Espresso 0.0.1c
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@ -16,16 +16,16 @@
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*/
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typedef struct {
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uint16_t isr_low; // The lower 16 bits of the ISR's address
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uint16_t kernel_cs; // The GDT segment selector that the CPU will load into CS before calling the ISR
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uint8_t reserved; // Set to zero
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uint8_t attributes; // Type and attributes; see the IDT page
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uint16_t isr_high; // The higher 16 bits of the ISR's address
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uint16_t isr_low; // The lower 16 bits of the ISR's address
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uint16_t kernel_cs; // The GDT segment selector that the CPU will load into CS before calling the ISR
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uint8_t reserved; // Set to zero
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uint8_t attributes; // Type and attributes; see the IDT page
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uint16_t isr_high; // The higher 16 bits of the ISR's address
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} __attribute__((packed)) idt_entry_t;
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typedef struct {
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uint16_t limit;
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uint32_t base;
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uint16_t limit;
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uint32_t base;
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} __attribute__((packed)) idtr_t;
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__attribute__((aligned(0x10)))
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@ -81,7 +81,8 @@ void exception_dispatcher(uint32_t int_no, uint32_t err_code)
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void idt_set_descriptor(uint8_t vector, void* isr, uint8_t flags) {
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void idt_set_descriptor(uint8_t vector, void* isr, uint8_t flags)
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{
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idt_entry_t* descriptor = &idt[vector];
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descriptor->isr_low = (uint32_t)isr & 0xFFFF;
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