Last change
on this file since 630 was
444,
checked in by satin@…, 7 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.7 KB
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Line | |
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1 | /* General use syscall.h file. |
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2 | The more ports that use this file, the simpler sim/common/nltvals.def |
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3 | remains. */ |
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4 | |
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5 | #ifndef LIBGLOSS_SYSCALL_H |
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6 | #define LIBGLOSS_SYSCALL_H |
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7 | |
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8 | /* Note: This file may be included by assembler source. */ |
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9 | |
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10 | /* These should be as small as possible to allow a port to use a trap type |
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11 | instruction, which the system call # as the trap (the d10v for instance |
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12 | supports traps 0..31). An alternative would be to define one trap for doing |
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13 | system calls, and put the system call number in a register that is not used |
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14 | for the normal calling sequence (so that you don't have to shift down the |
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15 | arguments to add the system call number). Obviously, if these system call |
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16 | numbers are ever changed, all of the simulators and potentially user code |
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17 | will need to be updated. */ |
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18 | |
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19 | /* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait, |
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20 | etc. etc. Don't add them. */ |
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21 | |
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22 | /* These are required by the ANSI C part of newlib (excluding system() of |
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23 | course). */ |
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24 | #define SYS_exit 1 |
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25 | #define SYS_open 2 |
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26 | #define SYS_close 3 |
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27 | #define SYS_read 4 |
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28 | #define SYS_write 5 |
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29 | #define SYS_lseek 6 |
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30 | #define SYS_unlink 7 |
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31 | #define SYS_getpid 8 |
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32 | #define SYS_kill 9 |
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33 | #define SYS_fstat 10 |
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34 | /*#define SYS_sbrk 11 - not currently a system call, but reserved. */ |
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35 | |
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36 | /* ARGV support. */ |
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37 | #define SYS_argvlen 12 |
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38 | #define SYS_argv 13 |
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39 | |
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40 | /* These are extras added for one reason or another. */ |
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41 | #define SYS_chdir 14 |
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42 | #define SYS_stat 15 |
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43 | #define SYS_chmod 16 |
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44 | #define SYS_utime 17 |
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45 | #define SYS_time 18 |
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46 | #define SYS_gettimeofday 19 |
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47 | #define SYS_times 20 |
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48 | #define SYS_link 21 |
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49 | |
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50 | /* New ARGV support. */ |
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51 | #define SYS_argc 22 |
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52 | #define SYS_argnlen 23 |
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53 | #define SYS_argn 24 |
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54 | |
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55 | /* SID simulator runtime reconfiguration. */ |
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56 | #define SYS_reconfig 25 |
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57 | |
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58 | #endif |
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