Changes between Version 41 and Version 42 of io_operations


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Timestamp:
Jan 16, 2018, 10:31:27 PM (4 years ago)
Author:
alain
Comment:

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  • io_operations

    v41 v42  
    140140To reduce various synchronisation mechanisms, ALMOS-MKH uses IPIs (Inter Processor Interrupt) : Any kernel instance, running on any corein any cluster can send an IPI to any other core in the architecture, using a remote write access to the relevant register in the PIC infrastructure. An IPI is handled as a special interrupt by the target core, and simply forces a scheduling on the target core.
    141141
    142 == H) Text terminals ==
     142== H) Text Terminals ==
    143143
    144144The target hardware architectures generally provide a variable - but bounded - number of text terminals (called TXT channels in ALMOS-MKH). This NB_TXT_CHANNELS number is an hardware parameter defined in the ''arch_info.bin'' file. We describe here how ALMOS-MKH uses these terminals: