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25 lines
587 B
Plaintext
25 lines
587 B
Plaintext
RSEG ICODE:CODE
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CODE32
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EXTERN vSerialISR
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PUBLIC vSerialISREntry
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; Wrapper for the serial port interrupt service routine. This can cause a
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; context switch so requires an assembly wrapper.
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; Defines the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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#include "ISR_Support.h"
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vSerialISREntry:
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portSAVE_CONTEXT ; Save the context of the current task.
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bl vSerialISR ; Call the ISR routine.
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portRESTORE_CONTEXT ; Restore the context of the current task -
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; which may be different to the task that
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; was interrupted.
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END
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