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CHAPTER 2 Developing Application Systems
■ Processing steps from starting the system until the user tasks start
Figure 2.9 shows the processing steps when REALOS/907 starts.
Figure 2.9 Processing Steps When REALOS/907 Starts
Kernel initialization processing
Reset entry routine
Kernel data initialization routine
Initialize handler
User tasks
Perform the required task
Other user initialization processing
Task
(Maximum priority)
Semaphore
Task Task Handler Handler
Eventflag Mailbox Memorypool
Peripheral device Peripheral device
and handler initialization
Reset
• •
Start