Open-source the TEE Core

Signed-off-by: Pascal Brand <pascal.brand@st.com>

1 files changed, 74 insertions, 0 deletions

diff --git a/core/tee/tee_obj.c b/core/tee/tee_obj.c
new file mode 100644
index 00000000..7a381ca7
--- /dev/null
+++ b/core/tee/tee_obj.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2014, STMicroelectronics International N.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <tee/tee_obj.h>
+
+#include <stdlib.h>
+#include <tee_api_defines.h>
+#include <mm/tee_mmu.h>
+#include <tee/tee_fs.h>
+#include <tee/tee_pobj.h>
+
+void tee_obj_add(struct tee_ta_ctx *ctx, struct tee_obj *o)
+{
+	TAILQ_INSERT_TAIL(&ctx->objects, o, link);
+}
+
+TEE_Result tee_obj_get(struct tee_ta_ctx *ctx, uint32_t obj_id,
+		       struct tee_obj **obj)
+{
+	struct tee_obj *o;
+
+	TAILQ_FOREACH(o, &ctx->objects, link) {
+		if (obj_id == (uint32_t) o) {
+			*obj = o;
+			return TEE_SUCCESS;
+		}
+	}
+	return TEE_ERROR_BAD_PARAMETERS;
+}
+
+void tee_obj_close(struct tee_ta_ctx *ctx, struct tee_obj *o)
+{
+	TAILQ_REMOVE(&ctx->objects, o, link);
+
+	if ((o->info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) && o->fd) {
+		tee_fs_close(o->fd);
+		tee_pobj_release(o->pobj);
+	}
+
+	free(o->data);
+	free(o);
+}
+
+void tee_obj_close_all(struct tee_ta_ctx *ctx)
+{
+	struct tee_obj_head *objects = &ctx->objects;
+
+	while (!TAILQ_EMPTY(objects))
+		tee_obj_close(ctx, TAILQ_FIRST(objects));
+}