Interrupt Handlers and memory allocation

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1 total messages Started by Mike Sheketoff Fri, 22 Jan 1993 19:40

#7678

Author: Mike Sheketoff
Date: Fri, 22 Jan 1993 19:40

15 lines
1039 bytes

Hi,

I am writing a hardware interrupt handler and would like to know how to
allocate memory inside an interrupt handler.  (Assembler code would be
great!)  Right now I have the interrupt handler doing a software
interrupt to another function that does the allocation in high level.
This sort of works but when I go to allocate a 40K buffer, the PC hangs.
Also, sometimes, the PC hangs with a 10K buffer.  Other times, its happy
with 10K.

Eventually this will be converted to a device driver.

Please email to this account.  Thanks in advance.

Han

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