X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=misc%2Ftest_vm%2Fsrc%2Fgeekos%2Fcrc32.c;fp=misc%2Ftest_vm%2Fsrc%2Fgeekos%2Fcrc32.c;h=0000000000000000000000000000000000000000;hp=2107e07dbd3a8f57f8416070113f892baa292b46;hb=a70930549d1b741704dd7af4e6bb0e89f6f8a519;hpb=afb634a80f946634454a5d067a92aa600227bd93

diff --git a/misc/test_vm/src/geekos/crc32.c b/misc/test_vm/src/geekos/crc32.c
deleted file mode 100644
index 2107e07..0000000
--- a/misc/test_vm/src/geekos/crc32.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Copyright abandoned; this code is in the public domain. */
-/* Provided to GNUnet by peter@horizon.com */
-
-/*
- * Adapted for GeekOS by David Hovemeyer
- * Code downloaded from OVM (http://www.ovmj.org)
- */
-
-#include <geekos/crc32.h>
-#include <geekos/kassert.h>
-#include <geekos/debug.h>
-
-#define POLYNOMIAL (ulong_t)0xedb88320
-static ulong_t crc_table[256];
-
-/*
- * This routine writes each crc_table entry exactly once,
- * with the correct final value.  Thus, it is safe to call
- * even on a table that someone else is using concurrently.
- */
-void Init_CRC32(void) {
-  unsigned int i, j;
-  ulong_t h = 1;
-  PrintBoth("Initializing CRC32\n");
-  crc_table[0] = 0;
-  for (i = 128; i; i >>= 1) {
-    h = (h >> 1) ^ ((h & 1) ? POLYNOMIAL : 0);
-    /* h is now crc_table[i] */
-    for (j = 0; j < 256; j += 2*i)
-      crc_table[i+j] = crc_table[j] ^ h;
-  }
-}
-
-/*
- * This computes the standard preset and inverted CRC, as used
- * by most networking standards.  Start by passing in an initial
- * chaining value of 0, and then pass in the return value from the
- * previous crc32() call.  The final return value is the CRC.
- * Note that this is a little-endian CRC, which is best used with
- * data transmitted lsbit-first, and it should, itself, be appended
- * to data in little-endian byte and bit order to preserve the
- * property of detecting all burst errors of length 32 bits or less.
- */
-ulong_t crc32(ulong_t crc, char const *buf, size_t len) {
-  KASSERT(crc_table[255] != 0);
-  crc ^= 0xffffffff;
-  while (len--)
-    crc = (crc >> 8) ^ crc_table[(crc ^ *buf++) & 0xff];
-  return crc ^ 0xffffffff;
-}
-
-/* end of crc32.c */