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-rw-r--r--demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsproxystubs.c240
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diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsproxystubs.c b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsproxystubs.c
deleted file mode 100644
index 67ff5dab4..000000000
--- a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-SEC/proxies/tsproxystubs.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file tssockstub.c
- * @brief Sockets stub for trusted services.
- *
- */
-
-#include "ch.h"
-#include "chobjfifos.h"
-#include "chtssi.h"
-#include "tsproxystubs.h"
-#include <string.h>
-#include <ctype.h>
-
-/*===========================================================================*/
-/* Module local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local variables. */
-/*===========================================================================*/
-static eventflags_t tsSkelIsReadyMask = 0;
-
-/*===========================================================================*/
-/* Module local functions. */
-/*===========================================================================*/
-static bool isOpValid(stub_ctx_t *scp, stub_op_t *op)
-{
- if ((op < &(scp->ops[0])) || (op >= &(scp->ops[STUB_MAX_OPS])))
- return FALSE;
- if (((char *)op - (char *)&(scp->ops[0])) % sizeof scp->ops[0])
- return FALSE;
- return TRUE;
-}
-
-/*===========================================================================*/
-/* Module exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Implement an a call to a NSEC function.
- * @details It activates the channel between the stubs service and
- * the skels daemon running in the nsec world.
- * To do it, it uses an event to signal the corresponding skel
- * daemon that a new op request is ready to be executed.
- * Behind the scenes, the skel daemon will then gets the op, calling
- * the stub service via smc. The daemon executes it and then calls
- * the stub service again to post the result and to wake up the
- * calling thread of this function.
- *
- * @param[in] op the 'remote' method description.
- *
- * @return the return value of 'remote' method.
- */
-uint32_t callRemote(stub_op_t *op) {
- uint32_t r;
-
- chSysLock();
- chFifoSendObjectI(&op->scp->ops_fifo, op);
- chEvtBroadcastFlagsI(&tsEventSource, op->scp->event_flag);
- chThdSuspendS(&op->op_wthdp);
- op->op_state = FREE;
- chSysUnlock();
- r = op->op_code;
- chFifoReturnObject(&op->scp->ops_fifo, op);
- return r;
-}
-
-stub_op_t *getNewOp(stub_ctx_t *scp) {
- stub_op_t *op = chFifoTakeObjectTimeout(&scp->ops_fifo, TIME_INFINITE);
- memset(op, 0, sizeof *op);
- op->op_state = CALLING;
- op->scp = scp;
- return op;
-}
-
-/**
- * @brief The stubs service.
- * @details And this is where the magic happens.
- */
-void TsStubService(ts_state_t *svcp, stub_ctx_t *scp) {
- skel_req_t *skrp;
- stub_op_t *op;
- msg_t r;
- int i;
-
- chFifoObjectInit(&scp->ops_fifo, sizeof (stub_op_t), STUB_MAX_OPS,
- sizeof (uint8_t), scp->ops, scp->ops_msgs);
- for (;/* ever */;) {
-
- /* Wait a service request.*/
- (void)tssiWaitRequest(svcp);
- skrp = (skel_req_t *)TS_GET_DATA(svcp);
- r = SMC_SVC_OK;
-
- /* Process the request.*/
- if (TS_GET_DATALEN(svcp) != sizeof (skel_req_t)) {
- TS_SET_STATUS(svcp, SMC_SVC_INVALID);
- continue;
- }
-
- switch (skrp->req) {
- case SKEL_REQ_READY:
- tsSkelIsReadyMask |= (eventflags_t)skrp->stub_op;
- break;
-
- case SKEL_REQ_GETOP:
-
- /* The nsec skeleton calls us to get a new op ready to be executed.*/
- if (chFifoReceiveObjectTimeout(&scp->ops_fifo, (void **)&op,
- TIME_IMMEDIATE) == MSG_TIMEOUT) {
-
- /* no op ready to be executed.*/
- r = SMC_SVC_NHND;
- break;
- }
- skrp->stub_op = (uint32_t)op;
- skrp->stub_op_code = op->op_code;
-
- /* Pass all the 'by value' arguments from stub to skel.*/
- for (i = 0; i < METHOD_MAX_PARAMS; ++i) {
- if (op->op_p[i].dir == OP_PRMDIR_NONE)
- skrp->stub_op_p[i] = op->op_p[i].val;
- }
- op->op_state = PENDING;
- break;
-
- case SKEL_REQ_CPYPRMS:
-
- /* The nsec skel calls us to get a copy of the 'in' parameters of
- the specified op.
- An 'in' parameter is an indirect argument, that is an argument
- the value of which is a pointer to a memory buffer, that
- must be copied in a non secure memory buffer.
- It represents data to be consumed by the callee.*/
- op = (stub_op_t *)skrp->stub_op;
- if (!isOpValid(scp, op) || op->op_state != PENDING ||
- op->op_code != skrp->stub_op_code) {
- r = SMC_SVC_INVALID;
- break;
- }
-
- /* Copy all 'in' parameters.
- For each parameter check that the destination memory area
- is in the non secure memory arena.*/
- for (i = 0; i < METHOD_MAX_PARAMS; ++i) {
- if ((op->op_p[i].dir & OP_PRMDIR_IN) == 0)
- continue;
- if (!tsIsAddrSpaceValid((void *)skrp->stub_op_p[i], op->op_p[i].size)) {
- r = SMC_SVC_INVALID;
- break;
- }
- memcpy((void *)skrp->stub_op_p[i], (void *)op->op_p[i].val,
- op->op_p[i].size);
- }
- break;
-
- case SKEL_REQ_PUTRES:
-
- /* The nsec skel calls us to put a copy of the 'out' parameters of
- the specified op.
- An 'out' parameter is an indirect argument, that is an argument
- the value of which is a pointer to a memory buffer, that
- must be copied in a secure memory buffer.
- It represents data produced by the callee.*/
- op = (stub_op_t *)skrp->stub_op;
- if (!isOpValid(scp, op) || op->op_state != PENDING ||
- op->op_code != skrp->stub_op_code) {
- r = SMC_SVC_INVALID;
- break;
- }
-
- /* Copy all 'out' parameters.
- For each parameter check that the source memory area
- is in the non secure memory arena, and that the size returned
- fits in the caller buffer size.*/
- for (i = 0; i < METHOD_MAX_PARAMS; ++i) {
- if ((op->op_p[i].dir & OP_PRMDIR_OUT) == 0)
- continue;
- if (!tsIsAddrSpaceValid((void *)skrp->stub_op_p[i], skrp->stub_op_p_sz[i])
- || (skrp->stub_op_p_sz[i] > op->op_p[i].size)) {
- r = SMC_SVC_INVALID;
- break;
- }
- memcpy((void *)op->op_p[i].val, (void *)skrp->stub_op_p[i],
- skrp->stub_op_p_sz[i]);
- }
- if (r != SMC_SVC_OK)
- break;
-
- /* Set the return value of the 'remote' callee method,
- and wake up the caller.*/
- op->op_code = skrp->stub_op_result;
- chThdResume(&op->op_wthdp, MSG_OK);
- break;
-
- default:
- r = SMC_SVC_INVALID;
- break;
- }
-
- /* Set the response.*/
- TS_SET_STATUS(svcp, r);
- }
-}
-
-/**
- * @brief Is the skeletons daemon ready to operate?
- * @details It is used at the startup to synchronize the
- * stub service with the skeleton daemon.
- */
-void tsWaitStubSkelReady(eventflags_t mask) {
- while ((tsSkelIsReadyMask & mask) != mask) {
- chThdSleepMilliseconds(100);
- }
-}
-
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