URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Details |
Compare with Previous |
View Log
Line No. |
Rev |
Author |
Line |
1 |
207 |
jeremybenn |
/* mon960 syscall.h file. This is used only by the simulator. This matches
|
2 |
|
|
the syscall numbers used by mon-syscalls.S, but is otherwise a copy of
|
3 |
|
|
the libgloss/syscall.h file. */
|
4 |
|
|
/* ??? This file should be used by mon-syscalls.S to avoid maintenance
|
5 |
|
|
problems. */
|
6 |
|
|
|
7 |
|
|
#ifndef LIBGLOSS_SYSCALL_H
|
8 |
|
|
#define LIBGLOSS_SYSCALL_H
|
9 |
|
|
|
10 |
|
|
/* Note: This file may be included by assembler source. */
|
11 |
|
|
|
12 |
|
|
/* These should be as small as possible to allow a port to use a trap type
|
13 |
|
|
instruction, which the system call # as the trap (the d10v for instance
|
14 |
|
|
supports traps 0..31). An alternative would be to define one trap for doing
|
15 |
|
|
system calls, and put the system call number in a register that is not used
|
16 |
|
|
for the normal calling sequence (so that you don't have to shift down the
|
17 |
|
|
arguments to add the system call number). Obviously, if these system call
|
18 |
|
|
numbers are ever changed, all of the simulators and potentially user code
|
19 |
|
|
will need to be updated. */
|
20 |
|
|
|
21 |
|
|
/* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait,
|
22 |
|
|
etc. etc. Don't add them. */
|
23 |
|
|
|
24 |
|
|
/* These are required by the ANSI C part of newlib (excluding system() of
|
25 |
|
|
course). */
|
26 |
|
|
#define SYS_exit 257
|
27 |
|
|
#define SYS_open 230
|
28 |
|
|
#define SYS_close 234
|
29 |
|
|
#define SYS_read 231
|
30 |
|
|
#define SYS_write 232
|
31 |
|
|
#define SYS_lseek 233
|
32 |
|
|
|
33 |
|
|
/* ??? The following system calls apparently aren't support by mon960. */
|
34 |
|
|
#define SYS_unlink 7
|
35 |
|
|
#define SYS_getpid 8
|
36 |
|
|
#define SYS_kill 9
|
37 |
|
|
#define SYS_fstat 10
|
38 |
|
|
/*#define SYS_sbrk 11 - not currently a system call, but reserved. */
|
39 |
|
|
|
40 |
|
|
/* ARGV support. */
|
41 |
|
|
#define SYS_argvlen 12
|
42 |
|
|
#define SYS_argv 13
|
43 |
|
|
|
44 |
|
|
/* These are extras added for one reason or another. */
|
45 |
|
|
#define SYS_chdir 14
|
46 |
|
|
#define SYS_stat 15
|
47 |
|
|
#define SYS_chmod 16
|
48 |
|
|
#define SYS_utime 17
|
49 |
|
|
#define SYS_time 18
|
50 |
|
|
|
51 |
|
|
#endif
|
© copyright 1999-2024
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.