53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
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#ifndef _HAL_ARCH_H_
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#define _HAL_ARCH_H_
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#include "k_def.h"
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typedef struct __attribute__ ((packed))
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{
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uint16_t limit;
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uint64_t base;
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} hal_gdt_ptr_t;
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typedef struct __attribute__ ((packed))
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{
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uint16_t limit;
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uint64_t base;
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} hal_idt_ptr_t;
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extern uint64_t KAPI hal_interlocked_exchange(uint64_t *dst, uint64_t val);
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extern void KAPI hal_cpuid(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
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#define MSR_IA32_APIC_BASE 0x1B
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extern void KAPI hal_read_msr(uint32_t *ecx, uint32_t *edx, uint32_t *eax);
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extern void KAPI hal_write_msr(uint32_t *ecx, uint32_t *edx, uint32_t *eax);
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extern void KAPI hal_enable_interrupt();
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extern void KAPI hal_disable_interrupt();
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extern void KAPI hal_halt_cpu();
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extern void KAPI hal_write_port(uint64_t port, int64_t data);
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extern int64_t KAPI hal_read_port(uint64_t port);
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extern void KAPI hal_write_mem_32(void* target, uint32_t data);
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extern void KAPI hal_write_mem_64(void* target, uint64_t data);
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extern void KAPI hal_flush_gdt(hal_gdt_ptr_t *gdt_ptr, uint64_t code_slct, uint64_t data_slct);
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extern void KAPI hal_flush_tlb();
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#define hal_trigger_interrupt(x) __asm__ __volatile__ ("int "#x);
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extern void KAPI hal_flush_idt(hal_idt_ptr_t *idt_ptr);
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extern void KAPI hal_write_cr3(uint64_t base);
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extern uint64_t KAPI hal_read_cr3();
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#endif
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