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30 | 30 | ||
31 | .global context_save_arch |
31 | .global context_save_arch |
32 | .global context_restore_arch |
32 | .global context_restore_arch |
33 | 33 | ||
34 | context_save_arch: |
34 | context_save_arch: |
- | 35 | stmfd sp!, {r1} |
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- | 36 | mrs r1, cpsr |
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- | 37 | and r1, r1, #0x1f |
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- | 38 | stmia r0!, {r1} |
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- | 39 | ldmfd sp!, {r1} |
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35 | 40 | ||
36 | stmia r0!, {sp, lr} |
41 | stmia r0!, {sp, lr} |
37 | stmia r0!, {r4-r11} |
42 | stmia r0!, {r4-r11} |
38 | 43 | ||
39 | mov r0, #1 |
44 | mov r0, #1 |
40 | mov pc, lr |
45 | mov pc, lr |
41 | 46 | ||
42 | 47 | ||
43 | context_restore_arch: |
48 | context_restore_arch: |
44 | 49 | ||
- | 50 | ldmia r0!, {r4} |
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- | 51 | mrs r5, cpsr |
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- | 52 | bic r5, r5, #0x1f |
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- | 53 | orr r5, r5, r4 |
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- | 54 | msr cpsr_c, r5 |
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- | 55 | ||
45 | ldmia r0!, {sp, lr} |
56 | ldmia r0!, {sp, lr} |
46 | ldmia r0!, {r4-r11} |
57 | ldmia r0!, {r4-r11} |
47 | 58 | ||
48 | mov r0, #0 |
59 | mov r0, #0 |
49 | mov pc, lr |
60 | mov pc, lr |
50 | 61 |