armos.h revision 1.1.1.1 
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