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; 94