Release 6.2.1 on 08 Mar 2023. Expand to see details.v6.2.1_rel

cee19603d Include tx_user.h conditionally.
e40e08007 Update owners
d69641273 Update release date and version
394aee52f Add tx_user.h to GNU port assembly files
5cca2ddd0 RISC-V 64 bit port for Microchip
e0f2c373c Link Winmm.lib that required by the high-resolution timer.
6af472a68 Update Win32 port with high resolution timer.
aea7b556a Add DMB ISH barrier inst in ARMv8-A SMP scheduler
19091a262 Add .section .preamble to m3 m4 m7 module ports
ced60e1b7 Add missing parenthesis in ports assembly file
309dc77ca Modules Cortex-A7 IAR new port
c752a4063 Modules Cortex-A7 GNU new port
dc224b90f Fix race condition in tx_thread_wait_abort and update regression test
6e261f5b7 create threadx cmsis-pack

1 files changed, 135 insertions, 0 deletions

diff --git a/ports/risc-v64/gnu/src/tx_timer_interrupt.c b/ports/risc-v64/gnu/src/tx_timer_interrupt.c
new file mode 100644
index 00000000..a92eb5e9
--- /dev/null
+++ b/ports/risc-v64/gnu/src/tx_timer_interrupt.c
@@ -0,0 +1,135 @@
+/**************************************************************************/
+/*                                                                        */
+/*       Copyright (c) Microsoft Corporation. All rights reserved.        */
+/*                                                                        */
+/*       This software is licensed under the Microsoft Software License   */
+/*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
+/*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
+/*       and in the root directory of this software.                      */
+/*                                                                        */
+/**************************************************************************/
+
+
+/**************************************************************************/
+/**************************************************************************/
+/**                                                                       */
+/** ThreadX Component                                                     */
+/**                                                                       */
+/**   Timer                                                               */
+/**                                                                       */
+/**************************************************************************/
+/**************************************************************************/
+
+#define TX_SOURCE_CODE
+
+/* Include necessary system files.  */
+
+#include "tx_api.h"
+#include "tx_timer.h"
+#include "tx_thread.h"
+
+/**************************************************************************/
+/*                                                                        */
+/*  FUNCTION                                               RELEASE        */
+/*                                                                        */
+/*    _tx_timer_interrupt                                RISC-V64/GNU     */
+/*                                                           6.2.1        */
+/*  AUTHOR                                                                */
+/*                                                                        */
+/*    Scott Larson, Microsoft Corporation                                 */
+/*                                                                        */
+/*  DESCRIPTION                                                           */
+/*                                                                        */
+/*    This function processes the hardware timer interrupt.  This         */
+/*    processing includes incrementing the system clock and checking for  */
+/*    time slice and/or timer expiration.  If either is found, the        */
+/*    interrupt context save/restore functions are called along with the  */
+/*    expiration functions.                                               */
+/*                                                                        */
+/*  INPUT                                                                 */
+/*                                                                        */
+/*    None                                                                */
+/*                                                                        */
+/*  OUTPUT                                                                */
+/*                                                                        */
+/*    None                                                                */
+/*                                                                        */
+/*  CALLS                                                                 */
+/*                                                                        */
+/*    _tx_timer_expiration_process          Timer expiration processing   */
+/*    _tx_thread_time_slice                 Time slice interrupted thread */
+/*                                                                        */
+/*  CALLED BY                                                             */
+/*                                                                        */
+/*    interrupt vector                                                    */
+/*                                                                        */
+/*  RELEASE HISTORY                                                       */
+/*                                                                        */
+/*    DATE              NAME                      DESCRIPTION             */
+/*                                                                        */
+/*  03-08-2023      Scott Larson            Initial Version 6.2.1         */
+/*                                                                        */
+/**************************************************************************/
+VOID   _tx_timer_interrupt(VOID)
+{
+    /* Increment system clock. */
+    _tx_timer_system_clock++;
+
+    /* Test for time-slice expiration. */
+    if (_tx_timer_time_slice)
+    {
+        /* Decrement the time_slice.  */
+        _tx_timer_time_slice--;
+
+        /* Check for expiration.  */
+        if (_tx_timer_time_slice == 0)
+        {
+
+           /* Set the time-slice expired flag.  */
+           _tx_timer_expired_time_slice =  TX_TRUE;
+        }
+    }
+
+    /* Test for timer expiration.  */
+    if (*_tx_timer_current_ptr)
+    {
+
+        /* Set expiration flag.  */
+        _tx_timer_expired =  TX_TRUE;
+    }
+    else
+    {
+
+        /* No timer expired, increment the timer pointer.  */
+        _tx_timer_current_ptr++;
+
+        /* Check for wrap-around.  */
+        if (_tx_timer_current_ptr == _tx_timer_list_end)
+        {
+
+            /* Wrap to beginning of list.  */
+            _tx_timer_current_ptr =  _tx_timer_list_start;
+        }
+    }
+
+    /* See if anything has expired.  */
+    if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
+    {
+
+        /* Did a timer expire?  */
+        if (_tx_timer_expired)
+        {
+
+            /* Process timer expiration.  */
+            _tx_timer_expiration_process();
+        }
+
+        /* Did time slice expire?  */
+        if (_tx_timer_expired_time_slice)
+        {
+
+            /* Time slice interrupted thread.  */
+            _tx_thread_time_slice();
+        }
+    }
+}