Imbus/xv6-riscv-kernel
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PDF at http://am.lcs.mit.edu/~rsc/xv6.pdf

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Various changes made while offline.

 + bwrite sector argument is redundant; use b->sector.
 + reformatting of files for nicer PDF page breaks
 + distinguish between locked, unlocked inodes in type signatures
 + change FD_FILE to FD_INODE
 + move userinit (nee proc0init) to proc.c
 + move ROOTDEV to param.h
 + always parenthesize sizeof argument
This commit is contained in:
rsc 2007-08-22 06:01:32 +00:00
parent 3dcf889c1b
commit eaea18cb9c
25 changed files with 637 additions and 669 deletions
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28
defs.h
View file

@ -24,6 +24,7 @@ int proc_kill(int);
int proc_wait(void);
void yield(void);
void procdump(void);
void userinit(void);
// setjmp.S
struct jmpbuf;
@ -117,30 +118,31 @@ void ide_rw(int, uint, void*, uint, int);
void binit(void);
struct buf;
struct buf* bread(uint, uint);
void bwrite(struct buf*, uint);
void bwrite(struct buf*);
void brelse(struct buf*);
// fs.c
struct inode;
struct uinode;
void iinit(void);
void ilock(struct inode*);
void iunlock(struct inode*);
void idecref(struct inode*);
struct inode* iincref(struct inode*);
void iput(struct inode*);
struct inode* namei(char*);
struct inode* ilock(struct uinode*);
struct uinode* iunlock(struct inode*);
void iput(struct uinode*);
struct uinode* idup(struct uinode*);
struct uinode* namei(char*);
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);
int unlink(char*);
int link(char*, char*);
struct inode* igetroot(void);
int mkdir(char *path);
struct inode* create(char *path);
int dirlink(struct inode *dp, char *name, uint ino);
struct uinode* dirlookup(struct inode *dp, char *name, uint *poff);
void iupdate(struct inode *ip);
int namecmp(const char *s, const char *t);
struct uinode* ialloc(uint, short);
struct uinode* nameiparent(char *path, char *name);
// exec.c
int exec(char*, char**);
// number of elements in fixed-size array
#define NELEM(x) (sizeof(x)/sizeof((x)[0]))