Mercurial > lcfOS

comparison test/testthumbasm.py @ 345:b4882ff0ed06

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added more arm isa tests
author Windel Bouwman
date Sun, 02 Mar 2014 17:12:08 +0100
parents
children 3bb7dcfe5529
comparison
equal deleted inserted replaced
344:1378c4b027a0 345:b4882ff0ed06
1 import unittest
2 from ppci.outstream import BinaryOutputStream
3 from ppci.objectfile import ObjectFile
4 from asm import Assembler
5 from testasm import AsmTestCaseBase
6 from ppci.target.target_list import thumb_target
7
8
9 class ThumbAssemblerTestCase(AsmTestCaseBase):
10 def setUp(self):
11 self.t = thumb_target
12 self.obj = ObjectFile()
13 self.o = BinaryOutputStream(self.obj)
14 self.o.selectSection('.text')
15 self.a = Assembler(target=self.t, stream=self.o)
16
17 def testMovImm8(self):
18 self.feed('mov r4, 100')
19 self.check('6424')
20
21 @unittest.skip
22 def testMovExt(self):
23 self.feed('mov r3, sp')
24 self.check('')
25
26 def testYield(self):
27 self.feed('yield')
28 self.check('10bf')
29
30 def testPush(self):
31 self.feed('push {r2,r3,lr}')
32 self.check('0cb5')
33
34 def testPop(self):
35 self.feed('pop {r4-r6, pc}')
36 self.check('70bd')
37
38 def testStr5(self):
39 self.feed('str r4, [r1 + 0]')
40 self.check('0c60')
41
42 def testLdr5(self):
43 self.feed('ldr r4, [r0 + 0]')
44 self.check('0468')
45
46 def testLdrSpRel(self):
47 self.feed('ldr r0, [sp + 4]')
48 self.check('0198')
49
50 def testStrSpRel(self):
51 self.feed('str r0, [sp + 4]')
52 self.check('0190')
53
54 def testLdrPcRel(self):
55 self.feed('ldr r7, henkie')
56 self.feed('ldr r6, henkie')
57 self.feed('ldr r1, henkie')
58 self.feed('align 4')
59 self.feed('dcd 1')
60 self.feed('henkie: dcd 2')
61 self.check('024F024E 01490000 01000000 02000000')
62
63 def testBranch(self):
64 self.feed('start: b henkie')
65 self.feed('beq henkie')
66 self.feed('bne henkie')
67 self.feed('henkie: b start')
68 self.feed('eof: b eof')
69 self.check('01e000d0 ffd1fbe7 fee7')
70
71 def testConditions(self):
72 self.feed('blt x')
73 self.feed('bgt x')
74 self.feed('x:')
75 self.check('00dbffdc')
76
77 def testBoff(self):
78 self.feed('b henkie')
79 self.feed('b henkie')
80 self.feed('b henkie')
81 self.feed('b henkie')
82 self.feed('b henkie')
83 self.feed('b henkie')
84 self.feed('b henkie')
85 self.feed('henkie:')
86 self.feed('b henkie')
87 self.feed('b henkie')
88 self.feed('b henkie')
89 self.feed('b henkie')
90 self.check('05e004e0 03e002e0 01e000e0 ffe7fee7 fde7fce7 fbe7')
91
92 def testBl(self):
93 self.feed('bl henkie')
94 self.feed('bl henkie')
95 self.feed('henkie:')
96 self.feed('bl henkie')
97 self.feed('bl henkie')
98 self.check('00f0 02f8 00f0 00f8 fff7 feff fff7 fcff')
99
100 def testCmpRegReg(self):
101 self.feed('cmp r0, r1')
102 self.check('8842')
103
104 def testAddimm3(self):
105 self.feed('add r3, r5, 2')
106 self.feed('add r4, r1, 6')
107 self.check('ab1c8c1d')
108
109 def testSubImm3(self):
110 self.feed('sub r3, r5, 2')
111 self.feed('sub r4, r1, 6')
112 self.check('ab1e8c1f')
113
114 def testLeftShift(self):
115 self.feed('lsl r3, r5')
116 self.check('ab40')
117
118 def testAddSp(self):
119 self.feed('add sp,sp,8')
120 self.feed('add sp,sp,16')
121 self.check('02b004b0')
122
123 def testSubSp(self):
124 self.feed('sub sp,sp,32')
125 self.feed('sub sp,sp,4')
126 self.check('88b081b0')
127
128 def testSequence1(self):
129 self.feed('mov r5, 3')
130 self.feed('add r4, r5, 0')
131 self.feed('loop: add r6, r4, 7')
132 self.feed('cmp r6, 5')
133 self.check('0325 2c1c e61d 052e')
134
135 def testSequence2(self):
136 self.feed('henkie:')
137 self.feed('push {r1,r4,r5}')
138 self.feed('add r5, r2, r4')
139 self.feed('cmp r4, r2')
140 self.feed('ldr r0, [sp + 4]')
141 self.feed('str r3, [sp + 16]')
142 self.feed('pop {r1, r4, r5}')
143 self.feed('lsl r3, r4')
144 self.feed('cmp r3, r5')
145 self.feed('beq henkie')
146 self.feed('bne henkie')
147 self.feed('b henkie')
148 self.check('32b41519 94420198 049332bc a340ab42 f6d0f5d1 f4e7')
149
150