1 #ifndef UTIL_H
2 #define UTIL_H
3
4 #include <acpi2_0.h>
5
6 void outb(uint16_t addr, uint8_t val);
7 void outw(uint16_t addr, uint16_t val);
8 void outl(uint16_t addr, uint32_t val);
9 uint8_t inb(uint16_t addr);
10 uint16_t inw(uint16_t addr);
11 uint32_t inl(uint16_t addr);
12 void mssleep(uint32_t time);
13
14 char *itoa(char *a, unsigned int i);
15 int strcmp(const char *cs, const char *ct);
16 int strncmp(const char *s1, const char *s2, uint32_t n);
17 void *memcpy(void *dest, const void *src, unsigned n);
18 void *memmove(void *dest, const void *src, unsigned n);
19 char *strcpy(char *dest, const char *src);
20 char *strncpy(char *dest, const char *src, unsigned n);
21 unsigned strlen(const char *s);
22 void * memset(void *s, int c, unsigned n);
23 int memcmp(const void *s1, const void *s2, unsigned n);
24 void cpuid(uint32_t idx, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
25 void byte_to_hex(char *digits, uint8_t byte);
26 void uuid_to_string(char *dest, uint8_t *uuid);
27 int printf(const char *fmt, ...);
28
mmio_readb(uint8_t * addr)29 static inline uint8_t mmio_readb(uint8_t *addr)
30 {
31 return *(volatile uint8_t *)addr;
32 }
33
mmio_readw(uint16_t * addr)34 static inline uint16_t mmio_readw(uint16_t *addr)
35 {
36 return *(volatile uint16_t *)addr;
37 }
38
mmio_readl(uint32_t * addr)39 static inline uint32_t mmio_readl(uint32_t *addr)
40 {
41 return *(volatile uint32_t *)addr;
42 }
43
44 struct acpi_20_rsdp *find_rsdp(void);
45
46 #endif
47