Subversion Repositories openrisc_2011-10-31

/*  armos.h -- ARMulator OS definitions:  ARM6 Instruction Emulator.

    Copyright (C) 1994 Advanced RISC Machines Ltd.

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */

/* Define the initial layout of memory.  */

#define ADDRSUPERSTACK          0x800L  /* Supervisor stack space.  */

#define ADDRUSERSTACK           0x80000L/* Default user stack start.  */

#define ADDRSOFTVECTORS         0x840L  /* Soft vectors are here.  */

#define ADDRCMDLINE             0xf00L  /* Command line is here after a SWI GetEnv.  */

#define ADDRSOFHANDLERS         0xad0L  /* Address and workspace for installed handlers.  */

#define SOFTVECTORCODE          0xb80L  /* Default handlers.  */

/* SWI numbers.  */

#define SWI_WriteC                 0x0

#define SWI_Write0                 0x2

#define SWI_ReadC                  0x4

#define SWI_CLI                    0x5

#define SWI_GetEnv                 0x10

#define SWI_Exit                   0x11

#define SWI_EnterOS                0x16

#define SWI_GetErrno               0x60

#define SWI_Clock                  0x61

#define SWI_Time                   0x63

#define SWI_Remove                 0x64

#define SWI_Rename                 0x65

#define SWI_Open                   0x66

#define SWI_Close                  0x68

#define SWI_Write                  0x69

#define SWI_Read                   0x6a

#define SWI_Seek                   0x6b

#define SWI_Flen                   0x6c

#define SWI_IsTTY                  0x6e

#define SWI_TmpNam                 0x6f

#define SWI_InstallHandler         0x70

#define SWI_GenerateError          0x71

#define SWI_Breakpoint             0x180000     /* See gdb's tm-arm.h  */

#define AngelSWI_ARM               0x123456

#define AngelSWI_Thumb             0xAB

/* The reason codes:  */

#define AngelSWI_Reason_Open            0x01

#define AngelSWI_Reason_Close           0x02

#define AngelSWI_Reason_WriteC          0x03

#define AngelSWI_Reason_Write0          0x04

#define AngelSWI_Reason_Write           0x05

#define AngelSWI_Reason_Read            0x06

#define AngelSWI_Reason_ReadC           0x07

#define AngelSWI_Reason_IsTTY           0x09

#define AngelSWI_Reason_Seek            0x0A

#define AngelSWI_Reason_FLen            0x0C

#define AngelSWI_Reason_TmpNam          0x0D

#define AngelSWI_Reason_Remove          0x0E

#define AngelSWI_Reason_Rename          0x0F

#define AngelSWI_Reason_Clock           0x10

#define AngelSWI_Reason_Time            0x11

#define AngelSWI_Reason_System          0x12

#define AngelSWI_Reason_Errno           0x13

#define AngelSWI_Reason_GetCmdLine      0x15

#define AngelSWI_Reason_HeapInfo        0x16

#define AngelSWI_Reason_EnterSVC        0x17

#define AngelSWI_Reason_ReportException 0x18

#define ADP_Stopped_ApplicationExit     ((2 << 16) + 38)

#define ADP_Stopped_RunTimeError        ((2 << 16) + 35)

/* Floating Point Emulator address space.  */

#define FPESTART         0x2000L

#define FPEEND           0x8000L

#define FPEOLDVECT       FPESTART + 0x100L + 8L * 16L + 4L      /* Stack + 8 regs + fpsr.  */

#define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L       /* Branch from 4 to 0x2400.  */

extern unsigned long fpecode[];

extern unsigned long fpesize;

extern int SWI_vector_installed;