1 files changed, 73 insertions, 0 deletions
diff --git a/lib/libpthread/arch/m88k/uthread_machdep.c b/lib/libpthread/arch/m88k/uthread_machdep.c
new file mode 100644
index 00000000000..435e976d04e
--- /dev/null
+++ b/lib/libpthread/arch/m88k/uthread_machdep.c
@@ -0,0 +1,73 @@
+/*	$OpenBSD: uthread_machdep.c,v 1.1 2004/02/27 22:19:46 deraadt Exp $	*/
+
+/*
+ * Copyright (c) 2004 Theo de Raadt
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Machine-dependent thread state functions for m88k
+ */
+
+#include <pthread.h>
+#include "pthread_private.h"
+
+#define ALIGNBYTES	7
+
+struct frame {
+	long	regs[30];
+};
+
+/*
+ * Given a stack and an entry function, initialise a state
+ * structure that can be later switched to.
+ */
+void
+_thread_machdep_init(statep, base, len, entry)
+	struct _machdep_state* statep;
+	void *base;
+	int len;
+	void (*entry)(void);
+{
+	struct frame *f;
+
+	f = (struct frame *)(((u_int32_t)base + len - sizeof *f) & ~ALIGNBYTES);
+	f->regs[29] = f->regs[27] = (u_int32_t)entry;
+
+	statep->sp = (int)f;
+}
+
+void
+_thread_machdep_save_float_state(statep)
+	struct _machdep_state* statep;
+{
+	int fpreg;
+
+	__asm__ __volatile__ ("fldcr %0, fcr62" : "=r" (fpreg));
+	statep->fpsr = fpreg;
+	__asm__ __volatile__ ("fldcr %0, fcr63" : "=r" (fpreg));
+	statep->fpcr = fpreg;
+}
+
+void
+_thread_machdep_restore_float_state(statep)
+	struct _machdep_state* statep;
+{
+	int fpreg;
+
+	fpreg = statep->fpsr;
+	__asm__ __volatile__ ("fstcr %0, fcr62" : : "r" (fpreg));
+	fpreg = statep->fpcr;
+	__asm__ __volatile__ ("fstcr %0, fcr63" : : "r" (fpreg));
+}