54 files changed, 280 insertions, 273 deletions

diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
index b367abd4620..2f947aba4bd 100644
--- a/arch/score/include/asm/Kbuild
+++ b/arch/score/include/asm/Kbuild
@@ -1,3 +1,12 @@
-include include/asm-generic/Kbuild.asm
 
 header-y +=
+
+
+generic-y += barrier.h
+generic-y += clkdev.h
+generic-y += cputime.h
+generic-y += hash.h
+generic-y += mcs_spinlock.h
+generic-y += preempt.h
+generic-y += trace_clock.h
+generic-y += xor.h
diff --git a/arch/score/include/asm/atomic.h b/arch/score/include/asm/atomic.h
index 84eb8ddf9f3..edf33dbded1 100644
--- a/arch/score/include/asm/atomic.h
+++ b/arch/score/include/asm/atomic.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_SCORE_ATOMIC_H
 #define _ASM_SCORE_ATOMIC_H
 
+#include <asm/cmpxchg.h>
 #include <asm-generic/atomic.h>
 
 #endif /* _ASM_SCORE_ATOMIC_H */
diff --git a/arch/score/include/asm/bitops.h b/arch/score/include/asm/bitops.h
index 2763b050fca..c1bf8d6d0fb 100644
--- a/arch/score/include/asm/bitops.h
+++ b/arch/score/include/asm/bitops.h
@@ -2,13 +2,7 @@
 #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/barrier.h>
 
 #include <asm-generic/bitops.h>
 #include <asm-generic/bitops/__fls.h>
diff --git a/arch/score/include/asm/bug.h b/arch/score/include/asm/bug.h
index bb76a330bcf..fd7164af1f0 100644
--- a/arch/score/include/asm/bug.h
+++ b/arch/score/include/asm/bug.h
@@ -3,4 +3,15 @@
 
 #include <asm-generic/bug.h>
 
+struct pt_regs;
+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 /* _ASM_SCORE_BUG_H */
diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h
index f909ac3144a..961bd64015a 100644
--- a/arch/score/include/asm/checksum.h
+++ b/arch/score/include/asm/checksum.h
@@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
 				__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"
+		".set\tvolatile\t\t\t# csum_ipv6_magic\n\t"
+		"add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t"
+		"cmp.c\t%5, %0\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %6\t\t\t# csum\n\t"
+		"cmp.c\t%6, %0\n\t"
+		"lw\t%1, [%2, 0]\t\t\t# four words source address\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"1:lw\t%1, [%2, 4]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%2,8]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%2, 12]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0,%1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%3, 0]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%3, 4]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%3, 8]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"lw\t%1, [%3, 12]\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:add\t%0, %0, %1\n\t"
+		"cmp.c\t%1, %0\n\t"
+		"bleu 1f\n\t"
+		"addi\t%0, 0x1\n\t"
+		"1:\n\t"
+		".set\toptimize"
 		: "=r" (sum), "=r" (proto)
 		: "r" (saddr), "r" (daddr),
 		  "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
diff --git a/arch/score/include/asm/cmpxchg.h b/arch/score/include/asm/cmpxchg.h
new file mode 100644
index 00000000000..f384839c3ee
--- /dev/null
+++ b/arch/score/include/asm/cmpxchg.h
@@ -0,0 +1,49 @@
+#ifndef _ASM_SCORE_CMPXCHG_H
+#define _ASM_SCORE_CMPXCHG_H
+
+#include <linux/irqflags.h>
+
+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)))
+
+#define __HAVE_ARCH_CMPXCHG	1
+
+#include <asm-generic/cmpxchg-local.h>
+
+#endif /* _ASM_SCORE_CMPXCHG_H */
diff --git a/arch/score/include/asm/cputime.h b/arch/score/include/asm/cputime.h
deleted file mode 100644
index 1fced99f0d6..00000000000
--- a/arch/score/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#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/dma-mapping.h b/arch/score/include/asm/dma-mapping.h
deleted file mode 100644
index f9c0193c7a5..00000000000
--- a/arch/score/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#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/elf.h b/arch/score/include/asm/elf.h
index f478ce94181..6a9421c693c 100644
--- a/arch/score/include/asm/elf.h
+++ b/arch/score/include/asm/elf.h
@@ -52,11 +52,6 @@ typedef elf_fpreg_t	elf_fpregset_t;
 #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;
 
diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
new file mode 100644
index 00000000000..f9f3cd59c86
--- /dev/null
+++ b/arch/score/include/asm/exec.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_EXEC_H
+#define _ASM_SCORE_EXEC_H
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#endif /* _ASM_SCORE_EXEC_H */
diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h
index fbbfd7132e3..574c8827abe 100644
--- a/arch/score/include/asm/io.h
+++ b/arch/score/include/asm/io.h
@@ -5,5 +5,4 @@
 
 #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/irqflags.h b/arch/score/include/asm/irqflags.h
index 5c7563891e2..37c6ac9dd6e 100644
--- a/arch/score/include/asm/irqflags.h
+++ b/arch/score/include/asm/irqflags.h
@@ -29,7 +29,7 @@ static inline unsigned long arch_local_save_flags(void)
 
 static inline unsigned long arch_local_irq_save(void)
 {
-	unsigned long flags
+	unsigned long flags;
 
 	asm volatile(
 		"	mfcr	r8, cr0		\n"
diff --git a/arch/score/include/asm/module.h b/arch/score/include/asm/module.h
index f0b5dc0bd02..abf395bbfab 100644
--- a/arch/score/include/asm/module.h
+++ b/arch/score/include/asm/module.h
@@ -3,6 +3,7 @@
 
 #include <linux/list.h>
 #include <asm/uaccess.h>
+#include <asm-generic/module.h>
 
 struct mod_arch_specific {
 	/* Data Bus Error exception tables */
@@ -13,11 +14,6 @@ struct mod_arch_specific {
 
 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);
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
index 059a61b7071..2e067657db9 100644
--- a/arch/score/include/asm/pgalloc.h
+++ b/arch/score/include/asm/pgalloc.h
@@ -2,7 +2,7 @@
 #define _ASM_SCORE_PGALLOC_H
 
 #include <linux/mm.h>
-
+#include <linux/highmem.h>
 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
 	pte_t *pte)
 {
@@ -54,9 +54,12 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
 	struct page *pte;
 
 	pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
-	if (pte) {
-		clear_highpage(pte);
-		pgtable_page_ctor(pte);
+	if (!pte)
+		return NULL;
+	clear_highpage(pte);
+	if (!pgtable_page_ctor(pte)) {
+		__free_page(pte);
+		return NULL;
 	}
 	return pte;
 }
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index 2fd46980768..db96ad9afc0 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -113,9 +113,6 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
 #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)
-
 /*
  * The "pgd_xxx()" functions here are trivial for a folded two-level
  * setup: the pgd is never bad, and a pmd always exists (as it's folded
diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h
index 7e22f216d77..d9a922d8711 100644
--- a/arch/score/include/asm/processor.h
+++ b/arch/score/include/asm/processor.h
@@ -13,7 +13,6 @@ struct task_struct;
  */
 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);
@@ -26,7 +25,6 @@ extern unsigned long get_wchan(struct task_struct *p);
 
 #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,
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index e89dc9b1ef4..abc279d96b7 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -1,78 +1,8 @@
 #ifndef _ASM_SCORE_PTRACE_H
 #define _ASM_SCORE_PTRACE_H
 
-#define PTRACE_GETREGS		12
-#define PTRACE_SETREGS		13
+#include <uapi/asm/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];	/* stack arguments */
-	unsigned long orig_r4;
-	unsigned long orig_r7;
-	long is_syscall;
-
-	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;
-};
-
-#ifdef __KERNEL__
 
 struct task_struct;
 
@@ -83,6 +13,7 @@ struct task_struct;
 
 #define instruction_pointer(regs)	((unsigned long)(regs)->cp0_epc)
 #define profile_pc(regs)		instruction_pointer(regs)
+#define user_stack_pointer(r)		((unsigned long)(r)->regs[0])
 
 extern void do_syscall_trace(struct pt_regs *regs, int entryexit);
 extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
@@ -91,6 +22,4 @@ extern int read_tsk_short(struct task_struct *, unsigned long,
 
 #define arch_has_single_step()	(1)
 
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h
index 3cb944dc68d..1f3aa7262fa 100644
--- a/arch/score/include/asm/setup.h
+++ b/arch/score/include/asm/setup.h
@@ -1,11 +1,8 @@
 #ifndef _ASM_SCORE_SETUP_H
 #define _ASM_SCORE_SETUP_H
 
-#define COMMAND_LINE_SIZE	256
-#define MEMORY_START		0
-#define MEMORY_SIZE		0x2000000
+#include <uapi/asm/setup.h>
 
-#ifdef __KERNEL__
 
 extern void pagetable_init(void);
 extern void pgd_init(unsigned long page);
@@ -36,6 +33,4 @@ 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/switch_to.h b/arch/score/include/asm/switch_to.h
new file mode 100644
index 00000000000..031756b59ec
--- /dev/null
+++ b/arch/score/include/asm/switch_to.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_SCORE_SWITCH_TO_H
+#define _ASM_SCORE_SWITCH_TO_H
+
+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)
+
+#endif /* _ASM_SCORE_SWITCH_TO_H */
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
index 1dd5e0d6b0c..98d1df92fbd 100644
--- a/arch/score/include/asm/syscalls.h
+++ b/arch/score/include/asm/syscalls.h
@@ -1,9 +1,6 @@
 #ifndef _ASM_SCORE_SYSCALLS_H
 #define _ASM_SCORE_SYSCALLS_H
 
-asmlinkage long score_clone(struct pt_regs *regs);
-asmlinkage long score_execve(struct pt_regs *regs);
-asmlinkage long score_sigaltstack(struct pt_regs *regs);
 asmlinkage long score_rt_sigreturn(struct pt_regs *regs);
 
 #include <asm-generic/syscalls.h>
diff --git a/arch/score/include/asm/system.h b/arch/score/include/asm/system.h
deleted file mode 100644
index 589d5c7e171..00000000000
--- a/arch/score/include/asm/system.h
+++ /dev/null
@@ -1,90 +0,0 @@
-#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/thread_info.h b/arch/score/include/asm/thread_info.h
index 8570d08f58c..656b7ada932 100644
--- a/arch/score/include/asm/thread_info.h
+++ b/arch/score/include/asm/thread_info.h
@@ -11,10 +11,9 @@
 #include <linux/const.h>
 
 /* thread information allocation */
-#define THREAD_SIZE_ORDER 	(1)
-#define THREAD_SIZE 		(PAGE_SIZE << THREAD_SIZE_ORDER)
-#define THREAD_MASK 		(THREAD_SIZE - _AC(1,UL))
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+#define THREAD_SIZE_ORDER	(1)
+#define THREAD_SIZE		(PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_MASK		(THREAD_SIZE - _AC(1,UL))
 
 #ifndef __ASSEMBLY__
 
@@ -71,13 +70,8 @@ struct thread_info {
 register struct thread_info *__current_thread_info __asm__("r28");
 #define current_thread_info()	__current_thread_info
 
-#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
@@ -90,16 +84,12 @@ register struct thread_info *__current_thread_info __asm__("r28");
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
 #define TIF_NOTIFY_RESUME	5	/* callback before returning to user */
 #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	/* is terminating due to OOM killer */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
-#define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
-#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 
 #define _TIF_WORK_MASK		(0x0000ffff)
 
diff --git a/arch/score/include/uapi/asm/Kbuild b/arch/score/include/uapi/asm/Kbuild
new file mode 100644
index 00000000000..040178cdb3e
--- /dev/null
+++ b/arch/score/include/uapi/asm/Kbuild
@@ -0,0 +1,34 @@
+# UAPI Header export list
+include include/uapi/asm-generic/Kbuild.asm
+
+header-y += auxvec.h
+header-y += bitsperlong.h
+header-y += byteorder.h
+header-y += errno.h
+header-y += fcntl.h
+header-y += ioctl.h
+header-y += ioctls.h
+header-y += ipcbuf.h
+header-y += kvm_para.h
+header-y += mman.h
+header-y += msgbuf.h
+header-y += param.h
+header-y += poll.h
+header-y += posix_types.h
+header-y += ptrace.h
+header-y += resource.h
+header-y += sembuf.h
+header-y += setup.h
+header-y += shmbuf.h
+header-y += sigcontext.h
+header-y += siginfo.h
+header-y += signal.h
+header-y += socket.h
+header-y += sockios.h
+header-y += stat.h
+header-y += statfs.h
+header-y += swab.h
+header-y += termbits.h
+header-y += termios.h
+header-y += types.h
+header-y += unistd.h
diff --git a/arch/score/include/asm/auxvec.h b/arch/score/include/uapi/asm/auxvec.h
index f69151565ae..f69151565ae 100644
--- a/arch/score/include/asm/auxvec.h
+++ b/arch/score/include/uapi/asm/auxvec.h
diff --git a/arch/score/include/asm/bitsperlong.h b/arch/score/include/uapi/asm/bitsperlong.h
index 86ff337aa45..86ff337aa45 100644
--- a/arch/score/include/asm/bitsperlong.h
+++ b/arch/score/include/uapi/asm/bitsperlong.h
diff --git a/arch/score/include/asm/byteorder.h b/arch/score/include/uapi/asm/byteorder.h
index 88cbebc7921..88cbebc7921 100644
--- a/arch/score/include/asm/byteorder.h
+++ b/arch/score/include/uapi/asm/byteorder.h
diff --git a/arch/score/include/asm/errno.h b/arch/score/include/uapi/asm/errno.h
index 29ff39d5ab4..29ff39d5ab4 100644
--- a/arch/score/include/asm/errno.h
+++ b/arch/score/include/uapi/asm/errno.h
diff --git a/arch/score/include/asm/fcntl.h b/arch/score/include/uapi/asm/fcntl.h
index 03968a3103a..03968a3103a 100644
--- a/arch/score/include/asm/fcntl.h
+++ b/arch/score/include/uapi/asm/fcntl.h
diff --git a/arch/score/include/asm/ioctl.h b/arch/score/include/uapi/asm/ioctl.h
index a351d2194bf..a351d2194bf 100644
--- a/arch/score/include/asm/ioctl.h
+++ b/arch/score/include/uapi/asm/ioctl.h
diff --git a/arch/score/include/asm/ioctls.h b/arch/score/include/uapi/asm/ioctls.h
index ed01d2b9aea..ed01d2b9aea 100644
--- a/arch/score/include/asm/ioctls.h
+++ b/arch/score/include/uapi/asm/ioctls.h
diff --git a/arch/score/include/asm/ipcbuf.h b/arch/score/include/uapi/asm/ipcbuf.h
index e082ceff181..e082ceff181 100644
--- a/arch/score/include/asm/ipcbuf.h
+++ b/arch/score/include/uapi/asm/ipcbuf.h
diff --git a/arch/score/include/uapi/asm/kvm_para.h b/arch/score/include/uapi/asm/kvm_para.h
new file mode 100644
index 00000000000..14fab8f0b95
--- /dev/null
+++ b/arch/score/include/uapi/asm/kvm_para.h
@@ -0,0 +1 @@
+#include <asm-generic/kvm_para.h>
diff --git a/arch/score/include/asm/mman.h b/arch/score/include/uapi/asm/mman.h
index 84d85ddfed8..84d85ddfed8 100644
--- a/arch/score/include/asm/mman.h
+++ b/arch/score/include/uapi/asm/mman.h
diff --git a/arch/score/include/asm/msgbuf.h b/arch/score/include/uapi/asm/msgbuf.h
index 7506721e29f..7506721e29f 100644
--- a/arch/score/include/asm/msgbuf.h
+++ b/arch/score/include/uapi/asm/msgbuf.h
diff --git a/arch/score/include/asm/param.h b/arch/score/include/uapi/asm/param.h
index 916b8690b6a..916b8690b6a 100644
--- a/arch/score/include/asm/param.h
+++ b/arch/score/include/uapi/asm/param.h
diff --git a/arch/score/include/asm/poll.h b/arch/score/include/uapi/asm/poll.h
index 18532db0286..18532db0286 100644
--- a/arch/score/include/asm/poll.h
+++ b/arch/score/include/uapi/asm/poll.h
diff --git a/arch/score/include/asm/posix_types.h b/arch/score/include/uapi/asm/posix_types.h
index b88acf80048..b88acf80048 100644
--- a/arch/score/include/asm/posix_types.h
+++ b/arch/score/include/uapi/asm/posix_types.h
diff --git a/arch/score/include/uapi/asm/ptrace.h b/arch/score/include/uapi/asm/ptrace.h
new file mode 100644
index 00000000000..f59771a3f12
--- /dev/null
+++ b/arch/score/include/uapi/asm/ptrace.h
@@ -0,0 +1,76 @@
+#ifndef _UAPI_ASM_SCORE_PTRACE_H
+#define _UAPI_ASM_SCORE_PTRACE_H
+
+#define PTRACE_GETREGS		12
+#define PTRACE_SETREGS		13
+
+#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];	/* stack arguments */
+	unsigned long orig_r4;
+	unsigned long orig_r7;
+	long is_syscall;
+
+	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;
+};
+
+
+#endif /* _UAPI_ASM_SCORE_PTRACE_H */
diff --git a/arch/score/include/asm/resource.h b/arch/score/include/uapi/asm/resource.h
index 9ce22bc7b47..9ce22bc7b47 100644
--- a/arch/score/include/asm/resource.h
+++ b/arch/score/include/uapi/asm/resource.h
diff --git a/arch/score/include/asm/sembuf.h b/arch/score/include/uapi/asm/sembuf.h
index dae5e835ce9..dae5e835ce9 100644
--- a/arch/score/include/asm/sembuf.h
+++ b/arch/score/include/uapi/asm/sembuf.h
diff --git a/arch/score/include/uapi/asm/setup.h b/arch/score/include/uapi/asm/setup.h
new file mode 100644
index 00000000000..ab9dbdb59bb
--- /dev/null
+++ b/arch/score/include/uapi/asm/setup.h
@@ -0,0 +1,9 @@
+#ifndef _UAPI_ASM_SCORE_SETUP_H
+#define _UAPI_ASM_SCORE_SETUP_H
+
+#define COMMAND_LINE_SIZE	256
+#define MEMORY_START		0
+#define MEMORY_SIZE		0x2000000
+
+
+#endif /* _UAPI_ASM_SCORE_SETUP_H */
diff --git a/arch/score/include/asm/shmbuf.h b/arch/score/include/uapi/asm/shmbuf.h
index c85b2429ba2..c85b2429ba2 100644
--- a/arch/score/include/asm/shmbuf.h
+++ b/arch/score/include/uapi/asm/shmbuf.h
diff --git a/arch/score/include/asm/sigcontext.h b/arch/score/include/uapi/asm/sigcontext.h
index 5ffda39ddb9..5ffda39ddb9 100644
--- a/arch/score/include/asm/sigcontext.h
+++ b/arch/score/include/uapi/asm/sigcontext.h
diff --git a/arch/score/include/asm/siginfo.h b/arch/score/include/uapi/asm/siginfo.h
index 87ca35607a2..87ca35607a2 100644
--- a/arch/score/include/asm/siginfo.h
+++ b/arch/score/include/uapi/asm/siginfo.h
diff --git a/arch/score/include/asm/signal.h b/arch/score/include/uapi/asm/signal.h
index 2605bc06b64..2605bc06b64 100644
--- a/arch/score/include/asm/signal.h
+++ b/arch/score/include/uapi/asm/signal.h
diff --git a/arch/score/include/asm/socket.h b/arch/score/include/uapi/asm/socket.h
index 612a70e385b..612a70e385b 100644
--- a/arch/score/include/asm/socket.h
+++ b/arch/score/include/uapi/asm/socket.h
diff --git a/arch/score/include/asm/sockios.h b/arch/score/include/uapi/asm/sockios.h
index ba825648018..ba825648018 100644
--- a/arch/score/include/asm/sockios.h
+++ b/arch/score/include/uapi/asm/sockios.h
diff --git a/arch/score/include/asm/stat.h b/arch/score/include/uapi/asm/stat.h
index 5037055500a..5037055500a 100644
--- a/arch/score/include/asm/stat.h
+++ b/arch/score/include/uapi/asm/stat.h
diff --git a/arch/score/include/asm/statfs.h b/arch/score/include/uapi/asm/statfs.h
index 36e41004e99..36e41004e99 100644
--- a/arch/score/include/asm/statfs.h
+++ b/arch/score/include/uapi/asm/statfs.h
diff --git a/arch/score/include/asm/swab.h b/arch/score/include/uapi/asm/swab.h
index fadc3cc6d8a..fadc3cc6d8a 100644
--- a/arch/score/include/asm/swab.h
+++ b/arch/score/include/uapi/asm/swab.h
diff --git a/arch/score/include/asm/termbits.h b/arch/score/include/uapi/asm/termbits.h
index 9a95c141243..9a95c141243 100644
--- a/arch/score/include/asm/termbits.h
+++ b/arch/score/include/uapi/asm/termbits.h
diff --git a/arch/score/include/asm/termios.h b/arch/score/include/uapi/asm/termios.h
index 40984e811ad..40984e811ad 100644
--- a/arch/score/include/asm/termios.h
+++ b/arch/score/include/uapi/asm/termios.h
diff --git a/arch/score/include/asm/types.h b/arch/score/include/uapi/asm/types.h
index 2140032778e..2140032778e 100644
--- a/arch/score/include/asm/types.h
+++ b/arch/score/include/uapi/asm/types.h
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/uapi/asm/unistd.h
index 4aa957364d4..9cb4260a5f3 100644
--- a/arch/score/include/asm/unistd.h
+++ b/arch/score/include/uapi/asm/unistd.h
@@ -1,13 +1,11 @@
-#if !defined(_ASM_SCORE_UNISTD_H) || defined(__SYSCALL)
-#define _ASM_SCORE_UNISTD_H
-
 #define __ARCH_HAVE_MMU
 
 #define __ARCH_WANT_SYSCALL_NO_AT
 #define __ARCH_WANT_SYSCALL_NO_FLAGS
 #define __ARCH_WANT_SYSCALL_OFF_T
 #define __ARCH_WANT_SYSCALL_DEPRECATED
+#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_FORK
+#define __ARCH_WANT_SYS_VFORK
 
 #include <asm-generic/unistd.h>
-
-#endif /* _ASM_SCORE_UNISTD_H */