Incorporate bsdmake into buildsystem and reorganize libs

2010-02-16 14:41:33 +00:00
parent 6686e9ae9f
commit b706112487
1513 changed files with 8094 additions and 26613 deletions
@@ -0,0 +1,33 @@
+#include <lib.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <minix/profile.h>
+#include <minix/syslib.h>
+#include <minix/type.h>
+#include <minix/sysutil.h>
+
+/*===========================================================================*
+ *                              get_randomness                               *
+ *===========================================================================*/
+PUBLIC void get_randomness(rand, source)
+struct k_randomness *rand;
+int source;
+{
+/* Use architecture-dependent high-resolution clock for
+ * raw entropy gathering.
+ */
+  int r_next;
+  unsigned long tsc_high, tsc_low;
+ 
+  source %= RANDOM_SOURCES;
+  r_next= rand->bin[source].r_next;  
+  read_tsc(&tsc_high, &tsc_low);  
+  rand->bin[source].r_buf[r_next] = tsc_low;  
+  if (rand->bin[source].r_size < RANDOM_ELEMENTS) {  
+        rand->bin[source].r_size ++;  
+  }
+  rand->bin[source].r_next = (r_next + 1 ) % RANDOM_ELEMENTS;  
+} 
+  
+