Rev 3022 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3022 | Rev 4055 | ||
|---|---|---|---|
| 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 |
|
| 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 | jal __main |
- | |
| 53 | nop |
- | |
| 54 | - | ||
| 55 | jal __io_init |
- | |
| 56 | nop |
- | |
| 57 | - | ||
| 58 | jal main |
- | |
| 59 | nop |
- | |
| 60 | - | ||
| 61 | jal __exit |
- | |
| 62 | nop |
- | |
| 63 | .end |
- | |
| 64 | 51 | ||
| 65 | .ent __entry_driver |
52 | # Pass pcb_ptr to __main() as the first argument. pcb_ptr is already |
| 66 | __entry_driver: |
- | |
| 67 | .frame $sp, 32, $31 |
- | |
| 68 | .cpload $25 |
- | |
| 69 | - | ||
| 70 | - | ||
| 71 | # Mips o32 may store its arguments on stack, make space (16 bytes), |
53 | # in $a0. As the first argument is passed in $a0, no operation |
| 72 | # so that it could work with -O0 |
54 | # is needed. |
| 73 | # Make space additional 16 bytes for the stack frame |
- | |
| 74 | 55 | ||
| 75 | addiu $sp, -32 |
- | |
| 76 | .cprestore 16 # Allow PIC code |
- | |
| 77 | - | ||
| 78 | jal __main |
56 | jal __main |
| 79 | nop |
57 | nop |
| 80 | 58 | ||
| 81 | jal main |
- | |
| 82 | nop |
- | |
| 83 | - | ||
| 84 | jal __exit |
59 | jal __exit |
| 85 | nop |
60 | nop |
| 86 | .end |
61 | .end |
| - | 62 | ||
| 87 | # Alignment of output section data to 0x4000 |
63 | # Alignment of output section data to 0x4000 |
| 88 | .section .data |
64 | .section .data |
| 89 | .align 14 |
65 | .align 14 |