diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/atsam/utils/iocopy.c')
-rw-r--r-- | c/src/lib/libbsp/arm/atsam/utils/iocopy.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/c/src/lib/libbsp/arm/atsam/utils/iocopy.c b/c/src/lib/libbsp/arm/atsam/utils/iocopy.c deleted file mode 100644 index b91282dac6..0000000000 --- a/c/src/lib/libbsp/arm/atsam/utils/iocopy.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (c) 2018 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#include <bsp/iocopy.h> - -static void atsam_do_copy( - uint8_t *dst, - const uint8_t *src, - size_t n, - bool aligned -) -{ - if (aligned) { - while (n > 3) { - *(uint32_t *)dst = *(uint32_t *)src; - dst += 4; - src += 4; - n -= 4; - } - } - - while (n > 0) { - *dst = *src; - ++dst; - ++src; - --n; - } -} - -void atsam_copy_to_io(void *dst, const void *src, size_t n) -{ - atsam_do_copy(dst, src, n, ((uintptr_t)dst) % 4 == 0); -} - -void atsam_copy_from_io(void *dst, const void *src, size_t n) -{ - atsam_do_copy(dst, src, n, ((uintptr_t)src) % 4 == 0); -} |