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292
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1 import unittest
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383
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2 import io
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342
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3 from ppci.outstream import BinaryOutputStream
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335
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4 from ppci.objectfile import ObjectFile
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292
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5 from testasm import AsmTestCaseBase
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345
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6 from ppci.target.target_list import arm_target
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383
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7 from ppci.layout import load_layout
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292
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8
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9
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345
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10 class ArmAssemblerTestCase(AsmTestCaseBase):
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340
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11 """ ARM-mode (not thumb-mode) instruction assembly test case """
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12 def setUp(self):
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341
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13 self.t = arm_target
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340
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14 self.obj = ObjectFile()
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346
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15 self.ostream = BinaryOutputStream(self.obj)
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383
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16 self.ostream.select_section('code')
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381
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17 self.assembler = arm_target.assembler
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340
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18
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19 def testMovImm(self):
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20 self.feed('mov r4, 100')
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21 self.check('6440a0e3')
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345
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22
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346
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23 def testMovImm2(self):
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24 self.feed('mov sp, 0x6000')
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25 self.check('06daa0e3')
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26
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362
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27 def testMovReg(self):
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28 self.feed('mov r3, sp')
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29 self.feed('mov pc, lr')
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30 self.feed('mov pc, r2')
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31 self.feed('mov sp, r4')
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32 self.feed('mov r5, r6')
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33 self.check('0d30a0e1 0ef0a0e1 02f0a0e1 04d0a0e1 0650a0e1')
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34
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345
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35 def testAdd2(self):
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36 self.feed('add r12, r11, 300')
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37 self.check('4bcf8be2')
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38
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39 def testAdd1(self):
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40 self.feed('add r9, r7, r2')
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41 self.check('029087e0')
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42
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43 def testSub1(self):
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44 self.feed('sub r5, r6, r2')
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45 self.check('025046e0')
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46
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47 def testSub2(self):
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48 self.feed('sub r0, r1, 0x80000001')
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49 self.check('060141e2')
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50
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356
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51 def testAnd1(self):
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52 self.feed('and r9, r0, r2')
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53 self.feed('and r4, r8, r6')
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54 self.check('029000e0 064008e0')
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55
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345
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56 def testOrr1(self):
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57 self.feed('orr r8, r7, r6')
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58 self.check('068087e1')
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59
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356
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60 def testLsl(self):
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61 self.feed('lsl r11, r5, r3')
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62 self.feed('lsl r4, r8, r6')
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63 self.check('15b3a0e1 1846a0e1')
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64
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65 def testLsr(self):
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66 self.feed('lsr r9, r0, r2')
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67 self.feed('lsr r4, r8, r6')
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68 self.check('3092a0e1 3846a0e1')
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69
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345
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70 def testBranches(self):
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381
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71 self.feed("""b sjakie
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72 ble sjakie
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73 bgt sjakie
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74 beq sjakie
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75 bl sjakie
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76 sjakie:
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77 b sjakie
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78 ble sjakie
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79 bgt sjakie
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80 beq sjakie
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81 bl sjakie""")
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345
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82 self.check('030000ea 020000da 010000ca 0000000a ffffffeb feffffea fdffffda fcffffca fbffff0a faffffeb')
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346
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83
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84 def testPush(self):
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85 self.feed('push {r11,r5,r4,lr}')
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86 self.check('30482de9')
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87
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88 def testPop(self):
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89 self.feed('pop {r4,r5,r6}')
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90 self.check('7000bde8')
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91
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92 def testStr(self):
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93 self.feed('str r9, [r2, 33]')
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94 self.check('219082e5')
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95
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96 def testLdr(self):
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97 self.feed('ldr r5, [r3, 87]')
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98 self.check('575093e5')
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99
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349
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100 def testLdrLabel(self):
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101 self.feed('ldr r5, lab1')
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102 self.feed('ldr r11, lab1')
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103 self.feed('ldr r10, lab1')
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104 self.feed('lab1:')
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105 self.feed('dcd 0x12345566')
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106 self.check('04509fe5 00b09fe5 04a01fe5 66553412')
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107
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375
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108 def testAdr(self):
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109 self.feed('adr r5, cval')
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110 self.feed('adr r9, cval')
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111 self.feed('adr r8, cval')
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112 self.feed('cval:')
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113 self.feed('adr r11, cval')
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114 self.feed('adr r12, cval')
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115 self.feed('adr r1, cval')
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116 self.check('04508fe2 00908fe2 04804fe2 08b04fe2 0cc04fe2 10104fe2')
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117
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118 def testLdrLabelAddress(self):
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119 self.feed('ldr r8, =a')
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120 self.feed('a:')
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381
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121 self.check('04801fe5 04000000')
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122
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123 def testLdrLabelAddressAt10000(self):
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124 """ Link code at 0x10000 and check if symbol was correctly patched """
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125 self.feed('ldr r8, =a')
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126 self.feed('a:')
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383
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127 spec = """
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128 MEMORY flash LOCATION=0x10000 SIZE=0x10000 {
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129 SECTION(code)
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130 }
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131 """
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132 layout = load_layout(io.StringIO(spec))
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133 self.check('04801fe5 04000100', layout)
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375
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134
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352
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135 def testCmp(self):
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136 self.feed('cmp r4, r11')
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137 self.feed('cmp r5, 0x50000')
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138 self.check('0b0054e1 050855e3')
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139
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346
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140 def testSequence1(self):
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141 self.feed('sub r4,r5,23')
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142 self.feed('blt x')
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143 self.feed('x:')
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144 self.feed('mul r4,r5,r2')
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145 self.check('174045e2 ffffffba 950204e0')
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146
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362
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147 def testMcr(self):
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148 """ Test move coprocessor register from arm register """
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149 self.feed('mcr p15, 0, r1, c2, c0, 0')
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150 self.feed('mcr p14, 0, r1, c8, c7, 0')
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151 self.check('101f02ee 171e08ee')
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152
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153 def testMrc(self):
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154 self.feed('mrc p15, 0, r1, c2, c0, 0')
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155 self.feed('mrc p14, 0, r1, c8, c7, 0')
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156 self.check('101f12ee 171e18ee')
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157
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346
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158
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159 if __name__ == '__main__':
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160 unittest.main()
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