Imbus/xv6-riscv-kernel
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Space police

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This commit is contained in:
Austin Clements 2010-09-01 00:41:25 -04:00
parent 5efca9054f
commit b0751a3e9b
6 changed files with 45 additions and 45 deletions
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10
proc.c
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@ -116,9 +116,9 @@ userinit(void)
p = allocproc();
initproc = p;
if (!(p->pgdir = setupkvm()))
if(!(p->pgdir = setupkvm()))
panic("userinit: out of memory?");
if (!allocuvm(p->pgdir, 0x0, (int)_binary_initcode_size))
if(!allocuvm(p->pgdir, 0x0, (int)_binary_initcode_size))
panic("userinit: out of memory?");
inituvm(p->pgdir, 0x0, _binary_initcode_start,
(int)_binary_initcode_size);
@ -144,10 +144,10 @@ int
growproc(int n)
{
if(n > 0){
if (!allocuvm(proc->pgdir, (char *)proc->sz, n))
if(!allocuvm(proc->pgdir, (char *)proc->sz, n))
return -1;
} else if(n < 0){
if (!deallocuvm(proc->pgdir, (char *)(proc->sz + n), 0 - n))
if(!deallocuvm(proc->pgdir, (char *)(proc->sz + n), 0 - n))
return -1;
}
proc->sz += n;
@ -169,7 +169,7 @@ fork(void)
return -1;
// Copy process state from p.
if (!(np->pgdir = copyuvm(proc->pgdir, proc->sz))) {
if(!(np->pgdir = copyuvm(proc->pgdir, proc->sz))){
kfree(np->kstack);
np->kstack = 0;
np->state = UNUSED;