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111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/**
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* arch.h
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* Заголовок для инициализации архитектурно-зависимых функций
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*
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* Данный заголовочный файл содержит определения которые используются для
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* инициализации архитектуры
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*
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*/
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#ifndef ARCH_H
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#define ARCH_H
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#include <lock.h>
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#include <stdint.h>
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#include <sys.h>
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#define STACK_SIZE 16 * 1024 // 16 килобайт на стек
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typedef struct task {
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uint64_t rax, rbx, rcx, rdx;
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uint64_t rsi, rdi, rsp, rbp;
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uint64_t cr3;
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uint64_t cpu_time;
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uint64_t cpu_time_expired;
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uint64_t id;
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char *id_str;
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void *stack;
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struct task *last;
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struct task *next;
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} __attribute__((packed)) task_t;
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struct frame {
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uint64_t rbp;
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uint64_t rbx;
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uint64_t r15;
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uint64_t r14;
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uint64_t r13;
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uint64_t r12;
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uint64_t r11;
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uint64_t r10;
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uint64_t r9;
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uint64_t r8;
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uint64_t rax;
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uint64_t rcx;
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uint64_t rdx;
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uint64_t rsi;
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uint64_t rdi;
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uint64_t int_number;
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uint64_t err;
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uint64_t rip;
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uint64_t cs;
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uint64_t rflags;
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uint64_t rsp;
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uint64_t ss;
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} __attribute__((packed));
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typedef void (*int_entry_t)(struct frame *state);
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extern lock_t task_lock;
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extern uint64_t task_f_init;
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extern task_t *current_task;
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void arch_init( );
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void task_init( );
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void task_after_init( );
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void task_switch( );
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uint64_t task_new_thread(void (*func)(void *), char *name);
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void task_del_current( );
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void task_del(uint64_t id);
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void cpu_init( );
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void pic_init( );
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void pit_init( );
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void idt_init( );
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void idt_set_int(uint8_t vector, int_entry_t handler);
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uint64_t arch_get_tick_b( );
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uint64_t arch_get_tick_l( );
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uint64_t arch_get_tick( );
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void com_write_byte(uint8_t byte);
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void com_write_bytes(char *c, uint64_t n);
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time_t rtc_get_time( );
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static inline void outb(uint16_t port, uint8_t val) {
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asm volatile("outb %0, %1" : : "a"(val), "Nd"(port));
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}
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static inline uint8_t inb(uint16_t port) {
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uint8_t ret;
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asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port));
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return ret;
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}
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static inline void outw(uint16_t port, uint16_t val) {
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asm volatile("outw %0, %1" : : "a"(val), "Nd"(port));
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}
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static inline uint16_t inw(uint16_t port) {
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uint16_t ret;
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asm volatile("inw %1, %0" : "=a"(ret) : "Nd"(port));
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return ret;
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}
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static inline void io_wait( ) {
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outb(0x80, 0);
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}
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#define GET_TICK_BIG arch_get_tick_b( )
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#define GET_TICK_lOW arch_get_tick_l( )
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#endif // arch.h
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