git: 79e01e7e643c - main - lib/libc/aarch64/string: add bcopy & bzero wrapper
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Date: Fri, 10 Jan 2025 15:04:01 UTC
The branch main has been updated by fuz:
URL: https://cgit.FreeBSD.org/src/commit/?id=79e01e7e643c9337d8d6046b6db7df674475a099
commit 79e01e7e643c9337d8d6046b6db7df674475a099
Author: Getz Mikalsen <getz@FreeBSD.org>
AuthorDate: 2024-08-28 13:13:45 +0000
Commit: Robert Clausecker <fuz@FreeBSD.org>
CommitDate: 2025-01-10 15:02:40 +0000
lib/libc/aarch64/string: add bcopy & bzero wrapper
This patch enabled usage of SIMD enhanced functions to implement
bcopy and bzero.
Tested by: fuz (exprun)
Reviewed by: fuz, emaste
Sponsored by: Google LLC (GSoC 2024)
PR: 281175
Differential Revision: https://reviews.freebsd.org/D46459
---
lib/libc/aarch64/string/Makefile.inc | 4 +++-
lib/libc/aarch64/string/bcopy.c | 14 ++++++++++++++
lib/libc/aarch64/string/bzero.c | 14 ++++++++++++++
3 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/lib/libc/aarch64/string/Makefile.inc b/lib/libc/aarch64/string/Makefile.inc
index 7325b54d9716..752cc6d9900b 100644
--- a/lib/libc/aarch64/string/Makefile.inc
+++ b/lib/libc/aarch64/string/Makefile.inc
@@ -30,7 +30,9 @@ MDSRCS+= \
memccpy.S \
strncat.c \
strlcat.c \
- strlen.S
+ strlen.S \
+ bcopy.c \
+ bzero.c
#
# Add the above functions. Generate an asm file that includes the needed
diff --git a/lib/libc/aarch64/string/bcopy.c b/lib/libc/aarch64/string/bcopy.c
new file mode 100644
index 000000000000..0dee529fb9df
--- /dev/null
+++ b/lib/libc/aarch64/string/bcopy.c
@@ -0,0 +1,14 @@
+/*-
+ * Public domain.
+ */
+
+#include <string.h>
+
+#undef bcopy /* _FORTIFY_SOURCE */
+
+void
+bcopy(const void *src, void *dst, size_t len)
+{
+
+ memmove(dst, src, len);
+}
diff --git a/lib/libc/aarch64/string/bzero.c b/lib/libc/aarch64/string/bzero.c
new file mode 100644
index 000000000000..d82f3061865b
--- /dev/null
+++ b/lib/libc/aarch64/string/bzero.c
@@ -0,0 +1,14 @@
+/*-
+ * Public domain.
+ */
+
+#include <string.h>
+
+#undef bzero /* _FORTIFY_SOURCE */
+
+void
+bzero(void *b, size_t len)
+{
+
+ memset(b, 0, len);
+}