50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
$NetBSD: patch-ci,v 1.1 2001/01/10 01:28:51 briggs Exp $
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--- /dev/null Wed Dec 31 19:00:00 1969
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+++ machdep/syscall-template-powerpc-netbsd.S Tue Jan 9 00:01:33 2001
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@@ -0,0 +1,45 @@
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+#include <machine/asm.h>
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+#define COMPAT_43
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+#include <sys/syscall.h>
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+
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+#ifdef SYS___sigsuspend14
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+#define SYS_sigsuspend SYS___sigsuspend14
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+#endif
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+
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+#ifdef SYS___sigaction14
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+#define SYS_sigaction SYS___sigaction14
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+#endif
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+
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+#ifdef SYS___sigprocmask14
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+#define SYS_sigprocmask SYS___sigprocmask14
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+#endif
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+
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+#undef SYSCALL
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+
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+/* Kernel syscall interface:
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+ Input:
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+ 0 - system call number
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+ 3-8 - arguments, as in C
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+ Output:
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+ so - (summary overflow) clear iff successful
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+
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+ This macro is similar to SYSCALL in asm.h, but not completely.
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+ There's room for optimization, if we assume this will continue to
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+ be assembled as one file.
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+
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+ This macro expansions does not include the return instruction.
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+ If there's no other work to be done, use something like:
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+ SYSCALL(foo) ; ret
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+ If there is other work to do (in fork, maybe?), do it after the
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+ SYSCALL invocation. */
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+
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+#define SYSCALL(x) \
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+ ENTRY(machdep_sys_ ## x) \
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+ li 0, SYS_ ## x ; \
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+ sc ; \
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+ bnslr ; \
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+ b PIC_PLT(_C_LABEL(machdep_cerror))
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+
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+#define XSYSCALL(x) SYSCALL(x) ; blr
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+
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+ XSYSCALL(SYSCALL_NAME)
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