Rev 3098 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
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Line 33... | Line 33... | ||
33 | .set noreorder |
33 | .set noreorder |
34 | .option pic2 |
34 | .option pic2 |
35 | 35 | ||
36 | ## User-space task entry point |
36 | ## User-space task entry point |
37 | # |
37 | # |
- | 38 | # $a0 ($4) contains the PCB pointer |
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38 | # |
39 | # |
39 | .ent __entry |
40 | .ent __entry |
40 | __entry: |
41 | __entry: |
41 | .frame $sp, 32, $31 |
42 | .frame $sp, 32, $31 |
42 | .cpload $25 |
43 | .cpload $25 |
43 | - | ||
44 | 44 | ||
45 | # Mips o32 may store its arguments on stack, make space (16 bytes), |
45 | # Mips o32 may store its arguments on stack, make space (16 bytes), |
46 | # so that it could work with -O0 |
46 | # so that it could work with -O0 |
47 | # Make space additional 16 bytes for the stack frame |
47 | # Make space additional 16 bytes for the stack frame |
48 | 48 | ||
49 | addiu $sp, -32 |
49 | addiu $sp, -32 |
50 | .cprestore 16 # Allow PIC code |
50 | .cprestore 16 # Allow PIC code |
- | 51 | ||
- | 52 | # Pass pcb_ptr to __main() as the first argument. pcb_ptr is already |
|
- | 53 | # in $a0. As the first argument is passed in $a0, no operation |
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- | 54 | # is needed. |
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51 | 55 | ||
52 | jal __main |
56 | jal __main |
53 | nop |
57 | nop |
54 | 58 | ||
55 | jal main |
- | |
56 | nop |
- | |
57 | - | ||
58 | jal __exit |
59 | jal __exit |
59 | nop |
60 | nop |
60 | .end |
61 | .end |
61 | 62 | ||
62 | # Alignment of output section data to 0x4000 |
63 | # Alignment of output section data to 0x4000 |