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Remove some references to U area here while trying not to break

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anything.  Someone with ARM hardware could do a lot more to untangle
this code.

Reviewed by:	arch@
This commit is contained in:
David Schultz 2004-11-20 02:31:23 +00:00
parent 6484fde022
commit 837f4b104e
1 changed files with 3 additions and 4 deletions
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7
sys/arm/arm/vm_machdep.c
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@ -145,8 +145,7 @@ cpu_fork(register struct thread *td1, register struct proc *p2,
struct trapframe *tf;
struct switchframe *sf;
struct mdproc *mdp2;
vm_offset_t uarea = td2->td_kstack + td2->td_kstack_pages * PAGE_SIZE
- USPACE;
vm_offset_t uarea = td2->td_kstack + td2->td_kstack_pages * PAGE_SIZE;
pcb1 = td1->td_pcb;
pcb2 = (struct pcb *)(td2->td_kstack + td2->td_kstack_pages * PAGE_SIZE) - 1;
@ -305,7 +304,7 @@ cpu_set_upcall(struct thread *td, struct thread *td0)
tf->tf_r0 = 0;
td->td_pcb->un_32.pcb32_sp = (u_int)sf;
td->td_pcb->un_32.pcb32_und_sp = td->td_kstack + td->td_kstack_pages
* PAGE_SIZE - USPACE + USPACE_UNDEF_STACK_TOP;
* PAGE_SIZE + USPACE_UNDEF_STACK_TOP;
}
/*
@ -336,7 +335,7 @@ cpu_thread_setup(struct thread *td)
td->td_pcb = (struct pcb *)(td->td_kstack + td->td_kstack_pages *
PAGE_SIZE) - 1;
td->td_frame = (struct trapframe *)
((u_int)td->td_kstack + td->td_kstack_pages * PAGE_SIZE - USPACE +
((u_int)td->td_kstack + td->td_kstack_pages * PAGE_SIZE +
USPACE_SVC_STACK_TOP - sizeof(struct pcb)) - 1;
#ifdef __XSCALE__
pmap_use_minicache(td->td_kstack, td->td_kstack_pages * PAGE_SIZE);