Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

12 files changed, 0 insertions, 1358 deletions

diff --git a/ANDROID_3.4.5/arch/hexagon/mm/Makefile b/ANDROID_3.4.5/arch/hexagon/mm/Makefile
deleted file mode 100644
index 1a0be4d5..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for Hexagon memory management subsystem
-#
-
-obj-y := init.o pgalloc.o ioremap.o uaccess.o vm_fault.o cache.o
-obj-y += copy_to_user.o copy_from_user.o strnlen_user.o vm_tlb.o
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/cache.c b/ANDROID_3.4.5/arch/hexagon/mm/cache.c
deleted file mode 100644
index c5cf6ee2..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/cache.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Cache management functions for Hexagon
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/mm.h>
-#include <asm/cacheflush.h>
-#include <asm/hexagon_vm.h>
-
-#define spanlines(start, end) \
-	(((end - (start & ~(LINESIZE - 1))) >> LINEBITS) + 1)
-
-void flush_dcache_range(unsigned long start, unsigned long end)
-{
-	unsigned long lines = spanlines(start, end-1);
-	unsigned long i, flags;
-
-	start &= ~(LINESIZE - 1);
-
-	local_irq_save(flags);
-
-	for (i = 0; i < lines; i++) {
-		__asm__ __volatile__ (
-		"	dccleaninva(%0);	"
-		:
-		: "r" (start)
-		);
-		start += LINESIZE;
-	}
-	local_irq_restore(flags);
-}
-
-void flush_icache_range(unsigned long start, unsigned long end)
-{
-	unsigned long lines = spanlines(start, end-1);
-	unsigned long i, flags;
-
-	start &= ~(LINESIZE - 1);
-
-	local_irq_save(flags);
-
-	for (i = 0; i < lines; i++) {
-		__asm__ __volatile__ (
-			"	dccleana(%0); "
-			"	icinva(%0);	"
-			:
-			: "r" (start)
-		);
-		start += LINESIZE;
-	}
-	__asm__ __volatile__ (
-		"isync"
-	);
-	local_irq_restore(flags);
-}
-
-void hexagon_clean_dcache_range(unsigned long start, unsigned long end)
-{
-	unsigned long lines = spanlines(start, end-1);
-	unsigned long i, flags;
-
-	start &= ~(LINESIZE - 1);
-
-	local_irq_save(flags);
-
-	for (i = 0; i < lines; i++) {
-		__asm__ __volatile__ (
-		"	dccleana(%0);	"
-		:
-		: "r" (start)
-		);
-		start += LINESIZE;
-	}
-	local_irq_restore(flags);
-}
-
-void hexagon_inv_dcache_range(unsigned long start, unsigned long end)
-{
-	unsigned long lines = spanlines(start, end-1);
-	unsigned long i, flags;
-
-	start &= ~(LINESIZE - 1);
-
-	local_irq_save(flags);
-
-	for (i = 0; i < lines; i++) {
-		__asm__ __volatile__ (
-		"	dcinva(%0);	"
-		:
-		: "r" (start)
-		);
-		start += LINESIZE;
-	}
-	local_irq_restore(flags);
-}
-
-
-
-
-/*
- * This is just really brutal and shouldn't be used anyways,
- * especially on V2.  Left here just in case.
- */
-void flush_cache_all_hexagon(void)
-{
-	unsigned long flags;
-	local_irq_save(flags);
-	__vmcache_ickill();
-	__vmcache_dckill();
-	__vmcache_l2kill();
-	local_irq_restore(flags);
-	mb();
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/copy_from_user.S b/ANDROID_3.4.5/arch/hexagon/mm/copy_from_user.S
deleted file mode 100644
index 8eb1d4d6..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/copy_from_user.S
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * User memory copy functions for kernel
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/*
- * The right way to do this involves valignb
- * The easy way to do this is only speed up src/dest similar alignment.
- */
-
-/*
- * Copy to/from user are the same, except that for packets with a load and
- * a store, I don't know how to tell which kind of exception we got.
- * Therefore, we duplicate the function, and handle faulting addresses
- * differently for each function
- */
-
-/*
- * copy from user: loads can fault
- */
-#define src_sav r13
-#define dst_sav r12
-#define src_dst_sav r13:12
-#define d_dbuf r15:14
-#define w_dbuf r15
-
-#define dst r0
-#define src r1
-#define bytes r2
-#define loopcount r5
-
-#define FUNCNAME __copy_from_user_hexagon
-#include "copy_user_template.S"
-
-	/* LOAD FAULTS from COPY_FROM_USER */
-
-	/* Alignment loop.  r2 has been updated. Return it. */
-	.falign
-1009:
-2009:
-4009:
-	{
-		r0 = r2
-		jumpr r31
-	}
-	/* Normal copy loops. Do epilog. Use src-src_sav to compute distance */
-	/* X - (A - B) == X + B - A */
-	.falign
-8089:
-	{
-		memd(dst) = d_dbuf
-		r2 += sub(src_sav,src)
-	}
-	{
-		r0 = r2
-		jumpr r31
-	}
-	.falign
-4089:
-	{
-		memw(dst) = w_dbuf
-		r2 += sub(src_sav,src)
-	}
-	{
-		r0 = r2
-		jumpr r31
-	}
-	.falign
-2089:
-	{
-		memh(dst) = w_dbuf
-		r2 += sub(src_sav,src)
-	}
-	{
-		r0 = r2
-		jumpr r31
-	}
-	.falign
-1089:
-	{
-		memb(dst) = w_dbuf
-		r2 += sub(src_sav,src)
-	}
-	{
-		r0 = r2
-		jumpr r31
-	}
-
-	/* COPY FROM USER: only loads can fail */
-
-	.section __ex_table,"a"
-	.long 1000b,1009b
-	.long 2000b,2009b
-	.long 4000b,4009b
-	.long 8080b,8089b
-	.long 4080b,4089b
-	.long 2080b,2089b
-	.long 1080b,1089b
-	.previous
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S b/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S
deleted file mode 100644
index cb9740ed..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * User memory copying routines for the Hexagon Kernel
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/* The right way to do this involves valignb
- * The easy way to do this is only speed up src/dest similar alignment.
- */
-
-/*
- * Copy to/from user are the same, except that for packets with a load and
- * a store, I don't know how to tell which kind of exception we got.
- * Therefore, we duplicate the function, and handle faulting addresses
- * differently for each function
- */
-
-/*
- * copy to user: stores can fault
- */
-#define src_sav r13
-#define dst_sav r12
-#define src_dst_sav r13:12
-#define d_dbuf r15:14
-#define w_dbuf r15
-
-#define dst r0
-#define src r1
-#define bytes r2
-#define loopcount r5
-
-#define FUNCNAME __copy_to_user_hexagon
-#include "copy_user_template.S"
-
-	/* STORE FAULTS from COPY_TO_USER */
-	.falign
-1109:
-2109:
-4109:
-	/* Alignment loop.  r2 has been updated.  Return it. */
-	{
-		r0 = r2
-		jumpr r31
-	}
-	/* Normal copy loops.  Use dst-dst_sav to compute distance */
-	/* dst holds best write, no need to unwind any loops */
-	/* X - (A - B) == X + B - A */
-	.falign
-8189:
-8199:
-4189:
-4199:
-2189:
-2199:
-1189:
-1199:
-	{
-		r2 += sub(dst_sav,dst)
-	}
-	{
-		r0 = r2
-		jumpr r31
-	}
-
-	/* COPY TO USER: only stores can fail */
-	.section __ex_table,"a"
-	.long 1100b,1109b
-	.long 2100b,2109b
-	.long 4100b,4109b
-	.long 8180b,8189b
-	.long 8190b,8199b
-	.long 4180b,4189b
-	.long 4190b,4199b
-	.long 2180b,2189b
-	.long 2190b,2199b
-	.long 1180b,1189b
-	.long 1190b,1199b
-	.previous
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/copy_user_template.S b/ANDROID_3.4.5/arch/hexagon/mm/copy_user_template.S
deleted file mode 100644
index 08d7d7b2..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/copy_user_template.S
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/* Numerology:
- * WXYZ
- * W: width in bytes
- * X: Load=0, Store=1
- * Y: Location 0=preamble,8=loop,9=epilog
- * Z: Location=0,handler=9
- */
-	.text
-	.global FUNCNAME
-	.type FUNCNAME, @function
-	.p2align 5
-FUNCNAME:
-	{
-		p0 = cmp.gtu(bytes,#0)
-		if (!p0.new) jump:nt .Ldone
-		r3 = or(dst,src)
-		r4 = xor(dst,src)
-	}
-	{
-		p1 = cmp.gtu(bytes,#15)
-		p0 = bitsclr(r3,#7)
-		if (!p0.new) jump:nt .Loop_not_aligned_8
-		src_dst_sav = combine(src,dst)
-	}
-
-	{
-		loopcount = lsr(bytes,#3)
-		if (!p1) jump .Lsmall
-	}
-	p3=sp1loop0(.Loop8,loopcount)
-.Loop8:
-8080:
-8180:
-	{
-		if (p3) memd(dst++#8) = d_dbuf
-		d_dbuf = memd(src++#8)
-	}:endloop0
-8190:
-	{
-		memd(dst++#8) = d_dbuf
-		bytes -= asl(loopcount,#3)
-		jump .Lsmall
-	}
-
-.Loop_not_aligned_8:
-	{
-		p0 = bitsclr(r4,#7)
-		if (p0.new) jump:nt .Lalign
-	}
-	{
-		p0 = bitsclr(r3,#3)
-		if (!p0.new) jump:nt .Loop_not_aligned_4
-		p1 = cmp.gtu(bytes,#7)
-	}
-
-	{
-		if (!p1) jump .Lsmall
-		loopcount = lsr(bytes,#2)
-	}
-	p3=sp1loop0(.Loop4,loopcount)
-.Loop4:
-4080:
-4180:
-	{
-		if (p3) memw(dst++#4) = w_dbuf
-		w_dbuf = memw(src++#4)
-	}:endloop0
-4190:
-	{
-		memw(dst++#4) = w_dbuf
-		bytes -= asl(loopcount,#2)
-		jump .Lsmall
-	}
-
-.Loop_not_aligned_4:
-	{
-		p0 = bitsclr(r3,#1)
-		if (!p0.new) jump:nt .Loop_not_aligned
-		p1 = cmp.gtu(bytes,#3)
-	}
-
-	{
-		if (!p1) jump .Lsmall
-		loopcount = lsr(bytes,#1)
-	}
-	p3=sp1loop0(.Loop2,loopcount)
-.Loop2:
-2080:
-2180:
-	{
-		if (p3) memh(dst++#2) = w_dbuf
-		w_dbuf = memuh(src++#2)
-	}:endloop0
-2190:
-	{
-		memh(dst++#2) = w_dbuf
-		bytes -= asl(loopcount,#1)
-		jump .Lsmall
-	}
-
-.Loop_not_aligned: /* Works for as small as one byte */
-	p3=sp1loop0(.Loop1,bytes)
-.Loop1:
-1080:
-1180:
-	{
-		if (p3) memb(dst++#1) = w_dbuf
-		w_dbuf = memub(src++#1)
-	}:endloop0
-	/* Done */
-1190:
-	{
-		memb(dst) = w_dbuf
-		jumpr r31
-		r0 = #0
-	}
-
-.Lsmall:
-	{
-		p0 = cmp.gtu(bytes,#0)
-		if (p0.new) jump:nt .Loop_not_aligned
-	}
-.Ldone:
-	{
-		r0 = #0
-		jumpr r31
-	}
-	.falign
-.Lalign:
-1000:
-	{
-		if (p0.new) w_dbuf = memub(src)
-		p0 = tstbit(src,#0)
-		if (!p1) jump .Lsmall
-	}
-1100:
-	{
-		if (p0) memb(dst++#1) = w_dbuf
-		if (p0) bytes = add(bytes,#-1)
-		if (p0) src = add(src,#1)
-	}
-2000:
-	{
-		if (p0.new) w_dbuf = memuh(src)
-		p0 = tstbit(src,#1)
-		if (!p1) jump .Lsmall
-	}
-2100:
-	{
-		if (p0) memh(dst++#2) = w_dbuf
-		if (p0) bytes = add(bytes,#-2)
-		if (p0) src = add(src,#2)
-	}
-4000:
-	{
-		if (p0.new) w_dbuf = memw(src)
-		p0 = tstbit(src,#2)
-		if (!p1) jump .Lsmall
-	}
-4100:
-	{
-		if (p0) memw(dst++#4) = w_dbuf
-		if (p0) bytes = add(bytes,#-4)
-		if (p0) src = add(src,#4)
-		jump FUNCNAME
-	}
-	.size FUNCNAME,.-FUNCNAME
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/init.c b/ANDROID_3.4.5/arch/hexagon/mm/init.c
deleted file mode 100644
index b57d7417..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/init.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * Memory subsystem initialization for Hexagon
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <asm/atomic.h>
-#include <linux/highmem.h>
-#include <asm/tlb.h>
-#include <asm/sections.h>
-#include <asm/vm_mmu.h>
-
-/*
- * Define a startpg just past the end of the kernel image and a lastpg
- * that corresponds to the end of real or simulated platform memory.
- */
-#define bootmem_startpg (PFN_UP(((unsigned long) _end) - PAGE_OFFSET))
-
-unsigned long bootmem_lastpg;  /*  Should be set by platform code  */
-
-/*  Set as variable to limit PMD copies  */
-int max_kernel_seg = 0x303;
-
-/*  think this should be (page_size-1) the way it's used...*/
-unsigned long zero_page_mask;
-
-/*  indicate pfn's of high memory  */
-unsigned long highstart_pfn, highend_pfn;
-
-/* struct mmu_gather defined in asm-generic.h;  */
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
-/* Default cache attribute for newly created page tables */
-unsigned long _dflt_cache_att = CACHEDEF;
-
-/*
- * The current "generation" of kernel map, which should not roll
- * over until Hell freezes over.  Actual bound in years needs to be
- * calculated to confirm.
- */
-DEFINE_SPINLOCK(kmap_gen_lock);
-
-/*  checkpatch says don't init this to 0.  */
-unsigned long long kmap_generation;
-
-/*
- * mem_init - initializes memory
- *
- * Frees up bootmem
- * Fixes up more stuff for HIGHMEM
- * Calculates and displays memory available/used
- */
-void __init mem_init(void)
-{
-	/*  No idea where this is actually declared.  Seems to evade LXR.  */
-	totalram_pages += free_all_bootmem();
-	num_physpages = bootmem_lastpg;	/*  seriously, what?  */
-
-	printk(KERN_INFO "totalram_pages = %ld\n", totalram_pages);
-
-	/*
-	 *  To-Do:  someone somewhere should wipe out the bootmem map
-	 *  after we're done?
-	 */
-
-	/*
-	 * This can be moved to some more virtual-memory-specific
-	 * initialization hook at some point.  Set the init_mm
-	 * descriptors "context" value to point to the initial
-	 * kernel segment table's physical address.
-	 */
-	init_mm.context.ptbase = __pa(init_mm.pgd);
-}
-
-/*
- * free_initmem - frees memory used by stuff declared with __init
- *
- * Todo:  free pages between __init_begin and __init_end; possibly
- * some devtree related stuff as well.
- */
-void __init_refok free_initmem(void)
-{
-}
-
-/*
- * free_initrd_mem - frees...  initrd memory.
- * @start - start of init memory
- * @end - end of init memory
- *
- * Apparently has to be passed the address of the initrd memory.
- *
- * Wrapped by #ifdef CONFIG_BLKDEV_INITRD
- */
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-}
-
-void sync_icache_dcache(pte_t pte)
-{
-	unsigned long addr;
-	struct page *page;
-
-	page = pte_page(pte);
-	addr = (unsigned long) page_address(page);
-
-	__vmcache_idsync(addr, PAGE_SIZE);
-}
-
-/*
- * In order to set up page allocator "nodes",
- * somebody has to call free_area_init() for UMA.
- *
- * In this mode, we only have one pg_data_t
- * structure: contig_mem_data.
- */
-void __init paging_init(void)
-{
-	unsigned long zones_sizes[MAX_NR_ZONES] = {0, };
-
-	/*
-	 *  This is not particularly well documented anywhere, but
-	 *  give ZONE_NORMAL all the memory, including the big holes
-	 *  left by the kernel+bootmem_map which are already left as reserved
-	 *  in the bootmem_map; free_area_init should see those bits and
-	 *  adjust accordingly.
-	 */
-
-	zones_sizes[ZONE_NORMAL] = max_low_pfn;
-
-	free_area_init(zones_sizes);  /*  sets up the zonelists and mem_map  */
-
-	/*
-	 * Start of high memory area.  Will probably need something more
-	 * fancy if we...  get more fancy.
-	 */
-	high_memory = (void *)((bootmem_lastpg + 1) << PAGE_SHIFT);
-}
-
-#ifndef DMA_RESERVE
-#define DMA_RESERVE		(4)
-#endif
-
-#define DMA_CHUNKSIZE		(1<<22)
-#define DMA_RESERVED_BYTES	(DMA_RESERVE * DMA_CHUNKSIZE)
-
-/*
- * Pick out the memory size.  We look for mem=size,
- * where size is "size[KkMm]"
- */
-static int __init early_mem(char *p)
-{
-	unsigned long size;
-	char *endp;
-
-	size = memparse(p, &endp);
-
-	bootmem_lastpg = PFN_DOWN(size);
-
-	return 0;
-}
-early_param("mem", early_mem);
-
-size_t hexagon_coherent_pool_size = (size_t) (DMA_RESERVE << 22);
-
-void __init setup_arch_memory(void)
-{
-	int bootmap_size;
-	/*  XXX Todo: this probably should be cleaned up  */
-	u32 *segtable = (u32 *) &swapper_pg_dir[0];
-	u32 *segtable_end;
-
-	/*
-	 * Set up boot memory allocator
-	 *
-	 * The Gorman book also talks about these functions.
-	 * This needs to change for highmem setups.
-	 */
-
-	/* Memory size needs to be a multiple of 16M */
-	bootmem_lastpg = PFN_DOWN((bootmem_lastpg << PAGE_SHIFT) &
-		~((BIG_KERNEL_PAGE_SIZE) - 1));
-
-	/*
-	 * Reserve the top DMA_RESERVE bytes of RAM for DMA (uncached)
-	 * memory allocation
-	 */
-	bootmap_size = init_bootmem(bootmem_startpg, bootmem_lastpg -
-				    PFN_DOWN(DMA_RESERVED_BYTES));
-
-	printk(KERN_INFO "bootmem_startpg:  0x%08lx\n", bootmem_startpg);
-	printk(KERN_INFO "bootmem_lastpg:  0x%08lx\n", bootmem_lastpg);
-	printk(KERN_INFO "bootmap_size:  %d\n", bootmap_size);
-	printk(KERN_INFO "max_low_pfn:  0x%08lx\n", max_low_pfn);
-
-	/*
-	 * The default VM page tables (will be) populated with
-	 * VA=PA+PAGE_OFFSET mapping.  We go in and invalidate entries
-	 * higher than what we have memory for.
-	 */
-
-	/*  this is pointer arithmetic; each entry covers 4MB  */
-	segtable = segtable + (PAGE_OFFSET >> 22);
-
-	/*  this actually only goes to the end of the first gig  */
-	segtable_end = segtable + (1<<(30-22));
-
-	/*  Move forward to the start of empty pages  */
-	segtable += bootmem_lastpg >> (22-PAGE_SHIFT);
-
-	{
-	    int i;
-
-	    for (i = 1 ; i <= DMA_RESERVE ; i++)
-		segtable[-i] = ((segtable[-i] & __HVM_PTE_PGMASK_4MB)
-				| __HVM_PTE_R | __HVM_PTE_W | __HVM_PTE_X
-				| __HEXAGON_C_UNC << 6
-				| __HVM_PDE_S_4MB);
-	}
-
-	printk(KERN_INFO "clearing segtable from %p to %p\n", segtable,
-		segtable_end);
-	while (segtable < (segtable_end-8))
-		*(segtable++) = __HVM_PDE_S_INVALID;
-	/* stop the pointer at the device I/O 4MB page  */
-
-	printk(KERN_INFO "segtable = %p (should be equal to _K_io_map)\n",
-		segtable);
-
-#if 0
-	/*  Other half of the early device table from vm_init_segtable. */
-	printk(KERN_INFO "&_K_init_devicetable = 0x%08x\n",
-		(unsigned long) _K_init_devicetable-PAGE_OFFSET);
-	*segtable = ((u32) (unsigned long) _K_init_devicetable-PAGE_OFFSET) |
-		__HVM_PDE_S_4KB;
-	printk(KERN_INFO "*segtable = 0x%08x\n", *segtable);
-#endif
-
-	/*
-	 * Free all the memory that wasn't taken up by the bootmap, the DMA
-	 * reserve, or kernel itself.
-	 */
-	free_bootmem(PFN_PHYS(bootmem_startpg)+bootmap_size,
-		     PFN_PHYS(bootmem_lastpg - bootmem_startpg) - bootmap_size -
-		     DMA_RESERVED_BYTES);
-
-	/*
-	 *  The bootmem allocator seemingly just lives to feed memory
-	 *  to the paging system
-	 */
-	printk(KERN_INFO "PAGE_SIZE=%lu\n", PAGE_SIZE);
-	paging_init();  /*  See Gorman Book, 2.3  */
-
-	/*
-	 *  At this point, the page allocator is kind of initialized, but
-	 *  apparently no pages are available (just like with the bootmem
-	 *  allocator), and need to be freed themselves via mem_init(),
-	 *  which is called by start_kernel() later on in the process
-	 */
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/ioremap.c b/ANDROID_3.4.5/arch/hexagon/mm/ioremap.c
deleted file mode 100644
index 3a37bc3b..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/ioremap.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * I/O remap functions for Hexagon
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/io.h>
-#include <linux/vmalloc.h>
-
-void __iomem *ioremap_nocache(unsigned long phys_addr, unsigned long size)
-{
-	unsigned long last_addr, addr;
-	unsigned long offset = phys_addr & ~PAGE_MASK;
-	struct vm_struct *area;
-
-	pgprot_t prot = __pgprot(_PAGE_PRESENT|_PAGE_READ|_PAGE_WRITE
-					|(__HEXAGON_C_DEV << 6));
-
-	last_addr = phys_addr + size - 1;
-
-	/*  Wrapping not allowed  */
-	if (!size || (last_addr < phys_addr))
-		return NULL;
-
-	/*  Rounds up to next page size, including whole-page offset */
-	size = PAGE_ALIGN(offset + size);
-
-	area = get_vm_area(size, VM_IOREMAP);
-	addr = (unsigned long)area->addr;
-
-	if (ioremap_page_range(addr, addr+size, phys_addr, prot)) {
-		vunmap((void *)addr);
-		return NULL;
-	}
-
-	return (void __iomem *) (offset + addr);
-}
-
-void __iounmap(const volatile void __iomem *addr)
-{
-	vunmap((void *) ((unsigned long) addr & PAGE_MASK));
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/pgalloc.c b/ANDROID_3.4.5/arch/hexagon/mm/pgalloc.c
deleted file mode 100644
index b175e2d4..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/pgalloc.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/init.h>
-
-void __init pgtable_cache_init(void)
-{
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/strnlen_user.S b/ANDROID_3.4.5/arch/hexagon/mm/strnlen_user.S
deleted file mode 100644
index 5c6a16c7..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/strnlen_user.S
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * User string length functions for kernel
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#define isrc	r0
-#define max	r1	/*  Do not change!  */
-
-#define end	r2
-#define tmp1	r3
-
-#define obo	r6	/*  off-by-one  */
-#define start	r7
-#define mod8	r8
-#define dbuf    r15:14
-#define dcmp	r13:12
-
-/*
- * The vector mask version of this turned out *really* badly.
- * The hardware loop version also turned out *really* badly.
- * Seems straight pointer arithmetic basically wins here.
- */
-
-#define fname __strnlen_user
-
-	.text
-	.global fname
-	.type fname, @function
-	.p2align 5  /*  why?  */
-fname:
-	{
-		mod8 = and(isrc,#7);
-		end = add(isrc,max);
-		start = isrc;
-	}
-	{
-		P0 = cmp.eq(mod8,#0);
-		mod8 = and(end,#7);
-		dcmp = #0;
-		if (P0.new) jump:t dw_loop;	/*  fire up the oven  */
-	}
-
-alignment_loop:
-fail_1:	{
-		tmp1 = memb(start++#1);
-	}
-	{
-		P0 = cmp.eq(tmp1,#0);
-		if (P0.new) jump:nt exit_found;
-		P1 = cmp.gtu(end,start);
-		mod8 = and(start,#7);
-	}
-	{
-		if (!P1) jump exit_error;  /*  hit the end  */
-		P0 = cmp.eq(mod8,#0);
-	}
-	{
-		if (!P0) jump alignment_loop;
-	}
-
-
-
-dw_loop:
-fail_2:	{
-		dbuf = memd(start);
-		obo = add(start,#1);
-	}
-	{
-		P0 = vcmpb.eq(dbuf,dcmp);
-	}
-	{
-		tmp1 = P0;
-		P0 = cmp.gtu(end,start);
-	}
-	{
-		tmp1 = ct0(tmp1);
-		mod8 = and(end,#7);
-		if (!P0) jump end_check;
-	}
-	{
-		P0 = cmp.eq(tmp1,#32);
-		if (!P0.new) jump:nt exit_found;
-		if (!P0.new) start = add(obo,tmp1);
-	}
-	{
-		start = add(start,#8);
-		jump dw_loop;
-	}	/*  might be nice to combine these jumps...   */
-
-
-end_check:
-	{
-		P0 = cmp.gt(tmp1,mod8);
-		if (P0.new) jump:nt exit_error;	/*  neverfound!  */
-		start = add(obo,tmp1);
-	}
-
-exit_found:
-	{
-		R0 = sub(start,isrc);
-		jumpr R31;
-	}
-
-exit_error:
-	{
-		R0 = add(max,#1);
-		jumpr R31;
-	}
-
-	/*  Uh, what does the "fixup" return here?  */
-	.falign
-fix_1:
-	{
-		R0 = #0;
-		jumpr R31;
-	}
-
-	.size fname,.-fname
-
-
-.section __ex_table,"a"
-.long fail_1,fix_1
-.long fail_2,fix_1
-.previous
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/uaccess.c b/ANDROID_3.4.5/arch/hexagon/mm/uaccess.c
deleted file mode 100644
index e748108b..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/uaccess.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/*
- * Support for user memory access from kernel.  This will
- * probably be inlined for performance at some point, but
- * for ease of debug, and to a lesser degree for code size,
- * we implement here as subroutines.
- */
-#include <linux/types.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-
-/*
- * For clear_user(), exploit previously defined copy_to_user function
- * and the fact that we've got a handy zero page defined in kernel/head.S
- *
- * dczero here would be even faster.
- */
-__kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count)
-{
-	long uncleared;
-
-	while (count > PAGE_SIZE) {
-		uncleared = __copy_to_user_hexagon(dest, &empty_zero_page,
-						PAGE_SIZE);
-		if (uncleared)
-			return count - (PAGE_SIZE - uncleared);
-		count -= PAGE_SIZE;
-		dest += PAGE_SIZE;
-	}
-	if (count)
-		count = __copy_to_user_hexagon(dest, &empty_zero_page, count);
-
-	return count;
-}
-
-unsigned long clear_user_hexagon(void __user *dest, unsigned long count)
-{
-	if (!access_ok(VERIFY_WRITE, dest, count))
-		return count;
-	else
-		return __clear_user_hexagon(dest, count);
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/vm_fault.c b/ANDROID_3.4.5/arch/hexagon/mm/vm_fault.c
deleted file mode 100644
index c10b76ff..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/vm_fault.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Memory fault handling for Hexagon
- *
- * Copyright (c) 2010-2011 Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/*
- * Page fault handling for the Hexagon Virtual Machine.
- * Can also be called by a native port emulating the HVM
- * execptions.
- */
-
-#include <asm/pgtable.h>
-#include <asm/traps.h>
-#include <asm/uaccess.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <linux/module.h>
-#include <linux/hardirq.h>
-
-/*
- * Decode of hardware exception sends us to one of several
- * entry points.  At each, we generate canonical arguments
- * for handling by the abstract memory management code.
- */
-#define FLT_IFETCH     -1
-#define FLT_LOAD        0
-#define FLT_STORE       1
-
-
-/*
- * Canonical page fault handler
- */
-void do_page_fault(unsigned long address, long cause, struct pt_regs *regs)
-{
-	struct vm_area_struct *vma;
-	struct mm_struct *mm = current->mm;
-	siginfo_t info;
-	int si_code = SEGV_MAPERR;
-	int fault;
-	const struct exception_table_entry *fixup;
-
-	/*
-	 * If we're in an interrupt or have no user context,
-	 * then must not take the fault.
-	 */
-	if (unlikely(in_interrupt() || !mm))
-		goto no_context;
-
-	local_irq_enable();
-
-	down_read(&mm->mmap_sem);
-	vma = find_vma(mm, address);
-	if (!vma)
-		goto bad_area;
-
-	if (vma->vm_start <= address)
-		goto good_area;
-
-	if (!(vma->vm_flags & VM_GROWSDOWN))
-		goto bad_area;
-
-	if (expand_stack(vma, address))
-		goto bad_area;
-
-good_area:
-	/* Address space is OK.  Now check access rights. */
-	si_code = SEGV_ACCERR;
-
-	switch (cause) {
-	case FLT_IFETCH:
-		if (!(vma->vm_flags & VM_EXEC))
-			goto bad_area;
-		break;
-	case FLT_LOAD:
-		if (!(vma->vm_flags & VM_READ))
-			goto bad_area;
-		break;
-	case FLT_STORE:
-		if (!(vma->vm_flags & VM_WRITE))
-			goto bad_area;
-		break;
-	}
-
-	fault = handle_mm_fault(mm, vma, address, (cause > 0));
-
-	/* The most common case -- we are done. */
-	if (likely(!(fault & VM_FAULT_ERROR))) {
-		if (fault & VM_FAULT_MAJOR)
-			current->maj_flt++;
-		else
-			current->min_flt++;
-
-		up_read(&mm->mmap_sem);
-		return;
-	}
-
-	up_read(&mm->mmap_sem);
-
-	/* Handle copyin/out exception cases */
-	if (!user_mode(regs))
-		goto no_context;
-
-	if (fault & VM_FAULT_OOM) {
-		pagefault_out_of_memory();
-		return;
-	}
-
-	/* User-mode address is in the memory map, but we are
-	 * unable to fix up the page fault.
-	 */
-	if (fault & VM_FAULT_SIGBUS) {
-		info.si_signo = SIGBUS;
-		info.si_code = BUS_ADRERR;
-	}
-	/* Address is not in the memory map */
-	else {
-		info.si_signo = SIGSEGV;
-		info.si_code = SEGV_ACCERR;
-	}
-	info.si_errno = 0;
-	info.si_addr = (void __user *)address;
-	force_sig_info(info.si_code, &info, current);
-	return;
-
-bad_area:
-	up_read(&mm->mmap_sem);
-
-	if (user_mode(regs)) {
-		info.si_signo = SIGSEGV;
-		info.si_errno = 0;
-		info.si_code = si_code;
-		info.si_addr = (void *)address;
-		force_sig_info(SIGSEGV, &info, current);
-		return;
-	}
-	/* Kernel-mode fault falls through */
-
-no_context:
-	fixup = search_exception_tables(pt_elr(regs));
-	if (fixup) {
-		pt_set_elr(regs, fixup->fixup);
-		return;
-	}
-
-	/* Things are looking very, very bad now */
-	bust_spinlocks(1);
-	printk(KERN_EMERG "Unable to handle kernel paging request at "
-		"virtual address 0x%08lx, regs %p\n", address, regs);
-	die("Bad Kernel VA", regs, SIGKILL);
-}
-
-
-void read_protection_fault(struct pt_regs *regs)
-{
-	unsigned long badvadr = pt_badva(regs);
-
-	do_page_fault(badvadr, FLT_LOAD, regs);
-}
-
-void write_protection_fault(struct pt_regs *regs)
-{
-	unsigned long badvadr = pt_badva(regs);
-
-	do_page_fault(badvadr, FLT_STORE, regs);
-}
-
-void execute_protection_fault(struct pt_regs *regs)
-{
-	unsigned long badvadr = pt_badva(regs);
-
-	do_page_fault(badvadr, FLT_IFETCH, regs);
-}
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/vm_tlb.c b/ANDROID_3.4.5/arch/hexagon/mm/vm_tlb.c
deleted file mode 100644
index c6ff4157..00000000
--- a/ANDROID_3.4.5/arch/hexagon/mm/vm_tlb.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Hexagon Virtual Machine TLB functions
- *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-/*
- * The Hexagon Virtual Machine conceals the real workings of
- * the TLB, but there are one or two functions that need to
- * be instantiated for it, differently from a native build.
- */
-#include <linux/mm.h>
-#include <asm/page.h>
-#include <asm/hexagon_vm.h>
-
-/*
- * Initial VM implementation has only one map active at a time, with
- * TLB purgings on changes.  So either we're nuking the current map,
- * or it's a no-op.  This operation is messy on true SMPs where other
- * processors must be induced to flush the copies in their local TLBs,
- * but Hexagon thread-based virtual processors share the same MMU.
- */
-void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
-			unsigned long end)
-{
-	struct mm_struct *mm = vma->vm_mm;
-
-	if (mm->context.ptbase == current->active_mm->context.ptbase)
-		__vmclrmap((void *)start, end - start);
-}
-
-/*
- * Flush a page from the kernel virtual map - used by highmem
- */
-void flush_tlb_one(unsigned long vaddr)
-{
-	__vmclrmap((void *)vaddr, PAGE_SIZE);
-}
-
-/*
- * Flush all TLBs across all CPUs, virtual or real.
- * A single Hexagon core has 6 thread contexts but
- * only one TLB.
- */
-void tlb_flush_all(void)
-{
-	/*  should probably use that fixaddr end or whateve label  */
-	__vmclrmap(0, 0xffff0000);
-}
-
-/*
- * Flush TLB entries associated with a given mm_struct mapping.
- */
-void flush_tlb_mm(struct mm_struct *mm)
-{
-	/* Current Virtual Machine has only one map active at a time */
-	if (current->active_mm->context.ptbase == mm->context.ptbase)
-		tlb_flush_all();
-}
-
-/*
- * Flush TLB state associated with a page of a vma.
- */
-void flush_tlb_page(struct vm_area_struct *vma, unsigned long vaddr)
-{
-	struct mm_struct *mm = vma->vm_mm;
-
-	if (mm->context.ptbase  == current->active_mm->context.ptbase)
-		__vmclrmap((void *)vaddr, PAGE_SIZE);
-}
-
-/*
- * Flush TLB entries associated with a kernel address range.
- * Like flush range, but without the check on the vma->vm_mm.
- */
-void flush_tlb_kernel_range(unsigned long start, unsigned long end)
-{
-		__vmclrmap((void *)start, end - start);
-}