34 lines
924 B
C
34 lines
924 B
C
#ifndef BIOSINT_H
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#define BIOSINT_H
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/**
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* @file BIOS interrupts
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <realmode.h>
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struct segoff;
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/**
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* Hooked interrupt count
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*
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* At exit, after unhooking all possible interrupts, this counter
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* should be examined. If it is non-zero, it means that we failed to
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* unhook at least one interrupt vector, and so must not free up the
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* memory we are using. (Note that this also implies that we should
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* re-hook INT 15 in order to hide ourselves from the memory map).
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*/
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extern uint16_t __text16 ( hooked_bios_interrupts );
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#define hooked_bios_interrupts __use_text16 ( hooked_bios_interrupts )
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extern void hook_bios_interrupt ( unsigned int interrupt, unsigned int handler,
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struct segoff *chain_vector );
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extern int unhook_bios_interrupt ( unsigned int interrupt,
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unsigned int handler,
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struct segoff *chain_vector );
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#endif /* BIOSINT_H */
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