1 files changed, 0 insertions, 114 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/copypage-xsc3.c b/ANDROID_3.4.5/arch/arm/mm/copypage-xsc3.c
deleted file mode 100644
index 03a2042a..00000000
--- a/ANDROID_3.4.5/arch/arm/mm/copypage-xsc3.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- *  linux/arch/arm/mm/copypage-xsc3.S
- *
- *  Copyright (C) 2004 Intel Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Adapted for 3rd gen XScale core, no more mini-dcache
- * Author: Matt Gilbert (matthew.m.gilbert@intel.com)
- */
-#include <linux/init.h>
-#include <linux/highmem.h>
-
-/*
- * General note:
- *  We don't really want write-allocate cache behaviour for these functions
- *  since that will just eat through 8K of the cache.
- */
-
-/*
- * XSC3 optimised copy_user_highpage
- *  r0 = destination
- *  r1 = source
- *
- * The source page may have some clean entries in the cache already, but we
- * can safely ignore them - break_cow() will flush them out of the cache
- * if we eventually end up using our copied page.
- *
- */
-static void __naked
-xsc3_mc_copy_user_page(void *kto, const void *kfrom)
-{
-	asm("\
-	stmfd	sp!, {r4, r5, lr}		\n\
-	mov	lr, %2				\n\
-						\n\
-	pld	[r1, #0]			\n\
-	pld	[r1, #32]			\n\
-1:	pld	[r1, #64]			\n\
-	pld	[r1, #96]			\n\
-						\n\
-2:	ldrd	r2, [r1], #8			\n\
-	mov	ip, r0				\n\
-	ldrd	r4, [r1], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
-	strd	r2, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r4, [r1], #8			\n\
-	strd	r2, [r0], #8			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	mov	ip, r0				\n\
-	ldrd	r4, [r1], #8			\n\
-	mcr	p15, 0, ip, c7, c6, 1		@ invalidate\n\
-	strd	r2, [r0], #8			\n\
-	ldrd	r2, [r1], #8			\n\
-	subs	lr, lr, #1			\n\
-	strd	r4, [r0], #8			\n\
-	ldrd	r4, [r1], #8			\n\
-	strd	r2, [r0], #8			\n\
-	strd	r4, [r0], #8			\n\
-	bgt	1b				\n\
-	beq	2b				\n\
-						\n\
-	ldmfd	sp!, {r4, r5, pc}"
-	:
-	: "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64 - 1));
-}
-
-void xsc3_mc_copy_user_highpage(struct page *to, struct page *from,
-	unsigned long vaddr, struct vm_area_struct *vma)
-{
-	void *kto, *kfrom;
-
-	kto = kmap_atomic(to);
-	kfrom = kmap_atomic(from);
-	flush_cache_page(vma, vaddr, page_to_pfn(from));
-	xsc3_mc_copy_user_page(kto, kfrom);
-	kunmap_atomic(kfrom);
-	kunmap_atomic(kto);
-}
-
-/*
- * XScale optimised clear_user_page
- *  r0 = destination
- *  r1 = virtual user address of ultimate destination page
- */
-void xsc3_mc_clear_user_highpage(struct page *page, unsigned long vaddr)
-{
-	void *ptr, *kaddr = kmap_atomic(page);
-	asm volatile ("\
-	mov	r1, %2				\n\
-	mov	r2, #0				\n\
-	mov	r3, #0				\n\
-1:	mcr	p15, 0, %0, c7, c6, 1		@ invalidate line\n\
-	strd	r2, [%0], #8			\n\
-	strd	r2, [%0], #8			\n\
-	strd	r2, [%0], #8			\n\
-	strd	r2, [%0], #8			\n\
-	subs	r1, r1, #1			\n\
-	bne	1b"
-	: "=r" (ptr)
-	: "0" (kaddr), "I" (PAGE_SIZE / 32)
-	: "r1", "r2", "r3");
-	kunmap_atomic(kaddr);
-}
-
-struct cpu_user_fns xsc3_mc_user_fns __initdata = {
-	.cpu_clear_user_highpage = xsc3_mc_clear_user_highpage,
-	.cpu_copy_user_highpage	= xsc3_mc_copy_user_highpage,
-};