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- Inhaltsverzeichnis
- LESEZEICHEN
- MicroBlaze 1
- Processor 1
- Reference Guide 1
- 1-800-255-7778 2
- UG081 (v6.0) June 1, 2006 3
- About This Guide 7
- Conventions 8
- Online Document 9
- Preface: About This Guide 10
- MicroBlaze Architecture 11
- Data Types and Endianness 13
- Instructions 13
- Registers 20
- General Purpose Registers 21
- Special Purpose Registers 21
- Machine Status Register (MSR) 22
- Arithmetic Carry 24
- Interrupt Enable 24
- Buslock Enable 24
- 19 20 26 27 31 25
- RESERVED 25
- Branch Target Register (BTR) 26
- Invalid operation 27
- Divide-by-zero 27
- Underflow 27
- Denormalized operand error 27
- Pipeline Architecture 31
- Memory Architecture 32
- ← 0x00000000 34
- Equivalent Pseudocode 35
- Hardware Breaks 35
- Interrupt 36
- User Vector (Exception) 36
- ← 0x00000008 37
- Instruction Address Bits 37
- Data Cache 38
- Data Address Bits 39
- Floating Point Unit (FPU) 40
- Rounding 41
- Operations 41
- Fast Simplex Link (FSL) 42
- Debug and Trace 43
- Chapter 2 45
- LMB Signal Interface 49
- LMB Transactions 51
- Back-to-Back Write Operation 52
- Read and Write Data Steering 53
- Master FSL Signal Interface 54
- Slave FSL Signal Interface 54
- FSL Transactions 55
- CacheLink Signal Interface 56
- CacheLink Transactions 57
- Instruction Cache Read Miss 58
- Data Cache Read Miss 58
- Data Cache Write 58
- Debug Interface Description 59
- Trace Interface Description 59
- MicroBlaze Application Binary 65
- Interface 65
- Register Usage Conventions 66
- Stack Convention 67
- Memory Model 69
- ≠ Not equal comparison 71
- Logical AND 75
- (rD) ← (rA) ∧ (rB) 75
- Logial AND with Immediate 76
- ← (rA) ∧ sext(IMM) 76
- Logical AND NOT 77
- ← (rA) ∧ (rB) 77
- ← (rA) ∧ (sext(IMM)) 78
- Branch if Equal 79
- ← PC + rB 79
- ← PC + 4 79
- Branch Immediate if Equal 80
- ← PC + sext(IMM) 80
- Branch if Greater or Equal 81
- Branch if Greater Than 83
- Branch if Less or Equal 85
- Branch if Less Than 87
- Branch Immediate if Less Than 88
- Branch if Not Equal 89
- ≠ 0 then 89
- Branch Immediate if Not Equal 90
- Unconditional Branch 91
- ← PC + (rB) 91
- ← PC + (IMM) 93
- Break Immediate 96
- ← sext(IMM) 96
- Floating Point Arithmetic Add 100
- Description 101
- Pseudocode 101
- Registers Altered 101
- Immediate 108
- Load Byte Unsigned 109
- ←(rA) + (rB) 109
- ← Mem(Addr) 109
- Load Byte Unsigned Immediate 110
- ←(rA) + sext(IMM) 110
- Load Word 113
- ← (rA) + (rB) 113
- Load Word Immediate 114
- ← (rA) + sext(IMM) 114
- ← (MSR) ∧ (IMM)) 116
- Read MSR and set bits in MSR 117
- ← (MSR) ∨ (IMM) 117
- Multiply 119
- ← LSW( (rA) × (rB) ) 119
- Multiply Immediate 120
- ← LSW( (rA) × sext(IMM) ) 120
- Logical OR 121
- ← (rA) ∨ (rB) 121
- Logical OR with Immediate 122
- ← (rA) ∨ (IMM) 122
- Pattern Compare Equal 124
- Pattern Compare Not Equal 125
- Return from Break 129
- Return from Interrupt 130
- Return from Subroutine 132
- Store Byte 133
- ← (rD)[24:31] 133
- Store Byte Immediate 134
- Sign Extend Halfword 135
- ← (rA)[16] 135
- ← (rA)[16:31] 135
- Sign Extend Byte 136
- ← (rA)[24] 136
- ← (rA)[24:31] 136
- Store Halfword 137
- ← (rD)[16:31] 137
- Store Halfword Immediate 138
- Shift Right Arithmetic 139
- ← (rA)[0] 139
- ← (rA)[0:30] 139
- ← (rA)[31] 139
- Shift Right with Carry 140
- ← MSR[C] 140
- Shift Right Logical 141
- Store Word 142
- ← (rD)[0:31] 142
- Store Word Immediate 143
- Write to Data Cache 144
- Write to Instruction Cache 145
- Logical Exclusive OR 146
- ← (rA) ⊕ (rB) 146
- ← (rA) ⊕ sext(IMM) 147
Inhaltsverzeichnis
RMicroBlazeProcessorReference GuideEmbedded Development KitEDK 8.2iUG081 (v6.0) June 1, 2006
10 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Preface: About This GuideR
100 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRfadd
MicroBlaze Processor Reference Guide www.xilinx.com 101UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRfrsubReverse Floating Point Arithmetic Sub
102 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRfmul
MicroBlaze Processor Reference Guide www.xilinx.com 103UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRfdivFloating Point Arithmetic DivisionDesc
104 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRfcmp
MicroBlaze Processor Reference Guide www.xilinx.com 105UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRRegisters Altered• rD, unless an FP except
106 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRgetg
MicroBlaze Processor Reference Guide www.xilinx.com 107UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRidivInteger DivideDescriptionThe contents
108 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRimmI
MicroBlaze Processor Reference Guide www.xilinx.com 109UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRlbuLoad Byte UnsignedDescriptionLoads a by
MicroBlaze Processor Reference Guide www.xilinx.com 11UG081 (v6.0) June 1, 2006 1-800-255-7778RChapter 1MicroBlaze ArchitectureOverviewTheMicroBlazeem
110 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRlbui
MicroBlaze Processor Reference Guide www.xilinx.com 111UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRlhuLoad Halfword UnsignedDescriptionLoads
112 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRlhui
MicroBlaze Processor Reference Guide www.xilinx.com 113UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRlwLoad WordDescriptionLoads a word (32 bit
114 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRlwiL
MicroBlaze Processor Reference Guide www.xilinx.com 115UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRmfsMove From Special Purpose RegisterDescr
116 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRmsrc
MicroBlaze Processor Reference Guide www.xilinx.com 117UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRmsrsetRead MSR and set bits in MSRDescript
118 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRmtsM
MicroBlaze Processor Reference Guide www.xilinx.com 119UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRmulMultiplyDescriptionMultiplies the conte
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120 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRmuli
MicroBlaze Processor Reference Guide www.xilinx.com 121UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRorLogical ORDescriptionThe contents of reg
122 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 4: MicroBlaze Instruction Set ArchitectureRoriL
MicroBlaze Processor Reference Guide www.xilinx.com 123UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRpcmpbfPattern Compare Byte FindDescription
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MicroBlaze Processor Reference Guide www.xilinx.com 125UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRpcmpnePattern Compare Not EqualDescription
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MicroBlaze Processor Reference Guide www.xilinx.com 127UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRrsubArithmetic Reverse SubtractDescription
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MicroBlaze Processor Reference Guide www.xilinx.com 129UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRrtbdReturn from Breakrn from InterruptDesc
MicroBlaze Processor Reference Guide www.xilinx.com 13UG081 (v6.0) June 1, 2006 1-800-255-7778Data Types and EndiannessRData Types and EndiannessMicro
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MicroBlaze Processor Reference Guide www.xilinx.com 131UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRrtedReturn from ExceptionDescriptionReturn
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MicroBlaze Processor Reference Guide www.xilinx.com 133UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRsbStore ByteDescriptionStoresthe contentso
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MicroBlaze Processor Reference Guide www.xilinx.com 135UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRsext16Sign Extend HalfwordDescriptionThis
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MicroBlaze Processor Reference Guide www.xilinx.com 137UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRshStore HalfwordDescriptionStores the cont
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MicroBlaze Processor Reference Guide www.xilinx.com 139UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRsraShift Right ArithmeticDescriptionShifts
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MicroBlaze Processor Reference Guide www.xilinx.com 141UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRsrlShift Right LogicalDescriptionShifts lo
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MicroBlaze Processor Reference Guide www.xilinx.com 143UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRswiStore Word ImmediateDescriptionStoresth
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MicroBlaze Processor Reference Guide www.xilinx.com 145UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRwicWrite to Instruction CacheDescriptionWr
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MicroBlaze Processor Reference Guide www.xilinx.com 147UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRxoriLogical Exclusive OR with ImmediateDes
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MicroBlaze Processor Reference Guide www.xilinx.com 15UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsR<< x Bit shift left x bitsand Logic A
16 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 1: MicroBlaze ArchitectureRADDIKC Rd,Ra,Imm 0011
MicroBlaze Processor Reference Guide www.xilinx.com 17UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRPUT Ra,FSLx 011011 00000 Ra 1000000000000 &
18 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 1: MicroBlaze ArchitectureRMTS Sd,Ra 100101 0000
MicroBlaze Processor Reference Guide www.xilinx.com 19UG081 (v6.0) June 1, 2006 1-800-255-7778InstructionsRBGTD Ra,Rb 100111 10100 Ra Rb 00000000000 P
MicroBlaze Processor Reference Guide www.xilinx.com UG081 (v6.0) June 1, 20061-800-255-7778© 2006 Xilinx, Inc. All Rights Reserved. XILINX, the Xilinx
20 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 1: MicroBlaze ArchitectureRRegistersMicroBlaze h
MicroBlaze Processor Reference Guide www.xilinx.com 21UG081 (v6.0) June 1, 2006 1-800-255-7778RegistersRGeneral Purpose RegistersThe thirty-two 32-bit
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MicroBlaze Processor Reference Guide www.xilinx.com 23UG081 (v6.0) June 1, 2006 1-800-255-7778RegistersR22 EIPException In Progress0 No hardware excep
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MicroBlaze Processor Reference Guide www.xilinx.com 25UG081 (v6.0) June 1, 2006 1-800-255-7778RegistersRException Status Register (ESR)The Exception S
26 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 1: MicroBlaze ArchitectureRBranch Target Registe
MicroBlaze Processor Reference Guide www.xilinx.com 27UG081 (v6.0) June 1, 2006 1-800-255-7778RegistersRFloating Point Status Register (FSR)The Floati
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MicroBlaze Processor Reference Guide www.xilinx.com 29UG081 (v6.0) June 1, 2006 1-800-255-7778RegistersR25 OP0EXEC Generate exception for 0x0illegal o
UG081 (v6.0) June 1, 2006 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778MicroBlaze Processor Reference GuideUG081 (v6.0) June 1, 20
30 www.xilinx.com MicroBlaze Processor Reference Guide1-800-255-7778 UG081 (v6.0) June 1, 2006Chapter 1: MicroBlaze ArchitectureR8:10 ICLL Instruction
MicroBlaze Processor Reference Guide www.xilinx.com 31UG081 (v6.0) June 1, 2006 1-800-255-7778Pipeline ArchitectureRPipeline ArchitectureMicroBlaze in
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MicroBlaze Processor Reference Guide www.xilinx.com 37UG081 (v6.0) June 1, 2006 1-800-255-7778Instruction CacheRPC ← 0x00000008Instruction CacheOvervi
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MicroBlaze Processor Reference Guide www.xilinx.com 39UG081 (v6.0) June 1, 2006 1-800-255-7778Data CacheR• Cache on and off controlled using a bit in
MicroBlaze Processor Reference Guide www.xilinx.com UG081 (v6.0) June 1, 20061-800-255-7778
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MicroBlaze Processor Reference Guide www.xilinx.com 57UG081 (v6.0) June 1, 2006 1-800-255-7778Xilinx CacheLink (XCL) Interface DescriptionRCacheLink T
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MicroBlaze Processor Reference Guide www.xilinx.com 59UG081 (v6.0) June 1, 2006 1-800-255-7778Debug Interface DescriptionR0b01=byte1 or halfword0, 0x1
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MicroBlaze Processor Reference Guide www.xilinx.com 61UG081 (v6.0) June 1, 2006 1-800-255-7778MicroBlaze Core ConfigurabilityRMicroBlaze Core Configurab
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MicroBlaze Processor Reference Guide www.xilinx.com 63UG081 (v6.0) June 1, 2006 1-800-255-7778MicroBlaze Core ConfigurabilityRC_USE_FPU Include hardwar
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MicroBlaze Processor Reference Guide www.xilinx.com 65UG081 (v6.0) June 1, 2006 1-800-255-7778RChapter 3MicroBlaze Application BinaryInterfaceScopeThi
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MicroBlaze Processor Reference Guide www.xilinx.com 67UG081 (v6.0) June 1, 2006 1-800-255-7778Stack ConventionR• Certain registers are usedas dedicate
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