| /* | |
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| */ | |
| PUBLIC _prvRegTest1Implementation | |
| PUBLIC _prvRegTest2Implementation | |
| EXTERN _ulRegTest1CycleCount | |
| EXTERN _ulRegTest2CycleCount | |
| RSEG CODE:CODE(4) | |
| /* This function is explained in the comments at the top of main.c. */ | |
| _prvRegTest1Implementation: | |
| /* Put a known value in each register. */ | |
| MOV #1, R1 | |
| MOV #2, R2 | |
| MOV #3, R3 | |
| MOV #4, R4 | |
| MOV #5, R5 | |
| MOV #6, R6 | |
| MOV #7, R7 | |
| MOV #8, R8 | |
| MOV #9, R9 | |
| MOV #10, R10 | |
| MOV #11, R11 | |
| MOV #12, R12 | |
| MOV #13, R13 | |
| MOV #14, R14 | |
| MOV #15, R15 | |
| /* Loop, checking each itteration that each register still contains the | |
| expected value. */ | |
| TestLoop1: | |
| /* Push the registers that are going to get clobbered. */ | |
| PUSHM R14-R15 | |
| /* Increment the loop counter to show this task is still getting CPU time. */ | |
| MOV #_ulRegTest1CycleCount, R14 | |
| MOV [ R14 ], R15 | |
| ADD #1, R15 | |
| MOV R15, [ R14 ] | |
| /* Yield to extend the text coverage. Set the bit in the ITU SWINTR register. */ | |
| MOV #1, R14 | |
| MOV #0872E0H, R15 | |
| MOV.B R14, [R15] | |
| NOP | |
| NOP | |
| /* Restore the clobbered registers. */ | |
| POPM R14-R15 | |
| /* Now compare each register to ensure it still contains the value that was | |
| set before this loop was entered. */ | |
| CMP #1, R1 | |
| BNE RegTest1Error | |
| CMP #2, R2 | |
| BNE RegTest1Error | |
| CMP #3, R3 | |
| BNE RegTest1Error | |
| CMP #4, R4 | |
| BNE RegTest1Error | |
| CMP #5, R5 | |
| BNE RegTest1Error | |
| CMP #6, R6 | |
| BNE RegTest1Error | |
| CMP #7, R7 | |
| BNE RegTest1Error | |
| CMP #8, R8 | |
| BNE RegTest1Error | |
| CMP #9, R9 | |
| BNE RegTest1Error | |
| CMP #10, R10 | |
| BNE RegTest1Error | |
| CMP #11, R11 | |
| BNE RegTest1Error | |
| CMP #12, R12 | |
| BNE RegTest1Error | |
| CMP #13, R13 | |
| BNE RegTest1Error | |
| CMP #14, R14 | |
| BNE RegTest1Error | |
| CMP #15, R15 | |
| BNE RegTest1Error | |
| /* All comparisons passed, start a new itteratio of this loop. */ | |
| BRA TestLoop1 | |
| RegTest1Error: | |
| /* A compare failed, just loop here so the loop counter stops incrementing | |
| - causing the check task to indicate the error. */ | |
| BRA RegTest1Error | |
| /*-----------------------------------------------------------*/ | |
| /* This function is explained in the comments at the top of main.c. */ | |
| _prvRegTest2Implementation: | |
| /* Put a known value in each register. */ | |
| MOV #10H, R1 | |
| MOV #20H, R2 | |
| MOV #30H, R3 | |
| MOV #40H, R4 | |
| MOV #50H, R5 | |
| MOV #60H, R6 | |
| MOV #70H, R7 | |
| MOV #80H, R8 | |
| MOV #90H, R9 | |
| MOV #100H, R10 | |
| MOV #110H, R11 | |
| MOV #120H, R12 | |
| MOV #130H, R13 | |
| MOV #140H, R14 | |
| MOV #150H, R15 | |
| /* Loop, checking each itteration that each register still contains the | |
| expected value. */ | |
| TestLoop2: | |
| /* Push the registers that are going to get clobbered. */ | |
| PUSHM R14-R15 | |
| /* Increment the loop counter to show this task is still getting CPU time. */ | |
| MOV #_ulRegTest2CycleCount, R14 | |
| MOV [ R14 ], R15 | |
| ADD #1, R15 | |
| MOV R15, [ R14 ] | |
| /* Restore the clobbered registers. */ | |
| POPM R14-R15 | |
| /* Now compare each register to ensure it still contains the value that was | |
| set before this loop was entered. */ | |
| CMP #10H, R1 | |
| BNE RegTest2Error | |
| CMP #20H, R2 | |
| BNE RegTest2Error | |
| CMP #30H, R3 | |
| BNE RegTest2Error | |
| CMP #40H, R4 | |
| BNE RegTest2Error | |
| CMP #50H, R5 | |
| BNE RegTest2Error | |
| CMP #60H, R6 | |
| BNE RegTest2Error | |
| CMP #70H, R7 | |
| BNE RegTest2Error | |
| CMP #80H, R8 | |
| BNE RegTest2Error | |
| CMP #90H, R9 | |
| BNE RegTest2Error | |
| CMP #100H, R10 | |
| BNE RegTest2Error | |
| CMP #110H, R11 | |
| BNE RegTest2Error | |
| CMP #120H, R12 | |
| BNE RegTest2Error | |
| CMP #130H, R13 | |
| BNE RegTest2Error | |
| CMP #140H, R14 | |
| BNE RegTest2Error | |
| CMP #150H, R15 | |
| BNE RegTest2Error | |
| /* All comparisons passed, start a new itteratio of this loop. */ | |
| BRA TestLoop2 | |
| RegTest2Error: | |
| /* A compare failed, just loop here so the loop counter stops incrementing | |
| - causing the check task to indicate the error. */ | |
| BRA RegTest2Error | |
| END |