Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/kernel/arch/mips/include/asm/vga.h b/kernel/arch/mips/include/asm/vga.h
new file mode 100644
index 000000000..f82c83749
--- /dev/null
+++ b/kernel/arch/mips/include/asm/vga.h
@@ -0,0 +1,48 @@
+/*
+ *	Access to VGA videoram
+ *
+ *	(c) 1998 Martin Mares <mj@ucw.cz>
+ */
+#ifndef _ASM_VGA_H
+#define _ASM_VGA_H
+
+#include <asm/addrspace.h>
+#include <asm/byteorder.h>
+
+/*
+ *	On the PC, we can just recalculate addresses and then
+ *	access the videoram directly without any black magic.
+ */
+
+#define VGA_MAP_MEM(x, s)	CKSEG1ADDR(0x10000000L + (unsigned long)(x))
+
+#define vga_readb(x)	(*(x))
+#define vga_writeb(x, y)	(*(y) = (x))
+
+#define VT_BUF_HAVE_RW
+/*
+ *  These are only needed for supporting VGA or MDA text mode, which use little
+ *  endian byte ordering.
+ *  In other cases, we can optimize by using native byte ordering and
+ *  <linux/vt_buffer.h> has already done the right job for us.
+ */
+
+#undef scr_writew
+#undef scr_readw
+
+static inline void scr_writew(u16 val, volatile u16 *addr)
+{
+	*addr = cpu_to_le16(val);
+}
+
+static inline u16 scr_readw(volatile const u16 *addr)
+{
+	return le16_to_cpu(*addr);
+}
+
+#define scr_memcpyw(d, s, c) memcpy(d, s, c)
+#define scr_memmovew(d, s, c) memmove(d, s, c)
+#define VT_BUF_HAVE_MEMCPYW
+#define VT_BUF_HAVE_MEMMOVEW
+
+#endif /* _ASM_VGA_H */