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UG111 (v1.4) January 30, 2004 1-800-255-7778
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Chapter 20
Microprocessor Library Definition
(MLD)
This chapter describes the Microprocessor Library Definition(MLD) format, Platform
Specification Format 2.1.0. The chapter contains the following sections.
x “Overview”
x “Requirements”
x “Library Definition Files”
x “MLD Format Specification”
x “Example”
x “MLD Parameter Description Section”
x “Design Rule Check (DRC) Section”
x “Library Generation (Generate) Section”
Overview
An MLD file contains directives for customizing software libraries and generating Board
Support Packages (BSP) for Operating Systems (OS). This document describes the MLD
format and the parameters that can be used to customize libraries and OS’es. For all EDK
libraries and OS’es, the user does not need to peruse this document. Reading this
document is recommended for user-written libraries and OS’es that need to be configured
by li/jointfilesconvert/328590/bgen tool.
Requirements
Each OS/library has an MLD file and a Tcl(Tool Command Language) file associated with
it. The MLD file is used by the Tcl file to customize the OS/library depending on different
options in the MSS file. For more information on the MSS file format, please see Chapter 19,
“Microprocessor Software Specification (MSS).”
The OS/library source files and the MLD file for each OS/library must be located at
specific directories in order for li/jointfilesconvert/328590/bgen to find the files and the libraries. Please refer to
Chapter 7, “Library Generator,” for a list of directories searched for OS’es and libraries.
Library Definition Files
Library Definition involves defining a Data Definition file (MLD) and a Data Generation
file (Tcl file).
- Embedded System 1
- Tools Guide 1
- 1-800-255-7778 2
- Embedded System Tools Guide 3
- UG111 (v1.4) January 30, 2004 3
- About This Guide 5
- Additional Resources 6
- Typographical 7
- Online Document 8
- Table of Contents 9
- Chapter 7: Library Generator 13
- Chapter 12: GNU Debugger 18
- Chapter 1 27
- Tool Flows 28
- Software Platform Creation 29
- Figure 1-4: Software Platform 30
- Some Useful Tools 31
- Software Debugging 32
- Verifying Tools Setup 34
- Xilinx Platform Studio (XPS) 35
- Tools Supported 36
- Project Management 37
- Opening An Existing Project 38
- Getting Help 38
- XPS Interface 39
- System Tab 40
- Applications Tab 40
- Transcript Window (Output) 40
- Platform Management 41
- Library and O/S Parameters 42
- Adding Files 42
- Deleting Files from Project 42
- Editing Files 43
- Xmdstub Software Applications 43
- Environment 44
- Optimization 44
- Directories 44
- Advanced 44
- Project Options 45
- Device and Repository 46
- Hierarchy and Flow 46
- HDL and Simulation 47
- Debug and Simulation 49
- PBD Editor 49
- PBD Editor Workspace 50
- System Tabs 51
- Naming an Instance 52
- Setting Symbol Properties 53
- Connecting Ports 54
- Editing the Block Diagram 56
- Viewing Object Information 57
- Zooming in the Workspace 57
- XPS “No Window” Mode 58
- Available Commands 59
- Creating A New Empty Project 59
- Reading MSS File 60
- Saving Files and Project 60
- Setting Project Options 60
- Executing Flow Commands 61
- Adding a Software Application 62
- Option Name Description 63
- Closing A Project and Exiting 64
- Limitations And Workarounds 64
- Base System Builder 65
- Selecting A Processor 67
- BSB Flow 69
- Adding Internal Peripherals 70
- Configuring Software Settings 71
- Exiting BSB 74
- Chapter 4 77
- Creating New Peripherals 79
- Select Bus Interface 80
- Select IPIF Services 80
- Table 4-3: IPIF Services 81
- IPIF Feature Description 81
- Configure FIFOs 82
- Configure Interrupt Handling 82
- Configure Address Ranges 84
- Configure the IPIC 85
- Select Source File Types 88
- HDL Source Files 88
- HDL Analysis Information 89
- Bus Interfaces 91
- Netlist files 95
- Documentation files 96
- Finishing Peripheral Import 96
- Directory or file Description 97
- Platform Generator 99
- Tool Options 100
- <Library Name> 101
- -lp <library_path> 101
- About Memory Generation 102
- BMM Policy 103
- Reserved MHS Parameters 104
- Current Limitations 105
- Synthesis Netlist Cache 105
- Chapter 5: Platform Generator 106
- Simulation Model Generator 107
- Simulation Basics 108
- Simulation Libraries 108
- EDK Library 109
- Simulation Models 110
- Behavioral Models 111
- Structural Models 111
- SimGen Syntax 112
- Output Files 114
- Memory Initialization 115
- Simulating Your Design 115
- Library Generator 117
- -xmdstub proc_inst_name 119
- -executable proc_inst_name 119
- Load Path 120
- MDD/MLD and Tcl 123
- MSS Parameters 124
- Libraries 124
- STDIN and STDOUT Peripherals 126
- Chapter 8 127
- Signal Naming Conventions 129
- Invoking PsfUtility 129
- Non-Exclusive Bus Interfaces 130
- Exclusive Bus Interfaces 130
- BRAM PORTS 130
- Global IP Core Options 131
- Properties on Ports 132
- DRC Checks in PsfUtility 133
- Verilog Language Support 134
- VHDL Peripheral Definitions 134
- Reserved Parameters 136
- Global Ports 139
- Slave DCR Ports 139
- Slave LMB Ports 140
- Master OPB Ports 141
- Slave OPB Ports 142
- Master/Slave OPB Ports 143
- Master PLB Ports 144
- Slave PLB Ports 145
- PLB Slave Outputs 146
- PLB Slave Inputs 146
- "M:OPB_SLAVE"; 149
- "ACTIVE"; 151
- "VHDL"; 151
- "PERIPHERAL"; 152
- "LOGICORE"; 152
- "my_lic_val"; 153
- "TRUE"; 153
- "BRAM_CNTLR"; 153
- MIN_SIZE Attribute 154
- ADDRESS and PAIR Attribute 155
- XRANGE Attribute 155
- THREE_STATE Attribute 156
- IOB_STATE Attribute 157
- SIGIS Attribute 157
- INITIALVAL Attribute 158
- BUSIF Attribute 158
- SIGVAL Attribute 158
- Format Revision Tool 159
- Revup from EDK 3.2 to EDK 6.1 160
- Bitstream Initializer 161
- GNU Compiler Tools 163
- GNU Compiler Framework 164
- Please note that the 165
- Compiler Options 166
- Compiler Usage and Options 167
- -l libraryname 168
- -L Lib Directory 168
- -I Directory Name 168
- Linker Options 169
- Linker Scripts 169
- Search Paths 169
- File Extensions 170
- Compiler Interface 171
- MicroBlaze GNU Compiler 172
- MicroBlaze Assembler 174
- MicroBlaze Linker 175
- Initialization Files 176
- Command Line Arguments 177
- Interrupt Handlers 177
- PowerPC GNU Compiler 178
- GNU Debugger 179
- Tool Usage 180
- MicroBlaze GDB Targets 181
- GDB Built-in Simulator 182
- PowerPC Targets 183
- GDB Command Reference 184
- Chapter 13 185
- XMD Usage 186
- PowerPC Target 188
- JTAG chain options 189
- PPC405 options 189
- PowerPC Target Requirements 190
- PowerPC 405 191
- PowerPC Simulator Target 195
- Cycle_Accurate 196
- MicroBlaze MDM Target 197
- MDM Target options 198
- JTAG cable options 198
- MicroBlaze options 199
- MDM Target requirements 199
- JTAG-based UART in MDM 204
- MicroBlaze Stub Target 208
- Serial Port options 209
- Local Memory 210
- MicroBlaze Simulator Target 211
- XMD Internal Tcl Commands 212
- Chapter 14 215
- File and IP Naming Rules 216
- Is Your IP Pure HDL? 218
- Chapter 15 219
- Comments 220
- MHS Example 220
- MHS Syntax 221
- Bus Interface 222
- Global Parameter 223
- Local Parameter 224
- Local Bus Interface 224
- Global Port 225
- SENSITIVITY 226
- Local Port 227
- Design Considerations 227
- Unconnected Ports 228
- Constant Assignments 228
- Concatenation 228
- Internal vs. External Signals 229
- External Interrupt Signals 229
- Chapter 16 231
- MPD Example 232
- Bus Interface Keywords 234
- EXCLUDE_BUSIF 235
- SHARES_ADDR 235
- IO Interface 236
- Option Keywords 237
- ADDR_SLICE 238
- ARCH_SUPPORT 239
- CORE_STATE 239
- IMP_NETLIST 240
- IP_GROUP 240
- IPLEVEL_DRC_PROC 241
- IS_COMPATIBLE_WITH 241
- SYSLEVEL_DRC_PROC 243
- TCL_FILE 243
- USAGE_LEVEL 243
- Parameter 244
- Table 16-11: ADDRESS Values 245
- ADDRESS Definition 245
- ADDR_TYPE 246
- ASSIGNMENT 246
- BITWIDTH 246
- BRIDGE_TO 246
- CACHEABLE 247
- GUI_PERMIT 247
- IPLEVEL_UPDATE_PROC 248
- LONG_DESC 248
- MIN_SIZE 248
- Parameter Naming Conventions 249
- Port Keywords 250
- ASSIGNMENT Definition 252
- INTERRUPT_PRIORITY 253
- IOB_STATE 254
- INITIALVAL 254
- THREE_STATE 255
- Port Naming Conventions 256
- DCR Slave Inputs 257
- LMB Slave Outputs 257
- LMB Slave Inputs 257
- OPB Master Outputs 258
- OPB Master Inputs 258
- OPB Slave Outputs 258
- OPB Slave Inputs 259
- PLB Master Outputs 259
- PLB Master Inputs 260
- Reserved Parameter Names 261
- C_NUM_MASTERS 263
- C_NUM_SLAVES 263
- C_DCR_AWIDTH 263
- C_DCR_DWIDTH 263
- C_DCR_NUM_SLAVES 263
- C_LMB_AWIDTH 264
- C_LMB_DWIDTH 264
- C_LMB_MASK 264
- C_LMB_NUM_SLAVES 264
- C_OPB_AWIDTH 264
- C_OPB_DWIDTH 265
- C_OPB_NUM_MASTERS 265
- C_OPB_NUM_SLAVES 265
- C_PLB_AWIDTH 265
- C_PLB_DWIDTH 265
- Reserved Port Connections 266
- Scalable Data path 270
- Interrupt Signals 270
- 3-state (InOut) Signals 271
- Chapter 17 273
- Black-Box Definition (BBD) 275
- BBD Examples 276
- Chapter 19 277
- Requirements 278
- MSS Example 278
- Global Parameters 279
- Instance Specific Parameters 280
- PROC_INSTANCE Option 281
- HW_INSTANCE Option 281
- OS_NAME Option 281
- OS_VER Option 281
- DRIVER_NAME Option 281
- DRIVER_VER Option 282
- INT_HANDLER Option 282
- LIBRARY_NAME Option 282
- LIBRARY_VER Option 282
- MDD/MLD Specific Parameters 283
- OS Specific Parameters 283
- Processor Specific Parameters 284
- COMPILER_FLAGS Option 285
- EXTRA_COMPILER_FLAGS Option 285
- Chapter 20 287
- MLD Format Specification 288
- Example Tcl File of a library 290
- Example MLD file for an OS 291
- Example Tcl File of an OS 291
- Conventions 292
- OS/Library Definition 292
- Keywords 293
- Chapter 21 297
- MDD Format Specification 298
- MDD file example 299
- Example Tcl File 300
- MDD Parameter Description 301
- Address Management 307
- Special Addresses 308
- OPB Address Range Details 308
- Address Map 308
- Memory Speeds and Latencies 309
- System Address Space 309
- Default User Address Space 310
- Advanced User Address Space 310
- Object-file Sections 311
- UG111_11_111903 312
- Minimal Linker Script 313
- Linker Script 313
- MicroBlaze Processor 315
- PowerPC Processor 316
- Default Linker Options 317
- Interrupt Management 323
- UG111_13_111903 325
- Limitations 326
- External Interrupt Port 327
- PowerPC Interrupt Management 328
- Libgen Customization 329
- Example Systems 330
- Example MHS File Snippet 331
- Example MSS File snippet 331
- Example C Program 331
- Procedure 333
- Example Systems for PowerPC 337
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