Support for 64-bit registes

1 files changed, 29 insertions, 0 deletions

diff --git a/pcilib/pagecpy.h b/pcilib/pagecpy.h
new file mode 100644
index 0000000..ef8636b
--- /dev/null
+++ b/pcilib/pagecpy.h
@@ -0,0 +1,29 @@
+#ifndef _PCILIB_PAGECPY_H
+#define _PCILIB_PAGECPY_H
+
+#include <stdio.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * This function should be used to move large blocks of non-cached memory between
+ * aligned memory locations. The function will determine the CPU model and alginment
+ * and call appropriate implementation. If nothing suitable found, standard memcpy
+ * will be used. It is OK to call on small or unligned data, the standard memcpy
+ * will be executed in this case. The memory regions should not intersect.
+ * Only AVX implementation so far.
+ * @param[out] dst - destination memory region
+ * @param[in] src - source memory region
+ * @param[in] size - size of memory region in bytes.
+ * @return - `dst` or NULL on error
+ */
+void pcilib_pagecpy(void *dst, void *src, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PCILIB_PAGECPY_H */