Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / include / calculatecrc.h

diff --git a/qemu/roms/SLOF/include/calculatecrc.h b/qemu/roms/SLOF/include/calculatecrc.h
new file mode 100644 (file)
index 0000000..2168478
--- /dev/null
+++ b/qemu/roms/SLOF/include/calculatecrc.h
@@ -0,0 +1,66 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#ifndef CALCULATECRC_H
+#define CALCULATECRC_H
+
+       #define FLASHFS_DATADDR 0x18                // uint64_t position of pointer to data
+       #define FLASHFS_FILE_SIZE_ADDR 0x08         // uint64_t pos of total flashimage size value relative to data
+       #define FLASHFS_HEADER_SIZE_ADDR 0x08       // uint64_t position of total flash header size value
+
+       #ifdef __ASSEMBLER__
+               // "CRC_GENERATOR" must contain equal inforamtion as "CRC_METHODE"
+               #define CRC_GENERATOR 0x0000000004C11DB7
+               #define CRC_REGISTERMASK 0x00000000FFFFFFFF
+               #define CRC_REGISTERLENGTH 32
+       #endif          /* __ASSEMBLER__ */
+
+       #ifndef __ASSEMBLER__
+               #define FLASHFS_ROMADDR 0x00            // uint64_t position of pointer to next file
+               #define FLASHFS_HEADER_DATA_SIZE 0x68   // 104 bytes of total header data size
+               #define CRC_METHODE Ethernet_32         // define the CRc genarator (CRC 16 bit to 64 is supported)
+
+       //--- header format ---------------------------------
+               struct stH {
+                               char magic[8];            // (generic!) headerfile
+                               uint64_t flashlen;        // dyn
+                               char version[16];         // $DRIVER_INFO alignment!
+                               char platform_name[32];   // (hardware)   headerfile
+                               char date[6];             // dyn (format -> JB)
+                               char padding1[2];         // padding byte
+                               char mdate[6];            // modify date
+                               char padding2[2];         // padding byte
+                               char platform_revision[4];// (hardware)   headerfile
+                               uint32_t padding;
+                               uint64_t ui64CRC;         // insert calculated CRC here
+                               uint64_t ui64FileEnd;     // = 0xFFFF FFFF FFFF FFFF
+               };
+       #endif          /* __ASSEMBLER__ */
+
+#endif         /* CALCULATECRC_H */
+
+/*--- supported CRC Generators -------------------------
++      Name                                            length          usage                                           Generator
++      Tap_16                                          16 bit          Tape                                            0x00008005      
++      Floppy_16                                       16 bit          Floppy                                          0x00001021
++      Ethernet_32                                     32 bit          Ethernet                                        0x04C11DB7
++      SPTrEMBL_64                                     64 bit          white noise like date           0x0000001B
++      SPTrEMBL_improved_64            64 bit          DNA code like date                      0xAD93D23594C9362D
++      DLT1_64                                         64 bit          Tape                                            0x42F0E1EBA9EA3693
++      
++      CRC_REGISTERLENGTH      = bit length
++      CRC_REGISTERMASK        = -1 for a n-bit numer where n = bit length
++              example TAP_16:         CRC_REGSISTERLENGTH = 16
++                                                      CRC_REGISTERMASK = 0xFFFFFFFF = (-1 if 16 bit number is used)
++
++      TrEMBL see also http://www.cs.ud.ac.uk/staff/D.Jones/crcbote.pdf
++      DLT1 se also    http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-182.pdf
++--------------------------------------------------------*/