RTEMS Documentation Project
RTEMS CPU Architecture Supplement
5.c5749d0-modified
1. Preface
2. Port Specific Information
2.1. CPU Model Dependent Features
2.1.1. CPU Model Name
2.1.2. Floating Point Unit
2.2. Multilibs
2.3. Calling Conventions
2.3.1. Calling Mechanism
2.3.2. Register Usage
2.3.3. Parameter Passing
2.3.4. User-Provided Routines
2.4. Memory Model
2.4.1. Flat Memory Model
2.5. Interrupt Processing
2.5.1. Vectoring of an Interrupt Handler
2.5.2. Interrupt Levels
2.5.3. Disabling of Interrupts by RTEMS
2.6. Default Fatal Error Processing
2.7. Symmetric Multiprocessing
2.8. Thread-Local Storage
2.9. CPU counter
2.10. Interrupt Profiling
2.11. Board Support Packages
2.11.1. System Reset
3. ARM Specific Information
3.1. CPU Model Dependent Features
3.1.1. CPU Model Name
3.1.2. Count Leading Zeroes Instruction
3.1.3. Floating Point Unit
3.2. Multilibs
3.3. Calling Conventions
3.4. Memory Model
3.5. Interrupt Processing
3.5.1. Interrupt Levels
3.5.2. Interrupt Stack
3.6. Default Fatal Error Processing
3.7. Symmetric Multiprocessing
3.8. Thread-Local Storage
4. Atmel AVR Specific Information
4.1. CPU Model Dependent Features
4.1.1. Count Leading Zeroes Instruction
4.2. Calling Conventions
4.2.1. Processor Background
4.2.2. Register Usage
4.2.3. Parameter Passing
4.3. Memory Model
4.4. Interrupt Processing
4.4.1. Vectoring of an Interrupt Handler
4.4.2. Disabling of Interrupts by RTEMS
4.4.3. Interrupt Stack
4.5. Default Fatal Error Processing
4.6. Symmetric Multiprocessing
4.7. Thread-Local Storage
4.8. Board Support Packages
4.8.1. System Reset
5. Blackfin Specific Information
5.1. CPU Model Dependent Features
5.1.1. Count Leading Zeroes Instruction
5.2. Calling Conventions
5.2.1. Processor Background
5.2.2. Register Usage
5.2.3. Parameter Passing
5.3. Memory Model
5.4. Interrupt Processing
5.4.1. Vectoring of an Interrupt Handler
5.4.2. Disabling of Interrupts by RTEMS
5.4.3. Interrupt Stack
5.5. Default Fatal Error Processing
5.6. Symmetric Multiprocessing
5.7. Thread-Local Storage
5.8. Board Support Packages
5.8.1. System Reset
6. Epiphany Specific Information
6.1. Calling Conventions
6.1.1. Floating Point Unit
6.2. Memory Model
6.3. Interrupt Processing
6.3.1. Interrupt Levels
6.3.2. Interrupt Stack
6.4. Default Fatal Error Processing
6.5. Symmetric Multiprocessing
7. Intel/AMD x86 Specific Information
7.1. CPU Model Dependent Features
7.1.1. bswap Instruction
7.2. Calling Conventions
7.2.1. Processor Background
7.2.2. Calling Mechanism
7.2.3. Register Usage
7.2.4. Parameter Passing
7.3. Memory Model
7.3.1. Flat Memory Model
7.4. Interrupt Processing
7.4.1. Vectoring of Interrupt Handler
7.4.2. Interrupt Stack Frame
7.4.3. Interrupt Levels
7.4.4. Interrupt Stack
7.5. Default Fatal Error Processing
7.6. Symmetric Multiprocessing
7.7. Thread-Local Storage
7.8. Board Support Packages
7.8.1. System Reset
7.8.2. Processor Initialization
8. Lattice Mico32 Specific Information
8.1. CPU Model Dependent Features
8.2. Register Architecture
8.3. Calling Conventions
8.3.1. Calling Mechanism
8.3.2. Register Usage
8.3.3. Parameter Passing
8.4. Memory Model
8.5. Interrupt Processing
8.6. Default Fatal Error Processing
8.7. Symmetric Multiprocessing
8.8. Thread-Local Storage
8.9. Board Support Packages
8.9.1. System Reset
9. Renesas M32C Specific Information
10. M68xxx and Coldfire Specific Information
10.1. CPU Model Dependent Features
10.1.1. BFFFO Instruction
10.1.2. Vector Base Register
10.1.3. Separate Stacks
10.1.4. Pre-Indexing Address Mode
10.1.5. Extend Byte to Long Instruction
10.2. Calling Conventions
10.2.1. Calling Mechanism
10.2.2. Register Usage
10.2.3. Parameter Passing
10.3. Memory Model
10.4. Interrupt Processing
10.4.1. Vectoring of an Interrupt Handler
10.4.1.1. Models Without Separate Interrupt Stacks
10.4.1.2. Models With Separate Interrupt Stacks
10.4.2. CPU Models Without VBR and RAM at 0
10.4.3. Interrupt Levels
10.5. Default Fatal Error Processing
10.6. Symmetric Multiprocessing
10.7. Thread-Local Storage
10.8. Board Support Packages
10.8.1. System Reset
10.8.2. Processor Initialization
11. Xilinx MicroBlaze Specific Information
11.1. Symmetric Multiprocessing
11.2. Thread-Local Storage
12. MIPS Specific Information
12.1. CPU Model Dependent Features
12.1.1. Another Optional Feature
12.2. Calling Conventions
12.2.1. Processor Background
12.2.2. Calling Mechanism
12.2.3. Register Usage
12.2.4. Parameter Passing
12.3. Memory Model
12.3.1. Flat Memory Model
12.4. Interrupt Processing
12.4.1. Vectoring of an Interrupt Handler
12.4.2. Interrupt Levels
12.5. Default Fatal Error Processing
12.6. Symmetric Multiprocessing
12.7. Thread-Local Storage
12.8. Board Support Packages
12.8.1. System Reset
12.8.2. Processor Initialization
13. Altera Nios II Specific Information
13.1. Symmetric Multiprocessing
13.2. Thread-Local Storage
14. OpenRISC 1000 Specific Information
14.1. Calling Conventions
14.1.1. Floating Point Unit
14.2. Memory Model
14.3. Interrupt Processing
14.3.1. Interrupt Levels
14.3.2. Interrupt Stack
14.4. Default Fatal Error Processing
14.5. Symmetric Multiprocessing
15. PowerPC Specific Information
15.1. Multilibs
15.2. Application Binary Interface
15.3. Special Registers
15.4. Memory Model
15.5. Interrupt Processing
15.5.1. Interrupt Levels
15.5.2. Interrupt Stack
15.6. Default Fatal Error Processing
15.7. Symmetric Multiprocessing
15.8. Thread-Local Storage
15.9. 64-bit Caveats
16. RISC-V Specific Information
16.1. Calling Conventions
16.2. Multilibs
16.3. Interrupt Processing
16.3.1. Interrupt Levels
16.3.2. Interrupt Stack
16.4. Default Fatal Error Processing
16.5. Symmetric Multiprocessing
16.6. Thread-Local Storage
17. SuperH Specific Information
17.1. CPU Model Dependent Features
17.1.1. Another Optional Feature
17.2. Calling Conventions
17.2.1. Calling Mechanism
17.2.2. Register Usage
17.2.3. Parameter Passing
17.3. Memory Model
17.3.1. Flat Memory Model
17.4. Interrupt Processing
17.4.1. Vectoring of an Interrupt Handler
17.4.2. Interrupt Levels
17.5. Default Fatal Error Processing
17.6. Symmetric Multiprocessing
17.7. Thread-Local Storage
17.8. Board Support Packages
17.8.1. System Reset
17.8.2. Processor Initialization
18. SPARC Specific Information
18.1. CPU Model Dependent Features
18.1.1. CPU Model Feature Flags
18.1.1.1. CPU Model Name
18.1.1.2. Floating Point Unit
18.1.1.3. Bitscan Instruction
18.1.1.4. Number of Register Windows
18.1.1.5. Low Power Mode
18.1.2. CPU Model Implementation Notes
18.2. Calling Conventions
18.2.1. Programming Model
18.2.1.1. Non-Floating Point Registers
18.2.1.2. Floating Point Registers
18.2.1.3. Special Registers
18.2.2. Register Windows
18.2.3. Call and Return Mechanism
18.2.4. Calling Mechanism
18.2.5. Register Usage
18.2.6. Parameter Passing
18.2.7. User-Provided Routines
18.3. Memory Model
18.3.1. Flat Memory Model
18.4. Interrupt Processing
18.4.1. Synchronous Versus Asynchronous Traps
18.4.2. Vectoring of Interrupt Handler
18.4.3. Traps and Register Windows
18.4.4. Interrupt Levels
18.4.5. Disabling of Interrupts by RTEMS
18.4.6. Interrupt Stack
18.5. Default Fatal Error Processing
18.5.1. Default Fatal Error Handler Operations
18.6. Symmetric Multiprocessing
18.7. Thread-Local Storage
18.8. Board Support Packages
18.8.1. System Reset
18.8.2. Processor Initialization
18.9. Stacks and Register Windows
18.9.1. General Structure
18.9.2. Register Semantics
18.9.3. Register Windows and the Stack
18.9.4. Procedure epilogue and prologue
18.9.5. Procedures, stacks, and debuggers
18.9.6. The window overflow and underflow traps
19. SPARC-64 Specific Information
19.1. CPU Model Dependent Features
19.1.1. CPU Model Feature Flags
19.1.1.1. CPU Model Name
19.1.1.2. Floating Point Unit
19.1.1.3. Number of Register Windows
19.1.2. CPU Model Implementation Notes
19.1.2.1. sun4u Notes
19.1.3. sun4v Notes
19.2. Calling Conventions
19.2.1. Programming Model
19.2.1.1. Non-Floating Point Registers
19.2.1.2. Floating Point Registers
19.2.1.3. Special Registers
19.2.2. Register Windows
19.2.3. Call and Return Mechanism
19.2.4. Calling Mechanism
19.2.5. Register Usage
19.2.6. Parameter Passing
19.2.7. User-Provided Routines
19.3. Memory Model
19.3.1. Flat Memory Model
19.4. Interrupt Processing
19.4.1. Synchronous Versus Asynchronous Traps
19.4.2. Vectoring of Interrupt Handler
19.4.3. Traps and Register Windows
19.4.4. Interrupt Levels
19.4.5. Disabling of Interrupts by RTEMS
19.4.6. Interrupt Stack
19.5. Default Fatal Error Processing
19.5.1. Default Fatal Error Handler Operations
19.6. Symmetric Multiprocessing
19.7. Thread-Local Storage
19.8. Board Support Packages
19.8.1. HelenOS and Open Firmware
20. References
Index
RTEMS CPU Architecture Supplement
Docs
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13. Altera Nios II Specific Information
13. Altera Nios II Specific Information
¶
13.1. Symmetric Multiprocessing
¶
SMP is not supported.
13.2. Thread-Local Storage
¶
Thread-local storage is not implemented.