Import of Linux/MIPS 2.1.14

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c
new file mode 100644
index 000000000..cb1def0e1
--- /dev/null
+++ b/arch/sparc/prom/segment.c
@@ -0,0 +1,29 @@
+/* $Id: segment.c,v 1.3 1996/09/19 20:27:28 davem Exp $
+ * segment.c:  Prom routine to map segments in other contexts before
+ *             a standalone is completely mapped.  This is for sun4 and
+ *             sun4c architectures only.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <asm/openprom.h>
+#include <asm/oplib.h>
+
+/* Set physical segment 'segment' at virtual address 'vaddr' in
+ * context 'ctx'.
+ */
+void
+prom_putsegment(int ctx, unsigned long vaddr, int segment)
+{
+	unsigned long flags;
+	save_flags(flags); cli();
+	(*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
+	__asm__ __volatile__("ld [%0], %%g6\n\t" : :
+			     "r" (&current_set[smp_processor_id()]) :
+			     "memory");
+	restore_flags(flags);
+	return;
+}