mirror of https://github.com/tailix/kernel.git
Fix hardware interrupts
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parent
d625623625
commit
9e55308d5f
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@ -1,43 +1,37 @@
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#include "main.h"
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#include "main.h"
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#include <drivers/console.h>
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#include <stddef.h>
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#include <drivers/intel_8259_pic.h>
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#include <drivers/intel_8259_pic.h>
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static hwint_handler_t handlers[INT_HWINT_COUNT] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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static hwint_handler_t handlers[INT_HWINT_COUNT] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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};
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void hwint_handler(struct IsrRegisters regs)
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void hwint_handler(struct IsrRegisters regs)
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{
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{
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if (regs.int_no >= INT_HWINT_COUNT) return;
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if (regs.int_no < INT_HWINT_FIRST || regs.int_no > INT_HWINT_LAST) return;
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const unsigned int hwint_no = regs.int_no - INT_HWINT_FIRST;
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const unsigned char hwint_no = regs.int_no - INT_HWINT_FIRST;
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const hwint_handler_t handler = handlers[hwint_no];
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const hwint_handler_t handler = handlers[hwint_no];
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if (handler) handler();
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if (!handler) {
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drivers_console_printf("[WARN] hwint: Unhandled hardware interrupt: %u\n", hwint_no);
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return;
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}
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handler();
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drivers_intel_8259_pic_eoi(regs.int_no);
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drivers_intel_8259_pic_eoi(regs.int_no);
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}
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}
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void hwint_register_handler(unsigned int int_no, hwint_handler_t handler)
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void hwint_register_handler(unsigned int hwint_no, hwint_handler_t handler)
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{
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{
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if (int_no >= INT_HWINT_COUNT) {
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if (hwint_no >= INT_HWINT_COUNT) return;
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return;
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}
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handlers[int_no] = handler;
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handlers[hwint_no] = handler;
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drivers_intel_8259_pic_enable(int_no);
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drivers_intel_8259_pic_enable(hwint_no);
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}
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}
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void hwint_unregister_handler(unsigned int int_no)
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void hwint_unregister_handler(unsigned int hwint_no)
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{
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{
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if (int_no >= INT_HWINT_COUNT) {
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if (hwint_no >= INT_HWINT_COUNT) return;
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return;
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}
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drivers_intel_8259_pic_disable(int_no);
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drivers_intel_8259_pic_disable(hwint_no);
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handlers[int_no] = 0;
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handlers[hwint_no] = NULL;
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}
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}
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@ -73,8 +73,8 @@ void interrupt_0x80();
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typedef void(*hwint_handler_t)();
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typedef void(*hwint_handler_t)();
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void hwint_register_handler(unsigned int int_no, hwint_handler_t handler);
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void hwint_register_handler(unsigned int hwint_no, hwint_handler_t handler);
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void hwint_unregister_handler(unsigned int int_no);
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void hwint_unregister_handler(unsigned int hwint_no);
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