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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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/* Copied from libgloss */
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/* General use syscall.h file.
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The more ports that use this file, the simpler sim/common/nltvals.def
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remains. */
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#ifndef LIBGLOSS_SYSCALL_H
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#define LIBGLOSS_SYSCALL_H
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/* Note: This file may be included by assembler source. */
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/* These should be as small as possible to allow a port to use a trap type
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instruction, which the system call # as the trap (the d10v for instance
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supports traps 0..31). An alternative would be to define one trap for doing
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system calls, and put the system call number in a register that is not used
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for the normal calling sequence (so that you don't have to shift down the
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arguments to add the system call number). Obviously, if these system call
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numbers are ever changed, all of the simulators and potentially user code
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will need to be updated. */
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/* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait,
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etc. etc. Don't add them. */
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/* These are required by the ANSI C part of newlib (excluding system() of
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course). */
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#define SYS_exit 1
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#define SYS_open 2
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#define SYS_close 3
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#define SYS_read 4
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#define SYS_write 5
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#define SYS_lseek 6
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#define SYS_unlink 7
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#define SYS_getpid 8
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#define SYS_kill 9
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#define SYS_fstat 10
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/*#define SYS_sbrk 11 - not currently a system call, but reserved. */
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/* ARGV support. */
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#define SYS_argvlen 12
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#define SYS_argv 13
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/* These are extras added for one reason or another. */
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#define SYS_chdir 14
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#define SYS_stat 15
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#define SYS_chmod 16
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#define SYS_utime 17
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#define SYS_time 18
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#define SYS_gettimeofday 19
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#define SYS_times 20
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#define SYS_link 21
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#endif
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