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/*
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* libhugetlbfs - direct system call for s390 (64 bit)
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*
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* Copyright IBM Corp. 2012
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* Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com>
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*
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* NOTE: Only 4 syscall parameters supported w/o stack access, but this is
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* sufficient for the syscalls used so far (__NR_write, __NR_kill and
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* __NR_getpid).
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*/
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.text
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.globl direct_syscall
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direct_syscall:
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lgr %r1,%r2
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lgr %r2,%r3
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lgr %r3,%r4
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lgr %r4,%r5
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lgr %r5,%r6
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svc 0
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br %r14
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits
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#endif
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