PA1

defs.h

@@ -0,0 +1,194 @@
+struct buf;
+struct context;
+struct file;
+struct inode;
+struct pipe;
+struct proc;
+struct rtcdate;
+struct spinlock;
+struct sleeplock;
+struct stat;
+struct superblock;
+
+// bio.c
+void            binit(void);
+struct buf*     bread(uint, uint);
+void            brelse(struct buf*);
+void            bwrite(struct buf*);
+
+// console.c
+void            consoleinit(void);
+void            cprintf(char*, ...);
+void            consoleintr(int(*)(void));
+void            panic(char*) __attribute__((noreturn));
+
+// exec.c
+int             exec(char*, char**);
+
+// file.c
+struct file*    filealloc(void);
+void            fileclose(struct file*);
+struct file*    filedup(struct file*);
+void            fileinit(void);
+int             fileread(struct file*, char*, int n);
+int             filestat(struct file*, struct stat*);
+int             filewrite(struct file*, char*, int n);
+
+// fs.c
+void            readsb(int dev, struct superblock *sb);
+int             dirlink(struct inode*, char*, uint);
+struct inode*   dirlookup(struct inode*, char*, uint*);
+struct inode*   ialloc(uint, short);
+struct inode*   idup(struct inode*);
+void            iinit(int dev);
+void            ilock(struct inode*);
+void            iput(struct inode*);
+void            iunlock(struct inode*);
+void            iunlockput(struct inode*);
+void            iupdate(struct inode*);
+int             namecmp(const char*, const char*);
+struct inode*   namei(char*);
+struct inode*   nameiparent(char*, char*);
+int             readi(struct inode*, char*, uint, uint);
+void            stati(struct inode*, struct stat*);
+int             writei(struct inode*, char*, uint, uint);
+
+// ide.c
+void            ideinit(void);
+void            ideintr(void);
+void            iderw(struct buf*);
+
+// ioapic.c
+void            ioapicenable(int irq, int cpu);
+extern uchar    ioapicid;
+void            ioapicinit(void);
+
+// kalloc.c
+char*           kalloc(void);
+void            kfree(char*);
+void            kinit1(void*, void*);
+void            kinit2(void*, void*);
+
+// kbd.c
+void            kbdintr(void);
+
+// lapic.c
+void            cmostime(struct rtcdate *r);
+int             lapicid(void);
+extern volatile uint*    lapic;
+void            lapiceoi(void);
+void            lapicinit(void);
+void            lapicstartap(uchar, uint);
+void            microdelay(int);
+
+// log.c
+void            initlog(int dev);
+void            log_write(struct buf*);
+void            begin_op();
+void            end_op();
+
+// mp.c
+extern int      ismp;
+void            mpinit(void);
+
+// picirq.c
+void            picenable(int);
+void            picinit(void);
+
+// pipe.c
+int             pipealloc(struct file**, struct file**);
+void            pipeclose(struct pipe*, int);
+int             piperead(struct pipe*, char*, int);
+int             pipewrite(struct pipe*, char*, int);
+
+//PAGEBREAK: 16
+// proc.c
+int             cpuid(void);
+void            exit(void);
+int             fork(void);
+int             growproc(int);
+int             kill(int);
+struct cpu*     mycpu(void);
+struct proc*    myproc();
+void            pinit(void);
+void            procdump(void);
+void            scheduler(void) __attribute__((noreturn));
+void            sched(void);
+void            setproc(struct proc*);
+void            sleep(void*, struct spinlock*);
+void            userinit(void);
+int             wait(void);
+void            wakeup(void*);
+void            yield(void);
+int             thread_create(void*(*)(void*), void*, void*);
+int             thread_join(int, void**);
+int             thread_exit(void*);
+int             gettid(void);
+
+// swtch.S
+void            swtch(struct context**, struct context*);
+
+// spinlock.c
+void            acquire(struct spinlock*);
+void            getcallerpcs(void*, uint*);
+int             holding(struct spinlock*);
+void            initlock(struct spinlock*, char*);
+void            release(struct spinlock*);
+void            pushcli(void);
+void            popcli(void);
+
+// sleeplock.c
+void            acquiresleep(struct sleeplock*);
+void            releasesleep(struct sleeplock*);
+int             holdingsleep(struct sleeplock*);
+void            initsleeplock(struct sleeplock*, char*);
+
+// string.c
+int             memcmp(const void*, const void*, uint);
+void*           memmove(void*, const void*, uint);
+void*           memset(void*, int, uint);
+char*           safestrcpy(char*, const char*, int);
+int             strlen(const char*);
+int             strncmp(const char*, const char*, uint);
+char*           strncpy(char*, const char*, int);
+
+// syscall.c
+int             argint(int, int*);
+int             argptr(int, char**, int);
+int             argstr(int, char**);
+int             fetchint(uint, int*);
+int             fetchstr(uint, char**);
+void            syscall(void);
+
+// timer.c
+void            timerinit(void);
+
+// trap.c
+void            idtinit(void);
+extern uint     ticks;
+void            tvinit(void);
+extern struct spinlock tickslock;
+
+// uart.c
+void            uartinit(void);
+void            uartintr(void);
+void            uartputc(int);
+
+// vm.c
+void            seginit(void);
+void            kvmalloc(void);
+pde_t*          setupkvm(void);
+char*           uva2ka(pde_t*, char*);
+int             allocuvm(pde_t*, uint, uint);
+int             deallocuvm(pde_t*, uint, uint);
+void            freevm(pde_t*);
+void            inituvm(pde_t*, char*, uint);
+int             loaduvm(pde_t*, char*, struct inode*, uint, uint);
+pde_t*          copyuvm(pde_t*, uint);
+void            switchuvm(struct proc*);
+void            switchkvm(void);
+int             copyout(pde_t*, uint, void*, uint);
+void            clearpteu(pde_t *pgdir, char *uva);
+
+// number of elements in fixed-size array
+#define NELEM(x) (sizeof(x)/sizeof((x)[0]))