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[/] [mlite/] [trunk/] [tools/] [opcodes.asm] - Diff between revs 148 and 194

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Rev 148	Rev 194
Line 30...	Line 30...
`lui $5,0`	`lui $5,0`
`ori $5,$5,0`	`ori $5,$5,0`
`lui $sp,0`	`lui $sp,0`
`ori $sp,$sp,0xfff0`	`ori $sp,$sp,0xfff0`

	`b StartTest`
	`nop #nops required to place ISR at 0x3c`
	`nop`

	`OS_AsmPatchValue:`
	`#Code to place at address 0x3c`
	`lui $26, 0x1000`
	`ori $26, $26, 0x3c`
	`jr $26`
	`nop`

	`InterruptVector: #Address=0x3c`
	`mfc0 $26,$14 #C0_EPC=14 (Exception PC)`
	`jr $26`
	`add $4,$4,5`

	`StartTest:`
`mtc0 $0,$12 #disable interrupts`	`mtc0 $0,$12 #disable interrupts`
`lui $20,0x2000 #serial port write address`	`lui $20,0x2000 #serial port write address`
`ori $21,$0,'\n' # letter`	`ori $21,$0,'\n' # letter`
`ori $22,$0,'X' #'X' letter`	`ori $22,$0,'X' #'X' letter`
`ori $23,$0,'\r'`	`ori $23,$0,'\r'`
`ori $24,$0,0x0f80 #temp memory`	`ori $24,$0,0x0f80 #temp memory`

	`sb $23,0($20)`
	`sb $21,0($20)`
	`sb $23,0($20)`
	`sb $21,0($20)`
	`sb $23,0($20)`
	`sb $21,0($20)`
	`sb $23,0($20)`
	`sb $21,0($20)`

	`#Patch interrupt vector to 0x1000003c`
	`la $5, OS_AsmPatchValue`
	`sub $6,$5,0x1000`
	`blez $6,NoPatch`

	`lw $6, 0($5)`
	`sw $6, 0x3c($0)`
	`lw $6, 4($5)`
	`sw $6, 0x40($0)`
	`lw $6, 8($5)`
	`sw $6, 0x44($0)`
	`lw $6, 12($5)`
	`sw $6, 0x48($0)`
	`NoPatch:`

`######################################`	`######################################`
`#Arithmetic Instructions`	`#Arithmetic Instructions`
`######################################`	`######################################`
	`ArthmeticTest:`
`ori $2,$0,'A'`	`ori $2,$0,'A'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'r'`	`ori $2,$0,'r'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'i'`	`ori $2,$0,'i'`
Line 286...	Line 328...
`sb $21,0($20)`	`sb $21,0($20)`

`######################################`	`######################################`
`#Branch and Jump Instructions`	`#Branch and Jump Instructions`
`######################################`	`######################################`
	`BranchTest:`
`ori $2,$0,'B'`	`ori $2,$0,'B'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'r'`	`ori $2,$0,'r'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'a'`	`ori $2,$0,'a'`
Line 619...	Line 662...
`nop`	`nop`
`sb $2,0($20)`	`sb $2,0($20)`
`sb $23,0($20)`	`sb $23,0($20)`
`sb $21,0($20)`	`sb $21,0($20)`

	`# b LoadTest`

	`BreakTest:`
	`#p: BREAK`
	`ori $2,$0,'p'`
	`sb $2,0($20)`
	`ori $2,$0,'z'`
	`ori $4,$0,59`
	`break 0`
	`addi $4,$4,1`
	`sb $4,0($20)`
	`sb $23,0($20)`
	`sb $21,0($20)`

	`#q: SYSCALL`
	`ori $2,$0,'q'`
	`sb $2,0($20)`
	`ori $4,$0,61`
	`syscall 0`
	`addi $4,$4,-1`
	`sb $4,0($20)`
	`sb $23,0($20)`
	`sb $21,0($20)`


`######################################`	`######################################`
`#Load, Store, and Memory Control Instructions`	`#Load, Store, and Memory Control Instructions`
`######################################`	`######################################`
	`LoadTest:`
`ori $2,$0,'L'`	`ori $2,$0,'L'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'o'`	`ori $2,$0,'o'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'a'`	`ori $2,$0,'a'`
Line 783...	Line 851...


`######################################`	`######################################`
`#Logical Instructions`	`#Logical Instructions`
`######################################`	`######################################`
	`LogicalTest:`
`ori $2,$0,'L'`	`ori $2,$0,'L'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'o'`	`ori $2,$0,'o'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'g'`	`ori $2,$0,'g'`
Line 876...	Line 945...


`######################################`	`######################################`
`#Move Instructions`	`#Move Instructions`
`######################################`	`######################################`
	`MoveTest:`
`ori $2,$0,'M'`	`ori $2,$0,'M'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'o'`	`ori $2,$0,'o'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'v'`	`ori $2,$0,'v'`
Line 931...	Line 1001...


`######################################`	`######################################`
`#Shift Instructions`	`#Shift Instructions`
`######################################`	`######################################`
	`ShiftTest:`
`ori $2,$0,'S'`	`ori $2,$0,'S'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'h'`	`ori $2,$0,'h'`
`sb $2,0($20)`	`sb $2,0($20)`
`ori $2,$0,'i'`	`ori $2,$0,'i'`

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[/] [mlite/] [trunk/] [tools/] [opcodes.asm] - Diff between revs 148 and 194