WebSVN – HelenOS – Diff – /branches/tracing/kernel/test/mm/purge1.c


/*
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <print.h>
#include <test.h>
#include <mm/page.h>
#include <mm/frame.h>
#include <mm/as.h>
#include <arch/mm/page.h>
#include <arch/mm/tlb.h>
#include <arch/types.h>
#include <debug.h>
 
extern void tlb_invalidate_all(void);
extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, size_t cnt);
 
char *test_purge1(void)
{
    tlb_entry_t entryi;
    tlb_entry_t entryd;
   
    int i;
   
    entryd.word[0] = 0;
    entryd.word[1] = 0;
   
    entryd.p = true;                 /* present */
    entryd.ma = MA_WRITEBACK;
    entryd.a = true;                 /* already accessed */
    entryd.d = true;                 /* already dirty */
    entryd.pl = PL_KERNEL;
    entryd.ar = AR_READ | AR_WRITE;
    entryd.ppn = 0;
    entryd.ps = PAGE_WIDTH;
   
    entryi.word[0] = 0;
    entryi.word[1] = 0;
   
    entryi.p = true;                 /* present */
    entryi.ma = MA_WRITEBACK;
    entryi.a = true;                 /* already accessed */
    entryi.d = true;                 /* already dirty */
    entryi.pl = PL_KERNEL;
    entryi.ar = AR_READ | AR_EXECUTE;
    entryi.ppn = 0;
    entryi.ps = PAGE_WIDTH;
   
    for (i = 0; i < 100; i++) {
        itc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 8, entryi);
        dtc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 9, entryd);
    }
   
    tlb_invalidate_pages(8, 0x0c000, 14);
   
    /* tlb_invalidate_all(); */
   
    return NULL;
}
 

Rev 4377	Rev 4692
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#include <print.h>	29	#include <print.h>
30	#include <test.h>	30	#include <test.h>
31	#include <mm/page.h>	31	#include <mm/page.h>
32	#include <mm/frame.h>	32	#include <mm/frame.h>
33	#include <mm/as.h>	33	#include <mm/as.h>
34	#include <arch/mm/page.h>	34	#include <arch/mm/page.h>
35	#include <arch/mm/tlb.h>	35	#include <arch/mm/tlb.h>
36	#include <arch/types.h>	36	#include <arch/types.h>
37	#include <debug.h>	37	#include <debug.h>
38		38
39	extern void tlb_invalidate_all(void);	39	extern void tlb_invalidate_all(void);
40	extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, count_t cnt);	40	extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, size_t cnt);
41		41
42	char *test_purge1(void)	42	char *test_purge1(void)
43	{	43	{
44	tlb_entry_t entryi;	44	tlb_entry_t entryi;
45	tlb_entry_t entryd;	45	tlb_entry_t entryd;
46		46
47	int i;	47	int i;
48		48
49	entryd.word[0] = 0;	49	entryd.word[0] = 0;
50	entryd.word[1] = 0;	50	entryd.word[1] = 0;
51		51
52	entryd.p = true; /* present */	52	entryd.p = true; /* present */
53	entryd.ma = MA_WRITEBACK;	53	entryd.ma = MA_WRITEBACK;
54	entryd.a = true; /* already accessed */	54	entryd.a = true; /* already accessed */
55	entryd.d = true; /* already dirty */	55	entryd.d = true; /* already dirty */
56	entryd.pl = PL_KERNEL;	56	entryd.pl = PL_KERNEL;
57	entryd.ar = AR_READ \| AR_WRITE;	57	entryd.ar = AR_READ \| AR_WRITE;
58	entryd.ppn = 0;	58	entryd.ppn = 0;
59	entryd.ps = PAGE_WIDTH;	59	entryd.ps = PAGE_WIDTH;
60		60
61	entryi.word[0] = 0;	61	entryi.word[0] = 0;
62	entryi.word[1] = 0;	62	entryi.word[1] = 0;
63		63
64	entryi.p = true; /* present */	64	entryi.p = true; /* present */
65	entryi.ma = MA_WRITEBACK;	65	entryi.ma = MA_WRITEBACK;
66	entryi.a = true; /* already accessed */	66	entryi.a = true; /* already accessed */
67	entryi.d = true; /* already dirty */	67	entryi.d = true; /* already dirty */
68	entryi.pl = PL_KERNEL;	68	entryi.pl = PL_KERNEL;
69	entryi.ar = AR_READ \| AR_EXECUTE;	69	entryi.ar = AR_READ \| AR_EXECUTE;
70	entryi.ppn = 0;	70	entryi.ppn = 0;
71	entryi.ps = PAGE_WIDTH;	71	entryi.ps = PAGE_WIDTH;
72		72
73	for (i = 0; i < 100; i++) {	73	for (i = 0; i < 100; i++) {
74	itc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 8, entryi);	74	itc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 8, entryi);
75	dtc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 9, entryd);	75	dtc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 9, entryd);
76	}	76	}
77		77
78	tlb_invalidate_pages(8, 0x0c000, 14);	78	tlb_invalidate_pages(8, 0x0c000, 14);
79		79
80	/* tlb_invalidate_all(); */	80	/* tlb_invalidate_all(); */
81		81
82	return NULL;	82	return NULL;
83	}	83	}
84		84

Subversion Repositories HelenOS

(root)/branches/tracing/kernel/test/mm/purge1.c – Rev 4377 → 4692