Imbus/xv6-riscv-kernel
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cleaner swtch.S

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This commit is contained in:
kolya 2008-10-15 05:14:10 +00:00
parent 228e500a0c
commit c100d9ee2d
4 changed files with 31 additions and 41 deletions
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8
proc.c
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@ -137,9 +137,9 @@ copyproc(struct proc *p)
}
// Set up new context to start executing at forkret (see below).
memset(&np->context, 0, sizeof(np->context));
np->context.eip = (uint)forkret;
np->context.esp = (uint)np->tf;
np->context = (struct context *)np->tf - 1;
memset(np->context, 0, sizeof(*np->context));
np->context->eip = (uint)forkret;
// Clear %eax so that fork system call returns 0 in child.
np->tf->eax = 0;
@ -477,7 +477,7 @@ procdump(void)
state = "???";
cprintf("%d %s %s", p->pid, state, p->name);
if(p->state == SLEEPING){
getcallerpcs((uint*)p->context.ebp+2, pc);
getcallerpcs((uint*)p->context->ebp+2, pc);
for(j=0; j<10 && pc[j] != 0; j++)
cprintf(" %p", pc[j]);
}