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1d506c26 | 1 | # Copyright (C) 2016-2024 Free Software Foundation, Inc. |
e2e9097b DD |
2 | # Contributed by Dimitar Dimitrov <dimitar@dinux.eu> |
3 | # | |
4 | # This file is part of the GNU simulators. | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation; either version 3 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | # MACRO: start | |
20 | # All assembler tests should start with a call to "main_test" | |
21 | .macro start | |
22 | .text | |
23 | ||
24 | .global _start | |
25 | _start: | |
26 | ||
27 | # Skip over these inlined funcs. | |
28 | jmp __main_test; | |
29 | ||
30 | .global __pass | |
31 | .type __pass, function | |
32 | __pass: | |
33 | # Note - DRAM LMA and VMA are equal for PRU, so | |
34 | # we can afford to pass DRAM pointer directly. | |
35 | write 1, _passmsg, 5 | |
36 | exit 0 | |
37 | ||
38 | .global __fail | |
39 | .type __fail, function | |
40 | __fail: | |
41 | write 1, _failmsg, 5 | |
42 | exit 1 | |
43 | ||
44 | .data | |
45 | _passmsg: | |
46 | .ascii "pass\n" | |
47 | ||
48 | _failmsg: | |
49 | .ascii "fail\n" | |
50 | ||
51 | .text | |
52 | .global __main_test | |
53 | .type __main_test, function | |
54 | __main_test: | |
55 | .endm | |
56 | ||
57 | # MACRO: system_call | |
58 | # Make a libgloss system call | |
59 | .macro system_call nr:req, arg1=0, arg2=0, arg3=0 | |
60 | ldi r1, \nr | |
61 | ldi r14, \arg1 | |
62 | ldi r15, \arg2 | |
63 | ldi r16, \arg3 | |
64 | halt | |
65 | .endm | |
66 | ||
67 | # MACRO: exit | |
68 | # Quit the current test | |
69 | .macro exit rc:req | |
70 | system_call 1, \rc | |
71 | .endm | |
72 | ||
73 | # MACRO: pass | |
74 | # Write 'pass' to stdout via syscalls and quit; | |
75 | # meant for non-OS operating environments | |
76 | .macro pass | |
77 | jmp __pass; | |
78 | .endm | |
79 | ||
80 | # MACRO: fail | |
81 | # Write 'fail' to stdout via syscalls and quit; | |
82 | # meant for non-OS operating environments | |
83 | .macro fail | |
84 | jmp __fail; | |
85 | .endm | |
86 | ||
87 | # MACRO: write | |
88 | # Just like the write() C function; uses system calls | |
89 | .macro write fd:req, str:req, len:req | |
90 | system_call 5, \fd, \str, \len | |
91 | .endm | |
92 | ||
93 | # MACRO: qbne32 | |
94 | # Like qbne instruction, but check a 32-bit constant value. | |
95 | .macro qbne32 label:req, op0:req, C0:req | |
96 | qbne \label, \op0\().b0, ((\C0) >> 0) & 0xff | |
97 | qbne \label, \op0\().b1, ((\C0) >> 8) & 0xff | |
98 | qbne \label, \op0\().b2, ((\C0) >> 16) & 0xff | |
99 | qbne \label, \op0\().b3, ((\C0) >> 24) & 0xff | |
100 | .endm |