xv6-cs450/defs.h
kaashoek f70172129c run without lapic and ioapic, if they are not present
if no lapic available, use 8253pit for clock
now xv6 runs both on qemu (uniprocessor) and bochs (uniprocessor and MP)
2006-09-07 01:37:58 +00:00

142 lines
3.1 KiB
C

// kalloc.c
char* kalloc(int);
void kfree(char*, int);
void kinit(void);
// console.c
void console_init(void);
void cprintf(char*, ...);
void panic(char*);
void kbd_intr(void);
// proc.c
void pinit(void);
struct proc;
struct jmpbuf;
void setupsegs(struct proc*);
struct proc* copyproc(struct proc*);
struct spinlock;
uint growproc(int);
void sleep(void*, struct spinlock*);
void wakeup(void*);
void scheduler(void);
void proc_exit(void);
int proc_kill(int);
int proc_wait(void);
void yield(void);
// swtch.S
struct jmpbuf;
int setjmp(struct jmpbuf*);
void longjmp(struct jmpbuf*);
// trap.c
void tvinit(void);
void idtinit(void);
// string.c
void* memset(void*, int, uint);
int memcmp(const void*, const void*, uint);
void* memmove(void*, const void*, uint);
int strncmp(const char*, const char*, uint);
// syscall.c
void syscall(void);
int fetchint(struct proc*, uint, int*);
int fetchbyte(struct proc*, uint, char*);
int fetcharg(int, void*);
int checkstring(uint);
int putint(struct proc*, uint, int);
// picirq.c
extern ushort irq_mask_8259A;
void pic_init(void);
void irq_setmask_8259A(ushort);
// 8253pit.c
void pit8253_timerinit(void);
// mp.c
extern int ismp;
void mp_init(void);
void mp_startthem(void);
int mp_bcpu(void);
// lapic
extern uint *lapicaddr;
void lapic_init(int);
void lapic_startap(uchar, int);
void lapic_timerinit(void);
void lapic_timerintr(void);
void lapic_enableintr(void);
void lapic_disableintr(void);
void lapic_eoi(void);
int cpu(void);
// ioapic
extern uchar ioapic_id;
void ioapic_init(void);
void ioapic_enable(int irq, int cpu);
// spinlock.c
struct spinlock;
void initlock(struct spinlock*, char*);
void acquire(struct spinlock*);
void release(struct spinlock*);
int holding(struct spinlock*);
// main.c
void load_icode(struct proc*, uchar*, uint);
// pipe.c
struct pipe;
struct file;
int pipe_alloc(struct file**, struct file**);
void pipe_close(struct pipe*, int);
int pipe_write(struct pipe*, char*, int);
int pipe_read(struct pipe*, char*, int);
// file.c
struct stat;
void fileinit(void);
int fdalloc(void);
struct file* filealloc(void);
void fileclose(struct file*);
int fileread(struct file*, char*, int n);
int filewrite(struct file*, char*, int n);
int filestat(struct file*, struct stat*);
void fileincref(struct file*);
// ide.c
void ide_init(void);
void ide_intr(void);
void* ide_start_rw(int, uint, void*, uint, int);
int ide_finish(void*);
// bio.c
void binit(void);
struct buf;
struct buf* getblk(uint dev, uint sector);
struct buf* bread(uint, uint);
void bwrite(struct buf*, uint);
void brelse(struct buf*);
// fs.c
extern uint rootdev;
void iinit(void);
struct inode* iget(uint, uint);
void ilock(struct inode*);
void iunlock(struct inode*);
void itrunc(struct inode*);
void idecref(struct inode*);
void iincref(struct inode*);
void iput(struct inode*);
struct inode* namei(char*, int, uint*, char**, struct inode**);
void stati(struct inode*, struct stat*);
int readi(struct inode*, char*, uint, uint);
int writei(struct inode*, char*, uint, uint);
struct inode* mknod(char*, short, short, short);
struct inode* mknod1(struct inode*, char*, short, short, short);
int unlink(char*);
void iupdate(struct inode*);
int link(char*, char*);