Changes between Version 6 and Version 7 of kernel_tty0


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Timestamp:
Dec 8, 2014, 10:39:53 AM (10 years ago)
Author:
alain
Comment:

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  • kernel_tty0

    v6 v7  
    33[[PageOutline]]
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    5 The [source:soft/giet_vm/giet_common/tty0.c tty0.c] and [source:soft/giet_vm/giet_common/tty0.h tty0.h] files define the functions used to access the kernel terminal TTY[0]. The '''_put~''' functions do not take the lock protecting exclusive access to TTY0. The '''_printf''' function takes the lock protecting exclusive access to TTY0.
     5The [source:soft/giet_vm/giet_common/tty0.c tty0.c] and [source:soft/giet_vm/giet_common/tty0.h tty0.h] files define the functions used to access the kernel terminal TTY[0]. The '''_put~''' functions do not take the lock protecting exclusive access to TTY0, and are used by the boot code. The '''_printf''' function takes the SBT lock protecting exclusive access to TTY0, and is used by the kernel code.
    66
    77They are prefixed by "_" to remind that they can only be executed by a processor in kernel mode.