Moved, renamed, and deleted files

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

1 files changed, 0 insertions, 487 deletions

diff --git a/ANDROID_3.4.5/arch/mips/mm/init.c b/ANDROID_3.4.5/arch/mips/mm/init.c
deleted file mode 100644
index 1a85ba92..00000000
--- a/ANDROID_3.4.5/arch/mips/mm/init.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994 - 2000 Ralf Baechle
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- */
-#include <linux/bug.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/pagemap.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/swap.h>
-#include <linux/proc_fs.h>
-#include <linux/pfn.h>
-#include <linux/hardirq.h>
-#include <linux/gfp.h>
-
-#include <asm/asm-offsets.h>
-#include <asm/bootinfo.h>
-#include <asm/cachectl.h>
-#include <asm/cpu.h>
-#include <asm/dma.h>
-#include <asm/kmap_types.h>
-#include <asm/mmu_context.h>
-#include <asm/sections.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/tlb.h>
-#include <asm/fixmap.h>
-
-/* Atomicity and interruptability */
-#ifdef CONFIG_MIPS_MT_SMTC
-
-#include <asm/mipsmtregs.h>
-
-#define ENTER_CRITICAL(flags) \
-	{ \
-	unsigned int mvpflags; \
-	local_irq_save(flags);\
-	mvpflags = dvpe()
-#define EXIT_CRITICAL(flags) \
-	evpe(mvpflags); \
-	local_irq_restore(flags); \
-	}
-#else
-
-#define ENTER_CRITICAL(flags) local_irq_save(flags)
-#define EXIT_CRITICAL(flags) local_irq_restore(flags)
-
-#endif /* CONFIG_MIPS_MT_SMTC */
-
-/*
- * We have up to 8 empty zeroed pages so we can map one of the right colour
- * when needed.  This is necessary only on R4000 / R4400 SC and MC versions
- * where we have to avoid VCED / VECI exceptions for good performance at
- * any price.  Since page is never written to after the initialization we
- * don't have to care about aliases on other CPUs.
- */
-unsigned long empty_zero_page, zero_page_mask;
-EXPORT_SYMBOL_GPL(empty_zero_page);
-
-/*
- * Not static inline because used by IP27 special magic initialization code
- */
-unsigned long setup_zero_pages(void)
-{
-	unsigned int order;
-	unsigned long size;
-	struct page *page;
-
-	if (cpu_has_vce)
-		order = 3;
-	else
-		order = 0;
-
-	empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
-	if (!empty_zero_page)
-		panic("Oh boy, that early out of memory?");
-
-	page = virt_to_page((void *)empty_zero_page);
-	split_page(page, order);
-	while (page < virt_to_page((void *)(empty_zero_page + (PAGE_SIZE << order)))) {
-		SetPageReserved(page);
-		page++;
-	}
-
-	size = PAGE_SIZE << order;
-	zero_page_mask = (size - 1) & PAGE_MASK;
-
-	return 1UL << order;
-}
-
-#ifdef CONFIG_MIPS_MT_SMTC
-static pte_t *kmap_coherent_pte;
-static void __init kmap_coherent_init(void)
-{
-	unsigned long vaddr;
-
-	/* cache the first coherent kmap pte */
-	vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
-	kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
-}
-#else
-static inline void kmap_coherent_init(void) {}
-#endif
-
-void *kmap_coherent(struct page *page, unsigned long addr)
-{
-	enum fixed_addresses idx;
-	unsigned long vaddr, flags, entrylo;
-	unsigned long old_ctx;
-	pte_t pte;
-	int tlbidx;
-
-	BUG_ON(Page_dcache_dirty(page));
-
-	inc_preempt_count();
-	idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1);
-#ifdef CONFIG_MIPS_MT_SMTC
-	idx += FIX_N_COLOURS * smp_processor_id() +
-		(in_interrupt() ? (FIX_N_COLOURS * NR_CPUS) : 0);
-#else
-	idx += in_interrupt() ? FIX_N_COLOURS : 0;
-#endif
-	vaddr = __fix_to_virt(FIX_CMAP_END - idx);
-	pte = mk_pte(page, PAGE_KERNEL);
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
-	entrylo = pte.pte_high;
-#else
-	entrylo = pte_to_entrylo(pte_val(pte));
-#endif
-
-	ENTER_CRITICAL(flags);
-	old_ctx = read_c0_entryhi();
-	write_c0_entryhi(vaddr & (PAGE_MASK << 1));
-	write_c0_entrylo0(entrylo);
-	write_c0_entrylo1(entrylo);
-#ifdef CONFIG_MIPS_MT_SMTC
-	set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte);
-	/* preload TLB instead of local_flush_tlb_one() */
-	mtc0_tlbw_hazard();
-	tlb_probe();
-	tlb_probe_hazard();
-	tlbidx = read_c0_index();
-	mtc0_tlbw_hazard();
-	if (tlbidx < 0)
-		tlb_write_random();
-	else
-		tlb_write_indexed();
-#else
-	tlbidx = read_c0_wired();
-	write_c0_wired(tlbidx + 1);
-	write_c0_index(tlbidx);
-	mtc0_tlbw_hazard();
-	tlb_write_indexed();
-#endif
-	tlbw_use_hazard();
-	write_c0_entryhi(old_ctx);
-	EXIT_CRITICAL(flags);
-
-	return (void*) vaddr;
-}
-
-#define UNIQUE_ENTRYHI(idx) (CKSEG0 + ((idx) << (PAGE_SHIFT + 1)))
-
-void kunmap_coherent(void)
-{
-#ifndef CONFIG_MIPS_MT_SMTC
-	unsigned int wired;
-	unsigned long flags, old_ctx;
-
-	ENTER_CRITICAL(flags);
-	old_ctx = read_c0_entryhi();
-	wired = read_c0_wired() - 1;
-	write_c0_wired(wired);
-	write_c0_index(wired);
-	write_c0_entryhi(UNIQUE_ENTRYHI(wired));
-	write_c0_entrylo0(0);
-	write_c0_entrylo1(0);
-	mtc0_tlbw_hazard();
-	tlb_write_indexed();
-	tlbw_use_hazard();
-	write_c0_entryhi(old_ctx);
-	EXIT_CRITICAL(flags);
-#endif
-	dec_preempt_count();
-	preempt_check_resched();
-}
-
-void copy_user_highpage(struct page *to, struct page *from,
-	unsigned long vaddr, struct vm_area_struct *vma)
-{
-	void *vfrom, *vto;
-
-	vto = kmap_atomic(to);
-	if (cpu_has_dc_aliases &&
-	    page_mapped(from) && !Page_dcache_dirty(from)) {
-		vfrom = kmap_coherent(from, vaddr);
-		copy_page(vto, vfrom);
-		kunmap_coherent();
-	} else {
-		vfrom = kmap_atomic(from);
-		copy_page(vto, vfrom);
-		kunmap_atomic(vfrom);
-	}
-	if ((!cpu_has_ic_fills_f_dc) ||
-	    pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
-		flush_data_cache_page((unsigned long)vto);
-	kunmap_atomic(vto);
-	/* Make sure this page is cleared on other CPU's too before using it */
-	smp_wmb();
-}
-
-void copy_to_user_page(struct vm_area_struct *vma,
-	struct page *page, unsigned long vaddr, void *dst, const void *src,
-	unsigned long len)
-{
-	if (cpu_has_dc_aliases &&
-	    page_mapped(page) && !Page_dcache_dirty(page)) {
-		void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-		memcpy(vto, src, len);
-		kunmap_coherent();
-	} else {
-		memcpy(dst, src, len);
-		if (cpu_has_dc_aliases)
-			SetPageDcacheDirty(page);
-	}
-	if ((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc)
-		flush_cache_page(vma, vaddr, page_to_pfn(page));
-}
-
-void copy_from_user_page(struct vm_area_struct *vma,
-	struct page *page, unsigned long vaddr, void *dst, const void *src,
-	unsigned long len)
-{
-	if (cpu_has_dc_aliases &&
-	    page_mapped(page) && !Page_dcache_dirty(page)) {
-		void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
-		memcpy(dst, vfrom, len);
-		kunmap_coherent();
-	} else {
-		memcpy(dst, src, len);
-		if (cpu_has_dc_aliases)
-			SetPageDcacheDirty(page);
-	}
-}
-
-void __init fixrange_init(unsigned long start, unsigned long end,
-	pgd_t *pgd_base)
-{
-#if defined(CONFIG_HIGHMEM) || defined(CONFIG_MIPS_MT_SMTC)
-	pgd_t *pgd;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *pte;
-	int i, j, k;
-	unsigned long vaddr;
-
-	vaddr = start;
-	i = __pgd_offset(vaddr);
-	j = __pud_offset(vaddr);
-	k = __pmd_offset(vaddr);
-	pgd = pgd_base + i;
-
-	for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) {
-		pud = (pud_t *)pgd;
-		for ( ; (j < PTRS_PER_PUD) && (vaddr < end); pud++, j++) {
-			pmd = (pmd_t *)pud;
-			for (; (k < PTRS_PER_PMD) && (vaddr < end); pmd++, k++) {
-				if (pmd_none(*pmd)) {
-					pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
-					set_pmd(pmd, __pmd((unsigned long)pte));
-					BUG_ON(pte != pte_offset_kernel(pmd, 0));
-				}
-				vaddr += PMD_SIZE;
-			}
-			k = 0;
-		}
-		j = 0;
-	}
-#endif
-}
-
-#ifndef CONFIG_NEED_MULTIPLE_NODES
-int page_is_ram(unsigned long pagenr)
-{
-	int i;
-
-	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		unsigned long addr, end;
-
-		switch (boot_mem_map.map[i].type) {
-		case BOOT_MEM_RAM:
-		case BOOT_MEM_INIT_RAM:
-			break;
-		default:
-			/* not usable memory */
-			continue;
-		}
-
-		addr = PFN_UP(boot_mem_map.map[i].addr);
-		end = PFN_DOWN(boot_mem_map.map[i].addr +
-			       boot_mem_map.map[i].size);
-
-		if (pagenr >= addr && pagenr < end)
-			return 1;
-	}
-
-	return 0;
-}
-
-void __init paging_init(void)
-{
-	unsigned long max_zone_pfns[MAX_NR_ZONES];
-	unsigned long lastpfn __maybe_unused;
-
-	pagetable_init();
-
-#ifdef CONFIG_HIGHMEM
-	kmap_init();
-#endif
-	kmap_coherent_init();
-
-#ifdef CONFIG_ZONE_DMA
-	max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
-#endif
-#ifdef CONFIG_ZONE_DMA32
-	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
-#endif
-	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-	lastpfn = max_low_pfn;
-#ifdef CONFIG_HIGHMEM
-	max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
-	lastpfn = highend_pfn;
-
-	if (cpu_has_dc_aliases && max_low_pfn != highend_pfn) {
-		printk(KERN_WARNING "This processor doesn't support highmem."
-		       " %ldk highmem ignored\n",
-		       (highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10));
-		max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn;
-		lastpfn = max_low_pfn;
-	}
-#endif
-
-	free_area_init_nodes(max_zone_pfns);
-}
-
-#ifdef CONFIG_64BIT
-static struct kcore_list kcore_kseg0;
-#endif
-
-void __init mem_init(void)
-{
-	unsigned long codesize, reservedpages, datasize, initsize;
-	unsigned long tmp, ram;
-
-#ifdef CONFIG_HIGHMEM
-#ifdef CONFIG_DISCONTIGMEM
-#error "CONFIG_HIGHMEM and CONFIG_DISCONTIGMEM dont work together yet"
-#endif
-	max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
-#else
-	max_mapnr = max_low_pfn;
-#endif
-	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
-
-	totalram_pages += free_all_bootmem();
-	totalram_pages -= setup_zero_pages();	/* Setup zeroed pages.  */
-
-	reservedpages = ram = 0;
-	for (tmp = 0; tmp < max_low_pfn; tmp++)
-		if (page_is_ram(tmp) && pfn_valid(tmp)) {
-			ram++;
-			if (PageReserved(pfn_to_page(tmp)))
-				reservedpages++;
-		}
-	num_physpages = ram;
-
-#ifdef CONFIG_HIGHMEM
-	for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {
-		struct page *page = pfn_to_page(tmp);
-
-		if (!page_is_ram(tmp)) {
-			SetPageReserved(page);
-			continue;
-		}
-		ClearPageReserved(page);
-		init_page_count(page);
-		__free_page(page);
-		totalhigh_pages++;
-	}
-	totalram_pages += totalhigh_pages;
-	num_physpages += totalhigh_pages;
-#endif
-
-	codesize =  (unsigned long) &_etext - (unsigned long) &_text;
-	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
-	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
-#ifdef CONFIG_64BIT
-	if ((unsigned long) &_text > (unsigned long) CKSEG0)
-		/* The -4 is a hack so that user tools don't have to handle
-		   the overflow.  */
-		kclist_add(&kcore_kseg0, (void *) CKSEG0,
-				0x80000000 - 4, KCORE_TEXT);
-#endif
-
-	printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
-	       "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
-	       nr_free_pages() << (PAGE_SHIFT-10),
-	       ram << (PAGE_SHIFT-10),
-	       codesize >> 10,
-	       reservedpages << (PAGE_SHIFT-10),
-	       datasize >> 10,
-	       initsize >> 10,
-	       totalhigh_pages << (PAGE_SHIFT-10));
-}
-#endif /* !CONFIG_NEED_MULTIPLE_NODES */
-
-void free_init_pages(const char *what, unsigned long begin, unsigned long end)
-{
-	unsigned long pfn;
-
-	for (pfn = PFN_UP(begin); pfn < PFN_DOWN(end); pfn++) {
-		struct page *page = pfn_to_page(pfn);
-		void *addr = phys_to_virt(PFN_PHYS(pfn));
-
-		ClearPageReserved(page);
-		init_page_count(page);
-		memset(addr, POISON_FREE_INITMEM, PAGE_SIZE);
-		__free_page(page);
-		totalram_pages++;
-	}
-	printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
-}
-
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	free_init_pages("initrd memory",
-			virt_to_phys((void *)start),
-			virt_to_phys((void *)end));
-}
-#endif
-
-void __init_refok free_initmem(void)
-{
-	prom_free_prom_memory();
-	free_init_pages("unused kernel memory",
-			__pa_symbol(&__init_begin),
-			__pa_symbol(&__init_end));
-}
-
-#ifndef CONFIG_MIPS_PGD_C0_CONTEXT
-unsigned long pgd_current[NR_CPUS];
-#endif
-/*
- * On 64-bit we've got three-level pagetables with a slightly
- * different layout ...
- */
-#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order)))
-
-/*
- * gcc 3.3 and older have trouble determining that PTRS_PER_PGD and PGD_ORDER
- * are constants.  So we use the variants from asm-offset.h until that gcc
- * will officially be retired.
- */
-pgd_t swapper_pg_dir[_PTRS_PER_PGD] __page_aligned(_PGD_ORDER);
-#ifndef __PAGETABLE_PMD_FOLDED
-pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER);
-#endif
-pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);