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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 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 <arch/mm/page.h> |
29 | #include <arch/mm/page.h> |
30 | #include <arch/types.h> |
30 | #include <arch/types.h> |
31 | #include <genarch/mm/page_ht.h> |
31 | #include <genarch/mm/page_ht.h> |
32 | #include <print.h> |
32 | #include <print.h> |
33 | #include <mm/page.h> |
33 | #include <mm/page.h> |
34 | #include <config.h> |
34 | #include <config.h> |
35 | #include <panic.h> |
35 | #include <panic.h> |
- | 36 | #include <arch/asm.h> |
|
36 | 37 | ||
37 | __u64 thash(__u64 va); |
38 | __u64 thash(__u64 va); |
38 | __u64 thash(__u64 va) |
39 | __u64 thash(__u64 va) |
39 | { |
40 | { |
40 | __u64 ret; |
41 | __u64 ret; |
41 | asm |
42 | asm |
42 | ( |
43 | ( |
43 | "thash %0=%1;;" |
44 | "thash %0=%1;;" |
44 | :"=r"(ret) |
45 | :"=r"(ret) |
45 | :"r" (va) |
46 | :"r" (va) |
46 | ); |
47 | ); |
47 | 48 | ||
48 | return ret; |
49 | return ret; |
49 | } |
50 | } |
50 | 51 | ||
51 | __u64 ttag(__u64 va); |
52 | __u64 ttag(__u64 va); |
52 | __u64 ttag(__u64 va) |
53 | __u64 ttag(__u64 va) |
53 | { |
54 | { |
54 | __u64 ret; |
55 | __u64 ret; |
55 | asm |
56 | asm |
56 | ( |
57 | ( |
57 | "ttag %0=%1;;" |
58 | "ttag %0=%1;;" |
58 | :"=r"(ret) |
59 | :"=r"(ret) |
59 | :"r" (va) |
60 | :"r" (va) |
60 | ); |
61 | ); |
61 | 62 | ||
62 | return ret; |
63 | return ret; |
63 | } |
64 | } |
64 | 65 | ||
65 | 66 | ||
66 | static void set_VHPT_environment(void) |
67 | static void set_VHPT_environment(void) |
67 | { |
68 | { |
68 | 69 | ||
69 | 70 | ||
70 | /* |
71 | /* |
71 | TODO: |
72 | TODO: |
72 | */ |
73 | */ |
73 | 74 | ||
74 | int i; |
75 | int i; |
75 | 76 | ||
76 | /* First set up REGION REGISTER 0 */ |
77 | /* First set up REGION REGISTER 0 */ |
77 | 78 | ||
78 | region_register rr; |
79 | region_register rr; |
79 | rr.map.ve=0; /*Disable Walker*/ |
80 | rr.map.ve=0; /*Disable Walker*/ |
80 | rr.map.ps=PAGE_WIDTH; |
81 | rr.map.ps=PAGE_WIDTH; |
81 | rr.map.rid=REGION_RID_MAIN; |
82 | rr.map.rid=REGION_RID_MAIN; |
82 | 83 | ||
83 | asm |
84 | asm |
84 | ( |
85 | ( |
85 | ";;\n" |
86 | ";;\n" |
86 | "srlz.i;;\n" |
87 | "srlz.i;;\n" |
87 | "srlz.d;;\n" |
88 | "srlz.d;;\n" |
88 | "{mov rr[r0]=%0};;\n" |
89 | "{mov rr[r0]=%0};;\n" |
89 | "srlz.i;;\n" |
90 | "srlz.i;;\n" |
90 | "srlz.d;;\n" |
91 | "srlz.d;;\n" |
91 | ";;\n" |
92 | ";;\n" |
92 | : |
93 | : |
93 | :"r"(rr.word) |
94 | :"r"(rr.word) |
94 | ); |
95 | ); |
95 | 96 | ||
96 | 97 | ||
97 | /* And Invalidate the rest of REGION REGISTERS */ |
98 | /* And Invalidate the rest of REGION REGISTERS */ |
98 | for(i=1;i<REGION_REGISTERS;i++) |
99 | for(i=1;i<REGION_REGISTERS;i++) |
99 | { |
100 | { |
100 | rr.map.rid=REGION_RID_FIRST_INVALID+i-1; |
101 | rr.map.rid=REGION_RID_FIRST_INVALID+i-1; |
101 | asm |
102 | asm |
102 | ( |
103 | ( |
103 | ";;\n" |
104 | ";;\n" |
104 | /* "mov r8=%1;;\n"*/ |
105 | /* "mov r8=%1;;\n"*/ |
105 | /* "mov rr[r8]=%0;;\n"*/ |
106 | /* "mov rr[r8]=%0;;\n"*/ |
106 | "srlz.i;;\n" |
107 | "srlz.i;;\n" |
107 | "srlz.d;;\n" |
108 | "srlz.d;;\n" |
108 | "{mov rr[%1]=%0};;\n" |
109 | "{mov rr[%1]=%0};;\n" |
109 | "srlz.i;;\n" |
110 | "srlz.i;;\n" |
110 | "srlz.d;;\n" |
111 | "srlz.d;;\n" |
111 | : |
112 | : |
112 | :"r"(rr.word),"r"(i) |
113 | :"r"(rr.word),"r"(i) |
113 | :"r8" |
114 | :"r8" |
114 | ); |
115 | ); |
115 | }; |
116 | }; |
116 | 117 | ||
117 | 118 | ||
118 | 119 | ||
119 | PTA_register pta; |
120 | PTA_register pta; |
120 | pta.map.ve=0; /*Disable Walker*/ |
121 | pta.map.ve=0; /*Disable Walker*/ |
121 | pta.map.vf=1; /*Large entry format*/ |
122 | pta.map.vf=1; /*Large entry format*/ |
122 | pta.map.size=VHPT_WIDTH; |
123 | pta.map.size=VHPT_WIDTH; |
123 | pta.map.base=VHPT_BASE; |
124 | pta.map.base=VHPT_BASE; |
124 | 125 | ||
125 | return ; |
126 | return ; |
126 | 127 | ||
127 | printf("pta struct size:%d\n",sizeof(pta)); |
128 | printf("pta struct size:%d\n",sizeof(pta)); |
128 | 129 | ||
129 | /*Write PTA*/ |
130 | /*Write PTA*/ |
130 | asm |
131 | asm |
131 | ( |
132 | ( |
132 | "mov cr8=%0;;" |
133 | "mov cr8=%0;;" |
133 | : |
134 | : |
134 | :"r"(pta.word) |
135 | :"r"(pta.word) |
135 | ); |
136 | ); |
136 | return ; |
137 | return ; |
137 | } |
138 | } |
138 | 139 | ||
139 | 140 | ||
140 | void page_arch_init(void) |
141 | void page_arch_init(void) |
141 | { |
142 | { |
142 | page_operations = &page_ht_operations; |
143 | page_operations = &page_ht_operations; |
- | 144 | pk_disable(); |
|
143 | set_VHPT_environment(); |
145 | set_VHPT_environment(); |
144 | } |
146 | } |
145 | 147 |