begriffs open source - cmsis-freertos/blob - Demo/RL78_RL78G13_Promo_Board

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53

54

55 ;

56 ; This file defines the RegTest tasks as described at the top of main.c

57 ;

58

59 ;------------------------------------------------------------------------------

60

61 #if __CORE__ != __RL78_1__

62 #error "This file is only for RL78 Devices"

63 #endif

64

65 ; Functions implemented in this file

66 ;------------------------------------------------------------------------------

67

68 PUBLIC vRegTest1

69 PUBLIC vRegTest2

70

71 ; Functions used by this file

72 ;------------------------------------------------------------------------------

73 EXTERN vRegTestError

74

75 ;------------------------------------------------------------------------------

76 ; Fill all the registers with known values, then check that the registers

77 ; contain the expected value. An incorrect value being indicative of an

78 ; error in the context switch mechanism.

79 ;

80 ; Input: NONE

81 ;

82 ; Call: Created as a task.

83 ;

84 ; Output: NONE

85 ;

86 ;------------------------------------------------------------------------------

87 RSEG CODE:CODE

88 vRegTest1:

89

90 ; First fill the registers.

91 MOVW AX, #0x1122

92 MOVW BC, #0x3344

93 MOVW DE, #0x5566

94 MOVW HL, #0x7788

95 MOV CS, #0x01

96

97 #if __DATA_MODEL__ == __DATA_MODEL_FAR__

98

99 ; ES is not saved or restored when using the near memory model so only

100 ; test it when using the far model.

101 MOV ES, #0x02

102

103 #endif

104

105 loop1:

106

107 ; Continuously check that the register values remain at their expected

108 ; values. The BRK is to test the yield. This task runs at low priority

109 ; so will also regularly get preempted.

110 BRK

111

112 ; Compare with the expected value.

113 CMPW AX, #0x1122

114 BZ +5

115

116 ; Jump over the branch to vRegTestError() if the register contained the

117 ; expected value - otherwise flag an error by executing vRegTestError().

118 BR vRegTestError

119

120 ; Repeat for all the registers.

121 MOVW AX, BC

122 CMPW AX, #0x3344

123 BZ +5

124 BR vRegTestError

125 MOVW AX, DE

126 CMPW AX, #0x5566

127 BZ +5

128 BR vRegTestError

129 MOVW AX, HL

130 CMPW AX, #0x7788

131 BZ +5

132 BR vRegTestError

133 MOV A, CS

134 CMP A, #0x01

135 BZ +5

136 BR vRegTestError

137

138 #if __DATA_MODEL__ == __DATA_MODEL_FAR__

139

140 ; ES is not saved or restored when using the near memory model so only

141 ; test it when using the far model.

142 MOV A, ES

143 CMP A, #0x02

144 BZ +5

145 BR vRegTestError

146

147 #endif

148

149 MOVW AX, #0x1122

150 BR loop1

151

152

153 ;------------------------------------------------------------------------------

154 ; Fill all the registers with known values, then check that the registers

155 ; contain the expected value. An incorrect value being indicative of an

156 ; error in the context switch mechanism.

157 ;

158 ; Input: NONE

159 ;

160 ; Call: Created as a task.

161 ;

162 ; Output: NONE

163 ;

164 ;------------------------------------------------------------------------------

165 RSEG CODE:CODE

166 vRegTest2:

167

168 MOVW AX, #0x99aa

169 MOVW BC, #0xbbcc

170 MOVW DE, #0xddee

171 MOVW HL, #0xff12

172 MOV CS, #0x03

173

174 #if __DATA_MODEL__ == __DATA_MODEL_FAR__

175

176 MOV ES, #0x04

177

178 #endif

179

180 loop2:

181 CMPW AX, #0x99aa

182 BZ +5

183 BR vRegTestError

184 MOVW AX, BC

185 CMPW AX, #0xbbcc

186 BZ +5

187 BR vRegTestError

188 MOVW AX, DE

189 CMPW AX, #0xddee

190 BZ +5

191 BR vRegTestError

192 MOVW AX, HL

193 CMPW AX, #0xff12

194 BZ +5

195 BR vRegTestError

196 MOV A, CS

197 CMP A, #0x03

198 BZ +5

199 BR vRegTestError

200

201 #if __DATA_MODEL__ == __DATA_MODEL_FAR__

202

203 MOV A, ES

204 CMP A, #0x04

205 BZ +5

206 BR vRegTestError

207

208 #endif

209

210 MOVW AX, #0x99aa

211 BR loop2

212

213

214 END