diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
new file mode 100644
index 0000000..b367abd
--- /dev/null
+++ b/arch/score/include/asm/Kbuild
@@ -0,0 +1,3 @@
+include include/asm-generic/Kbuild.asm
+
+header-y +=
diff --git a/arch/score/include/asm/asmmacro.h b/arch/score/include/asm/asmmacro.h
new file mode 100644
index 0000000..a04a54c
--- /dev/null
+++ b/arch/score/include/asm/asmmacro.h
@@ -0,0 +1,161 @@
+#ifndef _ASM_SCORE_ASMMACRO_H
+#define _ASM_SCORE_ASMMACRO_H
+
+#include <asm/asm-offsets.h>
+
+#ifdef __ASSEMBLY__
+
+.macro	SAVE_ALL
+	mfcr	r30, cr0
+	mv	r31, r0
+	nop
+	/* if UMs == 1, change stack. */
+	slli.c	r30, r30, 28
+	bpl	1f
+	la	r31, kernelsp
+	lw	r31, [r31]
+1:
+	mv	r30, r0
+	addri	r0, r31, -PT_SIZE
+
+	sw	r30, [r0, PT_R0]
+	.set	r1
+	sw	r1, [r0, PT_R1]
+	.set	nor1
+	sw	r2, [r0, PT_R2]
+	sw	r3, [r0, PT_R3]
+	sw	r4, [r0, PT_R4]
+	sw	r5, [r0, PT_R5]
+	sw	r6, [r0, PT_R6]
+	sw	r7, [r0, PT_R7]
+
+	sw	r8, [r0, PT_R8]
+	sw	r9, [r0, PT_R9]
+	sw	r10, [r0, PT_R10]
+	sw	r11, [r0, PT_R11]
+	sw	r12, [r0, PT_R12]
+	sw	r13, [r0, PT_R13]
+	sw	r14, [r0, PT_R14]
+	sw	r15, [r0, PT_R15]
+
+	sw	r16, [r0, PT_R16]
+	sw	r17, [r0, PT_R17]
+	sw	r18, [r0, PT_R18]
+	sw	r19, [r0, PT_R19]
+	sw	r20, [r0, PT_R20]
+	sw	r21, [r0, PT_R21]
+	sw	r22, [r0, PT_R22]
+	sw	r23, [r0, PT_R23]
+
+	sw	r24, [r0, PT_R24]
+	sw	r25, [r0, PT_R25]
+	sw	r25, [r0, PT_R25]
+	sw	r26, [r0, PT_R26]
+	sw	r27, [r0, PT_R27]
+
+	sw	r28, [r0, PT_R28]
+	sw	r29, [r0, PT_R29]
+	orri	r28, r0, 0x1fff
+	li	r31, 0x00001fff
+	xor	r28, r28, r31
+
+	mfcehl	r30, r31
+	sw	r30, [r0, PT_CEH]
+	sw	r31, [r0, PT_CEL]
+
+	mfcr	r31, cr0
+	sw	r31, [r0, PT_PSR]
+
+	mfcr	r31, cr1
+	sw	r31, [r0, PT_CONDITION]
+
+	mfcr	r31, cr2
+	sw	r31, [r0, PT_ECR]
+	
+	mfcr	r31, cr5
+	srli	r31, r31, 1
+	slli	r31, r31, 1
+	sw	r31, [r0, PT_EPC]
+.endm
+
+.macro	RESTORE_ALL_AND_RET
+	mfcr	r30, cr0
+	srli	r30, r30, 1
+	slli	r30, r30, 1
+	mtcr	r30, cr0
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	.set	r1
+	ldis	r1, 0x00ff
+	and	r30, r30, r1
+	not	r1, r1
+	lw	r31, [r0, PT_PSR]
+	and	r31, r31, r1
+	.set	nor1
+	or	r31, r31, r30
+	mtcr	r31, cr0
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	lw	r30, [r0, PT_CONDITION]
+	mtcr	r30, cr1
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	lw	r30, [r0, PT_CEH]
+	lw	r31, [r0, PT_CEL]
+	mtcehl	r30, r31
+
+	.set	r1
+	lw	r1, [r0, PT_R1]
+	.set	nor1
+	lw	r2, [r0, PT_R2]
+	lw	r3, [r0, PT_R3]
+	lw	r4, [r0, PT_R4]
+	lw	r5, [r0, PT_R5]
+	lw	r6, [r0, PT_R6]
+	lw	r7, [r0, PT_R7]
+
+	lw	r8, [r0, PT_R8]
+	lw	r9, [r0, PT_R9]
+	lw	r10, [r0, PT_R10]
+	lw	r11, [r0, PT_R11]
+	lw	r12, [r0, PT_R12]
+	lw	r13, [r0, PT_R13]
+	lw	r14, [r0, PT_R14]
+	lw	r15, [r0, PT_R15]
+
+	lw	r16, [r0, PT_R16]
+	lw	r17, [r0, PT_R17]
+	lw	r18, [r0, PT_R18]
+	lw	r19, [r0, PT_R19]
+	lw	r20, [r0, PT_R20]
+	lw	r21, [r0, PT_R21]
+	lw	r22, [r0, PT_R22]
+	lw	r23, [r0, PT_R23]
+
+	lw	r24, [r0, PT_R24]
+	lw	r25, [r0, PT_R25]
+	lw	r26, [r0, PT_R26]
+	lw	r27, [r0, PT_R27]
+	lw	r28, [r0, PT_R28]
+	lw	r29, [r0, PT_R29]
+
+	lw	r30, [r0, PT_EPC]
+	lw	r0, [r0, PT_R0]
+	mtcr	r30, cr5
+	rte
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_SCORE_ASMMACRO_H */
diff --git a/arch/score/include/asm/atomic.h b/arch/score/include/asm/atomic.h
new file mode 100644
index 0000000..84eb8dd
--- /dev/null
+++ b/arch/score/include/asm/atomic.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_ATOMIC_H
+#define _ASM_SCORE_ATOMIC_H
+
+#include <asm-generic/atomic.h>
+
+#endif /* _ASM_SCORE_ATOMIC_H */
diff --git a/arch/score/include/asm/auxvec.h b/arch/score/include/asm/auxvec.h
new file mode 100644
index 0000000..f691515
--- /dev/null
+++ b/arch/score/include/asm/auxvec.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_AUXVEC_H
+#define _ASM_SCORE_AUXVEC_H
+
+#endif /* _ASM_SCORE_AUXVEC_H */
diff --git a/arch/score/include/asm/bitops.h b/arch/score/include/asm/bitops.h
new file mode 100644
index 0000000..2763b05
--- /dev/null
+++ b/arch/score/include/asm/bitops.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_SCORE_BITOPS_H
+#define _ASM_SCORE_BITOPS_H
+
+#include <asm/byteorder.h> /* swab32 */
+#include <asm/system.h> /* save_flags */
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit()	barrier()
+#define smp_mb__after_clear_bit()	barrier()
+
+#include <asm-generic/bitops.h>
+#include <asm-generic/bitops/__fls.h>
+
+#endif /* _ASM_SCORE_BITOPS_H */
diff --git a/arch/score/include/asm/bitsperlong.h b/arch/score/include/asm/bitsperlong.h
new file mode 100644
index 0000000..86ff337
--- /dev/null
+++ b/arch/score/include/asm/bitsperlong.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BITSPERLONG_H
+#define _ASM_SCORE_BITSPERLONG_H
+
+#include <asm-generic/bitsperlong.h>
+
+#endif /* _ASM_SCORE_BITSPERLONG_H */
diff --git a/arch/score/include/asm/bug.h b/arch/score/include/asm/bug.h
new file mode 100644
index 0000000..bb76a33
--- /dev/null
+++ b/arch/score/include/asm/bug.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BUG_H
+#define _ASM_SCORE_BUG_H
+
+#include <asm-generic/bug.h>
+
+#endif /* _ASM_SCORE_BUG_H */
diff --git a/arch/score/include/asm/bugs.h b/arch/score/include/asm/bugs.h
new file mode 100644
index 0000000..a062e10
--- /dev/null
+++ b/arch/score/include/asm/bugs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BUGS_H
+#define _ASM_SCORE_BUGS_H
+
+#include <asm-generic/bugs.h>
+
+#endif /* _ASM_SCORE_BUGS_H */
diff --git a/arch/score/include/asm/byteorder.h b/arch/score/include/asm/byteorder.h
new file mode 100644
index 0000000..88cbebc
--- /dev/null
+++ b/arch/score/include/asm/byteorder.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BYTEORDER_H
+#define _ASM_SCORE_BYTEORDER_H
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_SCORE_BYTEORDER_H */
diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
new file mode 100644
index 0000000..ae3d59f
--- /dev/null
+++ b/arch/score/include/asm/cache.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_SCORE_CACHE_H
+#define _ASM_SCORE_CACHE_H
+
+#define L1_CACHE_SHIFT		4
+#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
+
+#endif /* _ASM_SCORE_CACHE_H */
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h
new file mode 100644
index 0000000..1c74628
--- /dev/null
+++ b/arch/score/include/asm/cacheflush.h
@@ -0,0 +1,47 @@
+#ifndef _ASM_SCORE_CACHEFLUSH_H
+#define _ASM_SCORE_CACHEFLUSH_H
+
+/* Keep includes the same across arches. */
+#include <linux/mm.h>
+
+extern void (*flush_cache_all)(void);
+extern void (*flush_cache_mm)(struct mm_struct *mm);
+extern void (*flush_cache_range)(struct vm_area_struct *vma,
+				unsigned long start, unsigned long end);
+extern void (*flush_cache_page)(struct vm_area_struct *vma,
+				unsigned long page, unsigned long pfn);
+extern void (*flush_cache_sigtramp)(unsigned long addr);
+extern void (*flush_icache_all)(void);
+extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+extern void (*flush_data_cache_page)(unsigned long addr);
+
+extern void s7_flush_cache_all(void);
+
+#define flush_cache_dup_mm(mm)			do {} while (0)
+#define flush_dcache_page(page)			do {} while (0)
+#define flush_dcache_mmap_lock(mapping)		do {} while (0)
+#define flush_dcache_mmap_unlock(mapping)	do {} while (0)
+#define flush_cache_vmap(start, end)		do {} while (0)
+#define flush_cache_vunmap(start, end)		do {} while (0)
+
+static inline void flush_icache_page(struct vm_area_struct *vma,
+	struct page *page)
+{
+	if (vma->vm_flags & VM_EXEC) {
+		void *v = page_address(page);
+		flush_icache_range((unsigned long) v,
+				(unsigned long) v + PAGE_SIZE);
+	}
+}
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\
+	do {							\
+		memcpy(dst, src, len);				\
+		if ((vma->vm_flags & VM_EXEC))			\
+			flush_cache_page(vma, vaddr, page_to_pfn(page));\
+	} while (0)
+
+#endif /* _ASM_SCORE_CACHEFLUSH_H */
diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h
new file mode 100644
index 0000000..f909ac3
--- /dev/null
+++ b/arch/score/include/asm/checksum.h
@@ -0,0 +1,235 @@
+#ifndef _ASM_SCORE_CHECKSUM_H
+#define _ASM_SCORE_CHECKSUM_H
+
+#include <linux/in6.h>
+#include <asm/uaccess.h>
+
+/*
+ * computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+unsigned int csum_partial(const void *buff, int len, __wsum sum);
+unsigned int csum_partial_copy_from_user(const char *src, char *dst, int len,
+					unsigned int sum, int *csum_err);
+unsigned int csum_partial_copy(const char *src, char *dst,
+					int len, unsigned int sum);
+
+/*
+ * this is a new version of the above that records errors it finds in *errp,
+ * but continues and zeros the rest of the buffer.
+ */
+
+/*
+ * Copy and checksum to user
+ */
+#define HAVE_CSUM_COPY_USER
+static inline
+__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
+			__wsum sum, int *err_ptr)
+{
+	sum = csum_partial(src, len, sum);
+	if (copy_to_user(dst, src, len)) {
+		*err_ptr = -EFAULT;
+		return (__force __wsum) -1; /* invalid checksum */
+	}
+	return sum;
+}
+
+
+#define csum_partial_copy_nocheck csum_partial_copy
+/*
+ *	Fold a partial checksum without adding pseudo headers
+ */
+
+static inline __sum16 csum_fold(__wsum sum)
+{
+	/* the while loop is unnecessary really, it's always enough with two
+	   iterations */
+	__asm__ __volatile__(
+		".set volatile\n\t"
+		".set\tr1\n\t"
+		"slli\tr1,%0, 16\n\t"
+		"add\t%0,%0, r1\n\t"
+		"cmp.c\tr1, %0\n\t"
+		"srli\t%0, %0, 16\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:ldi\tr30, 0xffff\n\t"
+		"xor\t%0, %0, r30\n\t"
+		"slli\t%0, %0, 16\n\t"
+		"srli\t%0, %0, 16\n\t"
+		".set\tnor1\n\t"
+		".set optimize\n\t"
+		: "=r" (sum)
+		: "0" (sum));
+	return sum;
+}
+
+/*
+ *	This is a version of ip_compute_csum() optimized for IP headers,
+ *	which always checksum on 4 octet boundaries.
+ *
+ *	By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
+ *	Arnt Gulbrandsen.
+ */
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
+{
+	unsigned int sum;
+	unsigned long dummy;
+
+	__asm__ __volatile__(
+		".set volatile\n\t"
+		".set\tnor1\n\t"
+		"lw\t%0, [%1]\n\t"
+		"subri\t%2, %2, 4\n\t"
+		"slli\t%2, %2, 2\n\t"
+		"lw\t%3, [%1, 4]\n\t"
+		"add\t%2, %2, %1\n\t"
+		"add\t%0, %0, %3\n\t"
+		"cmp.c\t%3, %0\n\t"
+		"lw\t%3, [%1, 8]\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:\n\t"
+		"add\t%0, %0, %3\n\t"
+		"cmp.c\t%3, %0\n\t"
+		"lw\t%3, [%1, 12]\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %3\n\t"
+		"cmp.c\t%3, %0\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n"
+
+		"1:\tlw\t%3, [%1, 16]\n\t"
+		"addi\t%1, 4\n\t"
+		"add\t%0, %0, %3\n\t"
+		"cmp.c\t%3, %0\n\t"
+		"bleu\t2f\n\t"
+		"addi\t%0, 0x1\n"
+		"2:cmp.c\t%2, %1\n\t"
+		"bne\t1b\n\t"
+
+		".set\tr1\n\t"
+		".set optimize\n\t"
+		: "=&r" (sum), "=&r" (iph), "=&r" (ihl), "=&r" (dummy)
+		: "1" (iph), "2" (ihl));
+
+	return csum_fold(sum);
+}
+
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+		unsigned short proto, __wsum sum)
+{
+	unsigned long tmp = (ntohs(len) << 16) + proto * 256;
+	__asm__ __volatile__(
+		".set volatile\n\t"
+		"add\t%0, %0, %2\n\t"
+		"cmp.c\t%2, %0\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:\n\t"
+		"add\t%0, %0, %3\n\t"
+		"cmp.c\t%3, %0\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:\n\t"
+		"add\t%0, %0, %4\n\t"
+		"cmp.c\t%4, %0\n\t"
+		"bleu\t1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:\n\t"
+		".set optimize\n\t"
+		: "=r" (sum)
+		: "0" (daddr), "r"(saddr),
+		"r" (tmp),
+		"r" (sum));
+	return sum;
+}
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
+		unsigned short proto, __wsum sum)
+{
+	return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
+}
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+
+static inline unsigned short ip_compute_csum(const void *buff, int len)
+{
+	return csum_fold(csum_partial(buff, len, 0));
+}
+
+#define _HAVE_ARCH_IPV6_CSUM
+static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+				const struct in6_addr *daddr,
+				__u32 len, unsigned short proto,
+				__wsum sum)
+{
+	__asm__ __volatile__(
+		".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"
+		".set\tnoat\n\t"
+		"addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"
+		"sltu\t$1, %0, %5\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %6\t\t\t# csum\n\t"
+		"sltu\t$1, %0, %6\n\t"
+		"lw\t%1, 0(%2)\t\t\t# four words source address\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 4(%2)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 8(%2)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 12(%2)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 0(%3)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 4(%3)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 8(%3)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"lw\t%1, 12(%3)\n\t"
+		"addu\t%0, $1\n\t"
+		"addu\t%0, %1\n\t"
+		"sltu\t$1, %0, %1\n\t"
+		"addu\t%0, $1\t\t\t# Add final carry\n\t"
+		".set\tnoat\n\t"
+		".set\tnoreorder"
+		: "=r" (sum), "=r" (proto)
+		: "r" (saddr), "r" (daddr),
+		  "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
+
+	return csum_fold(sum);
+}
+#endif /* _ASM_SCORE_CHECKSUM_H */
diff --git a/arch/score/include/asm/cputime.h b/arch/score/include/asm/cputime.h
new file mode 100644
index 0000000..1fced99
--- /dev/null
+++ b/arch/score/include/asm/cputime.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_CPUTIME_H
+#define _ASM_SCORE_CPUTIME_H
+
+#include <asm-generic/cputime.h>
+
+#endif /* _ASM_SCORE_CPUTIME_H */
diff --git a/arch/score/include/asm/current.h b/arch/score/include/asm/current.h
new file mode 100644
index 0000000..16eae9c
--- /dev/null
+++ b/arch/score/include/asm/current.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_CURRENT_H
+#define _ASM_SCORE_CURRENT_H
+
+#include <asm-generic/current.h>
+
+#endif /* _ASM_SCORE_CURRENT_H */
diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h
new file mode 100644
index 0000000..ad716f6
--- /dev/null
+++ b/arch/score/include/asm/delay.h
@@ -0,0 +1,21 @@
+#ifndef _ASM_SCORE_DELAY_H
+#define _ASM_SCORE_DELAY_H
+
+static inline void __delay(unsigned long loops)
+{
+	__asm__ __volatile__ (
+		"1:\tsubi\t%0,1\n\t"
+		"cmpz.c\t%0\n\t"
+		"bne\t1b\n\t"
+		: "=r" (loops)
+		: "0" (loops));
+}
+
+static inline void __udelay(unsigned long usecs)
+{
+	__delay(usecs);
+}
+
+#define udelay(usecs) __udelay(usecs)
+
+#endif /* _ASM_SCORE_DELAY_H */
diff --git a/arch/score/include/asm/device.h b/arch/score/include/asm/device.h
new file mode 100644
index 0000000..2dc7cc5
--- /dev/null
+++ b/arch/score/include/asm/device.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DEVICE_H
+#define _ASM_SCORE_DEVICE_H
+
+#include <asm-generic/device.h>
+
+#endif /* _ASM_SCORE_DEVICE_H */
diff --git a/arch/score/include/asm/div64.h b/arch/score/include/asm/div64.h
new file mode 100644
index 0000000..75fae19
--- /dev/null
+++ b/arch/score/include/asm/div64.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DIV64_H
+#define _ASM_SCORE_DIV64_H
+
+#include <asm-generic/div64.h>
+
+#endif /* _ASM_SCORE_DIV64_H */
diff --git a/arch/score/include/asm/dma-mapping.h b/arch/score/include/asm/dma-mapping.h
new file mode 100644
index 0000000..f9c0193
--- /dev/null
+++ b/arch/score/include/asm/dma-mapping.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DMA_MAPPING_H
+#define _ASM_SCORE_DMA_MAPPING_H
+
+#include <asm-generic/dma-mapping-broken.h>
+
+#endif /* _ASM_SCORE_DMA_MAPPING_H */
diff --git a/arch/score/include/asm/dma.h b/arch/score/include/asm/dma.h
new file mode 100644
index 0000000..9f44185
--- /dev/null
+++ b/arch/score/include/asm/dma.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_DMA_H
+#define _ASM_SCORE_DMA_H
+
+#include <asm/io.h>
+
+#define MAX_DMA_ADDRESS		(0)
+
+#endif /* _ASM_SCORE_DMA_H */
diff --git a/arch/score/include/asm/elf.h b/arch/score/include/asm/elf.h
new file mode 100644
index 0000000..8324363
--- /dev/null
+++ b/arch/score/include/asm/elf.h
@@ -0,0 +1,99 @@
+#ifndef _ASM_SCORE_ELF_H
+#define _ASM_SCORE_ELF_H
+
+/* ELF register definitions */
+#define ELF_NGREG	45
+#define ELF_NFPREG	33
+#define EM_SCORE7	135
+
+/* Relocation types. */
+#define R_SCORE_NONE		0
+#define R_SCORE_HI16		1
+#define R_SCORE_LO16		2
+#define R_SCORE_BCMP		3
+#define R_SCORE_24		4
+#define R_SCORE_PC19		5
+#define R_SCORE16_11		6
+#define R_SCORE16_PC8		7
+#define R_SCORE_ABS32		8
+#define R_SCORE_ABS16		9
+#define R_SCORE_DUMMY2		10
+#define R_SCORE_GP15		11
+#define R_SCORE_GNU_VTINHERIT	12
+#define R_SCORE_GNU_VTENTRY	13
+#define R_SCORE_GOT15		14
+#define R_SCORE_GOT_LO16	15
+#define R_SCORE_CALL15		16
+#define R_SCORE_GPREL32		17
+#define R_SCORE_REL32		18
+#define R_SCORE_DUMMY_HI16	19
+#define R_SCORE_IMM30		20
+#define R_SCORE_IMM32		21
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+#define elf_check_arch(x)	((x)->e_machine == EM_SCORE7)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_DATA	ELFDATA2LSB
+#define ELF_ARCH	EM_SCORE7
+
+#define SET_PERSONALITY(ex)					\
+do {								\
+	set_personality(PER_LINUX);				\
+} while (0)
+
+struct task_struct;
+struct pt_regs;
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	PAGE_SIZE
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this cpu supports.  This could be done in userspace,
+   but it's not easy, and we've already done it here.  */
+
+#define ELF_HWCAP	(0)
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.
+
+   For the moment, we have only optimizations for the Intel generations,
+   but that could change... */
+
+#define ELF_PLATFORM	(NULL)
+
+#define ELF_PLAT_INIT(_r, load_addr)					\
+do {									\
+	_r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0;	\
+	_r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0;	\
+	_r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0;	\
+	_r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0;	\
+	_r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0;	\
+	_r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0;	\
+	_r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0;	\
+	_r->regs[30] = _r->regs[31] = 0;				\
+} while (0)
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#ifndef ELF_ET_DYN_BASE
+#define ELF_ET_DYN_BASE		(TASK_SIZE / 3 * 2)
+#endif
+
+#endif /* _ASM_SCORE_ELF_H */
diff --git a/arch/score/include/asm/emergency-restart.h b/arch/score/include/asm/emergency-restart.h
new file mode 100644
index 0000000..ca31e98
--- /dev/null
+++ b/arch/score/include/asm/emergency-restart.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_EMERGENCY_RESTART_H
+#define _ASM_SCORE_EMERGENCY_RESTART_H
+
+#include <asm-generic/emergency-restart.h>
+
+#endif /* _ASM_SCORE_EMERGENCY_RESTART_H */
diff --git a/arch/score/include/asm/errno.h b/arch/score/include/asm/errno.h
new file mode 100644
index 0000000..7cd3e1f
--- /dev/null
+++ b/arch/score/include/asm/errno.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_SCORE_ERRNO_H
+#define _ASM_SCORE_ERRNO_H
+
+#include <asm-generic/errno.h>
+#define EMAXERRNO 1024
+
+#endif /* _ASM_SCORE_ERRNO_H */
diff --git a/arch/score/include/asm/fcntl.h b/arch/score/include/asm/fcntl.h
new file mode 100644
index 0000000..03968a3
--- /dev/null
+++ b/arch/score/include/asm/fcntl.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_FCNTL_H
+#define _ASM_SCORE_FCNTL_H
+
+#include <asm-generic/fcntl.h>
+
+#endif /* _ASM_SCORE_FCNTL_H */
diff --git a/arch/score/include/asm/fixmap.h b/arch/score/include/asm/fixmap.h
new file mode 100644
index 0000000..ee16766
--- /dev/null
+++ b/arch/score/include/asm/fixmap.h
@@ -0,0 +1,82 @@
+#ifndef _ASM_SCORE_FIXMAP_H
+#define _ASM_SCORE_FIXMAP_H
+
+#include <asm/page.h>
+
+#define PHY_RAM_BASE		0x00000000
+#define PHY_IO_BASE		0x10000000
+
+#define VIRTUAL_RAM_BASE	0xa0000000
+#define VIRTUAL_IO_BASE		0xb0000000
+
+#define RAM_SPACE_SIZE		0x10000000
+#define IO_SPACE_SIZE		0x10000000
+
+/* Kernel unmapped, cached 512MB */
+#define KSEG1			0xa0000000
+
+/*
+ * Here we define all the compile-time 'special' virtual
+ * addresses. The point is to have a constant address at
+ * compile time, but to set the physical address only
+ * in the boot process. We allocate these special addresses
+ * from the end of virtual memory (0xfffff000) backwards.
+ * Also this lets us do fail-safe vmalloc(), we
+ * can guarantee that these special addresses and
+ * vmalloc()-ed addresses never overlap.
+ *
+ * these 'compile-time allocated' memory buffers are
+ * fixed-size 4k pages. (or larger if used with an increment
+ * highger than 1) use fixmap_set(idx,phys) to associate
+ * physical memory with fixmap indices.
+ *
+ * TLB entries of such buffers will not be flushed across
+ * task switches.
+ */
+
+/*
+ * on UP currently we will have no trace of the fixmap mechanizm,
+ * no page table allocations, etc. This might change in the
+ * future, say framebuffers for the console driver(s) could be
+ * fix-mapped?
+ */
+enum fixed_addresses {
+#define FIX_N_COLOURS 8
+	FIX_CMAP_BEGIN,
+	FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
+	__end_of_fixed_addresses
+};
+
+/*
+ * used by vmalloc.c.
+ *
+ * Leave one empty page between vmalloc'ed areas and
+ * the start of the fixmap, and leave one page empty
+ * at the top of mem..
+ */
+#define FIXADDR_TOP	((unsigned long)(long)(int)0xfefe0000)
+#define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
+#define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
+
+#define __fix_to_virt(x)	(FIXADDR_TOP - ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x)	\
+	((FIXADDR_TOP - ((x) & PAGE_MASK)) >> PAGE_SHIFT)
+
+extern void __this_fixmap_does_not_exist(void);
+
+/*
+ * 'index to address' translation. If anyone tries to use the idx
+ * directly without tranlation, we catch the bug with a NULL-deference
+ * kernel oops. Illegal ranges of incoming indices are caught too.
+ */
+static inline unsigned long fix_to_virt(const unsigned int idx)
+{
+	return __fix_to_virt(idx);
+}
+
+static inline unsigned long virt_to_fix(const unsigned long vaddr)
+{
+	return __virt_to_fix(vaddr);
+}
+
+#endif /* _ASM_SCORE_FIXMAP_H */
diff --git a/arch/score/include/asm/ftrace.h b/arch/score/include/asm/ftrace.h
new file mode 100644
index 0000000..79d6f10
--- /dev/null
+++ b/arch/score/include/asm/ftrace.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_FTRACE_H
+#define _ASM_SCORE_FTRACE_H
+
+#endif /* _ASM_SCORE_FTRACE_H */
diff --git a/arch/score/include/asm/futex.h b/arch/score/include/asm/futex.h
new file mode 100644
index 0000000..1dca242
--- /dev/null
+++ b/arch/score/include/asm/futex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_FUTEX_H
+#define _ASM_SCORE_FUTEX_H
+
+#include <asm-generic/futex.h>
+
+#endif /* _ASM_SCORE_FUTEX_H */
diff --git a/arch/score/include/asm/hardirq.h b/arch/score/include/asm/hardirq.h
new file mode 100644
index 0000000..dc932c5
--- /dev/null
+++ b/arch/score/include/asm/hardirq.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_HARDIRQ_H
+#define _ASM_SCORE_HARDIRQ_H
+
+#include <asm-generic/hardirq.h>
+
+#endif /* _ASM_SCORE_HARDIRQ_H */
diff --git a/arch/score/include/asm/hw_irq.h b/arch/score/include/asm/hw_irq.h
new file mode 100644
index 0000000..4caafb2
--- /dev/null
+++ b/arch/score/include/asm/hw_irq.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_HW_IRQ_H
+#define _ASM_SCORE_HW_IRQ_H
+
+#endif /* _ASM_SCORE_HW_IRQ_H */
diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h
new file mode 100644
index 0000000..fbbfd71
--- /dev/null
+++ b/arch/score/include/asm/io.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SCORE_IO_H
+#define _ASM_SCORE_IO_H
+
+#include <asm-generic/io.h>
+
+#define virt_to_bus	virt_to_phys
+#define bus_to_virt	phys_to_virt
+
+#endif /* _ASM_SCORE_IO_H */
diff --git a/arch/score/include/asm/ioctl.h b/arch/score/include/asm/ioctl.h
new file mode 100644
index 0000000..a351d21
--- /dev/null
+++ b/arch/score/include/asm/ioctl.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IOCTL_H
+#define _ASM_SCORE_IOCTL_H
+
+#include <asm-generic/ioctl.h>
+
+#endif /* _ASM_SCORE_IOCTL_H */
diff --git a/arch/score/include/asm/ioctls.h b/arch/score/include/asm/ioctls.h
new file mode 100644
index 0000000..ed01d2b
--- /dev/null
+++ b/arch/score/include/asm/ioctls.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IOCTLS_H
+#define _ASM_SCORE_IOCTLS_H
+
+#include <asm-generic/ioctls.h>
+
+#endif /* _ASM_SCORE_IOCTLS_H */
diff --git a/arch/score/include/asm/ipcbuf.h b/arch/score/include/asm/ipcbuf.h
new file mode 100644
index 0000000..e082cef
--- /dev/null
+++ b/arch/score/include/asm/ipcbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IPCBUF_H
+#define _ASM_SCORE_IPCBUF_H
+
+#include <asm-generic/ipcbuf.h>
+
+#endif /* _ASM_SCORE_IPCBUF_H */
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
new file mode 100644
index 0000000..401f670
--- /dev/null
+++ b/arch/score/include/asm/irq.h
@@ -0,0 +1,33 @@
+#ifndef _ASM_SCORE_IRQ_H
+#define _ASM_SCORE_IRQ_H
+
+#define EXCEPTION_VECTOR_BASE_ADDR	0xa0000000
+#define VECTOR_ADDRESS_OFFSET_MODE4	0
+#define VECTOR_ADDRESS_OFFSET_MODE16	1
+
+#define DEBUG_VECTOR_SIZE		(0x4)
+#define DEBUG_VECTOR_BASE_ADDR		((EXCEPTION_VECTOR_BASE_ADDR) + 0x1fc)
+
+#define GENERAL_VECTOR_SIZE		(0x10)
+#define GENERAL_VECTOR_BASE_ADDR	((EXCEPTION_VECTOR_BASE_ADDR) + 0x200)
+
+#define NR_IRQS				64
+#define IRQ_VECTOR_SIZE			(0x10)
+#define IRQ_VECTOR_BASE_ADDR		((EXCEPTION_VECTOR_BASE_ADDR) + 0x210)
+#define IRQ_VECTOR_END_ADDR		((EXCEPTION_VECTOR_BASE_ADDR) + 0x5f0)
+
+#define irq_canonicalize(irq)	(irq)
+
+#define P_INT_PNDL		0x95F50000
+#define P_INT_PNDH		0x95F50004
+#define P_INT_PRIORITY_M	0x95F50008
+#define P_INT_PRIORITY_SG0	0x95F50010
+#define P_INT_PRIORITY_SG1	0x95F50014
+#define P_INT_PRIORITY_SG2	0x95F50018
+#define P_INT_PRIORITY_SG3	0x95F5001C
+#define P_INT_MASKL		0x95F50020
+#define P_INT_MASKH		0x95F50024
+
+#define IRQ_TIMER (7)		/* Timer IRQ number of SPCT6600 */
+
+#endif /* _ASM_SCORE_IRQ_H */
diff --git a/arch/score/include/asm/irq_regs.h b/arch/score/include/asm/irq_regs.h
new file mode 100644
index 0000000..905b7b0
--- /dev/null
+++ b/arch/score/include/asm/irq_regs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IRQ_REGS_H
+#define _ASM_SCORE_IRQ_REGS_H
+
+#include <asm-generic/irq_regs.h>
+
+#endif /* _ASM_SCORE_IRQ_REGS_H */
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h
new file mode 100644
index 0000000..92eeb33
--- /dev/null
+++ b/arch/score/include/asm/irqflags.h
@@ -0,0 +1,111 @@
+#ifndef _ASM_SCORE_IRQFLAGS_H
+#define _ASM_SCORE_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+
+#define raw_local_irq_save(x)			\
+{						\
+	__asm__ __volatile__(			\
+		"mfcr	r8, cr0;"		\
+		"li	r9, 0xfffffffe;"	\
+		"nop;"				\
+		"mv	%0, r8;"		\
+		"and	r8, r8, r9;"		\
+		"mtcr	r8, cr0;"		\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"ldi	r9, 0x1;"		\
+		"and	%0, %0, r9;"		\
+		: "=r" (x)			\
+		:				\
+		: "r8", "r9"			\
+		);				\
+}
+
+#define raw_local_irq_restore(x)		\
+{						\
+	__asm__ __volatile__(			\
+		"mfcr	r8, cr0;"		\
+		"ldi	r9, 0x1;"		\
+		"and	%0, %0, r9;"		\
+		"or	r8, r8, %0;"		\
+		"mtcr	r8, cr0;"		\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		:				\
+		: "r"(x)			\
+		: "r8", "r9"			\
+		);				\
+}
+
+#define raw_local_irq_enable(void)		\
+{						\
+	__asm__ __volatile__(			\
+		"mfcr\tr8,cr0;"			\
+		"nop;"				\
+		"nop;"				\
+		"ori\tr8,0x1;"			\
+		"mtcr\tr8,cr0;"			\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		:				\
+		:				\
+		: "r8");			\
+}
+
+#define raw_local_irq_disable(void)		\
+{						\
+	__asm__ __volatile__(			\
+		"mfcr\tr8,cr0;"			\
+		"nop;"				\
+		"nop;"				\
+		"srli\tr8,r8,1;"		\
+		"slli\tr8,r8,1;"		\
+		"mtcr\tr8,cr0;"			\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		:				\
+		:				\
+		: "r8");			\
+}
+
+#define raw_local_save_flags(x)			\
+{						\
+	__asm__ __volatile__(			\
+		"mfcr	r8, cr0;"		\
+		"nop;"				\
+		"nop;"				\
+		"mv	%0, r8;"		\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"nop;"				\
+		"ldi	r9, 0x1;"		\
+		"and	%0, %0, r9;"		\
+		: "=r" (x)			\
+		:				\
+		: "r8", "r9"			\
+		);				\
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & 1);
+}
+
+#endif
+
+#endif /* _ASM_SCORE_IRQFLAGS_H */
diff --git a/arch/score/include/asm/kdebug.h b/arch/score/include/asm/kdebug.h
new file mode 100644
index 0000000..a666e51
--- /dev/null
+++ b/arch/score/include/asm/kdebug.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_KDEBUG_H
+#define _ASM_SCORE_KDEBUG_H
+
+#include <asm-generic/kdebug.h>
+
+#endif /* _ASM_SCORE_KDEBUG_H */
diff --git a/arch/score/include/asm/kmap_types.h b/arch/score/include/asm/kmap_types.h
new file mode 100644
index 0000000..6c46eb5
--- /dev/null
+++ b/arch/score/include/asm/kmap_types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_KMAP_TYPES_H
+#define _ASM_SCORE_KMAP_TYPES_H
+
+#include <asm-generic/kmap_types.h>
+
+#endif /* _ASM_SCORE_KMAP_TYPES_H */
diff --git a/arch/score/include/asm/linkage.h b/arch/score/include/asm/linkage.h
new file mode 100644
index 0000000..2580fbb
--- /dev/null
+++ b/arch/score/include/asm/linkage.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_LINKAGE_H
+#define _ASM_SCORE_LINKAGE_H
+
+#endif /* _ASM_SCORE_LINKAGE_H */
diff --git a/arch/score/include/asm/local.h b/arch/score/include/asm/local.h
new file mode 100644
index 0000000..7e02f13
--- /dev/null
+++ b/arch/score/include/asm/local.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_LOCAL_H
+#define _ASM_SCORE_LOCAL_H
+
+#include <asm-generic/local.h>
+
+#endif /* _ASM_SCORE_LOCAL_H */
diff --git a/arch/score/include/asm/mman.h b/arch/score/include/asm/mman.h
new file mode 100644
index 0000000..84d85dd
--- /dev/null
+++ b/arch/score/include/asm/mman.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MMAN_H
+#define _ASM_SCORE_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#endif /* _ASM_SCORE_MMAN_H */
diff --git a/arch/score/include/asm/mmu.h b/arch/score/include/asm/mmu.h
new file mode 100644
index 0000000..676828e
--- /dev/null
+++ b/arch/score/include/asm/mmu.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MMU_H
+#define _ASM_SCORE_MMU_H
+
+typedef unsigned long mm_context_t;
+
+#endif /* _ASM_SCORE_MMU_H */
diff --git a/arch/score/include/asm/mmu_context.h b/arch/score/include/asm/mmu_context.h
new file mode 100644
index 0000000..2644577
--- /dev/null
+++ b/arch/score/include/asm/mmu_context.h
@@ -0,0 +1,113 @@
+#ifndef _ASM_SCORE_MMU_CONTEXT_H
+#define _ASM_SCORE_MMU_CONTEXT_H
+
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <asm-generic/mm_hooks.h>
+
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <asm/scoreregs.h>
+
+/*
+ * For the fast tlb miss handlers, we keep a per cpu array of pointers
+ * to the current pgd for each processor. Also, the proc. id is stuffed
+ * into the context register.
+ */
+extern unsigned long asid_cache;
+extern unsigned long pgd_current;
+
+#define TLBMISS_HANDLER_SETUP_PGD(pgd) (pgd_current = (unsigned long)(pgd))
+
+#define TLBMISS_HANDLER_SETUP()				\
+do {							\
+	write_c0_context(0);				\
+	TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)	\
+} while (0)
+
+/*
+ * All unused by hardware upper bits will be considered
+ * as a software asid extension.
+ */
+#define ASID_VERSION_MASK	0xfffff000
+#define ASID_FIRST_VERSION	0x1000
+
+/* PEVN    --------- VPN ---------- --ASID--- -NA- */
+/* binary: 0000 0000 0000 0000 0000 0000 0001 0000 */
+/* binary: 0000 0000 0000 0000 0000 1111 1111 0000 */
+#define ASID_INC	0x10
+#define ASID_MASK	0xff0
+
+static inline void enter_lazy_tlb(struct mm_struct *mm,
+				struct task_struct *tsk)
+{}
+
+static inline void
+get_new_mmu_context(struct mm_struct *mm)
+{
+	unsigned long asid = asid_cache + ASID_INC;
+
+	if (!(asid & ASID_MASK)) {
+		local_flush_tlb_all();		/* start new asid cycle */
+		if (!asid)			/* fix version if needed */
+			asid = ASID_FIRST_VERSION;
+	}
+
+	mm->context = asid;
+	asid_cache = asid;
+}
+
+/*
+ * Initialize the context related info for a new mm_struct
+ * instance.
+ */
+static inline int
+init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+	mm->context = 0;
+	return 0;
+}
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+			struct task_struct *tsk)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	if ((next->context ^ asid_cache) & ASID_VERSION_MASK)
+		get_new_mmu_context(next);
+
+	pevn_set(next->context);
+	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
+	local_irq_restore(flags);
+}
+
+/*
+ * Destroy context related info for an mm_struct that is about
+ * to be put to rest.
+ */
+static inline void destroy_context(struct mm_struct *mm)
+{}
+
+static inline void
+deactivate_mm(struct task_struct *task, struct mm_struct *mm)
+{}
+
+/*
+ * After we have set current->mm to a new value, this activates
+ * the context for the new mm so we see the new mappings.
+ */
+static inline void
+activate_mm(struct mm_struct *prev, struct mm_struct *next)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	get_new_mmu_context(next);
+	pevn_set(next->context);
+	TLBMISS_HANDLER_SETUP_PGD(next->pgd);
+	local_irq_restore(flags);
+}
+
+#endif /* _ASM_SCORE_MMU_CONTEXT_H */
diff --git a/arch/score/include/asm/module.h b/arch/score/include/asm/module.h
new file mode 100644
index 0000000..f0b5dc0
--- /dev/null
+++ b/arch/score/include/asm/module.h
@@ -0,0 +1,39 @@
+#ifndef _ASM_SCORE_MODULE_H
+#define _ASM_SCORE_MODULE_H
+
+#include <linux/list.h>
+#include <asm/uaccess.h>
+
+struct mod_arch_specific {
+	/* Data Bus Error exception tables */
+	struct list_head dbe_list;
+	const struct exception_table_entry *dbe_start;
+	const struct exception_table_entry *dbe_end;
+};
+
+typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity. */
+
+#define Elf_Shdr	Elf32_Shdr
+#define Elf_Sym		Elf32_Sym
+#define Elf_Ehdr	Elf32_Ehdr
+#define Elf_Addr	Elf32_Addr
+
+/* Given an address, look for it in the exception tables. */
+#ifdef CONFIG_MODULES
+const struct exception_table_entry *search_module_dbetables(unsigned long addr);
+#else
+static inline const struct exception_table_entry
+*search_module_dbetables(unsigned long addr)
+{
+	return NULL;
+}
+#endif
+
+#define MODULE_PROC_FAMILY "SCORE7"
+#define MODULE_KERNEL_TYPE "32BIT "
+#define MODULE_KERNEL_SMTC ""
+
+#define MODULE_ARCH_VERMAGIC \
+	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
+
+#endif /* _ASM_SCORE_MODULE_H */
diff --git a/arch/score/include/asm/msgbuf.h b/arch/score/include/asm/msgbuf.h
new file mode 100644
index 0000000..7506721
--- /dev/null
+++ b/arch/score/include/asm/msgbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MSGBUF_H
+#define _ASM_SCORE_MSGBUF_H
+
+#include <asm-generic/msgbuf.h>
+
+#endif /* _ASM_SCORE_MSGBUF_H */
diff --git a/arch/score/include/asm/mutex.h b/arch/score/include/asm/mutex.h
new file mode 100644
index 0000000..10d48fe
--- /dev/null
+++ b/arch/score/include/asm/mutex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MUTEX_H
+#define _ASM_SCORE_MUTEX_H
+
+#include <asm-generic/mutex-dec.h>
+
+#endif /* _ASM_SCORE_MUTEX_H */
diff --git a/arch/score/include/asm/page.h b/arch/score/include/asm/page.h
new file mode 100644
index 0000000..67e9820
--- /dev/null
+++ b/arch/score/include/asm/page.h
@@ -0,0 +1,92 @@
+#ifndef _ASM_SCORE_PAGE_H
+#define _ASM_SCORE_PAGE_H
+
+#include <linux/pfn.h>
+
+/* PAGE_SHIFT determines the page size */
+#define PAGE_SHIFT	(12)
+#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+#define PAGE_UP(addr)	(((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
+#define PAGE_DOWN(addr)	((addr)&(~((PAGE_SIZE)-1)))
+
+/* align addr on a size boundary - adjust address up/down if needed */
+#define _ALIGN_UP(addr, size)	(((addr)+((size)-1))&(~((size)-1)))
+#define _ALIGN_DOWN(addr, size)	((addr)&(~((size)-1)))
+
+/* align addr on a size boundary - adjust address up if needed */
+#define _ALIGN(addr, size)	_ALIGN_UP(addr, size)
+
+/*
+ * PAGE_OFFSET -- the first address of the first page of memory. When not
+ * using MMU this corresponds to the first free page in physical memory (aligned
+ * on a page boundary).
+ */
+#define PAGE_OFFSET		(0xA0000000UL)
+
+#define clear_page(pgaddr)			memset((pgaddr), 0, PAGE_SIZE)
+#define copy_page(to, from)			memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(pgaddr, vaddr, page)	memset((pgaddr), 0, PAGE_SIZE)
+#define copy_user_page(vto, vfrom, vaddr, topg) \
+			memcpy((vto), (vfrom), PAGE_SIZE)
+
+/*
+ * These are used to make use of C type-checking..
+ */
+
+typedef struct { unsigned long pte; } pte_t;		/* page table entry */
+typedef struct { unsigned long pgd; } pgd_t;		/* PGD table entry */
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x)	((x).pte)
+#define pgd_val(x)	((x).pgd)
+#define pgprot_val(x)	((x).pgprot)
+
+#define __pte(x)	((pte_t) { (x) })
+#define __pgd(x)	((pgd_t) { (x) })
+#define __pgprot(x)	((pgprot_t) { (x) })
+
+extern unsigned long max_low_pfn;
+extern unsigned long min_low_pfn;
+extern unsigned long max_pfn;
+
+#define __pa(vaddr)		((unsigned long) (vaddr))
+#define __va(paddr)		((void *) (paddr))
+
+#define phys_to_pfn(phys)	(PFN_DOWN(phys))
+#define pfn_to_phys(pfn)	(PFN_PHYS(pfn))
+
+#define virt_to_pfn(vaddr)	(phys_to_pfn((__pa(vaddr))))
+#define pfn_to_virt(pfn)	__va(pfn_to_phys((pfn)))
+
+#define virt_to_page(vaddr)	(pfn_to_page(virt_to_pfn(vaddr)))
+#define page_to_virt(page)	(pfn_to_virt(page_to_pfn(page)))
+
+#define page_to_phys(page)	(pfn_to_phys(page_to_pfn(page)))
+#define page_to_bus(page)	(page_to_phys(page))
+#define phys_to_page(paddr)	(pfn_to_page(phys_to_pfn(paddr)))
+
+#define pfn_valid(pfn)		((pfn) >= min_low_pfn && (pfn) < max_mapnr)
+
+#define ARCH_PFN_OFFSET		(PAGE_OFFSET >> PAGE_SHIFT)
+
+#endif /* __ASSEMBLY__ */
+
+#define virt_addr_valid(vaddr)	(pfn_valid(virt_to_pfn(vaddr)))
+
+#endif /* __KERNEL__ */
+
+#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
+				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#include <asm-generic/memory_model.h>
+#include <asm-generic/getorder.h>
+
+#endif /* _ASM_SCORE_PAGE_H */
diff --git a/arch/score/include/asm/param.h b/arch/score/include/asm/param.h
new file mode 100644
index 0000000..916b869
--- /dev/null
+++ b/arch/score/include/asm/param.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_PARAM_H
+#define _ASM_SCORE_PARAM_H
+
+#include <asm-generic/param.h>
+
+#endif /* _ASM_SCORE_PARAM_H */
diff --git a/arch/score/include/asm/pci.h b/arch/score/include/asm/pci.h
new file mode 100644
index 0000000..3f3cfd8
--- /dev/null
+++ b/arch/score/include/asm/pci.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_PCI_H
+#define _ASM_SCORE_PCI_H
+
+#endif /* _ASM_SCORE_PCI_H */
diff --git a/arch/score/include/asm/percpu.h b/arch/score/include/asm/percpu.h
new file mode 100644
index 0000000..e7bd4e0
--- /dev/null
+++ b/arch/score/include/asm/percpu.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_PERCPU_H
+#define _ASM_SCORE_PERCPU_H
+
+#include <asm-generic/percpu.h>
+
+#endif /* _ASM_SCORE_PERCPU_H */
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
new file mode 100644
index 0000000..28dacc1
--- /dev/null
+++ b/arch/score/include/asm/pgalloc.h
@@ -0,0 +1,83 @@
+#ifndef _ASM_SCORE_PGALLOC_H
+#define _ASM_SCORE_PGALLOC_H
+
+#include <linux/mm.h>
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
+	pte_t *pte)
+{
+	set_pmd(pmd, __pmd((unsigned long)pte));
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
+	pgtable_t pte)
+{
+	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
+}
+
+#define pmd_pgtable(pmd)	pmd_page(pmd)
+
+static inline pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+	pgd_t *ret, *init;
+
+	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
+	if (ret) {
+		init = pgd_offset(&init_mm, 0UL);
+		pgd_init((unsigned long)ret);
+		memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,
+		(PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
+	}
+
+	return ret;
+}
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+	free_pages((unsigned long)pgd, PGD_ORDER);
+}
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+	unsigned long address)
+{
+	pte_t *pte;
+
+	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO,
+					PTE_ORDER);
+
+	return pte;
+}
+
+static inline struct page *pte_alloc_one(struct mm_struct *mm,
+	unsigned long address)
+{
+	struct page *pte;
+
+	pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+	if (pte) {
+		clear_highpage(pte);
+		pgtable_page_ctor(pte);
+	}
+	return pte;
+}
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+	free_pages((unsigned long)pte, PTE_ORDER);
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
+{
+	pgtable_page_dtor(pte);
+	__free_pages(pte, PTE_ORDER);
+}
+
+#define __pte_free_tlb(tlb, pte)			\
+do {							\
+	pgtable_page_dtor(pte);				\
+	tlb_remove_page((tlb), pte);			\
+} while (0)
+
+#define check_pgt_cache()		do {} while (0)
+
+#endif /* _ASM_SCORE_PGALLOC_H */
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h
new file mode 100644
index 0000000..ca16d35
--- /dev/null
+++ b/arch/score/include/asm/pgtable-bits.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_SCORE_PGTABLE_BITS_H
+#define _ASM_SCORE_PGTABLE_BITS_H
+
+#define _PAGE_ACCESSED			(1<<5)	/* implemented in software */
+#define _PAGE_READ			(1<<6)	/* implemented in software */
+#define _PAGE_WRITE			(1<<7)	/* implemented in software */
+#define _PAGE_PRESENT			(1<<9)	/* implemented in software */
+#define _PAGE_MODIFIED			(1<<10)	/* implemented in software */
+#define _PAGE_FILE			(1<<10)
+
+#define _PAGE_GLOBAL			(1<<0)
+#define _PAGE_VALID			(1<<1)
+#define _PAGE_SILENT_READ		(1<<1)	/* synonym */
+#define _PAGE_DIRTY			(1<<2)	/* Write bit */
+#define _PAGE_SILENT_WRITE		(1<<2)
+#define _PAGE_CACHE			(1<<3)	/* cache */
+#define _CACHE_MASK			(1<<3)
+#define _PAGE_BUFFERABLE		(1<<4)	/*Fallow Spec. */
+
+#define _PAGE_CHG_MASK			\
+	(PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_CACHE)
+
+#endif /* _ASM_SCORE_PGTABLE_BITS_H */
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
new file mode 100644
index 0000000..0f7177a
--- /dev/null
+++ b/arch/score/include/asm/pgtable.h
@@ -0,0 +1,267 @@
+#ifndef _ASM_SCORE_PGTABLE_H
+#define _ASM_SCORE_PGTABLE_H
+
+#include <linux/const.h>
+#include <asm-generic/pgtable-nopmd.h>
+
+#include <asm/fixmap.h>
+#include <asm/setup.h>
+#include <asm/pgtable-bits.h>
+
+extern void load_pgd(unsigned long pg_dir);
+extern pte_t invalid_pte_table[PAGE_SIZE/sizeof(pte_t)];
+
+/* PGDIR_SHIFT determines what a third-level page table entry can map */
+#define PGDIR_SHIFT	22
+#define PGDIR_SIZE	(_AC(1, UL) << PGDIR_SHIFT)
+#define PGDIR_MASK	(~(PGDIR_SIZE - 1))
+
+/*
+ * Entries per page directory level: we use two-level, so
+ * we don't really have any PUD/PMD directory physically.
+ */
+#define PGD_ORDER	0
+#define PTE_ORDER	0
+
+#define PTRS_PER_PGD	1024
+#define PTRS_PER_PTE	1024
+
+#define USER_PTRS_PER_PGD	(0x80000000UL/PGDIR_SIZE)
+#define FIRST_USER_ADDRESS	0
+
+#define VMALLOC_START		(0xc0000000UL)
+
+#define PKMAP_BASE		(0xfd000000UL)
+
+#define VMALLOC_END		(FIXADDR_START - 2*PAGE_SIZE)
+
+#define pte_ERROR(e) \
+	printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
+		__FILE__, __LINE__, pte_val(e))
+#define pgd_ERROR(e) \
+	printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \
+		__FILE__, __LINE__, pgd_val(e))
+
+/*
+ * Empty pgd/pmd entries point to the invalid_pte_table.
+ */
+static inline int pmd_none(pmd_t pmd)
+{
+	return pmd_val(pmd) == (unsigned long) invalid_pte_table;
+}
+
+#define pmd_bad(pmd)		(pmd_val(pmd) & ~PAGE_MASK)
+
+static inline int pmd_present(pmd_t pmd)
+{
+	return pmd_val(pmd) != (unsigned long) invalid_pte_table;
+}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+	pmd_val(*pmdp) = ((unsigned long) invalid_pte_table);
+}
+
+#define pte_page(x)		pfn_to_page(pte_pfn(x))
+#define pte_pfn(x)		((unsigned long)((x).pte >> PAGE_SHIFT))
+#define pfn_pte(pfn, prot)	\
+	__pte(((unsigned long long)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
+
+#define __pgd_offset(address)	pgd_index(address)
+#define __pud_offset(address)	(((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
+#define __pmd_offset(address)	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
+
+/* to find an entry in a kernel page-table-directory */
+#define pgd_offset_k(address)	pgd_offset(&init_mm, address)
+#define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+
+/* to find an entry in a page-table-directory */
+#define pgd_offset(mm, addr)	((mm)->pgd + pgd_index(addr))
+
+/* Find an entry in the third-level page table.. */
+#define __pte_offset(address)		\
+	(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_offset(dir, address)	\
+	((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
+#define pte_offset_kernel(dir, address)	\
+	((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
+
+#define pte_offset_map(dir, address)	\
+	((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_offset_map_nested(dir, address)	\
+	((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_unmap(pte) ((void)(pte))
+#define pte_unmap_nested(pte) ((void)(pte))
+
+/*
+ * Bits 9(_PAGE_PRESENT) and 10(_PAGE_FILE)are taken,
+ * split up 30 bits of offset into this range:
+ */
+#define PTE_FILE_MAX_BITS	30
+#define pte_to_pgoff(_pte)		\
+	(((_pte).pte & 0x1ff) | (((_pte).pte >> 11) << 9))
+#define pgoff_to_pte(off)		\
+	((pte_t) {((off) & 0x1ff) | (((off) >> 9) << 11) | _PAGE_FILE})
+#define __pte_to_swp_entry(pte)		\
+	((swp_entry_t) { pte_val(pte)})
+#define __swp_entry_to_pte(x)	((pte_t) {(x).val})
+
+#define __P000 __pgprot(0)
+#define __P001 __pgprot(0)
+#define __P010 __pgprot(0)
+#define __P011 __pgprot(0)
+#define __P100 __pgprot(0)
+#define __P101 __pgprot(0)
+#define __P110 __pgprot(0)
+#define __P111 __pgprot(0)
+
+#define __S000 __pgprot(0)
+#define __S001 __pgprot(0)
+#define __S010 __pgprot(0)
+#define __S011 __pgprot(0)
+#define __S100 __pgprot(0)
+#define __S101 __pgprot(0)
+#define __S110 __pgprot(0)
+#define __S111 __pgprot(0)
+
+#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
+#define mk_pte(page, prot)	pfn_pte(page_to_pfn(page), prot)
+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
+
+#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
+#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
+#define pte_clear(mm, addr, xp)		\
+	do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
+		remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+#define pgd_present(pgd)	(1) /* pages are always present on non MMU */
+#define pgd_none(pgd)		(0)
+#define pgd_bad(pgd)		(0)
+#define pgd_clear(pgdp)
+
+#define kern_addr_valid(addr)	(1)
+#define	pmd_offset(a, b)	((void *) 0)
+#define pmd_page_vaddr(pmd)	pmd_val(pmd)
+
+#define pte_none(pte)		(!(pte_val(pte) & ~_PAGE_GLOBAL))
+#define pte_present(pte)	(pte_val(pte) & _PAGE_PRESENT)
+
+#define pud_offset(pgd, address) ((pud_t *) pgd)
+
+#define PAGE_NONE		__pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_SHARED		__pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_COPY		__pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_READONLY		__pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_KERNEL		__pgprot(0) /* these mean nothing to non MMU */
+
+#define pgprot_noncached(x)	(x)
+
+#define __swp_type(x)		(0)
+#define __swp_offset(x)		(0)
+#define __swp_entry(typ, off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
+
+#define ZERO_PAGE(vaddr)	({ BUG(); NULL; })
+
+#define swapper_pg_dir ((pgd_t *) NULL)
+
+#define pgtable_cache_init()	do {} while (0)
+
+#define arch_enter_lazy_cpu_mode()	do {} while (0)
+
+static inline int pte_write(pte_t pte)
+{
+	return pte_val(pte) & _PAGE_WRITE;
+}
+
+static inline int pte_dirty(pte_t pte)
+{
+	return pte_val(pte) & _PAGE_MODIFIED;
+}
+
+static inline int pte_young(pte_t pte)
+{
+	return pte_val(pte) & _PAGE_ACCESSED;
+}
+
+static inline int pte_file(pte_t pte)
+{
+	return pte_val(pte) & _PAGE_FILE;
+}
+
+#define pte_special(pte)	(0)
+
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+	pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
+	return pte;
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+	pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
+	return pte;
+}
+
+static inline pte_t pte_mkold(pte_t pte)
+{
+	pte_val(pte) &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
+	return pte;
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+	pte_val(pte) |= _PAGE_WRITE;
+	if (pte_val(pte) & _PAGE_MODIFIED)
+		pte_val(pte) |= _PAGE_SILENT_WRITE;
+	return pte;
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+	pte_val(pte) |= _PAGE_MODIFIED;
+	if (pte_val(pte) & _PAGE_WRITE)
+		pte_val(pte) |= _PAGE_SILENT_WRITE;
+	return pte;
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+	pte_val(pte) |= _PAGE_ACCESSED;
+	if (pte_val(pte) & _PAGE_READ)
+		pte_val(pte) |= _PAGE_SILENT_READ;
+	return pte;
+}
+
+#define set_pmd(pmdptr, pmdval)		\
+	 do { *(pmdptr) = (pmdval); } while (0)
+#define pte_present(pte)	(pte_val(pte) & _PAGE_PRESENT)
+
+extern unsigned long pgd_current;
+extern void paging_init(void);
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+	return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+}
+
+extern void __update_tlb(struct vm_area_struct *vma,
+	unsigned long address,	pte_t pte);
+extern void __update_cache(struct vm_area_struct *vma,
+	unsigned long address,	pte_t pte);
+
+static inline void update_mmu_cache(struct vm_area_struct *vma,
+	unsigned long address, pte_t pte)
+{
+	__update_tlb(vma, address, pte);
+	__update_cache(vma, address, pte);
+}
+
+#ifndef __ASSEMBLY__
+#include <asm-generic/pgtable.h>
+
+void setup_memory(void);
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_PGTABLE_H */
diff --git a/arch/score/include/asm/poll.h b/arch/score/include/asm/poll.h
new file mode 100644
index 0000000..18532db
--- /dev/null
+++ b/arch/score/include/asm/poll.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_POLL_H
+#define _ASM_SCORE_POLL_H
+
+#include <asm-generic/poll.h>
+
+#endif /* _ASM_SCORE_POLL_H */
diff --git a/arch/score/include/asm/posix_types.h b/arch/score/include/asm/posix_types.h
new file mode 100644
index 0000000..b88acf8
--- /dev/null
+++ b/arch/score/include/asm/posix_types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_POSIX_TYPES_H
+#define _ASM_SCORE_POSIX_TYPES_H
+
+#include <asm-generic/posix_types.h>
+
+#endif /* _ASM_SCORE_POSIX_TYPES_H */
diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h
new file mode 100644
index 0000000..7e22f21
--- /dev/null
+++ b/arch/score/include/asm/processor.h
@@ -0,0 +1,106 @@
+#ifndef _ASM_SCORE_PROCESSOR_H
+#define _ASM_SCORE_PROCESSOR_H
+
+#include <linux/cpumask.h>
+#include <linux/threads.h>
+
+#include <asm/segment.h>
+
+struct task_struct;
+
+/*
+ * System setup and hardware flags..
+ */
+extern void (*cpu_wait)(void);
+
+extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+extern unsigned long thread_saved_pc(struct task_struct *tsk);
+extern void start_thread(struct pt_regs *regs,
+			unsigned long pc, unsigned long sp);
+extern unsigned long get_wchan(struct task_struct *p);
+
+/*
+ * Return current * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l; })
+
+#define cpu_relax()		barrier()
+#define release_thread(thread)	do {} while (0)
+#define prepare_to_copy(tsk)	do {} while (0)
+
+/*
+ * User space process size: 2GB. This is hardcoded into a few places,
+ * so don't change it unless you know what you are doing.
+ */
+#define TASK_SIZE	0x7fff8000UL
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE	((TASK_SIZE / 3) & ~(PAGE_SIZE))
+
+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	TASK_SIZE
+#endif
+
+/*
+ * If you change thread_struct remember to change the #defines below too!
+ */
+struct thread_struct {
+	unsigned long reg0, reg2, reg3;
+	unsigned long reg12, reg13, reg14, reg15, reg16;
+	unsigned long reg17, reg18, reg19, reg20, reg21;
+
+	unsigned long cp0_psr;
+	unsigned long cp0_ema;		/* Last user fault */
+	unsigned long cp0_badvaddr;	/* Last user fault */
+	unsigned long cp0_baduaddr;	/* Last kernel fault accessing USEG */
+	unsigned long error_code;
+	unsigned long trap_no;
+
+	unsigned long mflags;
+	unsigned long reg29;
+
+	unsigned long single_step;
+	unsigned long ss_nextcnt;
+
+	unsigned long insn1_type;
+	unsigned long addr1;
+	unsigned long insn1;
+
+	unsigned long insn2_type;
+	unsigned long addr2;
+	unsigned long insn2;
+
+	mm_segment_t current_ds;
+};
+
+#define INIT_THREAD {						\
+	.reg0			= 0,				\
+	.reg2			= 0,				\
+	.reg3			= 0,				\
+	.reg12			= 0,				\
+	.reg13			= 0,				\
+	.reg14			= 0,				\
+	.reg15			= 0,				\
+	.reg16			= 0,				\
+	.reg17			= 0,				\
+	.reg18			= 0,				\
+	.reg19			= 0,				\
+	.reg20			= 0,				\
+	.reg21			= 0,				\
+	.cp0_psr		= 0,				\
+	.error_code		= 0,				\
+	.trap_no		= 0,				\
+}
+
+#define kstk_tos(tsk)		\
+	((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)
+#define task_pt_regs(tsk)	((struct pt_regs *)kstk_tos(tsk) - 1)
+
+#define KSTK_EIP(tsk)		(task_pt_regs(tsk)->cp0_epc)
+#define KSTK_ESP(tsk)		(task_pt_regs(tsk)->regs[29])
+
+#endif /* _ASM_SCORE_PROCESSOR_H */
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
new file mode 100644
index 0000000..1a4900a
--- /dev/null
+++ b/arch/score/include/asm/ptrace.h
@@ -0,0 +1,87 @@
+#ifndef _ASM_SCORE_PTRACE_H
+#define _ASM_SCORE_PTRACE_H
+
+#define PC		32
+#define CONDITION	33
+#define ECR		34
+#define EMA		35
+#define CEH		36
+#define CEL		37
+#define COUNTER		38
+#define LDCR		39
+#define STCR		40
+#define PSR		41
+
+#define SINGLESTEP16_INSN	0x7006
+#define SINGLESTEP32_INSN	0x840C8000
+#define BREAKPOINT16_INSN	0x7002		/* work on SPG300 */
+#define BREAKPOINT32_INSN	0x84048000	/* work on SPG300 */
+
+/* Define instruction mask */
+#define INSN32_MASK	0x80008000
+
+#define J32	0x88008000	/* 1_00010_0000000000_1_000000000000000 */
+#define J32M	0xFC008000	/* 1_11111_0000000000_1_000000000000000 */
+
+#define B32	0x90008000	/* 1_00100_0000000000_1_000000000000000 */
+#define B32M	0xFC008000
+#define BL32	0x90008001	/* 1_00100_0000000000_1_000000000000001 */
+#define BL32M	B32
+#define BR32	0x80008008	/* 1_00000_0000000000_1_00000000_000100_0 */
+#define BR32M	0xFFE0807E
+#define BRL32	0x80008009	/* 1_00000_0000000000_1_00000000_000100_1 */
+#define BRL32M	BR32M
+
+#define B32_SET	(J32 | B32 | BL32 | BR32 | BRL32)
+
+#define J16	0x3000		/* 0_011_....... */
+#define J16M	0xF000
+#define B16	0x4000		/* 0_100_....... */
+#define B16M	0xF000
+#define BR16	0x0004		/* 0_000.......0100 */
+#define BR16M	0xF00F
+#define B16_SET (J16 | B16 | BR16)
+
+
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ */
+struct pt_regs {
+	unsigned long pad0[6];
+	unsigned long orig_r4;
+	unsigned long orig_r7;
+	unsigned long regs[32];
+
+	unsigned long cel;
+	unsigned long ceh;
+
+	unsigned long sr0;	/* cnt */
+	unsigned long sr1;	/* lcr */
+	unsigned long sr2;	/* scr */
+
+	unsigned long cp0_epc;
+	unsigned long cp0_ema;
+	unsigned long cp0_psr;
+	unsigned long cp0_ecr;
+	unsigned long cp0_condition;
+
+	long is_syscall;
+};
+
+#ifdef __KERNEL__
+
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs) 	((regs->cp0_psr & 8) == 8)
+
+#define instruction_pointer(regs) (0)
+#define profile_pc(regs) instruction_pointer(regs)
+
+extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
+extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
+extern void clear_single_step(struct task_struct *);
+#endif
+
+#endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/score/include/asm/resource.h b/arch/score/include/asm/resource.h
new file mode 100644
index 0000000..9ce22bc
--- /dev/null
+++ b/arch/score/include/asm/resource.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_RESOURCE_H
+#define _ASM_SCORE_RESOURCE_H
+
+#include <asm-generic/resource.h>
+
+#endif /* _ASM_SCORE_RESOURCE_H */
diff --git a/arch/score/include/asm/scatterlist.h b/arch/score/include/asm/scatterlist.h
new file mode 100644
index 0000000..9f533b8
--- /dev/null
+++ b/arch/score/include/asm/scatterlist.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SCATTERLIST_H
+#define _ASM_SCORE_SCATTERLIST_H
+
+#include <asm-generic/scatterlist.h>
+
+#endif /* _ASM_SCORE_SCATTERLIST_H */
diff --git a/arch/score/include/asm/scoreregs.h b/arch/score/include/asm/scoreregs.h
new file mode 100644
index 0000000..d0ad292
--- /dev/null
+++ b/arch/score/include/asm/scoreregs.h
@@ -0,0 +1,51 @@
+#ifndef _ASM_SCORE_SCOREREGS_H
+#define _ASM_SCORE_SCOREREGS_H
+
+#include <linux/linkage.h>
+
+/* TIMER register */
+#define TIME0BASE		0x96080000
+#define P_TIMER0_CTRL		(TIME0BASE + 0x00)
+#define P_TIMER0_CPP_CTRL	(TIME0BASE + 0x04)
+#define P_TIMER0_PRELOAD	(TIME0BASE + 0x08)
+#define P_TIMER0_CPP_REG	(TIME0BASE + 0x0C)
+#define P_TIMER0_UPCNT		(TIME0BASE + 0x10)
+
+/* Timer Controller Register */
+/* bit 0 Timer enable */
+#define TMR_DISABLE	0x0000
+#define TMR_ENABLE	0x0001
+
+/* bit 1 Interrupt enable */
+#define TMR_IE_DISABLE	0x0000
+#define TMR_IE_ENABLE	0x0002
+
+/* bit 2 Output enable */
+#define TMR_OE_DISABLE	0x0004
+#define TMR_OE_ENABLE	0x0000
+
+/* bit4 Up/Down counting selection */
+#define TMR_UD_DOWN	0x0000
+#define TMR_UD_UP	0x0010
+
+/* bit5 Up/Down counting control selection */
+#define TMR_UDS_UD	0x0000
+#define TMR_UDS_EXTUD	0x0020
+
+/* bit6 Time output mode */
+#define TMR_OM_TOGGLE	0x0000
+#define TMR_OM_PILSE	0x0040
+
+/* bit 8..9 External input active edge selection */
+#define TMR_ES_PE	0x0000
+#define TMR_ES_NE	0x0100
+#define TMR_ES_BOTH	0x0200
+
+/* bit 10..11 Operating mode */
+#define TMR_M_FREE	0x0000 /* free running timer mode */
+#define TMR_M_PERIODIC	0x0400 /* periodic timer mode */
+#define TMR_M_FC	0x0800 /* free running counter mode */
+#define TMR_M_PC	0x0c00 /* periodic counter mode */
+
+#define SYSTEM_CLOCK		(27*1000000/4)		/* 27 MHz */
+#endif /* _ASM_SCORE_SCOREREGS_H */
diff --git a/arch/score/include/asm/sections.h b/arch/score/include/asm/sections.h
new file mode 100644
index 0000000..9441d23
--- /dev/null
+++ b/arch/score/include/asm/sections.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SECTIONS_H
+#define _ASM_SCORE_SECTIONS_H
+
+#include <asm-generic/sections.h>
+
+#endif /* _ASM_SCORE_SECTIONS_H */
diff --git a/arch/score/include/asm/segment.h b/arch/score/include/asm/segment.h
new file mode 100644
index 0000000..e16cf6a
--- /dev/null
+++ b/arch/score/include/asm/segment.h
@@ -0,0 +1,21 @@
+#ifndef _ASM_SCORE_SEGMENT_H
+#define _ASM_SCORE_SEGMENT_H
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+	unsigned long seg;
+} mm_segment_t;
+
+#define KERNEL_DS	((mm_segment_t){0})
+#define USER_DS	KERNEL_DS
+
+# define get_ds()	(KERNEL_DS)
+# define get_fs()	(current_thread_info()->addr_limit)
+# define set_fs(x)	\
+	do { current_thread_info()->addr_limit = (x); } while (0)
+
+# define segment_eq(a, b)	((a).seg == (b).seg)
+
+# endif /* __ASSEMBLY__ */
+#endif /* _ASM_SCORE_SEGMENT_H */
diff --git a/arch/score/include/asm/sembuf.h b/arch/score/include/asm/sembuf.h
new file mode 100644
index 0000000..dae5e83
--- /dev/null
+++ b/arch/score/include/asm/sembuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SEMBUF_H
+#define _ASM_SCORE_SEMBUF_H
+
+#include <asm-generic/sembuf.h>
+
+#endif /* _ASM_SCORE_SEMBUF_H */
diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h
new file mode 100644
index 0000000..de89eff
--- /dev/null
+++ b/arch/score/include/asm/setup.h
@@ -0,0 +1,40 @@
+#ifndef _ASM_SCORE_SETUP_H
+#define _ASM_SCORE_SETUP_H
+
+#define COMMAND_LINE_SIZE	256
+#define MEM_SIZE		0x2000000
+
+#ifdef __KERNEL__
+
+extern void pagetable_init(void);
+extern void pgd_init(unsigned long page);
+
+extern void setup_early_printk(void);
+extern void cpu_cache_init(void);
+extern void tlb_init(void);
+
+extern void handle_nmi(void);
+extern void handle_adelinsn(void);
+extern void handle_adedata(void);
+extern void handle_ibe(void);
+extern void handle_pel(void);
+extern void handle_sys(void);
+extern void handle_ccu(void);
+extern void handle_ri(void);
+extern void handle_tr(void);
+extern void handle_ades(void);
+extern void handle_cee(void);
+extern void handle_cpe(void);
+extern void handle_dve(void);
+extern void handle_dbe(void);
+extern void handle_reserved(void);
+extern void handle_tlb_refill(void);
+extern void handle_tlb_invaild(void);
+extern void handle_mod(void);
+extern void debug_exception_vector(void);
+extern void general_exception_vector(void);
+extern void interrupt_exception_vector(void);
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_SETUP_H */
diff --git a/arch/score/include/asm/shmbuf.h b/arch/score/include/asm/shmbuf.h
new file mode 100644
index 0000000..c85b242
--- /dev/null
+++ b/arch/score/include/asm/shmbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SHMBUF_H
+#define _ASM_SCORE_SHMBUF_H
+
+#include <asm-generic/shmbuf.h>
+
+#endif /* _ASM_SCORE_SHMBUF_H */
diff --git a/arch/score/include/asm/shmparam.h b/arch/score/include/asm/shmparam.h
new file mode 100644
index 0000000..1d60813
--- /dev/null
+++ b/arch/score/include/asm/shmparam.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SHMPARAM_H
+#define _ASM_SCORE_SHMPARAM_H
+
+#include <asm-generic/shmparam.h>
+
+#endif /* _ASM_SCORE_SHMPARAM_H */
diff --git a/arch/score/include/asm/sigcontext.h b/arch/score/include/asm/sigcontext.h
new file mode 100644
index 0000000..5ffda39
--- /dev/null
+++ b/arch/score/include/asm/sigcontext.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_SCORE_SIGCONTEXT_H
+#define _ASM_SCORE_SIGCONTEXT_H
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/score/tools/offset.c
+ */
+struct sigcontext {
+	unsigned int		sc_regmask;
+	unsigned int		sc_psr;
+	unsigned int		sc_condition;
+	unsigned long		sc_pc;
+	unsigned long		sc_regs[32];
+	unsigned int		sc_ssflags;
+	unsigned int		sc_mdceh;
+	unsigned int		sc_mdcel;
+	unsigned int		sc_ecr;
+	unsigned long		sc_ema;
+	unsigned long		sc_sigset[4];
+};
+
+#endif /* _ASM_SCORE_SIGCONTEXT_H */
diff --git a/arch/score/include/asm/siginfo.h b/arch/score/include/asm/siginfo.h
new file mode 100644
index 0000000..87ca356
--- /dev/null
+++ b/arch/score/include/asm/siginfo.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SIGINFO_H
+#define _ASM_SCORE_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+#endif /* _ASM_SCORE_SIGINFO_H */
diff --git a/arch/score/include/asm/signal.h b/arch/score/include/asm/signal.h
new file mode 100644
index 0000000..2605bc0
--- /dev/null
+++ b/arch/score/include/asm/signal.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SIGNAL_H
+#define _ASM_SCORE_SIGNAL_H
+
+#include <asm-generic/signal.h>
+
+#endif /* _ASM_SCORE_SIGNAL_H */
diff --git a/arch/score/include/asm/socket.h b/arch/score/include/asm/socket.h
new file mode 100644
index 0000000..612a70e
--- /dev/null
+++ b/arch/score/include/asm/socket.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SOCKET_H
+#define _ASM_SCORE_SOCKET_H
+
+#include <asm-generic/socket.h>
+
+#endif /* _ASM_SCORE_SOCKET_H */
diff --git a/arch/score/include/asm/sockios.h b/arch/score/include/asm/sockios.h
new file mode 100644
index 0000000..ba825648
--- /dev/null
+++ b/arch/score/include/asm/sockios.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SOCKIOS_H
+#define _ASM_SCORE_SOCKIOS_H
+
+#include <asm-generic/sockios.h>
+
+#endif /* _ASM_SCORE_SOCKIOS_H */
diff --git a/arch/score/include/asm/stat.h b/arch/score/include/asm/stat.h
new file mode 100644
index 0000000..5037055
--- /dev/null
+++ b/arch/score/include/asm/stat.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_STAT_H
+#define _ASM_SCORE_STAT_H
+
+#include <asm-generic/stat.h>
+
+#endif /* _ASM_SCORE_STAT_H */
diff --git a/arch/score/include/asm/statfs.h b/arch/score/include/asm/statfs.h
new file mode 100644
index 0000000..36e4100
--- /dev/null
+++ b/arch/score/include/asm/statfs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_STATFS_H
+#define _ASM_SCORE_STATFS_H
+
+#include <asm-generic/statfs.h>
+
+#endif /* _ASM_SCORE_STATFS_H */
diff --git a/arch/score/include/asm/string.h b/arch/score/include/asm/string.h
new file mode 100644
index 0000000..8a6bf50
--- /dev/null
+++ b/arch/score/include/asm/string.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_STRING_H
+#define _ASM_SCORE_STRING_H
+
+extern void *memset(void *__s, int __c, size_t __count);
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
+
+#endif /* _ASM_SCORE_STRING_H */
diff --git a/arch/score/include/asm/swab.h b/arch/score/include/asm/swab.h
new file mode 100644
index 0000000..fadc3cc
--- /dev/null
+++ b/arch/score/include/asm/swab.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SWAB_H
+#define _ASM_SCORE_SWAB_H
+
+#include <asm-generic/swab.h>
+
+#endif /* _ASM_SCORE_SWAB_H */
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
new file mode 100644
index 0000000..00c28e0
--- /dev/null
+++ b/arch/score/include/asm/syscalls.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SCORE_SYSCALLS_H
+#define _ASM_SCORE_SYSCALLS_H
+
+asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
+#define sys_clone sys_clone
+
+#include <asm-generic/syscalls.h>
+
+#endif /* _ASM_SCORE_SYSCALLS_H */
diff --git a/arch/score/include/asm/system.h b/arch/score/include/asm/system.h
new file mode 100644
index 0000000..589d5c7
--- /dev/null
+++ b/arch/score/include/asm/system.h
@@ -0,0 +1,90 @@
+#ifndef _ASM_SCORE_SYSTEM_H
+#define _ASM_SCORE_SYSTEM_H
+
+#include <linux/types.h>
+#include <linux/irqflags.h>
+
+struct pt_regs;
+struct task_struct;
+
+extern void *resume(void *last, void *next, void *next_ti);
+
+#define switch_to(prev, next, last)				\
+do {								\
+	(last) = resume(prev, next, task_thread_info(next));	\
+} while (0)
+
+#define finish_arch_switch(prev)	do {} while (0)
+
+typedef void (*vi_handler_t)(void);
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#define mb()		barrier()
+#define rmb()		barrier()
+#define wmb()		barrier()
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+
+#define read_barrier_depends()		do {} while (0)
+#define smp_read_barrier_depends()	do {} while (0)
+
+#define set_mb(var, value) 		do {var = value; wmb(); } while (0)
+
+#define __HAVE_ARCH_CMPXCHG	1
+
+#include <asm-generic/cmpxchg-local.h>
+
+#ifndef __ASSEMBLY__
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+static inline
+unsigned long __xchg(volatile unsigned long *m, unsigned long val)
+{
+	unsigned long retval;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	retval = *m;
+	*m = val;
+	local_irq_restore(flags);
+	return retval;
+}
+
+#define xchg(ptr, v)						\
+	((__typeof__(*(ptr))) __xchg((unsigned long *)(ptr),	\
+					(unsigned long)(v)))
+
+static inline unsigned long __cmpxchg(volatile unsigned long *m,
+				unsigned long old, unsigned long new)
+{
+	unsigned long retval;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	retval = *m;
+	if (retval == old)
+		*m = new;
+	local_irq_restore(flags);
+	return retval;
+}
+
+#define cmpxchg(ptr, o, n)					\
+	((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr),	\
+					(unsigned long)(o),	\
+					(unsigned long)(n)))
+
+extern void __die(const char *, struct pt_regs *, const char *,
+	const char *, unsigned long) __attribute__((noreturn));
+extern void __die_if_kernel(const char *, struct pt_regs *, const char *,
+	const char *, unsigned long);
+
+#define die(msg, regs)							\
+	__die(msg, regs, __FILE__ ":", __func__, __LINE__)
+#define die_if_kernel(msg, regs)					\
+	__die_if_kernel(msg, regs, __FILE__ ":", __func__, __LINE__)
+
+#endif /* !__ASSEMBLY__ */
+#endif /* _ASM_SCORE_SYSTEM_H */
diff --git a/arch/score/include/asm/termbits.h b/arch/score/include/asm/termbits.h
new file mode 100644
index 0000000..9a95c14
--- /dev/null
+++ b/arch/score/include/asm/termbits.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TERMBITS_H
+#define _ASM_SCORE_TERMBITS_H
+
+#include <asm-generic/termbits.h>
+
+#endif /* _ASM_SCORE_TERMBITS_H */
diff --git a/arch/score/include/asm/termios.h b/arch/score/include/asm/termios.h
new file mode 100644
index 0000000..40984e8
--- /dev/null
+++ b/arch/score/include/asm/termios.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TERMIOS_H
+#define _ASM_SCORE_TERMIOS_H
+
+#include <asm-generic/termios.h>
+
+#endif /* _ASM_SCORE_TERMIOS_H */
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h
new file mode 100644
index 0000000..0af8ca0
--- /dev/null
+++ b/arch/score/include/asm/thread_info.h
@@ -0,0 +1,103 @@
+#ifndef _ASM_SCORE_THREAD_INFO_H
+#define _ASM_SCORE_THREAD_INFO_H
+
+#ifdef __KERNEL__
+
+#define KU_MASK	0x08
+#define KU_USER	0x08
+#define KU_KERN	0x00
+
+#ifndef __ASSEMBLY__
+
+#include <asm/processor.h>
+
+/*
+ * low level task data that entry.S needs immediate access to
+ * - this struct should fit entirely inside of one cache line
+ * - this struct shares the supervisor stack pages
+ * - if the contents of this structure are changed, the assembly constants
+ *   must also be changed
+ */
+struct thread_info {
+	struct task_struct	*task;		/* main task structure */
+	struct exec_domain	*exec_domain;	/* execution domain */
+	unsigned long		flags;		/* low level flags */
+	unsigned long		tp_value;	/* thread pointer */
+	__u32			cpu;		/* current CPU */
+
+	/* 0 => preemptable, < 0 => BUG */
+	int			preempt_count;
+
+	/*
+	 * thread address space:
+	 * 0-0xBFFFFFFF for user-thead
+	 * 0-0xFFFFFFFF for kernel-thread
+	 */
+	mm_segment_t		addr_limit;
+	struct restart_block	restart_block;
+	struct pt_regs		*regs;
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ *
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+ */
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.task		= &tsk,			\
+	.exec_domain	= &default_exec_domain,	\
+	.cpu		= 0,			\
+	.preempt_count	= 1,			\
+	.addr_limit	= KERNEL_DS,		\
+	.restart_block	= {			\
+		.fn = do_no_restart_syscall,	\
+	},					\
+}
+
+#define init_thread_info	(init_thread_union.thread_info)
+#define init_stack		(init_thread_union.stack)
+
+/* How to get the thread information struct from C. */
+register struct thread_info *__current_thread_info __asm__("r28");
+#define current_thread_info()	__current_thread_info
+
+/* thread information allocation */
+#define THREAD_SIZE_ORDER 	(1)
+#define THREAD_SIZE 		(PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_MASK 		(THREAD_SIZE - 1UL)
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define free_thread_info(info) kfree(info)
+
+#endif /* !__ASSEMBLY__ */
+
+#define PREEMPT_ACTIVE		0x10000000
+
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to
+ *   access
+ * - pending work-to-be-done flags are in LSW
+ * - other flags in MSW
+ */
+#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
+#define TIF_SIGPENDING		1	/* signal pending */
+#define TIF_NEED_RESCHED	2	/* rescheduling necessary */
+#define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal() */
+#define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling
+						 TIF_NEED_RESCHED */
+#define TIF_MEMDIE		18
+
+#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
+#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+
+#define _TIF_WORK_MASK		(0x0000ffff)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_THREAD_INFO_H */
diff --git a/arch/score/include/asm/timex.h b/arch/score/include/asm/timex.h
new file mode 100644
index 0000000..a524ae0
--- /dev/null
+++ b/arch/score/include/asm/timex.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_TIMEX_H
+#define _ASM_SCORE_TIMEX_H
+
+#define CLOCK_TICK_RATE 27000000 /* Timer input freq. */
+
+#include <asm-generic/timex.h>
+
+#endif /* _ASM_SCORE_TIMEX_H */
diff --git a/arch/score/include/asm/tlb.h b/arch/score/include/asm/tlb.h
new file mode 100644
index 0000000..46882ed
--- /dev/null
+++ b/arch/score/include/asm/tlb.h
@@ -0,0 +1,17 @@
+#ifndef _ASM_SCORE_TLB_H
+#define _ASM_SCORE_TLB_H
+
+/*
+ * SCORE doesn't need any special per-pte or per-vma handling, except
+ * we need to flush cache for area to be unmapped.
+ */
+#define tlb_start_vma(tlb, vma)		do {} while (0)
+#define tlb_end_vma(tlb, vma)		do {} while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address) do {} while (0)
+#define tlb_flush(tlb)			flush_tlb_mm((tlb)->mm)
+
+extern void score7_FTLB_refill_Handler(void);
+
+#include <asm-generic/tlb.h>
+
+#endif /* _ASM_SCORE_TLB_H */
diff --git a/arch/score/include/asm/tlbflush.h b/arch/score/include/asm/tlbflush.h
new file mode 100644
index 0000000..9cce978
--- /dev/null
+++ b/arch/score/include/asm/tlbflush.h
@@ -0,0 +1,142 @@
+#ifndef _ASM_SCORE_TLBFLUSH_H
+#define _ASM_SCORE_TLBFLUSH_H
+
+#include <linux/mm.h>
+
+/*
+ * TLB flushing:
+ *
+ * - flush_tlb_all() flushes all processes TLB entries
+ * - flush_tlb_mm(mm) flushes the specified mm context TLB entries
+ * - flush_tlb_page(vma, vmaddr) flushes one page
+ * - flush_tlb_range(vma, start, end) flushes a range of pages
+ * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ */
+extern void local_flush_tlb_all(void);
+extern void local_flush_tlb_mm(struct mm_struct *mm);
+extern void local_flush_tlb_range(struct vm_area_struct *vma,
+	unsigned long start, unsigned long end);
+extern void local_flush_tlb_kernel_range(unsigned long start,
+	unsigned long end);
+extern void local_flush_tlb_page(struct vm_area_struct *vma,
+	unsigned long page);
+extern void local_flush_tlb_one(unsigned long vaddr);
+
+#define flush_tlb_all()			local_flush_tlb_all()
+#define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
+#define flush_tlb_range(vma, vmaddr, end) \
+	local_flush_tlb_range(vma, vmaddr, end)
+#define flush_tlb_kernel_range(vmaddr, end) \
+	local_flush_tlb_kernel_range(vmaddr, end)
+#define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
+#define flush_tlb_one(vaddr)		local_flush_tlb_one(vaddr)
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned long pevn_get(void)
+{
+	unsigned long val;
+
+	__asm__ __volatile__(
+		"mfcr %0, cr11\n"
+		"nop\nnop\n"
+		: "=r" (val));
+
+	return val;
+}
+
+static inline void pevn_set(unsigned long val)
+{
+	__asm__ __volatile__(
+		"mtcr %0, cr11\n"
+		"nop\nnop\nnop\nnop\nnop\n"
+	: : "r" (val));
+}
+
+static inline void pectx_set(unsigned long val)
+{
+	__asm__ __volatile__(
+		"mtcr %0, cr12\n"
+		"nop\nnop\nnop\nnop\nnop\n"
+	: : "r" (val));
+}
+
+static inline unsigned long pectx_get(void)
+{
+	unsigned long val;
+	__asm__ __volatile__(
+		"mfcr %0, cr12\n"
+		"nop\nnop\n"
+	: "=r" (val));
+	return val;
+}
+static inline unsigned long tlblock_get(void)
+{
+	unsigned long val;
+
+	__asm__ __volatile__(
+		"mfcr %0, cr7\n"
+		"nop\nnop\n"
+	: "=r" (val));
+	return val;
+}
+static inline void tlblock_set(unsigned long val)
+{
+	__asm__ __volatile__(
+		"mtcr %0, cr7\n"
+		"nop\nnop\nnop\nnop\nnop\n"
+	: : "r" (val));
+}
+
+static inline void tlbpt_set(unsigned long val)
+{
+	__asm__ __volatile__(
+		"mtcr %0, cr8\n"
+		"nop\nnop\nnop\nnop\nnop\n"
+		: : "r" (val));
+}
+
+static inline long tlbpt_get(void)
+{
+	long val;
+
+	__asm__ __volatile__(
+		"mfcr %0, cr8\n"
+		"nop\nnop\n"
+		: "=r" (val));
+
+	return val;
+}
+
+static inline void peaddr_set(unsigned long val)
+{
+	__asm__ __volatile__(
+		"mtcr %0, cr9\n"
+		"nop\nnop\nnop\nnop\nnop\n"
+		: : "r" (val));
+}
+
+/* TLB operations. */
+static inline void tlb_probe(void)
+{
+	__asm__ __volatile__("stlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_read(void)
+{
+	__asm__ __volatile__("mftlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_write_indexed(void)
+{
+	__asm__ __volatile__("mtptlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_write_random(void)
+{
+	__asm__ __volatile__("mtrtlb;nop;nop;nop;nop;nop");
+}
+
+#endif /* Not __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_TLBFLUSH_H */
diff --git a/arch/score/include/asm/topology.h b/arch/score/include/asm/topology.h
new file mode 100644
index 0000000..425fba3
--- /dev/null
+++ b/arch/score/include/asm/topology.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TOPOLOGY_H
+#define _ASM_SCORE_TOPOLOGY_H
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_SCORE_TOPOLOGY_H */
diff --git a/arch/score/include/asm/types.h b/arch/score/include/asm/types.h
new file mode 100644
index 0000000..2140032
--- /dev/null
+++ b/arch/score/include/asm/types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TYPES_H
+#define _ASM_SCORE_TYPES_H
+
+#include <asm-generic/types.h>
+
+#endif /* _ASM_SCORE_TYPES_H */
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
new file mode 100644
index 0000000..43ce28a1d
--- /dev/null
+++ b/arch/score/include/asm/uaccess.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_SCORE_UACCESS_H
+#define _ASM_SCORE_UACCESS_H
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * 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.
+ */
+struct pt_regs;
+extern int fixup_exception(struct pt_regs *regs);
+
+#ifndef __ASSEMBLY__
+
+#define __range_ok(addr, size)					\
+	((((unsigned long)(addr) >= 0x80000000)			\
+	|| ((unsigned long)(size) > 0x80000000)			\
+	|| (((unsigned long)(addr) + (unsigned long)(size)) > 0x80000000)))
+
+#define __access_ok(addr, size) \
+	(__range_ok((addr), (size)) == 0)
+
+#include <asm-generic/uaccess.h>
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_UACCESS_H */
diff --git a/arch/score/include/asm/unaligned.h b/arch/score/include/asm/unaligned.h
new file mode 100644
index 0000000..2fc06de
--- /dev/null
+++ b/arch/score/include/asm/unaligned.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_UNALIGNED_H
+#define _ASM_SCORE_UNALIGNED_H
+
+#include <asm-generic/unaligned.h>
+
+#endif /* _ASM_SCORE_UNALIGNED_H */
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
new file mode 100644
index 0000000..9aa3a15
--- /dev/null
+++ b/arch/score/include/asm/unistd.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_UNISTD_H
+#define _ASM_SCORE_UNISTD_H
+
+#define __ARCH_HAVE_MMU
+
+#include <asm-generic/unistd.h>
+
+#endif /* _ASM_SCORE_UNISTD_H */
diff --git a/arch/score/include/asm/user.h b/arch/score/include/asm/user.h
new file mode 100644
index 0000000..3cf7572
--- /dev/null
+++ b/arch/score/include/asm/user.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_USER_H
+#define _ASM_SCORE_USER_H
+
+#endif /* _ASM_SCORE_USER_H */