Core: Separate the partition db config to two parts
The partition db of TF-M contains fields that remain constant during
execution, and some of them are used to store dynamically changing
context information. This change groups the two kinds of fields in
separate structures to highlight the distinction.
Change-Id: I869504cb36010b54409a9963556f96ec1381bfbe
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>
diff --git a/secure_fw/spm/spm_api.h b/secure_fw/spm/spm_api.h
index ca4994c..039506c 100644
--- a/secure_fw/spm/spm_api.h
+++ b/secure_fw/spm/spm_api.h
@@ -30,6 +30,21 @@
};
/**
+ * \brief Runtime context information of a partition
+ */
+struct spm_partition_runtime_data_t {
+ uint32_t partition_state;
+ uint32_t caller_partition_id;
+ uint32_t orig_psp;
+ uint32_t orig_psplim;
+ uint32_t orig_lr;
+ uint32_t share;
+#if TFM_LVL != 1
+ uint32_t stack_ptr;
+#endif
+};
+
+/**
* \brief Configure isolated sandbox for a partition
*
* \param[in] partition_id Partition id
@@ -52,17 +67,6 @@
enum spm_err_t tfm_spm_partition_sandbox_deconfig(uint32_t partition_id);
/**
- * \brief Get saved stack pointer for a partition
- *
- * \param[in] partition_id Partition id
- *
- * \return Stack pointer value
- *
- * \note This function doesn't check if partition_id is valid.
- */
-uint32_t tfm_spm_partition_get_stack(uint32_t partition_id);
-
-/**
* \brief Get bottom of stack region for a partition
*
* \param[in] partition_id Partition id
@@ -85,72 +89,16 @@
uint32_t tfm_spm_partition_get_stack_top(uint32_t partition_id);
/**
- * \brief Get the current state of a partition
+ * \brief Get the current runtime data of a partition
*
* \param[in] partition_id Partition id
*
- * \return The state of the specified partition
- *
- * \note This function doesn't check if partition_id is valid.
- * \note The returned value has the value set of \ref spm_part_state_t.
- */
-uint32_t tfm_spm_partition_get_state(uint32_t partition_id);
-
-/**
- * \brief Get the Id of the caller of the partition given
- *
- * \param[in] partition_id Partition id to get the caller of
- *
- * \return The Id of the caller partition
+ * \return The runtime data of the specified partition
*
* \note This function doesn't check if partition_id is valid.
*/
-uint32_t tfm_spm_partition_get_caller_partition_id(uint32_t partition_id);
-
-/**
- * \brief Get the original PSP of the partition
- *
- * \param[in] partition_id Partition id
- *
- * \return The original PSP of the partition
- *
- * \note This function doesn't check if partition_id is valid.
- */
-uint32_t tfm_spm_partition_get_orig_psp(uint32_t partition_id);
-
-/**
- * \brief Get the original PSP limit of the partition
- *
- * \param[in] partition_id Partition id
- *
- * \return The original PSP limit of the partition
- *
- * \note This function doesn't check if partition_id is valid.
- */
-uint32_t tfm_spm_partition_get_orig_psplim(uint32_t partition_id);
-
-/**
- * \brief Get the original link register value of the partition
- *
- * \param[in] partition_id Partition id
- *
- * \return The original link register value of the partition
- *
- * \note This function doesn't check if partition_id is valid.
- */
-uint32_t tfm_spm_partition_get_orig_lr(uint32_t partition_id);
-
-/**
- * \brief Get the buffer share region of the partition
- *
- * \param[in] partition_id Partition id
- *
- * \return The buffer share region of the partition
- *
- * \note This function doesn't check if partition_id is valid.
- * \note The returned value has the value set of \ref tfm_buffer_share_region_e
- */
-uint32_t tfm_spm_partition_get_share(uint32_t partition_id);
+const struct spm_partition_runtime_data_t *
+ tfm_spm_partition_get_runtime_data(uint32_t partition_id);
/**
* \brief Returns the id of the partition that has running state