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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 17 18/* Define the initial layout of memory. */ 19 20#define ADDRSUPERSTACK 0x800L /* Supervisor stack space. */ 21#define ADDRUSERSTACK 0x80000L/* Default user stack start. */ 22#define ADDRSOFTVECTORS 0x840L /* Soft vectors are here. */ 23#define ADDRCMDLINE 0xf00L /* Command line is here after a SWI GetEnv. */ 24#define ADDRSOFHANDLERS 0xad0L /* Address and workspace for installed handlers. */ 25#define SOFTVECTORCODE 0xb80L /* Default handlers. */ 26 27/* SWI numbers. */ 28 29#define SWI_WriteC 0x0 30#define SWI_Write0 0x2 31#define SWI_ReadC 0x4 32#define SWI_CLI 0x5 33#define SWI_GetEnv 0x10 34#define SWI_Exit 0x11 35#define SWI_EnterOS 0x16 36 37#define SWI_GetErrno 0x60 38#define SWI_Clock 0x61 39#define SWI_Time 0x63 40#define SWI_Remove 0x64 41#define SWI_Rename 0x65 42#define SWI_Open 0x66 43 44#define SWI_Close 0x68 45#define SWI_Write 0x69 46#define SWI_Read 0x6a 47#define SWI_Seek 0x6b 48#define SWI_Flen 0x6c 49 50#define SWI_IsTTY 0x6e 51#define SWI_TmpNam 0x6f 52#define SWI_InstallHandler 0x70 53#define SWI_GenerateError 0x71 54 55#define SWI_Breakpoint 0x180000 /* See gdb's tm-arm.h */ 56 57#define AngelSWI_ARM 0x123456 58#define AngelSWI_Thumb 0xAB 59 60/* The reason codes: */ 61#define AngelSWI_Reason_Open 0x01 62#define AngelSWI_Reason_Close 0x02 63#define AngelSWI_Reason_WriteC 0x03 64#define AngelSWI_Reason_Write0 0x04 65#define AngelSWI_Reason_Write 0x05 66#define AngelSWI_Reason_Read 0x06 67#define AngelSWI_Reason_ReadC 0x07 68#define AngelSWI_Reason_IsTTY 0x09 69#define AngelSWI_Reason_Seek 0x0A 70#define AngelSWI_Reason_FLen 0x0C 71#define AngelSWI_Reason_TmpNam 0x0D 72#define AngelSWI_Reason_Remove 0x0E 73#define AngelSWI_Reason_Rename 0x0F 74#define AngelSWI_Reason_Clock 0x10 75#define AngelSWI_Reason_Time 0x11 76#define AngelSWI_Reason_System 0x12 77#define AngelSWI_Reason_Errno 0x13 78#define AngelSWI_Reason_GetCmdLine 0x15 79#define AngelSWI_Reason_HeapInfo 0x16 80#define AngelSWI_Reason_EnterSVC 0x17 81#define AngelSWI_Reason_ReportException 0x18 82#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) 83#define ADP_Stopped_RunTimeError ((2 << 16) + 35) 84 85/* Floating Point Emulator address space. */ 86#define FPESTART 0x2000L 87#define FPEEND 0x8000L 88#define FPEOLDVECT FPESTART + 0x100L + 8L * 16L + 4L /* Stack + 8 regs + fpsr. */ 89#define FPENEWVECT(addr) 0xea000000L + ((addr) >> 2) - 3L /* Branch from 4 to 0x2400. */ 90 91extern unsigned long fpecode[]; 92extern unsigned long fpesize; 93 94extern int SWI_vector_installed; 95