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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/sparc/prom/segment.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/sparc/prom/segment.c')
-rw-r--r--arch/sparc/prom/segment.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c
new file mode 100644
index 00000000..86a663f1
--- /dev/null
+++ b/arch/sparc/prom/segment.c
@@ -0,0 +1,28 @@
+/*
+ * 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>
+
+extern void restore_current(void);
+
+/* Set physical segment 'segment' at virtual address 'vaddr' in
+ * context 'ctx'.
+ */
+void
+prom_putsegment(int ctx, unsigned long vaddr, int segment)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&prom_lock, flags);
+ (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
+ restore_current();
+ spin_unlock_irqrestore(&prom_lock, flags);
+}