Changeset 1048 for libcaca/trunk/kernel/kernel.cTweet

Timestamp:

Sep 17, 2006, 2:44:18 PM (14 years ago)

Author:

Jean-Yves Lamoureux

Message:

• Updated kernel 'driver', still not working, but most of the work is done

File:

• libcaca/trunk/kernel/kernel.c (modified) (5 diffs)

libcaca/trunk/kernel/kernel.c

@@ -30 +30 @@
 #define LOWER(x) (IS_UPPER(x)?(x-('a'-'A')):x)
 
+/* Our default seed for random number generator */
+static int seed = 0x68743284;
+
 /* Our memory mapping */
 static uint32_t *freemem = (uint32_t*) 0x00200000;
@@ -95 +98 @@
 }
 
+int getpid(void)
+{
+    return 0x1337;
+}
+
+void srand(unsigned int s)
+{
+    seed = rand();
+}
+
+int time(void *dummy)
+{
+    return rand();
+}
+
 int rand(void)
 {
-    static int seed = 0x68743284;
     seed = (seed * 0x7f32ba17) ^ 0xf893a735;
     return seed % RAND_MAX;
@@ -158 +175 @@
 }
 
+int memcmp(const char *s1, const char *s2, size_t n)
+{
+    while(n) {
+        if(*s1 != *s2) return *s1-*s2;
+        *s1++;
+        *s2++;
+        n--;
+    }
+    return 0;
+}
+
+
 /* stdarg.h functions */
 int vsnprintf(char *str, size_t size, const char *format, va_list ap)
@@ -182 +211 @@
     /* FIXME */
     return NULL;
+}
+
+size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
+{
+    return 0;
 }
 
@@ -299 +333 @@
 }
 
+
+/* XXX FIXME Converts only from little endian to big endian (x86) */
+unsigned int htonl(unsigned int hostlong)
+{
+    return ((hostlong&0xFFFF0000)>>16)|((hostlong&0x0000FFFFFF)<<16);
+}
+
+/* XXX FIXME Converts only from little endian to big endian (x86) */
+unsigned short htons(unsigned short hostlong)
+{
+    return ((hostlong&0xFF00)>>8)|((hostlong&0x00FF)<<8);
+}
+
+
+
 #endif /* __KERNEL__ */