40 lines
735 B
C
40 lines
735 B
C
/* interrupt.h */
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#ifndef _LINUX_INTERRUPT_H
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#define _LINUX_INTERRUPT_H
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struct bh_struct {
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void (*routine)(void *);
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void *data;
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};
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extern unsigned long bh_active;
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extern unsigned long bh_mask;
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extern struct bh_struct bh_base[32];
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/* Who gets which entry in bh_base. Things which will occur most often
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should come first. */
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enum {
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TIMER_BH = 0,
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CONSOLE_BH,
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SERIAL_BH,
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TTY_BH,
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INET_BH,
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KEYBOARD_BH
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};
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extern inline void mark_bh(int nr)
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{
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__asm__ __volatile__("btsl %1,%0":"=m" (bh_active):"ir" (nr));
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}
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extern inline void disable_bh(int nr)
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{
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__asm__ __volatile__("btcl %1,%0":"=m" (bh_mask):"ir" (nr));
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}
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extern inline void enable_bh(int nr)
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{
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__asm__ __volatile__("btsl %1,%0":"=m" (bh_mask):"ir" (nr));
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}
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#endif
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