[U-Boot] [PATCH v2 5/5] examples: add fallback memcpy

Rob Clark
2017-09-09T10:47:43Z

Solves build issue:

Building current source for 134 boards (12 threads, 1 job per thread)
arm: + lsxhl
+examples/api/vsprintf.o: In function `string16':
+lib/vsprintf.c:278: undefined reference to `memcpy'
+examples/api/uuid.o: In function `uuid_bin_to_str':
+lib/uuid.c:197: undefined reference to `memcpy'
+lib/uuid.c:199: undefined reference to `memcpy'
+make[3]: *** [examples/api/demo] Error 1
+make[2]: *** [examples/api] Error 2
+make[1]: *** [examples] Error 2
+make: *** [sub-make] Error 2
133 0 1 /134 sheevaplug

Signed-off-by: Rob Clark <robdclark@gmail.com>
---
examples/api/glue.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/examples/api/glue.c b/examples/api/glue.c
index 8aabf32c89..575c1e55f3 100644
--- a/examples/api/glue.c
+++ b/examples/api/glue.c
@@ -416,3 +416,15 @@ void ub_display_clear(void)
{
syscall(API_DISPLAY_CLEAR, NULL);
}
+
+__weak void *memcpy(void *dest, const void *src, size_t size)
+{
+ unsigned char *dptr = dest;
+ const unsigned char *ptr = src;
+ const unsigned char *end = src + size;
+
+ while (ptr < end)
+ *dptr++ = *ptr++;
+
+ return dest;
+}
--
2.13.5