optimize: replace while loop by memcpy

[openocd.git] / src / flash / nor / stm32lx.c

diff --git a/src/flash/nor/stm32lx.c b/src/flash/nor/stm32lx.c
index 8a6ad7bcb3a04e8120401c7a87ae7d1dd8d10d42..29a7aac9fc91abf73472c35000348c8ee861c040 100644 (file)
--- a/src/flash/nor/stm32lx.c
+++ b/src/flash/nor/stm32lx.c
@@ -464,17 +464,12 @@ static int stm32lx_write(struct flash_bank *bank, uint8_t *buffer,
 
        if (bytes_remaining)
        {
-               uint32_t value = 0;
-               for (int i = 0; i < 4; i++)
-               {
-                       if (bytes_remaining)
-                       {
-                               value += (buffer[i] << (8 * i));
-                               bytes_remaining--;
-                       }
-               }
+               uint8_t last_word[4] = {0xff, 0xff, 0xff, 0xff};
 
-               retval = target_write_u32(target, address, value);
+               /* copy the last remaining bytes into the write buffer */
+               memcpy(last_word, buffer+bytes_written, bytes_remaining);
+
+               retval = target_write_buffer(target, address, 4, last_word);
                if (retval != ERROR_OK)
                        return retval;