Contributors: 8
Author Tokens Token Proportion Commits Commit Proportion
Paul Mundt 133 44.33% 14 28.57%
Linus Torvalds (pre-git) 95 31.67% 26 53.06%
Andrew Morton 25 8.33% 1 2.04%
Yoshinori Sato 21 7.00% 1 2.04%
Linus Torvalds 15 5.00% 4 8.16%
Al Viro 6 2.00% 1 2.04%
Geert Uytterhoeven 3 1.00% 1 2.04%
Thomas Gleixner 2 0.67% 1 2.04%
Total 300 49 


// SPDX-License-Identifier: GPL-2.0-only
/*
 * arch/sh/mm/nommu.c
 *
 * Various helper routines and stubs for MMUless SH.
 *
 * Copyright (C) 2002 - 2009 Paul Mundt
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/mm.h>

#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
#include <linux/uaccess.h>

/*
 * Nothing too terribly exciting here ..
 */
void copy_page(void *to, void *from)
{
	memcpy(to, from, PAGE_SIZE);
}

__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
{
	memcpy(to, from, n);
	return 0;
}

__kernel_size_t __clear_user(void __user *to, __kernel_size_t n)
{
	memset((__force void *)to, 0, n);
	return 0;
}

void local_flush_tlb_all(void)
{
	BUG();
}

void local_flush_tlb_mm(struct mm_struct *mm)
{
	BUG();
}

void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
			    unsigned long end)
{
	BUG();
}

void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
	BUG();
}

void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
	BUG();
}

void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
	BUG();
}

void __flush_tlb_global(void)
{
}

void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
}

void __init kmap_coherent_init(void)
{
}

void *kmap_coherent(struct page *page, unsigned long addr)
{
	BUG();
	return NULL;
}

void kunmap_coherent(void *kvaddr)
{
	BUG();
}

void __init page_table_range_init(unsigned long start, unsigned long end,
				  pgd_t *pgd_base)
{
}

void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot)
{
}