Imbus/xv6-riscv-kernel
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Initial version of single-cpu xv6 with page tables

Browse source
This commit is contained in:
Frans Kaashoek 2010-07-02 14:51:53 -04:00
parent b7a517f227
commit 40889627ba
22 changed files with 307 additions and 152 deletions
Download patch file Download diff file Expand all files Collapse all files

5
sysfile.c
View file

@ -264,7 +264,6 @@ sys_open(void)
if(argstr(0, &path) < 0 || argint(1, &omode) < 0)
return -1;
if(omode & O_CREATE){
if((ip = create(path, T_FILE, 0, 0)) == 0)
return -1;
@ -291,7 +290,6 @@ sys_open(void)
f->off = 0;
f->readable = !(omode & O_WRONLY);
f->writable = (omode & O_WRONLY) || (omode & O_RDWR);
return fd;
}
@ -350,8 +348,9 @@ sys_exec(void)
int i;
uint uargv, uarg;
if(argstr(0, &path) < 0 || argint(1, (int*)&uargv) < 0)
if(argstr(0, &path) < 0 || argint(1, (int*)&uargv) < 0) {
return -1;
}
memset(argv, 0, sizeof(argv));
for(i=0;; i++){
if(i >= NELEM(argv))