Intel Galileo Gen 2 Board manuali

Intel Galileo Gen 2 Board Specifiche (311 pagine)

Marchio: Intel | Categoria: Schede di sviluppo | Dimensione: 2.37 MB |

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Indice

Quark SoC X1000 Core

1

2 Order Number: 329679-001US

2

Revision History

3

Contents

4

1.0 About this Manual

17

1.2 Notation Conventions

18

1.3 Special Terminology

19

1.4 Related Documents

20

2.0 Intel

21

3.0 Architectural Overview

22

3.3.1 Address Spaces

23

3.3.2 Segment Register Usage

24

3.4 I/O Space

25

3.5 Addressing Modes

25

Example: MOV ECX, [EAX+24]

26

Example: ADD EAX, TABLE[ESI]

26

A5159-01

27

3.6 Data Types

28

3.6.1.1 Unsigned Data Types

29

3.6.1.2 Signed Data Types

29

3.6.1.3 BCD Data Types

30

3.6.1.5 String Data Types

30

3.6.1.6 ASCII Data Types

31

3.6.1.7 Pointer Data Types

32

3.7 Interrupts

33

3.7.2 Interrupt Processing

34

3.7.3 Maskable Interrupt

34

3.7.4 Non-Maskable Interrupt

35

3.7.5 Software Interrupts

36

3.7.7 Instruction Restart

37

3.7.8 Double Fault

38

4.1 Register Set Overview

39

4.2 Floating-Point Registers

39

4.3.2 Instruction Pointer

41

4.3.3 Flags Register

41

4.3.4 Segment Registers

44

4.4 System-Level Registers

45

4.4.1 Control Registers

46

A5150-01

53

4.5.2 Floating-Point Tag Word

54

A5152-01

55

IP Offset

59

Tag Word

60

16-Bit Protected Mode Format

60

4.5.5 FPU Control Word

61

4.6 Debug and Test Registers

62

4.7 Register Accessibility

62

4.7.1 FPU Register Usage

63

4.9 Intel

64

5.0 Real Mode Architecture

65

5.2 Memory Addressing

66

5.3 Reserved Locations

66

5.4 Interrupts

67

5.5 Shutdown and Halt

67

6.1 Addressing Mechanism

68

6.2 Segmentation

69

6.2.2 Terminology

70

6.2.3 Descriptor Tables

70

6.2.4.2 Intel

72

≤ limit

74

1Writeable (W)

74

Offset 31...16 P

76

6.2.4.7 Selector Fields

77

6.3 Protection

81

6.3.3.1 Task Privilege

82

Figure 36. Intel

84

6.3.3.4 Privilege Validation

85

6.3.3.5 Descriptor Access

85

6.3.5 Call Gates

87

6.3.6 Task Switching

88

6.4.2.1 Page Mechanism

91

6.4.2.3 Page Directory

92

6.4.2.4 Page Tables

92

6.4.3.1 PDPTE Registers

93

6.4.4 #GP Faults for Intel

100

6.4.5 Access Rights

100

6.4.9 Page-Fault Exceptions

104

6.4.10 Paging Operation

106

6.5 Virtual 8086 Environment

107

6.5.5 Interrupt Handling

110

7.0 On-Chip Cache

114

Quark SoC X1000 Core Cache

115

7.2 Cache Control

116

7.3 Cache Line Fills

117

7.4 Cache Line Invalidations

118

7.5 Cache Replacement

118

7.6 Page Cacheability

119

Quark SoC X1000 Core and

121

Processor Page Cacheability

121

7.7 Cache Flushing

122

7.8 Write-Back Enhanced Intel

123

Quark SoC X1000 Core Write

123

Back Cache Architecture

123

Enhanced Intel

125

8.1 SMM Overview

127

8.2 Terminology

127

A5237-01

128

8.3.2 SMI# Active (SMIACT#)

129

A5232-01

130

8.3.3.1 SMRAM State Save Map

131

Register Writeable?

132

8.3.4 Exit From SMM

133

8.4.2 Processor Environment

135

8.5 SMM Features

138

8.5.3 I/O Instruction Restart

139

8.5.4 SMM Base Relocation

140

8.6.1 SMRAM Interface

141

8.6.2 Cache Flushes

142

A5238-01

143

Quark SoC X1000 Core System

144

A5240-01

145

8.6.2.2 Snoop During SMM

146

8.7.1 SMM Code Considerations

147

8.7.2 Exception Handling

148

8.7.3 Halt During SMM

148

9.0 Hardware Interface

149

9.2 Signal Descriptions

150

9.2.3 Data Lines (D[31:0])

151

9.2.4 Parity

151

9.2.5 Bus Cycle Definition

152

9.2.6 Bus Control

153

9.2.8.1 Reset Input (RESET)

154

9.2.9 Bus Arbitration Signals

156

9.2.9.4 Backoff Input (BOFF#)

157

9.2.11 Cache Control

158

9.2.13 RESERVED#

159

Other Enhanced Bus Features

161

9.2.17.2 Cache Flush (FLUSH#)

162

9.2.17.4 Soft Reset (SRESET)

163

9.2.18.1 Test Clock (TCK)

164

9.3.1 Interrupt Logic

166

9.3.2 NMI Logic

166

9.3.3 SMI# Logic

166

9.4 Write Buffers

167

9.5 Reset and Initialization

169

(Sheet 1 of 2)

170

(Sheet 2 of 2)

171

9.6 Clock Control

174

During Stop Grant State

176

9.6.4.1 Normal State

177

9.6.4.2 Stop Grant State

177

4. Auto HALT Power Down State

178

1. Normal State

178

2. Stop Grant State

178

5. Stop Clock Snoop State

178

3. Stop Clock State

178

9.6.4.3 Stop Clock State

179

9.6.5.1 Normal State

180

9.6.5.2 Stop Grant State

181

9.6.5.3 Stop Clock State

182

10.0 Bus Operation

184

Physical Memory

185

I/O Space

185

BE2# BE1# BE0#

186

BHE# BLE#

186

10.1.5 Operand Alignment

192

10.2 Bus Arbitration Logic

193

10.3.1.1 No Wait States

196

10.3.2.1 Burst Cycles

198

242202-033

200

10.3.3 Cacheable Cycles

201

242202-035

203

242202-036

204

10.3.4 Burst Mode Details

205

242202-038

206

242202-039

207

242202-067

208

10.3.5 8- and 16-Bit Cycles

209

242202-069

210

10.3.6 Locked Cycles

211

10.3.7 Pseudo-Locked Cycles

212

10.3.8 Invalidate Cycles

213

242202-091

214

242202-092

214

Address, Data and

216

Control Bus

216

10.3.9 Bus Hold

217

242202-146

218

10.3.10 Interrupt Acknowledge

219

10.3.11 Special Bus Cycles

220

BRDY# or RDY#

221

ADDR Data

221

10.3.12 Bus Cycle Restart

222

242202-147

223

10.3.13 Bus States

224

Quark SoC X1000

225

10.4.2 Burst Cycles

227

10.4.3.2 Snoop under AHOLD

230

242202-150

231

242202-151

232

Fill Cont

233

242202-153

234

10.4.3.4 Snoop under BOFF#

235

Linefill

236

40 04C80C8

236

10.4.3.5 Snoop under HOLD

237

10.4.4 Locked Cycles

239

242202-158

240

10.4.4.1 Snoop/Lock Collision

241

10.4.6 Pseudo Locked Cycles

242

Write Back Cycle

243

11.0 Debugging Support

246

12.0 Instruction Set Summary

252

12.2 Instruction Encoding

253

(No “s-i-b” Byte Present)

259

12.2.5 Intel

263

12.2.5.2 RDMSR

264

12.2.5.3 RDTSC

264

12.2.5.4 WRMSR

264

12.3 Clock Count Summary

265

CCCC = Jump on cccc

272

18 2 R,7,22

273

17 2 R,7,22

274

2(

281

Table 95. Intel

291

Appendix B Testability

296

B.1.2 Cache Testability Write

297

B.1.3 Cache Testability Read

298

B.1.4 Flush Cache

299

B.2.3 TLB Write Test

303

B.3 Intel

304

Quark SoC X1000 Core JTAG

304

B.3.1.2 Run-Test/Idle State

305

B.3.1.3 Select-DR-Scan State

305

B.3.1.4 Capture-DR State

306

B.3.1.5 Shift-DR State

306

B.3.1.6 Exit1-DR State

306

B.3.1.7 Pause-DR State

306

B.3.1.8 Exit2-DR State

306

B.3.1.15 Exit2-IR State

308

B.3.1.16 Update-IR State

308

C.1 CPUID Instruction

309

C.2 Intel

311

Quark SoC X1000 Stepping

311

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