Benji Dial
e8c6577617
big kernel additions: paging, elf loading, separate kernel and user page allocation it now properly loads and runs sd0:bin/init.elf still need to determine which disk was booted from, and start the init on that disk
54 lines
No EOL
1.2 KiB
C
54 lines
No EOL
1.2 KiB
C
#ifndef UTIL_H
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#define UTIL_H
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#include <stdint.h>
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#include "drive.h"
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static inline void outb(uint16_t port, uint8_t value) {
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asm (
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"outb %0, %1"
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: : "a"(value), "Nd"(port));
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}
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static inline uint8_t inb(uint16_t port) {
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volatile uint8_t value;
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asm (
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"inb %1, %0"
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: "=a"(value) : "Nd"(port));
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return value;
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}
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static inline void outw(uint16_t port, uint16_t value) {
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asm (
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"outw %0, %1"
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: : "a"(value), "Nd"(port));
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}
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static inline uint16_t inw(uint16_t port) {
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volatile uint16_t value;
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asm (
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"inw %1, %0"
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: "=a"(value) : "Nd"(port));
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return value;
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}
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static inline void outd(uint16_t port, uint32_t value) {
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asm (
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"outl %0, %1"
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: : "a"(value), "Nd"(port));
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}
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static inline uint32_t ind(uint16_t port) {
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volatile uint32_t value;
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asm (
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"inl %1, %0"
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: "=a"(value) : "Nd"(port));
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return value;
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}
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void memcpy(void *to, const void *from, uint32_t n);
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void fmcpy(void *to, const struct drive *d, file_id_t f, uint32_t from, uint32_t n);
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void u32_dec(uint32_t n, char *b);
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void u16_dec(uint16_t n, char *b);
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void u8_dec(uint8_t n, char *b);
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void u32_hex(uint32_t n, char *b);
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void u16_hex(uint16_t n, char *b);
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void u8_hex(uint8_t n, char *b);
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#endif |