if(elf.magic != ELF_MAGIC)
goto bad;
- if (!(pgdir = setupkvm()))
+ if(!(pgdir = setupkvm()))
goto bad;
// Load program into memory.
continue;
if(ph.memsz < ph.filesz)
goto bad;
- if (!allocuvm(pgdir, (char *)ph.va, ph.memsz))
+ if(!allocuvm(pgdir, (char *)ph.va, ph.memsz))
goto bad;
if(ph.va + ph.memsz > sz)
sz = ph.va + ph.memsz;
- if (!loaduvm(pgdir, (char *)ph.va, ip, ph.offset, ph.filesz))
+ if(!loaduvm(pgdir, (char *)ph.va, ip, ph.offset, ph.filesz))
goto bad;
}
iunlockput(ip);
// Allocate and initialize stack at sz
sz = PGROUNDUP(sz);
sz += PGSIZE; // leave an invalid page
- if (!allocuvm(pgdir, (char *)sz, PGSIZE))
+ if(!allocuvm(pgdir, (char *)sz, PGSIZE))
goto bad;
mem = uva2ka(pgdir, (char *)sz);
spoffset = sz;
return 0;
bad:
- if (pgdir) freevm(pgdir);
+ if(pgdir) freevm(pgdir);
iunlockput(ip);
return -1;
}
cprintf("pid %d %s: trap %d err %d on cpu %d "
"eip 0x%x addr 0x%x--kill proc\n",
proc->pid, proc->name, tf->trapno, tf->err, cpu->id, tf->eip,
- rcr2());
+ rcr2());
proc->killed = 1;
}
if (da != 0) {
pte_t *pgtab = (pte_t*) da;
for (j = 0; j < NPTENTRIES; j++) {
- if (pgtab[j] != 0) {
- uint pa = PTE_ADDR(pgtab[j]);
- uint va = PGADDR(i, j, 0);
- if (va < USERTOP) // user memory
+ if (pgtab[j] != 0) {
+ uint pa = PTE_ADDR(pgtab[j]);
+ uint va = PGADDR(i, j, 0);
+ if (va < USERTOP) // user memory
kfree((void *) pa);
- pgtab[j] = 0;
- }
+ pgtab[j] = 0;
+ }
}
kfree((void *) da);
pgdir[i] = 0;
for (i = 0; i < sz; i += PGSIZE) {
if (!(pte = walkpgdir(pgdir, (void *)(i+addr), 0)))
- panic("inituvm: pte should exist\n");
+ panic("inituvm: pte should exist\n");
off = (i+(uint)addr) % PGSIZE;
pa = PTE_ADDR(*pte);
if (sz - i < PGSIZE) n = sz - i;