Support for 64-bit registes

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);
+} 
+