psa_msg_t *msg);
+
+/**
+ * \brief Associate some RoT Service private data with a client connection.
+ *
+ * \param[in] msg_handle        Handle for the client's message.
+ * \param[in] rhandle           Reverse handle allocated by the RoT Service.
+ *
+ * \retval void                 Success, rhandle will be provided with all
+ *                              subsequent messages delivered on this
+ *                              connection.
+ * \retval "Does not return"    msg_handle is invalid.
+ */
+void psa_set_rhandle(psa_handle_t msg_handle, void *rhandle);
+
+/**
+ * \brief Read a message parameter or part of a message parameter from a client
+ *        input vector.
+ *
+ * \param[in] msg_handle        Handle for the client's message.
+ * \param[in] invec_idx         Index of the input vector to read from. Must be
+ *                              less than \ref PSA_MAX_IOVEC.
+ * \param[out] buffer           Buffer in the Secure Partition to copy the
+ *                              requested data to.
+ * \param[in] num_bytes         Maximum number of bytes to be read from the
+ *                              client input vector.
+ *
+ * \retval >0                   Number of bytes copied.
+ * \retval 0                    There was no remaining data in this input
+ *                              vector.
+ * \retval "Does not return"    The call is invalid, one or more of the
+ *                              following are true:
+ * \arg                           msg_handle is invalid.
+ * \arg                           msg_handle does not refer to a
+ *                                \ref PSA_IPC_CALL message.
+ * \arg                           invec_idx is equal to or greater than
+ *                                \ref PSA_MAX_IOVEC.
+ * \arg                           the memory reference for buffer is invalid or
+ *                                not writable.
+ */
+size_t psa_read(psa_handle_t msg_handle, uint32_t invec_idx,
+                void *buffer, size_t num_bytes);
+
+/**
+ * \brief Skip over part of a client input vector.
+ *
+ * \param[in] msg_handle        Handle for the client's message.
+ * \param[in] invec_idx         Index of input vector to skip from. Must be
+ *                              less than \ref PSA_MAX_IOVEC.
+ * \param[in] num_bytes         Maximum number of bytes to skip in the client
+ *                              input vector.
+ *
+ * \retval >0                   Number of bytes skipped.
+ * \retval 0                    There was no remaining data in this input
+ *                              vector.
+ * \retval "Does not return"    The call is invalid, one or more of the
+ *                              following are true:
+ * \arg                           msg_handle is invalid.
+ * \arg                           msg_handle does not refer to a
+ *                                \ref PSA_IPC_CALL message.
+ * \arg                           invec_idx is equal to or greater than
+ *                                \ref PSA_MAX_IOVEC.
+ */
+size_t psa_skip(psa_handle_t msg_handle, uint32_t invec_idx, size_t num_bytes);
+
+/**
+ * \brief Write a message response to a client output vector.
+ *
+ * \param[in] msg_handle        Handle for the client's message.
+ * \param[out] outvec_idx       Index of output vector in message to write to.
+ *                              Must be less than \ref PSA_MAX_IOVEC.
+ * \param[in] buffer            Buffer with the data to write.
+ * \param[in] num_bytes         Number of bytes to write to the client output
+ *                              vector.
+ *
+ * \retval void                 Success
+ * \retval "Does not return"    The call is invalid, one or more of the
+ *                              following are true:
+ * \arg                           msg_handle is invalid.
+ * \arg                           msg_handle does not refer to a
+ *                                \ref PSA_IPC_CALL message.
+ * \arg                           outvec_idx is equal to or greater than
+ *                                \ref PSA_MAX_IOVEC.
+ * \arg                           The memory reference for buffer is invalid.
+ * \arg                           The call attempts to write data past the end
+ *                                of the client output vector.
+ */
+void psa_write(psa_handle_t msg_handle, uint32_t outvec_idx,
+               const void *buffer, size_t num_bytes);
+
+/**
+ * \brief Complete handling of a specific message and unblock the client.
+ *
+ * \param[in] msg_handle        Handle for the client's message.
+ * \param[in] status            Message result value to be reported to the
+ *                              client.
+ *
+ * \retval void                 Success.
+ * \retval "Does not return"    The call is invalid, one or more of the
+ *                              following are true:
+ * \arg                         msg_handle is invalid.
+ * \arg                         An invalid status code is specified for the
+ *                              type of message.
+ */
+void psa_reply(psa_handle_t msg_handle, psa_status_t status);
+
+/**
+ * \brief Send a PSA_DOORBELL signal to a specific Secure Partition.
+ *
+ * \param[in] partition_id      Secure Partition ID of the target partition.
+ *
+ * \retval void                 Success.
+ * \retval "Does not return"    partition_id does not correspond to a Secure
+ *                              Partition.
+ */
+void psa_notify(int32_t partition_id);
+
+/**
+ * \brief Clear the PSA_DOORBELL signal.
+ *
+ * \retval void                 Success.
+ * \retval "Does not return"    The Secure Partition's doorbell signal is not
+ *                              currently asserted.
+ */
+void psa_clear(void);
+
+/**
+ * \brief Inform the SPM that an interrupt has been handled (end of interrupt).
+ *
+ * \param[in] irq_signal        The interrupt signal that has been processed.
+ *
+ * \retval void                 Success.
+ * \retval "Does not return"    The call is invalid, one or more of the
+ *                              following are true:
+ * \arg                           irq_signal is not an interrupt signal.
+ * \arg                           irq_signal indicates more than one signal.
+ * \arg                           irq_signal is not currently asserted.
+ */
+void psa_eoi(psa_signal_t irq_signal);
+
+#define psa_panic(X) abort();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __PSA_SERVICE_H__ */