eenurkka commented on code in PR #6304:
URL: https://github.com/apache/incubator-nuttx/pull/6304#discussion_r877895842
##########
arch/risc-v/src/mpfs/mpfs_ihc.c:
##########
@@ -367,6 +440,51 @@ static void mpfs_ihc_rx_handler(uint32_t *message, bool
is_ack)
}
}
+/****************************************************************************
+ * Name: mpfs_ihc_message_present_handler
+ *
+ * Description:
+ * This function fills up a structure that gets into the remote end, such
+ * as Linux kernel. The structure may contain data from the
+ * MPFS_IHC_MSG_IN -register, or in case of an ack, just the irq_type.
+ *
+ * Input Parameters:
+ * message - Pointer for storing data, must not be NULL
+ * mhartid - The primary hart id of a set of hartids. Not necessarily
+ * the absolute mhartid if multiple harts are incorporated
+ * within the remote (eg. Linux kernel used on 2 harts).
+ * rhartid - Remote hart id
+ * is_ack - Boolean indicating an ack message
+ *
+ * Returned Value:
+ * None
+ *
+ ****************************************************************************/
+
+static void mpfs_ihc_message_present_handler(uint32_t *message,
+ uint32_t mhartid,
+ uint32_t rhartid,
+ bool is_ack)
+{
+ struct ihc_sbi_rx_msg msg;
+ uintptr_t message_ihc = (uintptr_t)MPFS_IHC_MSG_IN(mhartid, rhartid);
+ uint32_t message_size_ihc = getreg32(MPFS_IHC_MSG_SIZE(mhartid, rhartid));
+
+ if (is_ack == true)
Review Comment:
Right
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