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30 | 30 | ||
31 | .global context_save |
31 | .global context_save |
32 | .global context_restore |
32 | .global context_restore |
33 | 33 | ||
34 | #include <libarch/regname.h> |
34 | #include <libarch/regname.h> |
35 | #include <libarch/context_offset.h> |
35 | #include <arch/context_offset.h> |
36 | - | ||
37 | .macro CONTEXT_STORE r |
- | |
38 | stw sp, OFFSET_SP(\r) |
- | |
39 | stw r2, OFFSET_R2(\r) |
- | |
40 | stw r13, OFFSET_R13(\r) |
- | |
41 | stw r14, OFFSET_R14(\r) |
- | |
42 | stw r15, OFFSET_R15(\r) |
- | |
43 | stw r16, OFFSET_R16(\r) |
- | |
44 | stw r17, OFFSET_R17(\r) |
- | |
45 | stw r18, OFFSET_R18(\r) |
- | |
46 | stw r19, OFFSET_R19(\r) |
- | |
47 | stw r20, OFFSET_R20(\r) |
- | |
48 | stw r21, OFFSET_R21(\r) |
- | |
49 | stw r22, OFFSET_R22(\r) |
- | |
50 | stw r23, OFFSET_R23(\r) |
- | |
51 | stw r24, OFFSET_R24(\r) |
- | |
52 | stw r25, OFFSET_R25(\r) |
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53 | stw r26, OFFSET_R26(\r) |
- | |
54 | stw r27, OFFSET_R27(\r) |
- | |
55 | stw r28, OFFSET_R28(\r) |
- | |
56 | stw r29, OFFSET_R29(\r) |
- | |
57 | stw r30, OFFSET_R30(\r) |
- | |
58 | stw r31, OFFSET_R31(\r) |
- | |
59 | .endm |
- | |
60 | - | ||
61 | .macro CONTEXT_LOAD r |
- | |
62 | lwz sp, OFFSET_SP(\r) |
- | |
63 | lwz r2, OFFSET_R2(\r) |
- | |
64 | lwz r13, OFFSET_R13(\r) |
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65 | lwz r14, OFFSET_R14(\r) |
- | |
66 | lwz r15, OFFSET_R15(\r) |
- | |
67 | lwz r16, OFFSET_R16(\r) |
- | |
68 | lwz r17, OFFSET_R17(\r) |
- | |
69 | lwz r18, OFFSET_R18(\r) |
- | |
70 | lwz r19, OFFSET_R19(\r) |
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71 | lwz r20, OFFSET_R20(\r) |
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72 | lwz r21, OFFSET_R21(\r) |
- | |
73 | lwz r22, OFFSET_R22(\r) |
- | |
74 | lwz r23, OFFSET_R23(\r) |
- | |
75 | lwz r24, OFFSET_R24(\r) |
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76 | lwz r25, OFFSET_R25(\r) |
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77 | lwz r26, OFFSET_R26(\r) |
- | |
78 | lwz r27, OFFSET_R27(\r) |
- | |
79 | lwz r28, OFFSET_R28(\r) |
- | |
80 | lwz r29, OFFSET_R29(\r) |
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81 | lwz r30, OFFSET_R30(\r) |
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82 | lwz r31, OFFSET_R31(\r) |
- | |
83 | .endm |
- | |
84 | 36 | ||
85 | context_save: |
37 | context_save: |
86 | CONTEXT_STORE r3 |
38 | CONTEXT_SAVE_ARCH_CORE r3 |
87 | 39 | ||
88 | mflr r4 |
40 | mflr r4 |
89 | stw r4, OFFSET_PC(r3) |
41 | stw r4, OFFSET_PC(r3) |
90 | 42 | ||
91 | mfcr r4 |
43 | mfcr r4 |
Line 95... | Line 47... | ||
95 | li r3, 1 |
47 | li r3, 1 |
96 | blr |
48 | blr |
97 | 49 | ||
98 | 50 | ||
99 | context_restore: |
51 | context_restore: |
100 | CONTEXT_LOAD r3 |
52 | CONTEXT_RESTORE_ARCH_CORE r3 |
101 | 53 | ||
102 | lwz r4, OFFSET_CR(r3) |
54 | lwz r4, OFFSET_CR(r3) |
103 | mtcr r4 |
55 | mtcr r4 |
104 | 56 | ||
105 | lwz r4, OFFSET_PC(r3) |
57 | lwz r4, OFFSET_PC(r3) |