zipl/include/zipl.h

   1 /*
   2  * s390-tools/zipl/include/zipl.h
   3  *   zSeries Initial Program Loader tool.
   4  *
   5  * Copyright IBM Corp. 2001, 2006.
   6  *
   7  * Author(s): Carsten Otte <cotte@de.ibm.com>
   8  *            Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>
   9  */
  10
  11 #ifndef ZIPL_H
  12 #define ZIPL_H
  13
  14 #include <stdint.h>
  15 #include "zt_common.h"
  16
  17 #define ZIPL_MAGIC                      "zIPL"
  18 #define ZIPL_MAGIC_SIZE                 4
  19 #define DISK_LAYOUT_ID                  0x00000001
  20
  21 #define ZIPL_STAGE2_LOAD_ADDRESS        0x2000
  22 #define ZIPL_STAGE3_ENTRY_ADDRESS       0xa028LL
  23 #define DEFAULT_PARMFILE_ADDRESS        0x1000LL
  24 #define DEFAULT_STAGE3_ADDRESS          0xa000LL
  25 #define DEFAULT_IMAGE_ADDRESS           0x10000LL
  26 #define MINIMUM_ADDRESS                 0x10000LL
  27 #define ADDRESS_LIMIT                   0x80000000LL
  28 #define UNSPECIFIED_ADDRESS             -1ULL
  29 #define MAXIMUM_PARMLINE_SIZE           0x1000
  30 #define MAXIMUM_STAGE3_SIZE             0x1000
  31 #define MAXIMUM_PHYSICAL_BLOCKSIZE      0x1000
  32
  33 #define PSW_ADDRESS_MASK                0x000000007fffffffLL
  34 #define PSW_LOAD                        0x0008000080000000LL
  35 #define PSW_DISABLED_WAIT               0x000a000000000000LL
  36
  37 #define KERNEL_HEADER_SIZE              65536
  38 #define BOOTMAP_FILENAME                "bootmap"
  39 #define BOOTMAP_TEMPLATE_FILENAME       "bootmap_temp.XXXXXX"
  40
  41 #define ZIPL_CONF_VAR                   "ZIPLCONF"
  42 #define ZIPL_DEFAULT_CONF               "/etc/zipl.conf"
  43
  44 #define FSDUMP_IMAGE    STRINGIFY(ZFCPDUMP_DIR) "/" STRINGIFY(ZFCPDUMP_IMAGE)
  45 #define FSDUMP_RAMDISK  STRINGIFY(ZFCPDUMP_DIR) "/" STRINGIFY(ZFCPDUMP_RD)
  46
  47 #define MAX_DUMP_VOLUMES                32
  48
  49 /* Internal component load address type */
  50 typedef uint64_t address_t;
  51
  52 /* Type for address calculations */
  53 #define VOID_ADD(ptr, offset)   ((void *) (((unsigned long) ptr) + \
  54                                 ((unsigned long) offset)))
  55
  56 /* Call a function depending on the value of dry_run and return either the
  57  * resulting return code or 0. */
  58 #define DRY_RUN_FUNC(x) (dry_run ? 0 : (x))
  59
  60 #define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
  61 #define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
  62
  63 extern int verbose;
  64 extern int interactive;
  65 extern int dry_run;
  66
  67 #endif /* not ZIPL_H */