1 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
new file mode 100644
index 000000000..0d1bf3246
--- /dev/null
+++ b/include/asm-mips/addrspace.h
@@ -0,0 +1,70 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996 by Ralf Baechle
+ * Copyright (C) 2000 by Maciej W. Rozycki
+ *
+ * Defitions for the address spaces of the MIPS CPUs.
+ */
+#ifndef __ASM_MIPS_ADDRSPACE_H
+#define __ASM_MIPS_ADDRSPACE_H
+
+/*
+ * Memory segments (32bit kernel mode addresses)
+ */
+#define KUSEG                   0x00000000
+#define KSEG0                   0x80000000
+#define KSEG1                   0xa0000000
+#define KSEG2                   0xc0000000
+#define KSEG3                   0xe0000000
+
+#define K0BASE  KSEG0
+
+/*
+ * Returns the kernel segment base of a given address
+ */
+#ifndef __ASSEMBLY__
+#define KSEGX(a)                (((unsigned long)(a)) & 0xe0000000)
+#else
+#define KSEGX(a)                ((a) & 0xe0000000)
+#endif
+
+/*
+ * Returns the physical address of a KSEG0/KSEG1 address
+ */
+#ifndef __ASSEMBLY__
+#define PHYSADDR(a)		(((unsigned long)(a)) & 0x1fffffff)
+#else
+#define PHYSADDR(a)		((a) & 0x1fffffff)
+#endif
+
+/*
+ * Map an address to a certain kernel segment
+ */
+#ifndef __ASSEMBLY__
+#define KSEG0ADDR(a)		((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG0))
+#define KSEG1ADDR(a)		((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG1))
+#define KSEG2ADDR(a)		((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG2))
+#define KSEG3ADDR(a)		((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG3))
+#else
+#define KSEG0ADDR(a)		(((a) & 0x1fffffff) | KSEG0)
+#define KSEG1ADDR(a)		(((a) & 0x1fffffff) | KSEG1)
+#define KSEG2ADDR(a)		(((a) & 0x1fffffff) | KSEG2)
+#define KSEG3ADDR(a)		(((a) & 0x1fffffff) | KSEG3)
+#endif
+
+/*
+ * Memory segments (64bit kernel mode addresses)
+ */
+#define XKUSEG                  0x0000000000000000
+#define XKSSEG                  0x4000000000000000
+#define XKPHYS                  0x8000000000000000
+#define XKSEG                   0xc000000000000000
+#define CKSEG0                  0xffffffff80000000
+#define CKSEG1                  0xffffffffa0000000
+#define CKSSEG                  0xffffffffc0000000
+#define CKSEG3                  0xffffffffe0000000
+
+#endif /* __ASM_MIPS_ADDRSPACE_H */