1*** Keywords *** 2Prepare Machine 3 [Arguments] ${architecture} ${memoryType} 4 5 Execute Command using sysbus 6 Execute Command mach create "Leon3" 7 8 Execute Command machine LoadPlatformDescriptionFromString "sysbus: { Endianess: Endianess.BigEndian }" 9 IF "${architecture}" == "Sparc" 10 Execute Command machine LoadPlatformDescriptionFromString "cpu: CPU.Sparc @ sysbus { cpuType: \\"leon3\\" }" 11 ELSE IF "${architecture}" == "PowerPC" 12 Execute Command machine LoadPlatformDescriptionFromString "cpu: CPU.PowerPc @ sysbus { cpuType: \\"e200z6\\" }" 13 ELSE 14 Fail Unknown architecture ${architecture} 15 END 16 Execute Command machine LoadPlatformDescriptionFromString "rom: Memory.MappedMemory @ sysbus 0x0 { size: 0x40000000 }" 17 Execute Command machine LoadPlatformDescriptionFromString "ddr: Memory.${memoryType} @ sysbus 0x40000000 { size: 0x20000000 }" 18 19 Execute Command cpu PC 0x0 20 21Load Sparc Reader Program 22 # Note that these writes to memory are in the emulation target's endianness (which is big-endian here), NOT the host's. 23 # For example, after `sysbus WriteDoubleWord 0x00000000 0x03100000`, the memory content as a byte array is `[0x03, 0x10, 0x00, 0x00]`. 24 # sethi %hi(0x40000000), %g1 25 Execute Command sysbus WriteDoubleWord 0x00000000 0x03100000 26 # or %g1, 0x104, %g1 27 Execute Command sysbus WriteDoubleWord 0x00000004 0x82106104 28 # ld [ %g1 ], %g2 29 Execute Command sysbus WriteDoubleWord 0x00000008 0xc4004000 30 # b . 31 Execute Command sysbus WriteDoubleWord 0x0000000c 0x10800000 32 # nop 33 Execute Command sysbus WriteDoubleWord 0x00000010 0x01000000 34 35Load Sparc Writer Program 36 # sethi %hi(0x40000000), %g1 37 Execute Command sysbus WriteDoubleWord 0x00000000 0x03100000 38 # or %g1, 0x104, %g1 39 Execute Command sysbus WriteDoubleWord 0x00000004 0x82106104 40 # sethi %hi(0x12345400), %g2 41 Execute Command sysbus WriteDoubleWord 0x00000008 0x05048d15 42 # or %g2, 0x278, %g2 43 Execute Command sysbus WriteDoubleWord 0x0000000c 0x8410a278 44 # st %g2, [ %g1 ] 45 Execute Command sysbus WriteDoubleWord 0x00000010 0xc4204000 46 # b .-4 # We jump back to the st instruction to be able to test watchpoints multiple times 47 Execute Command sysbus WriteDoubleWord 0x00000014 0x10bfffff 48 # nop 49 Execute Command sysbus WriteDoubleWord 0x00000018 0x01000000 50 51Load PowerPC Reader Program 52 # lis r1, 0x4000 53 Execute Command sysbus WriteDoubleWord 0x00000000 0x3c204000 54 # ori r1, r1, 0x104 55 Execute Command sysbus WriteDoubleWord 0x00000004 0x60210104 56 # lwz r2, 0(r1) 57 Execute Command sysbus WriteDoubleWord 0x00000008 0x80410000 58 # b . 59 Execute Command sysbus WriteDoubleWord 0x0000000c 0x48000000 60 # nop 61 Execute Command sysbus WriteDoubleWord 0x00000010 0x60000000 62 63Load PowerPC Writer Program 64 # lis r1, 0x4000 65 Execute Command sysbus WriteDoubleWord 0x00000000 0x3c204000 66 # ori r1, r1, 0x104 67 Execute Command sysbus WriteDoubleWord 0x00000004 0x60210104 68 # lis r2, 0x1234 69 Execute Command sysbus WriteDoubleWord 0x00000008 0x3c401234 70 # ori r2, r2, 0x5678 71 Execute Command sysbus WriteDoubleWord 0x0000000c 0x60425678 72 # stw r2, 0(r1) 73 Execute Command sysbus WriteDoubleWord 0x00000010 0x90410000 74 # b .-4 75 Execute Command sysbus WriteDoubleWord 0x00000014 0x4bfffffc 76 # nop 77 Execute Command sysbus WriteDoubleWord 0x00000018 0x60000000 78 79Load Program 80 [Arguments] ${architecture} ${type} 81 82 Run Keyword Load ${architecture} ${type} Program 83 84Memory Should Be Equal 85 [Arguments] ${address} ${value} ${width}=DoubleWord 86 ${res}= Execute Command sysbus Read${width} ${address} 87 Should Be Equal As Numbers ${res} ${value} 88 89Should Read Big-Endian Value With Watchpoint 90 [Arguments] ${architecture} ${memoryType} 91 92 Prepare Machine ${architecture} ${memoryType} 93 Load Program ${architecture} Reader 94 95 # Target-endian write 96 Execute Command sysbus WriteDoubleWord 0x40000104 0x12345678 97 98 # Same page as the value that gets accessed, not same address 99 Execute Command sysbus AddWatchpointHook 0x40000200 4 2 "pass" 100 101 PC Should Be Equal 0x00000000 102 103 Execute Command cpu Step 3 104 PC Should Be Equal 0x0000000c 105 Register Should Be Equal 2 0x12345678 106 107Should Write Big-Endian Value With Watchpoint 108 [Arguments] ${architecture} ${memoryType} 109 110 Prepare Machine ${architecture} ${memoryType} 111 Load Program ${architecture} Writer 112 113 # Same page as the value that gets accessed, not same address 114 Execute Command sysbus AddWatchpointHook 0x40000200 4 2 "pass" 115 116 PC Should Be Equal 0x00000000 117 Memory Should Be Equal 0x40000104 0x00000000 118 119 Execute Command cpu Step 5 120 PC Should Be Equal 0x00000014 121 Memory Should Be Equal 0x40000104 0x12345678 122 # Also verify that reading parts of the value separately works as expected 123 Memory Should Be Equal 0x40000104 0x1234 Word 124 Memory Should Be Equal 0x40000106 0x5678 Word 125 Memory Should Be Equal 0x40000104 0x12 Byte 126 127Write Watchpoint Should See Correct Value 128 [Arguments] ${architecture} ${memoryType} 129 130 Prepare Machine ${architecture} ${memoryType} 131 Create Log Tester 0 132 Load Program ${architecture} Writer 133 134 # Watch the address that gets accessed 135 # Watchpoints see the value as the CPU sees it, so BE here. 136 Execute Command sysbus AddWatchpointHook 0x40000104 4 2 "self.DebugLog('Watchpoint saw ' + hex(value))" 137 Execute Command logLevel 0 138 139 PC Should Be Equal 0x00000000 140 Memory Should Be Equal 0x40000104 0x00000000 141 142 Execute Command cpu Step 6 143 IF "${architecture}" == "Sparc" 144 PC Should Be Equal 0x00000018 145 ELSE 146 PC Should Be Equal 0x00000010 147 END 148 Wait For Log Entry Watchpoint saw 0x12345678L 149 150Write Watchpoint Should Work Multiple Times 151 [Arguments] ${architecture} ${memoryType} 152 153 Prepare Machine ${architecture} ${memoryType} 154 Create Log Tester 0 155 Load Program ${architecture} Writer 156 157 # Watch the address that gets accessed 158 Execute Command sysbus AddWatchpointHook 0x40000104 4 2 "self.DebugLog('Watchpoint saw ' + hex(value))" 159 Execute Command logLevel 0 160 161 PC Should Be Equal 0x00000000 162 Memory Should Be Equal 0x40000104 0x00000000 163 164 Execute Command cpu ExecutionMode Continuous 165 Execute Command start 166 167 FOR ${i} IN RANGE 32 168 Wait For Log Entry Watchpoint saw 0x12345678L timeout=1 169 END 170 171Abort Should Work After Watchpoint Hit 172 [Arguments] ${memoryType} 173 174 Prepare Machine Sparc ${memoryType} 175 Create Log Tester 0 176 Load Program Sparc Writer 177 178 # Overwrite branch with illegal instruction 179 Execute Command rom WriteDoubleWord 0x00000014 0xffffffff 180 181 # Watch the address that gets accessed 182 Execute Command sysbus AddWatchpointHook 0x40000104 4 2 "self.DebugLog('Watchpoint saw ' + hex(value))" 183 Execute Command logLevel 0 184 185 PC Should Be Equal 0x00000000 186 Memory Should Be Equal 0x40000104 0x00000000 187 188 Execute Command cpu ExecutionMode Continuous 189 Execute Command start 190 191 Wait For Log Entry Watchpoint saw 0x12345678L timeout=1 192 Wait For Log Entry CPU abort [PC=0x14]: Trap 0x02 while interrupts disabled timeout=1 193 194Should Read Big-Endian Value Without Watchpoint 195 [Arguments] ${architecture} 196 197 Prepare Machine ${architecture} MappedMemory 198 Load Program ${architecture} Reader 199 200 # Target-endian write 201 Execute Command sysbus WriteDoubleWord 0x40000104 0x12345678 202 203 PC Should Be Equal 0x00000000 204 205 Execute Command cpu Step 3 206 PC Should Be Equal 0x0000000c 207 Register Should Be Equal 2 0x12345678 208 209Should Write Big-Endian Value Without Watchpoint 210 [Arguments] ${architecture} 211 212 Prepare Machine ${architecture} MappedMemory 213 Load Program ${architecture} Writer 214 215 PC Should Be Equal 0x00000000 216 Memory Should Be Equal 0x40000104 0x00000000 217 218 Execute Command cpu Step 5 219 PC Should Be Equal 0x00000014 220 Memory Should Be Equal 0x40000104 0x12345678 221 222 223*** Test Cases *** 224Should Read Big-Endian Value Without Watchpoint On Sparc 225 Should Read Big-Endian Value Without Watchpoint Sparc 226 227Should Write Big-Endian Value Without Watchpoint On Sparc 228 Should Write Big-Endian Value Without Watchpoint Sparc 229 230Should Read Big-Endian Value With Watchpoint On MappedMemory On Sparc 231 Should Read Big-Endian Value With Watchpoint Sparc MappedMemory 232 233Should Read Big-Endian Value With Watchpoint On ArrayMemory On Sparc 234 Should Read Big-Endian Value With Watchpoint Sparc ArrayMemory 235 236Should Write Big-Endian Value With Watchpoint On MappedMemory On Sparc 237 Should Write Big-Endian Value With Watchpoint Sparc MappedMemory 238 239Should Write Big-Endian Value With Watchpoint On ArrayMemory On Sparc 240 Should Write Big-Endian Value With Watchpoint Sparc ArrayMemory 241 242Write Watchpoint Should See Correct Value On MappedMemory On Sparc 243 Write Watchpoint Should See Correct Value Sparc MappedMemory 244 245Write Watchpoint Should See Correct Value On ArrayMemory On Sparc 246 Write Watchpoint Should See Correct Value Sparc ArrayMemory 247 248Write Watchpoint Should Work Multiple Times On MappedMemory On Sparc 249 Write Watchpoint Should Work Multiple Times Sparc MappedMemory 250 251Write Watchpoint Should Work Multiple Times On ArrayMemory On Sparc 252 Write Watchpoint Should Work Multiple Times Sparc ArrayMemory 253 254Should Read Big-Endian Value With Watchpoint On MappedMemory On PowerPC 255 Should Read Big-Endian Value With Watchpoint PowerPC MappedMemory 256 257Should Read Big-Endian Value With Watchpoint On ArrayMemory On PowerPC 258 Should Read Big-Endian Value With Watchpoint PowerPC ArrayMemory 259 260Should Write Big-Endian Value With Watchpoint On MappedMemory On PowerPC 261 Should Write Big-Endian Value With Watchpoint PowerPC MappedMemory 262 263Should Write Big-Endian Value With Watchpoint On ArrayMemory On PowerPC 264 Should Write Big-Endian Value With Watchpoint PowerPC ArrayMemory 265 266Write Watchpoint Should See Correct Value On MappedMemory On PowerPC 267 Write Watchpoint Should See Correct Value PowerPC MappedMemory 268 269Write Watchpoint Should See Correct Value On ArrayMemory On PowerPC 270 Write Watchpoint Should See Correct Value PowerPC ArrayMemory 271 272Write Watchpoint Should Work Multiple Times On MappedMemory On PowerPC 273 Write Watchpoint Should Work Multiple Times PowerPC MappedMemory 274 275Write Watchpoint Should Work Multiple Times On ArrayMemory On PowerPC 276 Write Watchpoint Should Work Multiple Times PowerPC ArrayMemory 277 278Abort Should Work After Watchpoint Hit On MappedMemory 279 Abort Should Work After Watchpoint Hit MappedMemory 280 281Abort Should Work After Watchpoint Hit On ArrayMemory 282 Abort Should Work After Watchpoint Hit ArrayMemory 283 284Watchpoint Should Not Affect Execution On MPC5567 285 # This is a big-endian PowerPC platform 286 Execute Script ${CURDIR}/../../scripts/single-node/mpc5567.resc 287 Create Terminal Tester sysbus.uart 288 Create Log Tester 0 289 # This address has been chosen to cause a failure to boot if the presence of the watchpoint 290 # causes an access endianness mismatch 291 Execute Command sysbus AddWatchpointHook 0x40002ccc 4 3 "cpu.WarningLog('Watchpoint hit')" 292 293 Wait For Prompt On Uart QR5567> pauseEmulation=true 294 Wait For Log Entry Watchpoint hit 295 # Ensure that access translation works as expected for big-endian peripherals by reading the 296 # UART status register, because the MPC5567_UART has ByteToDoubleWord 297 Memory Should Be Equal 0xfffb0008 0xc0000000 298 Memory Should Be Equal 0xfffb0008 0xc0 Byte 299 Memory Should Be Equal 0xfffb0009 0x00 Byte 300 Memory Should Be Equal 0xfffb000a 0x00 Byte 301 Memory Should Be Equal 0xfffb000b 0x00 Byte 302 303Watchpoint Should Not Affect Execution On Microwatt 304 # This is a little-endian PowerPC platform 305 Execute Script ${CURDIR}/../../scripts/single-node/microwatt.resc 306 Create Terminal Tester sysbus.uart 307 Create Log Tester 0 308 # This address has been chosen to cause a failure to boot if the presence of the watchpoint 309 # causes an access endianness mismatch 310 Execute Command sysbus AddWatchpointHook 0x5fee0 8 3 "cpu.WarningLog('Watchpoint hit')" 311 312 Wait For Prompt On Uart >>> pauseEmulation=true 313 Wait For Log Entry Watchpoint hit 314
