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32 | .section BOOTSTRAP |
32 | .section BOOTSTRAP |
33 | 33 | ||
34 | .global start |
34 | .global start |
35 | .global jump_to_kernel |
35 | .global jump_to_kernel |
36 | .global page_table |
36 | .global page_table |
- | 37 | .global boot_stack |
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37 | 38 | ||
38 | start: |
39 | start: |
- | 40 | ldr sp, =boot_stack |
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39 | b bootstrap |
41 | b bootstrap |
40 | 42 | ||
41 | jump_to_kernel: |
43 | jump_to_kernel: |
42 | # |
44 | # |
43 | # TODO |
45 | # TODO |
44 | # Make sure that the I-cache, D-cache and memory are mutually coherent |
46 | # Make sure that the I-cache, D-cache and memory are mutually coherent |
45 | # before passing control to the copied code. |
47 | # before passing control to the copied code. |
46 | # |
48 | # |
47 | bx r0 |
49 | bx r0 |
48 | 50 | ||
- | 51 | #bootloader stack |
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- | 52 | .section ST |
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- | 53 | .space 4096 |
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- | 54 | boot_stack: |
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49 | 55 | ||
50 | # place page_table to PT section |
56 | # place page_table to PT section |
51 | .section PT |
57 | .section PT |
52 | 58 | ||
53 | # make place for PTL0 page table |
59 | # make place for PTL0 page table |