T-Kernel Specification (1.B0.02)

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202 CHAPTER 4. T-KERNEL/OS FUNCTIONS they assign these numbers, doing so in a systematic way. In that way the combination of maker code and prid becomes a unique identifier of the T-Kernel type. [prid] prid Figure 4.12: prid Field Format The upper 4 bits of spver give the TRON specification series. The low 12 bits indicate the T-Kernel specification version implemented. The format of spver is shown in Figure 4.13. If, for example, a product conforms to the T-Kernel specification Ver 1.02.xx, spver is as follows. MAGIC = 0x7 (T-Kernel) SpecVerS = 0x102 (Ver 1.02) spver = 0x7102 If a product implements the T-Kernel specification draft version Ver 1.B0.xx, spver is as follows. MAGIC = 0x7 (T-Kernel) SpecVerS = 0x1B0 (Ver 1.B0) spver = 0x71B0 [spver] MAGIC SpecVer MAGIC: A number identifying the TRON specification series 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 TRON common (TAD, etc.) ITRON1, ITRON2 BTRON CTRON reserved µITRON µBTRON T-Kernel SpecVer: The version of the TRON specification on which the product is based. This is given as a three-digit packed-format BCD code. In the case of a draft version, the letter A, B, or C may appear in the second digit. In this case the corresponding hexadecimal form of A, B, or C is inserted. Figure 4.13: spver Field Format Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
4.9. SYSTEM MANAGEMENT FUNCTIONS 203 prver is the version number of the T-Kernel implementation. The specific values assigned to prver are left to the T-Kernel implementing vendor to decide. prno is a return parameter for use in indicating T-Kernel product management information, product number or the like. The specific meaning of values set in prno is left to the T-Kernel implementing vendor to decide. [Additional Notes] The format of the packet and structure members for getting version information is mostly uniform across the various TRON specifications, but the CPU information and variation descriptors are not specified. The value obtained by tk ref ver in SpecVer is the first three digits of the specification version number. The numbers after that indicate minor revisions such as those issued to correct misprints and the like, and are not obtained by tk ref ver. For the purpose of matching to the specification contents, the first three numbers of the specification version are sufficient. An OS implementing a draft version may have A, B, or C as the second number of SpecVer. It must be noted that in such cases the specification order of release may not correspond exactly to higher and lower SpecVer values. For example, specifications may be released in the following order: Ver 1.A1 → Ver 1.A2 → Ver 1.B1 → Ver 1.C1 → Ver 1.00 → Ver 1.01 → · · · In this example, when going from Ver 1.Cx to Ver 1.00, SpecVer goes from a higher to a lower value. Copyright c○ 2002, 2003 by T-Engine Forum T-Kernel 1.B0.02
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T-Kernel Specification T-Kernel 1.B
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Contents 1 T-Kernel Overview 1 1.1
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CONTENTS v tk set flg (Set Event Fl
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CONTENTS vii 5.2.2 Address Space Ch
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CONTENTS ix td cal que (Reference Q
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List of Figures 1.1 Position of T-K
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List of Tables 2.1 State Transition
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System Call Notation In the parts o
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Index of T-Kernel/OS System Calls T
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INDEX OF T-KERNEL/OS SYSTEM CALLS x
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Index of T-Kernel/SM Extended SVC L
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Index of T-Kernel/DS System Calls T
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Chapter 1 T-Kernel Overview 1.1 Pos
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1.2. SCALABILITY 3 • Middleware m
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Chapter 2 Concepts Underlying the T
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2.2. TASK STATES AND SCHEDULING RUL
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2.2. TASK STATES AND SCHEDULING RUL
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2.3. INTERRUPT HANDLING 11 preceden
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2.5. SYSTEM STATES 13 Transient sta
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2.7. MEMORY 15 which the upper and
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Chapter 3 Common T-Kernel Specifica
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3.2. SYSTEM CALLS 19 /* * Common co
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3.2. SYSTEM CALLS 21 Ordinarily a f
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3.3. HIGH-LEVEL LANGUAGE SUPPORT RO
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Chapter 4 T-Kernel/OS Functions Thi
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4.1. TASK MANAGEMENT FUNCTIONS 27 t
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4.2. TASK-DEPENDENT SYNCHRONIZATION
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4.3. TASK EXCEPTION HANDLING FUNCTI
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4.4. SYNCHRONIZATION AND COMMUNICAT
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4.5. EXTENDED SYNCHRONIZATION AND C
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4.6. MEMORY POOL MANAGEMENT FUNCTIO
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4.6. MEMORY POOL MANAGEMENT FUNCTIO
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5.7. SYSTEM CONFIGURATION INFORMATI
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5.7. SYSTEM CONFIGURATION INFORMATI
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5.8. SUBSYSTEM AND DEVICE DRIVER ST
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260 CHAPTER 6. T-KERNEL/DS FUNCTION
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284 CHAPTER 7. REFERENCE INT tevptn
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286 CHAPTER 7. REFERENCE ER ercd =
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288 CHAPTER 7. REFERENCE INT ct = t
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290 CHAPTER 7. REFERENCE E OACV ERC
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T-Kernel Specification (1.B0.02)

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