78 lines
1.2 KiB
C
78 lines
1.2 KiB
C
#define MAX(x, y) ((x)>(y)?(x):(y))
|
|
#define MIN(x, y) ((x)<(y)?(x):(y))
|
|
|
|
// console.c
|
|
void cominit(ConDev *d);
|
|
void pcinit(ConDev *d);
|
|
int pcprobe(ConDev *d);
|
|
int pcgetc(int dev);
|
|
void pcputc(int dev, int c);
|
|
int comprobe(ConDev *d);
|
|
int comgetc(int dev);
|
|
void computc(int dev, int c);
|
|
|
|
// fmt.c
|
|
int fmtinstall(int c, Op (*f)(Op));
|
|
char *doprint(char *p, char *ep, char *fmt, va_list ap);
|
|
int strlen(char *s);
|
|
|
|
// print.c
|
|
void putchar(int c);
|
|
void putstr(char *s, int l);
|
|
int getchar(void);
|
|
int print(char *fmt, ...);
|
|
int snprint(char *buf, int len, char *fmt, ...);
|
|
|
|
// a20.c
|
|
void a20up(void);
|
|
|
|
// mem.c
|
|
void memprobe(void);
|
|
|
|
// cpu.c
|
|
void cpuidprobe(void);
|
|
|
|
// time.c
|
|
long getsecs(void);
|
|
|
|
// alloc.c
|
|
void *alloc(uint);
|
|
void free(void*);
|
|
|
|
// util
|
|
void* memset(void *dst, int v, int l);
|
|
|
|
static __inline int
|
|
major(int x)
|
|
{
|
|
return (x >> 8) & 0xff;
|
|
}
|
|
|
|
static __inline int
|
|
minor(int x)
|
|
{
|
|
return (x & 0xff) | ((x & 0xffff0000) >> 8);
|
|
}
|
|
|
|
static __inline int
|
|
makedev(int x, int y)
|
|
{
|
|
return (((x & 0xff) << 8) |
|
|
(y & 0xff) |
|
|
((y & 0xffff00)<<8));
|
|
}
|
|
|
|
static __inline void
|
|
outb(int port, u8 data)
|
|
{
|
|
__asm volatile("outb %0,%w1" : : "a" (data), "d" (port));
|
|
}
|
|
|
|
static __inline u8
|
|
inb(int port)
|
|
{
|
|
u8 data;
|
|
|
|
__asm volatile("inb %w1,%0" : "=a" (data) : "d" (port));
|
|
return data;
|
|
} |