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Rev 1222 | Rev 1267 | ||
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Line 32... | Line 32... | ||
32 | .section K_TEXT_START, "ax" |
32 | .section K_TEXT_START, "ax" |
33 | 33 | ||
34 | .global kernel_image_start |
34 | .global kernel_image_start |
35 | kernel_image_start: |
35 | kernel_image_start: |
36 | 36 | ||
37 | # load temporary stack |
37 | # load temporal kernel stack |
38 | 38 | ||
39 | lis sp, end_stack@ha |
39 | lis sp, kernel_stack@ha |
40 | addi sp, sp, end_stack@l |
40 | addi sp, sp, kernel_stack@l |
- | 41 | ||
- | 42 | # set kernel stack for interrupt handling |
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- | 43 | ||
- | 44 | mr r31, sp |
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- | 45 | subis r31, r31, 0x8000 |
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- | 46 | mtsprg0 r31 |
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41 | 47 | ||
42 | # r3 contains physical address of bootinfo_t |
48 | # r3 contains physical address of bootinfo_t |
43 | # r4 contains size of bootinfo_t |
49 | # r4 contains size of bootinfo_t |
44 | 50 | ||
45 | lis r31, 0x80000000@ha |
- | |
46 | addi r31, r31, 0x80000000@l |
51 | addis r3, r3, 0x8000 |
47 | - | ||
48 | add r3, r3, r31 |
- | |
49 | 52 | ||
50 | lis r31, bootinfo@ha |
53 | lis r31, bootinfo@ha |
51 | addi r31, r31, bootinfo@l # r31 = bootinfo |
54 | addi r31, r31, bootinfo@l # r31 = bootinfo |
52 | 55 | ||
53 | cmpwi r4, 0 |
56 | cmpwi r4, 0 |
Line 70... | Line 73... | ||
70 | bl arch_pre_main |
73 | bl arch_pre_main |
71 | b main_bsp |
74 | b main_bsp |
72 | 75 | ||
73 | .section K_DATA_START, "aw", @progbits |
76 | .section K_DATA_START, "aw", @progbits |
74 | 77 | ||
- | 78 | .align 12 |
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- | 79 | kernel_stack_bottom: |
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75 | .space TEMP_STACK_SIZE |
80 | .space TEMP_STACK_SIZE |
76 | end_stack: |
81 | kernel_stack: |