summaryrefslogtreecommitdiffstats
path: root/arch/sh/lib/div64-generic.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sh/lib/div64-generic.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/lib/div64-generic.c')
-rw-r--r--arch/sh/lib/div64-generic.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sh/lib/div64-generic.c b/arch/sh/lib/div64-generic.c
new file mode 100644
index 0000000000..0b67fbc44f
--- /dev/null
+++ b/arch/sh/lib/div64-generic.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Generic __div64_32 wrapper for __xdiv64_32.
+ */
+
+#include <linux/types.h>
+#include <asm/div64.h>
+
+extern uint64_t __xdiv64_32(u64 n, u32 d);
+
+uint32_t __div64_32(u64 *xp, u32 y)
+{
+ uint32_t rem;
+ uint64_t q = __xdiv64_32(*xp, y);
+
+ rem = *xp - q * y;
+ *xp = q;
+
+ return rem;
+}