mirror of https://github.com/tailix/libkernaux.git
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
/**
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* @brief A driver for Intel 8259-compatible programmable interrupt controller
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*
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* @details
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* This is not a driver for a random Intel 8259-compatible PIC, but only for a
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* typical configuration of it that can be found in most PCs.
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*
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* @see https://en.wikipedia.org/wiki/Intel_8259
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* @see https://wiki.osdev.org/8259_PIC
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* @see https://pdos.csail.mit.edu/6.828/2005/readings/hardware/8259A.pdf
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*/
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#ifndef KERNAUX_INCLUDED_DRIVERS_INTEL_8259_PIC
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#define KERNAUX_INCLUDED_DRIVERS_INTEL_8259_PIC
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Enable PIC
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*/
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void kernaux_drivers_intel_8259_pic_enable_all();
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/**
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* @brief Disable PIC
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*/
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void kernaux_drivers_intel_8259_pic_disable_all();
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/**
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* @brief Enable single IRQ line
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*/
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void kernaux_drivers_intel_8259_pic_enable(unsigned char number);
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/**
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* @brief Disable single IRQ line
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*/
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void kernaux_drivers_intel_8259_pic_disable(unsigned char number);
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/**
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* @brief Remap PIC
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*/
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void kernaux_drivers_intel_8259_pic_remap(
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unsigned char new_master_start,
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unsigned char new_slave_start
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);
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/**
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* @brief Signal end of interrupt
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*/
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void kernaux_drivers_intel_8259_pic_eoi(unsigned char number);
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#ifdef __cplusplus
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}
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#endif
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#endif
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