1 files changed, 17 insertions, 0 deletions
diff --git a/src/user/knob/block.c b/src/user/knob/block.c
new file mode 100644
index 0000000..e890fa1
--- /dev/null
+++ b/src/user/knob/block.c
@@ -0,0 +1,17 @@
+#include <stdint.h>
+#include <stdbool.h>
+
+//unsophisticated, should copy by dwords where available
+void blockcpy(void *to, const void *from, uint32_t size) {
+  for (uint32_t i = 0; i < size; ++i)
+    *(uint8_t *)(to++) = *(const uint8_t *)(from++);
+}
+
+//unsophisticated, should check by dwords wheere available
+__attribute__ ((__pure__))
+bool blockequ(void *a, void *b, uint32_t size) {
+  for (uint32_t i = 0; i < size; ++i)
+    if (*(uint8_t *)(a++) != *(uint8_t *)(b++))
+      return false;
+  return true;
+}
+\ No newline at end of file