Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / fs / hfs / low.c

diff --git a/qemu/roms/openbios/fs/hfs/low.c b/qemu/roms/openbios/fs/hfs/low.c
new file mode 100644 (file)
index 0000000..e0f7cb0
--- /dev/null
+++ b/qemu/roms/openbios/fs/hfs/low.c
@@ -0,0 +1,157 @@
+/*
+ * libhfs - library for reading and writing Macintosh HFS volumes
+ * Copyright (C) 1996-1998, 2001 Robert Leslie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ * $Id: low.c,v 1.8 1998/11/02 22:09:03 rob Exp $
+ */
+
+#include "config.h"
+#include "libhfs.h"
+#include "low.h"
+#include "data.h"
+#include "block.h"
+#include "file.h"
+
+/*
+ * NAME:       low->getpmentry()
+ * DESCRIPTION:        read a partition map entry
+ */
+int l_getpmentry(hfsvol *vol, Partition *map, unsigned long bnum)
+{
+  block b;
+  const byte *ptr = b;
+  int i;
+
+  if (b_readpb(vol, bnum, &b, 1) == -1)
+    goto fail;
+
+  d_fetchsw(&ptr, &map->pmSig);
+  d_fetchsw(&ptr, &map->pmSigPad);
+  d_fetchsl(&ptr, &map->pmMapBlkCnt);
+  d_fetchsl(&ptr, &map->pmPyPartStart);
+  d_fetchsl(&ptr, &map->pmPartBlkCnt);
+
+  strncpy((char *) map->pmPartName, (const char *) ptr, 32);
+  map->pmPartName[32] = 0;
+  ptr += 32;
+
+  strncpy((char *) map->pmParType, (const char *) ptr, 32);
+  map->pmParType[32] = 0;
+  ptr += 32;
+
+  d_fetchsl(&ptr, &map->pmLgDataStart);
+  d_fetchsl(&ptr, &map->pmDataCnt);
+  d_fetchsl(&ptr, &map->pmPartStatus);
+  d_fetchsl(&ptr, &map->pmLgBootStart);
+  d_fetchsl(&ptr, &map->pmBootSize);
+  d_fetchsl(&ptr, &map->pmBootAddr);
+  d_fetchsl(&ptr, &map->pmBootAddr2);
+  d_fetchsl(&ptr, &map->pmBootEntry);
+  d_fetchsl(&ptr, &map->pmBootEntry2);
+  d_fetchsl(&ptr, &map->pmBootCksum);
+
+  strncpy((char *) map->pmProcessor, (const char *) ptr, 16);
+  map->pmProcessor[16] = 0;
+  ptr += 16;
+
+  for (i = 0; i < 188; ++i)
+    d_fetchsw(&ptr, &map->pmPad[i]);
+
+  ASSERT(ptr - b == HFS_BLOCKSZ);
+
+  return 0;
+
+fail:
+  return -1;
+}
+
+
+/*
+ * NAME:       low->getmdb()
+ * DESCRIPTION:        read a master directory block
+ */
+int l_getmdb(hfsvol *vol, MDB *mdb, int backup)
+{
+  block b;
+  const byte *ptr = b;
+  int i;
+
+  if (b_readlb(vol, backup ? vol->vlen - 2 : 2, &b) == -1)
+    goto fail;
+
+  d_fetchsw(&ptr, &mdb->drSigWord);
+  d_fetchsl(&ptr, &mdb->drCrDate);
+  d_fetchsl(&ptr, &mdb->drLsMod);
+  d_fetchsw(&ptr, &mdb->drAtrb);
+  d_fetchuw(&ptr, &mdb->drNmFls);
+  d_fetchuw(&ptr, &mdb->drVBMSt);
+  d_fetchuw(&ptr, &mdb->drAllocPtr);
+  d_fetchuw(&ptr, &mdb->drNmAlBlks);
+  d_fetchul(&ptr, &mdb->drAlBlkSiz);
+  d_fetchul(&ptr, &mdb->drClpSiz);
+  d_fetchuw(&ptr, &mdb->drAlBlSt);
+  d_fetchsl(&ptr, &mdb->drNxtCNID);
+  d_fetchuw(&ptr, &mdb->drFreeBks);
+
+  d_fetchstr(&ptr, mdb->drVN, sizeof(mdb->drVN));
+
+  ASSERT(ptr - b == 64);
+
+  d_fetchsl(&ptr, &mdb->drVolBkUp);
+  d_fetchsw(&ptr, &mdb->drVSeqNum);
+  d_fetchul(&ptr, &mdb->drWrCnt);
+  d_fetchul(&ptr, &mdb->drXTClpSiz);
+  d_fetchul(&ptr, &mdb->drCTClpSiz);
+  d_fetchuw(&ptr, &mdb->drNmRtDirs);
+  d_fetchul(&ptr, &mdb->drFilCnt);
+  d_fetchul(&ptr, &mdb->drDirCnt);
+
+  for (i = 0; i < 8; ++i)
+    d_fetchsl(&ptr, &mdb->drFndrInfo[i]);
+
+  ASSERT(ptr - b == 124);
+
+  d_fetchuw(&ptr, &mdb->drEmbedSigWord);
+  d_fetchuw(&ptr, &mdb->drEmbedExtent.xdrStABN);
+  d_fetchuw(&ptr, &mdb->drEmbedExtent.xdrNumABlks);
+
+  d_fetchul(&ptr, &mdb->drXTFlSize);
+
+  for (i = 0; i < 3; ++i)
+    {
+      d_fetchuw(&ptr, &mdb->drXTExtRec[i].xdrStABN);
+      d_fetchuw(&ptr, &mdb->drXTExtRec[i].xdrNumABlks);
+    }
+
+  ASSERT(ptr - b == 146);
+
+  d_fetchul(&ptr, &mdb->drCTFlSize);
+
+  for (i = 0; i < 3; ++i)
+    {
+      d_fetchuw(&ptr, &mdb->drCTExtRec[i].xdrStABN);
+      d_fetchuw(&ptr, &mdb->drCTExtRec[i].xdrNumABlks);
+    }
+
+  ASSERT(ptr - b == 162);
+
+  return 0;
+
+fail:
+  return -1;
+}