openocd: src/flash: replace the GPL-2.0-or-later license tag

[openocd.git] / src / flash / nor / stm32l4x.h

diff --git a/src/flash/nor/stm32l4x.h b/src/flash/nor/stm32l4x.h
index 4cc50a0404002ab4953c2f23cfb67e563ffe064c..06cc66d4d8be578eaf6105169c2c244aac66560c 100644 (file)
--- a/src/flash/nor/stm32l4x.h
+++ b/src/flash/nor/stm32l4x.h
@@ -1,19 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2015 by Uwe Bonnes                                      *
  *   bon@elektron.ikp.physik.tu-darmstadt.de                               *
- *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifndef OPENOCD_FLASH_NOR_STM32L4X
@@ -136,9 +125,24 @@ struct stm32l4_work_area {
        } params;
        uint8_t stack[LDR_STACK_SIZE];
        struct flash_async_algorithm_circbuf {
+               /* note: stm32l4_work_area struct is shared between the loader
+                * and stm32l4x flash driver.
+                *
+                * '*wp' and '*rp' pointers' size is 4 bytes each since stm32l4x
+                * devices have 32-bit processors.
+                * however when used in openocd code, their size depends on the host
+                *   if the host is 32-bit, then the size is 4 bytes each.
+                *   if the host is 64-bit, then the size is 8 bytes each.
+                * to avoid this size difference, change their types depending on the
+                * usage (pointers for the loader, and 32-bit integers in openocd code).
+                */
+#ifdef OPENOCD_CONTRIB_LOADERS_FLASH_STM32_STM32L4X
                uint8_t *wp;
                uint8_t *rp;
-               uint8_t *buf;
+#else
+               uint32_t wp;
+               uint32_t rp;
+#endif /* OPENOCD_CONTRIB_LOADERS_FLASH_STM32_STM32L4X */
        } fifo;
 };