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author | Mole Shang <[email protected]> | 2024-01-18 17:35:27 +0800 |
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committer | Mole Shang <[email protected]> | 2024-02-05 18:10:56 +0800 |
commit | 283d5ab4c964ab525e45fcade06d6fd7e977c43e (patch) | |
tree | bc44a1e2c447fb965cf5d5c2cfdcfa71658dbbbf /kernel/defs.h | |
parent | 0d6a64fa06ce6aae729fa05a539eadd88fa59007 (diff) | |
download | xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.tar.gz xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.tar.bz2 xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.zip |
lab syscall: finish
Conflicts:
kernel/syscall.c
kernel/syscall.h
user/user.h
user/usys.pl
Diffstat (limited to 'kernel/defs.h')
-rw-r--r-- | kernel/defs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/defs.h b/kernel/defs.h index a3c962b..c8eeef3 100644 --- a/kernel/defs.h +++ b/kernel/defs.h @@ -8,6 +8,7 @@ struct spinlock; struct sleeplock; struct stat; struct superblock; +struct sysinfo; // bio.c void binit(void); @@ -63,6 +64,7 @@ void ramdiskrw(struct buf*); void* kalloc(void); void kfree(void *); void kinit(void); +int get_freemem(void); // log.c void initlog(int, struct superblock*); @@ -106,6 +108,7 @@ void yield(void); int either_copyout(int user_dst, uint64 dst, void *src, uint64 len); int either_copyin(void *dst, int user_src, uint64 src, uint64 len); void procdump(void); +int get_nproc(void); // swtch.S void swtch(struct context*, struct context*); @@ -141,6 +144,9 @@ int fetchstr(uint64, char*, int); int fetchaddr(uint64, uint64*); void syscall(); +// sysinfo.c +int sys_info(uint64); + // trap.c extern uint ticks; void trapinit(void); |