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 3 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, see <http://www.gnu.org/licenses/>. */
  16
  17 /* Define the initial layout of memory.  */
  18
  19 #define ADDRSUPERSTACK          0x800L  /* Supervisor stack space.  */
  20 #define ADDRUSERSTACK           0x80000L/* Default user stack start.  */
  21 #define ADDRSOFTVECTORS         0x840L  /* Soft vectors are here.  */
  22 #define ADDRCMDLINE             0xf00L  /* Command line is here after a SWI GetEnv.  */
  23 #define ADDRSOFHANDLERS         0xad0L  /* Address and workspace for installed handlers.  */
  24 #define SOFTVECTORCODE          0xb80L  /* Default handlers.  */
  25
  26 /* SWI numbers.  */
  27
  28 #define SWI_WriteC                 0x0
  29 #define SWI_Write0                 0x2
  30 #define SWI_ReadC                  0x4
  31 #define SWI_CLI                    0x5
  32 #define SWI_GetEnv                 0x10
  33 #define SWI_Exit                   0x11
  34 #define SWI_EnterOS                0x16
  35
  36 #define SWI_GetErrno               0x60
  37 #define SWI_Clock                  0x61
  38 #define SWI_Time                   0x63
  39 #define SWI_Remove                 0x64
  40 #define SWI_Rename                 0x65
  41 #define SWI_Open                   0x66
  42
  43 #define SWI_Close                  0x68
  44 #define SWI_Write                  0x69
  45 #define SWI_Read                   0x6a
  46 #define SWI_Seek                   0x6b
  47 #define SWI_Flen                   0x6c
  48
  49 #define SWI_IsTTY                  0x6e
  50 #define SWI_TmpNam                 0x6f
  51 #define SWI_InstallHandler         0x70
  52 #define SWI_GenerateError          0x71
  53
  54 #define SWI_Breakpoint             0x180000     /* See gdb's tm-arm.h  */
  55
  56 #define AngelSWI_ARM               0x123456
  57 #define AngelSWI_Thumb             0xAB
  58
  59 /* The reason codes:  */
  60 #define AngelSWI_Reason_Open            0x01
  61 #define AngelSWI_Reason_Close           0x02
  62 #define AngelSWI_Reason_WriteC          0x03
  63 #define AngelSWI_Reason_Write0          0x04
  64 #define AngelSWI_Reason_Write           0x05
  65 #define AngelSWI_Reason_Read            0x06
  66 #define AngelSWI_Reason_ReadC           0x07
  67 #define AngelSWI_Reason_IsTTY           0x09
  68 #define AngelSWI_Reason_Seek            0x0A
  69 #define AngelSWI_Reason_FLen            0x0C
  70 #define AngelSWI_Reason_TmpNam          0x0D
  71 #define AngelSWI_Reason_Remove          0x0E
  72 #define AngelSWI_Reason_Rename          0x0F
  73 #define AngelSWI_Reason_Clock           0x10
  74 #define AngelSWI_Reason_Time            0x11
  75 #define AngelSWI_Reason_System          0x12
  76 #define AngelSWI_Reason_Errno           0x13
  77 #define AngelSWI_Reason_GetCmdLine      0x15
  78 #define AngelSWI_Reason_HeapInfo        0x16
  79 #define AngelSWI_Reason_EnterSVC        0x17
  80 #define AngelSWI_Reason_ReportException 0x18
  81 #define ADP_Stopped_ApplicationExit     ((2 << 16) + 38)
  82 #define ADP_Stopped_RunTimeError        ((2 << 16) + 35)
  83
  84 /* Floating Point Emulator address space.  */
  85 #define FPESTART         0x2000L
  86 #define FPEEND           0x8000L
  87 #define FPEOLDVECT       FPESTART + 0x100L + 8L * 16L + 4L      /* Stack + 8 regs + fpsr.  */
  88 #define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L       /* Branch from 4 to 0x2400.  */
  89
  90 extern unsigned long fpecode[];
  91 extern unsigned long fpesize;
  92
  93 extern int SWI_vector_installed;