/*
 * tfp.c: MMU and cache routines specific to the r8000 (TFP).
 *
 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
 *
 */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/mm.h>

#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/sgialib.h>

extern unsigned long mips_tlb_entries;

/* Cache operations. XXX Write these dave... */
static inline void tfp_flush_cache_all(void)
{
	/* XXX */
}

static void tfp_flush_cache_mm(struct mm_struct *mm)
{
	/* XXX */
}

static void tfp_flush_cache_range(struct mm_struct *mm,
				  unsigned long start,
				  unsigned long end)
{
	/* XXX */
}

static void tfp_flush_cache_page(struct vm_area_struct *vma,
				 unsigned long page)
{
	/* XXX */
}

static void tfp_flush_page_to_ram(unsigned long page)
{
	/* XXX */
}

static void tfp_flush_cache_sigtramp(unsigned long page)
{
	/* XXX */
}

/* TLB operations. XXX Write these dave... */
static inline void tfp_flush_tlb_all(void)
{
	/* XXX */
}

static void tfp_flush_tlb_mm(struct mm_struct *mm)
{
	/* XXX */
}

static void tfp_flush_tlb_range(struct mm_struct *mm, unsigned long start,
				unsigned long end)
{
	/* XXX */
}

static void tfp_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
	/* XXX */
}

static void tfp_load_pgd(unsigned long pg_dir)
{
}

static void tfp_pgd_init(unsigned long page)
{
}

static void tfp_add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
				unsigned long entryhi, unsigned long pagemask)
{
        /* XXX */
}

static int tfp_user_mode(struct pt_regs *regs)
{
	return (regs->cp0_status & ST0_KSU) == KSU_USER;
}

__initfunc(void ld_mmu_tfp(void))
{
	flush_cache_all = tfp_flush_cache_all;
	flush_cache_mm = tfp_flush_cache_mm;
	flush_cache_range = tfp_flush_cache_range;
	flush_cache_page = tfp_flush_cache_page;
	flush_cache_sigtramp = tfp_flush_cache_sigtramp;
	flush_page_to_ram = tfp_flush_page_to_ram;

	flush_tlb_all = tfp_flush_tlb_all;
	flush_tlb_mm = tfp_flush_tlb_mm;
	flush_tlb_range = tfp_flush_tlb_range;
	flush_tlb_page = tfp_flush_tlb_page;

        add_wired_entry = tfp_add_wired_entry;

	user_mode = tfp_user_mode;

	load_pgd = tfp_load_pgd;
	pgd_init = tfp_pgd_init;
    
	flush_cache_all();
	flush_tlb_all();
}
