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1 | # |
1 | # |
2 | # Copyright (C) 2005 Martin Decky |
2 | # Copyright (C) 2005 Martin Decky |
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/asm/regname.h> |
29 | #include <arch/asm/regname.h> |
30 | 30 | ||
31 | .text |
31 | .text |
32 | 32 | ||
33 | .global cpu_sleep |
- | |
34 | .global iret |
33 | .global iret |
35 | .global memsetb |
34 | .global memsetb |
36 | .global memcpy |
35 | .global memcpy |
37 | 36 | ||
38 | cpu_sleep: |
- | |
39 | b cpu_sleep |
- | |
40 | - | ||
41 | iret: |
37 | iret: |
42 | lwz r3, 144(sp) |
38 | lwz r3, 144(sp) |
43 | mtxer r3 |
39 | mtxer r3 |
44 | 40 | ||
45 | lwz r3, 140(sp) |
41 | lwz r3, 140(sp) |
46 | mtctr r3 |
42 | mtctr r3 |
47 | 43 | ||
48 | lwz r3, 136(sp) |
44 | lwz r3, 136(sp) |
49 | mtcr r3 |
45 | mtcr r3 |
50 | 46 | ||
51 | lwz r3, 132(sp) |
47 | lwz r3, 132(sp) |
52 | mtlr r3 |
48 | mtlr r3 |
53 | 49 | ||
54 | lwz r3, 128(sp) |
50 | lwz r3, 128(sp) |
55 | mtspr srr1, r3 |
51 | mtspr srr1, r3 |
56 | 52 | ||
57 | lwz r3, 124(sp) |
53 | lwz r3, 124(sp) |
58 | mtspr srr0, r3 |
54 | mtspr srr0, r3 |
59 | 55 | ||
60 | lwz r0, 0(sp) |
56 | lwz r0, 0(sp) |
61 | lwz r2, 4(sp) |
57 | lwz r2, 4(sp) |
62 | lwz r3, 8(sp) |
58 | lwz r3, 8(sp) |
63 | lwz r4, 12(sp) |
59 | lwz r4, 12(sp) |
64 | lwz r5, 16(sp) |
60 | lwz r5, 16(sp) |
65 | lwz r6, 20(sp) |
61 | lwz r6, 20(sp) |
66 | lwz r7, 24(sp) |
62 | lwz r7, 24(sp) |
67 | lwz r8, 28(sp) |
63 | lwz r8, 28(sp) |
68 | lwz r9, 32(sp) |
64 | lwz r9, 32(sp) |
69 | lwz r10, 36(sp) |
65 | lwz r10, 36(sp) |
70 | lwz r11, 40(sp) |
66 | lwz r11, 40(sp) |
71 | lwz r12, 44(sp) |
67 | lwz r12, 44(sp) |
72 | lwz r13, 48(sp) |
68 | lwz r13, 48(sp) |
73 | lwz r14, 52(sp) |
69 | lwz r14, 52(sp) |
74 | lwz r15, 56(sp) |
70 | lwz r15, 56(sp) |
75 | lwz r16, 60(sp) |
71 | lwz r16, 60(sp) |
76 | lwz r17, 64(sp) |
72 | lwz r17, 64(sp) |
77 | lwz r18, 68(sp) |
73 | lwz r18, 68(sp) |
78 | lwz r19, 72(sp) |
74 | lwz r19, 72(sp) |
79 | lwz r20, 76(sp) |
75 | lwz r20, 76(sp) |
80 | lwz r21, 80(sp) |
76 | lwz r21, 80(sp) |
81 | lwz r22, 84(sp) |
77 | lwz r22, 84(sp) |
82 | lwz r23, 88(sp) |
78 | lwz r23, 88(sp) |
83 | lwz r24, 92(sp) |
79 | lwz r24, 92(sp) |
84 | lwz r25, 96(sp) |
80 | lwz r25, 96(sp) |
85 | lwz r26, 100(sp) |
81 | lwz r26, 100(sp) |
86 | lwz r27, 104(sp) |
82 | lwz r27, 104(sp) |
87 | lwz r28, 108(sp) |
83 | lwz r28, 108(sp) |
88 | lwz r29, 112(sp) |
84 | lwz r29, 112(sp) |
89 | lwz r30, 116(sp) |
85 | lwz r30, 116(sp) |
90 | lwz r31, 120(sp) |
86 | lwz r31, 120(sp) |
91 | 87 | ||
92 | mfspr sp, sprg1 |
88 | mfspr sp, sprg1 |
93 | 89 | ||
94 | rfi |
90 | rfi |
95 | 91 | ||
96 | memsetb: |
92 | memsetb: |
97 | rlwimi r5, r5, 8, 16, 23 |
93 | rlwimi r5, r5, 8, 16, 23 |
98 | rlwimi r5, r5, 16, 0, 15 |
94 | rlwimi r5, r5, 16, 0, 15 |
99 | 95 | ||
100 | addi r14, r3, -4 |
96 | addi r14, r3, -4 |
101 | 97 | ||
102 | cmplwi 0, r4, 4 |
98 | cmplwi 0, r4, 4 |
103 | blt 7f |
99 | blt 7f |
104 | 100 | ||
105 | stwu r5, 4(r14) |
101 | stwu r5, 4(r14) |
106 | beqlr |
102 | beqlr |
107 | 103 | ||
108 | andi. r15, r14, 3 |
104 | andi. r15, r14, 3 |
109 | add r4, r15, r4 |
105 | add r4, r15, r4 |
110 | subf r14, r15, r14 |
106 | subf r14, r15, r14 |
111 | srwi r15, r4, 2 |
107 | srwi r15, r4, 2 |
112 | mtctr r15 |
108 | mtctr r15 |
113 | 109 | ||
114 | bdz 6f |
110 | bdz 6f |
115 | 111 | ||
116 | 1: |
112 | 1: |
117 | stwu r5, 4(r14) |
113 | stwu r5, 4(r14) |
118 | bdnz 1b |
114 | bdnz 1b |
119 | 115 | ||
120 | 6: |
116 | 6: |
121 | 117 | ||
122 | andi. r4, r4, 3 |
118 | andi. r4, r4, 3 |
123 | 119 | ||
124 | 7: |
120 | 7: |
125 | 121 | ||
126 | cmpwi 0, r4, 0 |
122 | cmpwi 0, r4, 0 |
127 | beqlr |
123 | beqlr |
128 | 124 | ||
129 | mtctr r4 |
125 | mtctr r4 |
130 | addi r6, r6, 3 |
126 | addi r6, r6, 3 |
131 | 127 | ||
132 | 8: |
128 | 8: |
133 | 129 | ||
134 | stbu r5, 1(r14) |
130 | stbu r5, 1(r14) |
135 | bdnz 8b |
131 | bdnz 8b |
136 | 132 | ||
137 | blr |
133 | blr |
138 | 134 | ||
139 | memcpy: |
135 | memcpy: |
140 | srwi. r7, r5, 3 |
136 | srwi. r7, r5, 3 |
141 | addi r6, r3, -4 |
137 | addi r6, r3, -4 |
142 | addi r4, r4, -4 |
138 | addi r4, r4, -4 |
143 | beq 2f |
139 | beq 2f |
144 | 140 | ||
145 | andi. r0, r6, 3 |
141 | andi. r0, r6, 3 |
146 | mtctr r7 |
142 | mtctr r7 |
147 | bne 5f |
143 | bne 5f |
148 | 144 | ||
149 | 1: |
145 | 1: |
150 | 146 | ||
151 | lwz r7, 4(r4) |
147 | lwz r7, 4(r4) |
152 | lwzu r8, 8(r4) |
148 | lwzu r8, 8(r4) |
153 | stw r7, 4(r6) |
149 | stw r7, 4(r6) |
154 | stwu r8, 8(r6) |
150 | stwu r8, 8(r6) |
155 | bdnz 1b |
151 | bdnz 1b |
156 | 152 | ||
157 | andi. r5, r5, 7 |
153 | andi. r5, r5, 7 |
158 | 154 | ||
159 | 2: |
155 | 2: |
160 | 156 | ||
161 | cmplwi 0, r5, 4 |
157 | cmplwi 0, r5, 4 |
162 | blt 3f |
158 | blt 3f |
163 | 159 | ||
164 | lwzu r0, 4(r4) |
160 | lwzu r0, 4(r4) |
165 | addi r5, r5, -4 |
161 | addi r5, r5, -4 |
166 | stwu r0, 4(r6) |
162 | stwu r0, 4(r6) |
167 | 163 | ||
168 | 3: |
164 | 3: |
169 | 165 | ||
170 | cmpwi 0, r5, 0 |
166 | cmpwi 0, r5, 0 |
171 | beqlr |
167 | beqlr |
172 | mtctr r5 |
168 | mtctr r5 |
173 | addi r4, r4, 3 |
169 | addi r4, r4, 3 |
174 | addi r6, r6, 3 |
170 | addi r6, r6, 3 |
175 | 171 | ||
176 | 4: |
172 | 4: |
177 | 173 | ||
178 | lbzu r0, 1(r4) |
174 | lbzu r0, 1(r4) |
179 | stbu r0, 1(r6) |
175 | stbu r0, 1(r6) |
180 | bdnz 4b |
176 | bdnz 4b |
181 | blr |
177 | blr |
182 | 178 | ||
183 | 5: |
179 | 5: |
184 | 180 | ||
185 | subfic r0, r0, 4 |
181 | subfic r0, r0, 4 |
186 | mtctr r0 |
182 | mtctr r0 |
187 | 183 | ||
188 | 6: |
184 | 6: |
189 | 185 | ||
190 | lbz r7, 4(r4) |
186 | lbz r7, 4(r4) |
191 | addi r4, r4, 1 |
187 | addi r4, r4, 1 |
192 | stb r7, 4(r6) |
188 | stb r7, 4(r6) |
193 | addi r6, r6, 1 |
189 | addi r6, r6, 1 |
194 | bdnz 6b |
190 | bdnz 6b |
195 | subf r5, r0, r5 |
191 | subf r5, r0, r5 |
196 | rlwinm. r7, r5, 32-3, 3, 31 |
192 | rlwinm. r7, r5, 32-3, 3, 31 |
197 | beq 2b |
193 | beq 2b |
198 | mtctr r7 |
194 | mtctr r7 |
199 | b 1b |
195 | b 1b |
200 | 196 |