work on interrupts
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@ -652,6 +652,15 @@ cop_ioctl:
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; structure of the kernel. This allows the shell to be unloaded when running anoter
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; structure of the kernel. This allows the shell to be unloaded when running anoter
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; program, and to restore its state when that program exits.
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; program, and to restore its state when that program exits.
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;
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;
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; Internally, the kernel loads the environment from a serialized data file on SD,
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; called `shell.env`. This file consists of string keys and values, one each per
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; line, delineated by the `:=` character sequence. String keys are case-sensitive.
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; The SDK will provide library functions for managing the environment.
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;
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; The kernel also uses the data in the shell environment to determine which program
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; is loaded into memory as the shell -- rather than re-read the shell binary from
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; SD every time, it caches the PGZ file in memory and unpacks it as needed.
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;
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; Arguments: None
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; Arguments: None
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; Return Value:
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; Return Value:
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; A: Environment bank
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; A: Environment bank
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