2015-08-17 16:41:38 +00:00
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#ifndef ISR_H
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#define ISR_H
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2015-08-18 08:31:28 +00:00
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#include <stdint.h>
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2015-08-17 16:41:38 +00:00
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/* ISRs reserved for CPU exceptions */
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extern void isr0();
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extern void isr1();
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extern void isr2();
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extern void isr3();
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extern void isr4();
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extern void isr5();
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extern void isr6();
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extern void isr7();
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extern void isr8();
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extern void isr9();
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extern void isr10();
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extern void isr11();
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extern void isr12();
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extern void isr13();
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extern void isr14();
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extern void isr15();
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extern void isr16();
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extern void isr17();
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extern void isr18();
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extern void isr19();
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extern void isr20();
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extern void isr21();
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extern void isr22();
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extern void isr23();
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extern void isr24();
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extern void isr25();
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extern void isr26();
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extern void isr27();
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extern void isr28();
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extern void isr29();
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extern void isr30();
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extern void isr31();
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/* IRQ definitions */
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extern void irq0();
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extern void irq1();
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extern void irq2();
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extern void irq3();
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extern void irq4();
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extern void irq5();
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extern void irq6();
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extern void irq7();
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extern void irq8();
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extern void irq9();
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extern void irq10();
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extern void irq11();
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extern void irq12();
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extern void irq13();
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extern void irq14();
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extern void irq15();
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#define IRQ0 32
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#define IRQ1 33
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#define IRQ2 34
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#define IRQ3 35
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#define IRQ4 36
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#define IRQ5 37
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#define IRQ6 38
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#define IRQ7 39
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#define IRQ8 40
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#define IRQ9 41
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#define IRQ10 42
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#define IRQ11 43
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#define IRQ12 44
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#define IRQ13 45
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#define IRQ14 46
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#define IRQ15 47
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2015-08-28 08:52:05 +00:00
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/* Struct which aggregates many registers.
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* It matches exactly the pushes on interrupt.asm. From the bottom:
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* - Pushed by the processor automatically
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* - `push byte`s on the isr-specific code: error code, then int number
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* - All the registers by pusha
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* - `push eax` whose lower 16-bits contain DS
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*/
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2015-08-17 16:41:38 +00:00
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typedef struct {
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2015-08-18 08:31:28 +00:00
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uint32_t ds; /* Data segment selector */
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2015-08-18 09:44:24 +00:00
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uint32_t edi, esi, ebp, useless, ebx, edx, ecx, eax; /* Pushed by pusha. */
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2015-08-18 08:31:28 +00:00
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uint32_t int_no, err_code; /* Interrupt number and error code (if applicable) */
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2015-08-18 09:44:24 +00:00
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uint32_t eip, cs, eflags, esp, ss; /* Pushed by the processor automatically */
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2015-08-17 16:41:38 +00:00
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} registers_t;
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void isr_install();
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2015-08-28 08:52:05 +00:00
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void isr_handler(registers_t *r);
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2015-08-17 16:41:38 +00:00
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void irq_install();
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2015-08-28 08:52:05 +00:00
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typedef void (*isr_t)(registers_t*);
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2015-08-18 08:31:28 +00:00
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void register_interrupt_handler(uint8_t n, isr_t handler);
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2015-08-17 16:41:38 +00:00
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#endif
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