8da028f518
So yeah, now keep trace of those physical pages on kernel heap, Windows does that, linux does that, I have to do that since there are more attributes(paged/non-paged) that the kernel requires. Hmm finished PMM alpha and redefined all those PMM/VMM interfaces. The code is still broken right now.
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
#ifndef _HAL_ARCH_H_
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#define _HAL_ARCH_H_
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#include "g_abi.h"
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typedef struct
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{
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uint16_t limit;
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uint64_t base;
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} __attribute__ ((packed)) hal_gdt_ptr_t;
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typedef struct
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{
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uint16_t limit;
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uint64_t base;
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} __attribute__ ((packed)) 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 uint64_t KAPI hal_interlocked_compare_exchange(uint64_t *dst, uint64_t val, uint64_t compare);
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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 int8_t KAPI hal_read_port_8(uint16_t port);
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extern int16_t KAPI hal_read_port_16(uint16_t port);
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extern int32_t KAPI hal_read_port_32(uint16_t port);
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extern void KAPI hal_write_port_8(uint16_t port, uint8_t data);
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extern void KAPI hal_write_port_16(uint16_t port, uint16_t data);
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extern void KAPI hal_write_port_32(uint16_t port, uint32_t data);
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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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extern void KAPI hal_flush_idt(hal_idt_ptr_t *idt_ptr);
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extern void KAPI hal_read_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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extern void KAPI hal_write_cr8(uint64_t pri);
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extern uint64_t KAPI hal_read_cr8();
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#endif |