xv6-riscv-kernel/kernel/defs.h

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struct buf;
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struct context;
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struct file;
struct inode;
struct pipe;
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struct proc;
struct spinlock;
struct sleeplock;
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struct stat;
struct superblock;
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// bio.c
void binit(void);
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struct buf* bread(u32, u32);
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void brelse(struct buf*);
void bwrite(struct buf*);
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void bpin(struct buf*);
void bunpin(struct buf*);
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// console.c
void consoleinit(void);
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void consoleintr(int);
void consputc(int);
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// exec.c
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int exec(char*, char**);
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// file.c
struct file* filealloc(void);
void fileclose(struct file*);
struct file* filedup(struct file*);
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void fileinit(void);
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int fileread(struct file*, u64, int n);
int filestat(struct file*, u64 addr);
int filewrite(struct file*, u64, int n);
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// fs.c
void fsinit(int);
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int dirlink(struct inode*, char*, u32);
struct inode* dirlookup(struct inode*, char*, u32*);
struct inode* ialloc(u32, short);
struct inode* idup(struct inode*);
void iinit();
void ilock(struct inode*);
void iput(struct inode*);
void iunlock(struct inode*);
void iunlockput(struct inode*);
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void iupdate(struct inode*);
int namecmp(const char*, const char*);
struct inode* namei(char*);
struct inode* nameiparent(char*, char*);
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int readi(struct inode*, int, u64, u32, u32);
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void stati(struct inode*, struct stat*);
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int writei(struct inode*, int, u64, u32, u32);
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void itrunc(struct inode*);
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// ramdisk.c
void ramdiskinit(void);
void ramdiskintr(void);
void ramdiskrw(struct buf*);
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// kalloc.c
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void* kalloc(void);
void kfree(void *);
void kinit(void);
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// log.c
void initlog(int, struct superblock*);
void log_write(struct buf*);
void begin_op(void);
void end_op(void);
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// pipe.c
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int pipealloc(struct file**, struct file**);
void pipeclose(struct pipe*, int);
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int piperead(struct pipe*, u64, int);
int pipewrite(struct pipe*, u64, int);
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// printf.c
void printf(char*, ...);
void panic(char*) __attribute__((noreturn));
void printfinit(void);
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// proc.c
int cpuid(void);
void exit(int);
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int fork(void);
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int growproc(int);
void proc_mapstacks(pagetable_t);
pagetable_t proc_pagetable(struct proc *);
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void proc_freepagetable(pagetable_t, u64);
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int kill(int);
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int killed(struct proc*);
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void setkilled(struct proc*);
struct cpu* mycpu(void);
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struct cpu* getmycpu(void);
struct proc* myproc();
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void procinit(void);
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void scheduler(void) __attribute__((noreturn));
void sched(void);
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void sleep(void*, struct spinlock*);
void userinit(void);
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int wait(u64);
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void wakeup(void*);
void yield(void);
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int either_copyout(int user_dst, u64 dst, void *src, u64 len);
int either_copyin(void *dst, int user_src, u64 src, u64 len);
void procdump(void);
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// swtch.S
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void swtch(struct context*, struct context*);
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// spinlock.c
void acquire(struct spinlock*);
int holding(struct spinlock*);
void initlock(struct spinlock*, char*);
void release(struct spinlock*);
void push_off(void);
void pop_off(void);
// sleeplock.c
void acquiresleep(struct sleeplock*);
void releasesleep(struct sleeplock*);
int holdingsleep(struct sleeplock*);
void initsleeplock(struct sleeplock*, char*);
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// string.c
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int memcmp(const void*, const void*, u32);
void* memmove(void*, const void*, u32);
void* memset(void*, int, u32);
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char* safestrcpy(char*, const char*, int);
int strlen(const char*);
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int strncmp(const char*, const char*, u32);
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char* strncpy(char*, const char*, int);
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// syscall.c
void argint(int, int*);
int argstr(int, char*, int);
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void argaddr(int, u64 *);
int fetchstr(u64, char*, int);
int fetchaddr(u64, u64*);
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void syscall();
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// trap.c
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extern u32 ticks;
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void trapinit(void);
void trapinithart(void);
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extern struct spinlock tickslock;
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void usertrapret(void);
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// uart.c
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void uartinit(void);
void uartintr(void);
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void uartputc(int);
void uartputc_sync(int);
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int uartgetc(void);
// vm.c
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void kvminit(void);
void kvminithart(void);
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void kvmmap(pagetable_t, u64, u64, u64, int);
int mappages(pagetable_t, u64, u64, u64, int);
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pagetable_t uvmcreate(void);
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void uvmfirst(pagetable_t, u8 *, u32);
u64 uvmalloc(pagetable_t, u64, u64, int);
u64 uvmdealloc(pagetable_t, u64, u64);
int uvmcopy(pagetable_t, pagetable_t, u64);
void uvmfree(pagetable_t, u64);
void uvmunmap(pagetable_t, u64, u64, int);
void uvmclear(pagetable_t, u64);
pte_t * walk(pagetable_t, u64, int);
u64 walkaddr(pagetable_t, u64);
int copyout(pagetable_t, u64, char *, u64);
int copyin(pagetable_t, char *, u64, u64);
int copyinstr(pagetable_t, char *, u64, u64);
// plic.c
void plicinit(void);
void plicinithart(void);
int plic_claim(void);
void plic_complete(int);
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// virtio_disk.c
void virtio_disk_init(void);
void virtio_disk_rw(struct buf *, int);
void virtio_disk_intr(void);
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// number of elements in fixed-size array
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))