VAX/vax_syslist.c

   1 /* vax_sys.c: VAX simulator interface
   2
   3    Copyright (c) 1998-2006, Robert M Supnik
   4
   5    Permission is hereby granted, free of charge, to any person obtaining a
   6    copy of this software and associated documentation files (the "Software"),
   7    to deal in the Software without restriction, including without limitation
   8    the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9    and/or sell copies of the Software, and to permit persons to whom the
  10    Software is furnished to do so, subject to the following conditions:
  11
  12    The above copyright notice and this permission notice shall be included in
  13    all copies or substantial portions of the Software.
  14
  15    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18    ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  19    IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20    CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21
  22    Except as contained in this notice, the name of Robert M Supnik shall not be
  23    used in advertising or otherwise to promote the sale, use or other dealings
  24    in this Software without prior written authorization from Robert M Supnik.
  25
  26    17-Oct-06    RMS     Re-ordered device list
  27    17-May-06    RMS     Added CR11/CD11 support (from John Dundas)
  28    01-Oct-2004  RMS     Cloned from vax_sys.c
  29 */
  30
  31 #include "vax_defs.h"
  32
  33 char sim_name[] = "VAX";
  34
  35 extern DEVICE cpu_dev;
  36 extern DEVICE tlb_dev;
  37 extern DEVICE rom_dev;
  38 extern DEVICE nvr_dev;
  39 extern DEVICE sysd_dev;
  40 extern DEVICE qba_dev;
  41 extern DEVICE tti_dev, tto_dev;
  42 extern DEVICE cr_dev;
  43 extern DEVICE lpt_dev;
  44 extern DEVICE clk_dev;
  45 extern DEVICE rq_dev, rqb_dev, rqc_dev, rqd_dev;
  46 extern DEVICE rl_dev;
  47 extern DEVICE ry_dev;
  48 extern DEVICE ts_dev;
  49 extern DEVICE tq_dev;
  50 extern DEVICE dz_dev;
  51 extern DEVICE csi_dev, cso_dev;
  52 extern DEVICE xq_dev, xqb_dev;
  53 extern DEVICE vh_dev;
  54
  55 extern int32 sim_switches;
  56 extern void WriteB (uint32 pa, int32 val);
  57 extern void rom_wr_B (int32 pa, int32 val);
  58 extern UNIT cpu_unit;
  59
  60 DEVICE *sim_devices[] = {
  61     &cpu_dev,
  62     &tlb_dev,
  63     &rom_dev,
  64     &nvr_dev,
  65     &sysd_dev,
  66     &qba_dev,
  67     &clk_dev,
  68     &tti_dev,
  69     &tto_dev,
  70     &csi_dev,
  71     &cso_dev,
  72     &dz_dev,
  73     &vh_dev,
  74     &cr_dev,
  75     &lpt_dev,
  76     &rl_dev,
  77     &rq_dev,
  78     &rqb_dev,
  79     &rqc_dev,
  80     &rqd_dev,
  81     &ry_dev,
  82     &ts_dev,
  83     &tq_dev,
  84     &xq_dev,
  85     &xqb_dev,
  86     NULL
  87     };
  88
  89 /* Binary loader
  90
  91    The binary loader handles absolute system images, that is, system
  92    images linked /SYSTEM.  These are simply a byte stream, with no
  93    origin or relocation information.
  94
  95    -r           load ROM
  96    -n           load NVR
  97    -o           for memory, specify origin
  98 */
  99
 100 t_stat sim_load (FILE *fileref, char *cptr, char *fnam, int flag)
 101 {
 102 t_stat r;
 103 int32 i;
 104 uint32 origin, limit;
 105 extern int32 ssc_cnf;
 106 #define SSCCNF_BLO      0x80000000
 107
 108 if (flag) return SCPE_ARG;                              /* dump? */
 109 if (sim_switches & SWMASK ('R')) {                      /* ROM? */
 110     origin = ROMBASE;
 111     limit = ROMBASE + ROMSIZE;
 112     }
 113 else if (sim_switches & SWMASK ('N')) {                 /* NVR? */
 114     origin = NVRBASE;
 115     limit = NVRBASE + NVRSIZE;
 116     ssc_cnf = ssc_cnf & ~SSCCNF_BLO;
 117     }
 118 else {
 119     origin = 0;                                         /* memory */
 120     limit = (uint32) cpu_unit.capac;
 121     if (sim_switches & SWMASK ('O')) {                  /* origin? */
 122         origin = (int32) get_uint (cptr, 16, 0xFFFFFFFF, &r);
 123         if (r != SCPE_OK) return SCPE_ARG;
 124         }
 125     }
 126 while ((i = getc (fileref)) != EOF) {                   /* read byte stream */
 127     if (origin >= limit) return SCPE_NXM;               /* NXM? */
 128     if (sim_switches & SWMASK ('R'))                    /* ROM? */
 129         rom_wr_B (origin, i);                           /* not writeable */
 130     else WriteB (origin, i);                            /* store byte */
 131     origin = origin + 1;
 132     }
 133 return SCPE_OK;
 134 }
 135