f70172129c
if no lapic available, use 8253pit for clock now xv6 runs both on qemu (uniprocessor) and bochs (uniprocessor and MP)
143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
// kalloc.c
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char* kalloc(int);
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void kfree(char*, int);
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void kinit(void);
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// console.c
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void console_init(void);
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void cprintf(char*, ...);
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void panic(char*);
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void kbd_intr(void);
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// proc.c
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void pinit(void);
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struct proc;
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struct jmpbuf;
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void setupsegs(struct proc*);
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struct proc* copyproc(struct proc*);
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struct spinlock;
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uint growproc(int);
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void sleep(void*, struct spinlock*);
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void wakeup(void*);
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void scheduler(void);
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void proc_exit(void);
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int proc_kill(int);
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int proc_wait(void);
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void yield(void);
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// swtch.S
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struct jmpbuf;
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int setjmp(struct jmpbuf*);
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void longjmp(struct jmpbuf*);
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// trap.c
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void tvinit(void);
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void idtinit(void);
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// string.c
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void* memset(void*, int, uint);
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int memcmp(const void*, const void*, uint);
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void* memmove(void*, const void*, uint);
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int strncmp(const char*, const char*, uint);
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// syscall.c
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void syscall(void);
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int fetchint(struct proc*, uint, int*);
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int fetchbyte(struct proc*, uint, char*);
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int fetcharg(int, void*);
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int checkstring(uint);
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int putint(struct proc*, uint, int);
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// picirq.c
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extern ushort irq_mask_8259A;
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void pic_init(void);
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void irq_setmask_8259A(ushort);
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// 8253pit.c
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void pit8253_timerinit(void);
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// mp.c
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extern int ismp;
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void mp_init(void);
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void mp_startthem(void);
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int mp_bcpu(void);
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// lapic
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extern uint *lapicaddr;
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void lapic_init(int);
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void lapic_startap(uchar, int);
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void lapic_timerinit(void);
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void lapic_timerintr(void);
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void lapic_enableintr(void);
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void lapic_disableintr(void);
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void lapic_eoi(void);
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int cpu(void);
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// ioapic
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extern uchar ioapic_id;
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void ioapic_init(void);
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void ioapic_enable(int irq, int cpu);
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// spinlock.c
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struct spinlock;
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void initlock(struct spinlock*, char*);
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void acquire(struct spinlock*);
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void release(struct spinlock*);
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int holding(struct spinlock*);
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// main.c
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void load_icode(struct proc*, uchar*, uint);
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// pipe.c
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struct pipe;
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struct file;
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int pipe_alloc(struct file**, struct file**);
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void pipe_close(struct pipe*, int);
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int pipe_write(struct pipe*, char*, int);
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int pipe_read(struct pipe*, char*, int);
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// file.c
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struct stat;
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void fileinit(void);
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int fdalloc(void);
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struct file* filealloc(void);
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void fileclose(struct file*);
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int fileread(struct file*, char*, int n);
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int filewrite(struct file*, char*, int n);
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int filestat(struct file*, struct stat*);
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void fileincref(struct file*);
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// ide.c
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void ide_init(void);
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void ide_intr(void);
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void* ide_start_rw(int, uint, void*, uint, int);
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int ide_finish(void*);
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// bio.c
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void binit(void);
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struct buf;
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struct buf* getblk(uint dev, uint sector);
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struct buf* bread(uint, uint);
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void bwrite(struct buf*, uint);
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void brelse(struct buf*);
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// fs.c
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extern uint rootdev;
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void iinit(void);
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struct inode* iget(uint, uint);
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void ilock(struct inode*);
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void iunlock(struct inode*);
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void itrunc(struct inode*);
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void idecref(struct inode*);
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void iincref(struct inode*);
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void iput(struct inode*);
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struct inode* namei(char*, int, uint*, char**, struct inode**);
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void stati(struct inode*, struct stat*);
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int readi(struct inode*, char*, uint, uint);
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int writei(struct inode*, char*, uint, uint);
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struct inode* mknod(char*, short, short, short);
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struct inode* mknod1(struct inode*, char*, short, short, short);
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int unlink(char*);
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void iupdate(struct inode*);
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int link(char*, char*);
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