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-rw-r--r--pcilib/memcpy.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/pcilib/memcpy.c b/pcilib/memcpy.c
new file mode 100644
index 0000000..149d1fd
--- /dev/null
+++ b/pcilib/memcpy.c
@@ -0,0 +1,66 @@
+#define _POSIX_C_SOURCE 200112L
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <assert.h>
+#include <ctype.h>
+#include <time.h>
+#include <sched.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+
+#include "pci.h"
+#include "tools.h"
+#include "error.h"
+
+void *pcilib_memcpy8(void * dst, void const * src, size_t len) {
+ int i;
+ for (i = 0; i < len; i++) ((char*)dst)[i] = ((char*)src)[i];
+ return dst;
+}
+
+void *pcilib_memcpy32(void * dst, void const * src, size_t len) {
+ uint32_t * plDst = (uint32_t *) dst;
+ uint32_t const * plSrc = (uint32_t const *) src;
+
+ while (len >= 4) {
+// *plDst = ntohl(*plSrc);
+ *plDst = *plSrc;
+ plSrc++;
+ plDst++;
+ len -= 4;
+ }
+
+ char * pcDst = (char *) plDst;
+ char const * pcSrc = (char const *) plSrc;
+
+ while (len--) {
+ *pcDst++ = *pcSrc++;
+ }
+
+ return (dst);
+}
+
+
+void *pcilib_memcpy64(void * dst, void const * src, size_t len) {
+ uint64_t * plDst = (uint64_t *) dst;
+ uint64_t const * plSrc = (uint64_t const *) src;
+
+ while (len >= 8) {
+ *plDst++ = *plSrc++;
+ len -= 8;
+ }
+
+ char * pcDst = (char *) plDst;
+ char const * pcSrc = (char const *) plSrc;
+
+ while (len--) {
+ *pcDst++ = *pcSrc++;
+ }
+
+ return (dst);
+}
+