41 lines
601 B
Plaintext
41 lines
601 B
Plaintext
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# xstormy16 system calls for the simulator
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#include <syscall.h>
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.text
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define(`syscall',`.globl _`'$1
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_`'$1`':
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mov r1,#SYS_$1
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.hword 0x0001
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bnz r1,#0,syscall_error
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ret
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0: .size $1,0b-_$1
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')dnl
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syscall(exit)
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syscall(open)
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syscall(close)
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syscall(read)
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syscall(write)
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syscall(lseek)
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syscall(unlink)
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syscall(getpid)
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syscall(kill)
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syscall(fstat)
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syscall(chdir)
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syscall(stat)
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syscall(chmod)
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syscall(utime)
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syscall(time)
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syscall(gettimeofday)
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syscall(times)
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syscall(link)
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dnl
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syscall_error:
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push r0
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callf __errno
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pop r0
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mov.w (r2),r0
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ret
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0: .size syscall_error,0b-syscall_error
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