1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Creation Date: <2001/03/25 18:04:45 samuel>
* Time-stamp: <2001/04/15 12:28:38 samuel>
*
* <ptaccess.c>
*
* Handle stores to the (emulated) page table
*
* Copyright (C) 2001 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
#include "compat.h"
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include "mmu.h"
#include "rvec.h"
#define PERFORMANCE_INFO
#include "performance.h"
extern asmlinkage int do_intercept_tlbie( kernel_vars_t *kv, ulong pte0, ulong pte1, ulong pteoffs );
asmlinkage int
do_intercept_tlbie( kernel_vars_t *kv, ulong pte0, ulong pte1, ulong pteoffs )
{
ulong v;
BUMP( do_intercept_tlbie );
// printk("do_intercept_tlbie %08lX: %08lX %08lX\n", pteoffs, pte0, pte1 );
v = (pteoffs >> 6);
if( pte0 & BIT(25) ) /* secondary hash? */
v = ~v;
v ^= (pte0 >> 7) & 0x1fffff;
v &= 0x3ff;
v |= (pte0 << 10);
// printk("EA: %08lX\n", v<<12 );
table_tlbie( kv, v<<12 );
return RVEC_NOP;
}
|
