Last change
on this file since 652 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
601 bytes
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Rev | Line | |
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[444] | 1 | # xstormy16 system calls for the simulator |
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| 2 | |
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| 3 | #include <syscall.h> |
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| 4 | |
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| 5 | .text |
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| 6 | |
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| 7 | define(`syscall',`.globl _`'$1 |
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| 8 | _`'$1`': |
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| 9 | mov r1,#SYS_$1 |
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| 10 | .hword 0x0001 |
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| 11 | bnz r1,#0,syscall_error |
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| 12 | ret |
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| 13 | 0: .size $1,0b-_$1 |
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| 14 | ')dnl |
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| 15 | syscall(exit) |
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| 16 | syscall(open) |
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| 17 | syscall(close) |
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| 18 | syscall(read) |
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| 19 | syscall(write) |
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| 20 | syscall(lseek) |
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| 21 | syscall(unlink) |
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| 22 | syscall(getpid) |
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| 23 | syscall(kill) |
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| 24 | syscall(fstat) |
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| 25 | syscall(chdir) |
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| 26 | syscall(stat) |
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| 27 | syscall(chmod) |
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| 28 | syscall(utime) |
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| 29 | syscall(time) |
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| 30 | syscall(gettimeofday) |
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| 31 | syscall(times) |
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| 32 | syscall(link) |
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| 33 | dnl |
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| 34 | syscall_error: |
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| 35 | push r0 |
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| 36 | callf __errno |
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| 37 | pop r0 |
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| 38 | mov.w (r2),r0 |
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| 39 | ret |
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| 40 | 0: .size syscall_error,0b-syscall_error |
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