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#include <apos/proc.h>
/* TODO: add error checking */
vm_t setup_call_stack(struct tcb *t, vm_t start, size_t bytes)
{
pm_t offset = 0;
size_t pages = __pages(bytes);
uint8_t flags = VM_V | VM_R | VM_W | VM_U;
for(size_t i = 0; i < pages; ++i)
{
offset = alloc_page(BASE_PAGE, offset);
map_vmem(t->b_r, offset, start + BASE_PAGE_SIZE * i, flags, BASE_PAGE);
}
return start;
}
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