Imbus/xv6-riscv-kernel
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Don't map IO space in the user part of the address space

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Passes all tests now (but need to update usertests to allow for more than 640k)
This commit is contained in:
Frans Kaashoek 2011-07-31 21:27:02 -04:00
parent 9aa0337dc1
commit 547c28fc1e
2 changed files with 11 additions and 10 deletions
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3
kalloc.c
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@ -56,7 +56,7 @@ kfree(char *v)
{
struct run *r;
if((uint)v % PGSIZE || v < end || v2p(v) >= PHYSTOP)
if((uint)v % PGSIZE || v < end || v2p(v) >= PHYSTOP)
panic("kfree");
// Fill with junk to catch dangling refs.
@ -82,7 +82,6 @@ kalloc(void)
if(r)
kmem.freelist = r->next;
release(&kmem.lock);
cprintf("kalloc: 0x%x\n", r);
return (char*)r;
}