sim/arm/armos.h

   1 /*  armos.h -- ARMulator OS definitions:  ARM6 Instruction Emulator.
   2     Copyright (C) 1994 Advanced RISC Machines Ltd.
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
  17
  18 /***************************************************************************\
  19 *                   Define the initial layout of memory                     *
  20 \***************************************************************************/
  21
  22 #define ADDRSUPERSTACK          0x800L  /* supervisor stack space */
  23 #define ADDRUSERSTACK           0x80000L        /* default user stack start */
  24 #define ADDRSOFTVECTORS         0x840L  /* soft vectors are here */
  25 #define ADDRCMDLINE             0xf00L  /* command line is here after a SWI GetEnv */
  26 #define ADDRSOFHANDLERS         0xad0L  /* address and workspace for installed handlers */
  27 #define SOFTVECTORCODE          0xb80L  /* default handlers */
  28
  29 /***************************************************************************\
  30 *                               SWI numbers                                 *
  31 \***************************************************************************/
  32
  33 #define SWI_WriteC                 0x0
  34 #define SWI_Write0                 0x2
  35 #define SWI_ReadC                  0x4
  36 #define SWI_CLI                    0x5
  37 #define SWI_GetEnv                 0x10
  38 #define SWI_Exit                   0x11
  39 #define SWI_EnterOS                0x16
  40
  41 #define SWI_GetErrno               0x60
  42 #define SWI_Clock                  0x61
  43 #define SWI_Time                   0x63
  44 #define SWI_Remove                 0x64
  45 #define SWI_Rename                 0x65
  46 #define SWI_Open                   0x66
  47
  48 #define SWI_Close                  0x68
  49 #define SWI_Write                  0x69
  50 #define SWI_Read                   0x6a
  51 #define SWI_Seek                   0x6b
  52 #define SWI_Flen                   0x6c
  53
  54 #define SWI_IsTTY                  0x6e
  55 #define SWI_TmpNam                 0x6f
  56 #define SWI_InstallHandler         0x70
  57 #define SWI_GenerateError          0x71
  58
  59 #define SWI_Breakpoint             0x180000     /* see gdb's tm-arm.h */
  60
  61 #define AngelSWI_ARM               0x123456
  62 #define AngelSWI_Thumb             0xAB
  63
  64 /* The reason codes: */
  65 #define AngelSWI_Reason_Open            (0x01)
  66 #define AngelSWI_Reason_Close           (0x02)
  67 #define AngelSWI_Reason_WriteC          (0x03)
  68 #define AngelSWI_Reason_Write0          (0x04)
  69 #define AngelSWI_Reason_Write           (0x05)
  70 #define AngelSWI_Reason_Read            (0x06)
  71 #define AngelSWI_Reason_ReadC           (0x07)
  72 #define AngelSWI_Reason_IsTTY           (0x09)
  73 #define AngelSWI_Reason_Seek            (0x0A)
  74 #define AngelSWI_Reason_FLen            (0x0C)
  75 #define AngelSWI_Reason_TmpNam          (0x0D)
  76 #define AngelSWI_Reason_Remove          (0x0E)
  77 #define AngelSWI_Reason_Rename          (0x0F)
  78 #define AngelSWI_Reason_Clock           (0x10)
  79 #define AngelSWI_Reason_Time            (0x11)
  80 #define AngelSWI_Reason_System          (0x12)
  81 #define AngelSWI_Reason_Errno           (0x13)
  82 #define AngelSWI_Reason_GetCmdLine      (0x15)
  83 #define AngelSWI_Reason_HeapInfo        (0x16)
  84 #define AngelSWI_Reason_EnterSVC        (0x17)
  85 #define AngelSWI_Reason_ReportException (0x18)
  86 #define ADP_Stopped_ApplicationExit     ((2 << 16) + 38)
  87 #define ADP_Stopped_RunTimeError        ((2 << 16) + 34)
  88
  89 #define FPESTART 0x2000L
  90 #define FPEEND 0x8000L
  91 #define FPEOLDVECT FPESTART + 0x100L + 8L * 16L + 4L    /* stack + 8 regs + fpsr */
  92 #define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L       /* branch from 4 to 0x2400 */
  93
  94 extern unsigned long fpecode[];
  95 extern unsigned long fpesize;