28 lines
615 B
Text
28 lines
615 B
Text
$NetBSD: patch-af,v 1.10 2003/06/29 23:06:47 jtb Exp $
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--- /dev/null
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+++ config/netbsd/i386.c
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@@ -0,0 +1,23 @@
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+/*
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+ * coswitch for i386 architecture
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+ */
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+
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+int
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+coswitch (int *old_cs, int *new_cs, int first)
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+{
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+ asm ("movl 8(%ebp),%eax");
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+ asm ("movl %esp,0(%eax)");
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+ asm ("movl %ebp,4(%eax)");
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+ asm ("movl 12(%ebp),%eax");
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+
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+ if (first == 0) { /* this is the first activation */
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+ asm ("movl 0(%eax),%esp");
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+ asm ("movl $0,%ebp");
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+ new_context (0, 0);
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+ syserr ("new_context() returned in coswitch");
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+ }
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+ else {
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+ asm ("movl 0(%eax),%esp");
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+ asm ("movl 4(%eax),%ebp");
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+ }
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+}
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